{"id":4924,"date":"2026-06-18T10:18:04","date_gmt":"2026-06-18T10:18:04","guid":{"rendered":"https:\/\/productionscrews.com\/wood-tapping-screws\/"},"modified":"2026-06-18T10:18:14","modified_gmt":"2026-06-18T10:18:14","slug":"wood-tapping-screws","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/wood-tapping-screws\/","title":{"rendered":"\u1ed0c v\u00edt khoan g\u1ed7: C\u00e1c lo\u1ea1i, k\u00edch th\u01b0\u1edbc & h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn (2026)"},"content":{"rendered":"

\u1ed0c v\u00edt t\u1ef1 khoan g\u1ed7 l\u00e0 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 ren c\u1eaft tr\u1ef1c ti\u1ebfp v\u00e0o g\u1ed7 ho\u1eb7c v\u1eadt li\u1ec7u composite m\u00e0 kh\u00f4ng c\u1ea7n l\u1ed7 \u0111\u00e3 khoan s\u1eb5n.<\/strong><\/p>\n

B\u1ea1n \u0111ang gi\u1eefa ch\u1eebng m\u1ed9t d\u1ef1 \u00e1n, m\u1ed9t mi\u1ebfng s\u1ed3i trong k\u1eb9p, v\u00e0 b\u1ea1n v\u1edbi tay l\u1ea5y m\u1ed9t chi\u1ebfc v\u00edt. Trong ng\u0103n k\u00e9o c\u00f3 ba t\u00fai: m\u1ed9t ghi \u201c\u1ed1c v\u00edt g\u1ed7,\u201d m\u1ed9t ghi \u201ct\u1ef1 khoan,\u201d v\u00e0 m\u1ed9t l\u00e0 h\u1ed9p ch\u1ee9a c\u00e1c lo\u1ea1i ph\u1ee5 ki\u1ec7n h\u1ed7n h\u1ee3p. Lo\u1ea1i n\u00e0o s\u1ebd kh\u00f4ng l\u00e0m n\u1ee9t v\u00e2n g\u1ed7, tr\u01b0\u1ee3t khi v\u1eb7n ho\u1eb7c l\u1ecfng ra sau s\u00e1u th\u00e1ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng? H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m m\u1ecdi lo\u1ea1i \u1ed1c v\u00edt t\u1ef1 khoan g\u1ed7, \u00fd ngh\u0129a th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c s\u1ed1 k\u00edch c\u1ee1, lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o ph\u00f9 h\u1ee3p s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi, v\u00e0 k\u1ef9 thu\u1eadt gi\u00fap ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i l\u1eafp \u0111\u1eb7t ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

\"V\u00edt<\/p>\n

\u1ed0c v\u00edt t\u1ef1 khoan g\u1ed7 l\u00e0 g\u00ec?<\/h2>\n

\u1ed0c v\u00edt t\u1ef1 khoan g\u1ed7 l\u00e0 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o \u0111\u01b0\u1eddng ren c\u1ee7a ri\u00eang ch\u00fang khi ti\u1ebfn v\u00e0o g\u1ed7, v\u00e1n \u00e9p, MDF ho\u1eb7c v\u1eadt li\u1ec7u composite g\u1ed7. Ren xo\u1eafn c\u1ee7a v\u00edt \u0111\u1ea9y v\u00e0 n\u00e9n c\u00e1c s\u1ee3i g\u1ed7 thay v\u00ec c\u1eaft ra m\u1ed9t k\u00eanh \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh s\u1eb5n, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed1i n\u1ed1i th\u01b0\u1eddng m\u1ea1nh h\u01a1n so v\u1edbi d\u00f9ng v\u00edt m\u00e1y trong c\u00e1c l\u1ed7 \u0111\u00e3 khoan s\u1eb5n.<\/p>\n

T\u00ean g\u1ecdi xu\u1ea5t ph\u00e1t t\u1eeb kh\u00e1i ni\u1ec7m gia c\u00f4ng kim lo\u1ea1i \u201ctapping,\u201d \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c c\u1eaft ren v\u00e0o v\u1eadt li\u1ec7u. Khi \u00e1p d\u1ee5ng v\u00e0o g\u1ed7, nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 v\u1eabn gi\u1eef nguy\u00ean: v\u00edt l\u00e0 d\u1ee5ng c\u1ee5 t\u1ef1 t\u1ea1o ren. B\u1ea1n kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 c\u1eaft ren ri\u00eang bi\u1ec7t, v\u00e0 th\u01b0\u1eddng kh\u00f4ng c\u1ea7n l\u1ed7 khoan s\u01a1 b\u1ed9 trong c\u00e1c lo\u1ea1i g\u1ed7 m\u1ec1m (d\u00f9 m\u1ed9t l\u1ed7 khoan s\u01a1 b\u1ed9 lu\u00f4n gi\u00fap tr\u00e1nh n\u1ee9t trong g\u1ed7 c\u1ee9ng).<\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed1c v\u00edt t\u1ef1 khoan g\u1ed7<\/h3>\n

Khi \u1ed1c v\u00edt t\u1ef1 khoan g\u1ed7 ti\u1ebfn v\u00e0o v\u1eadt li\u1ec7u n\u1ec1n, \u0111\u1ea7u ren d\u1eabn \u0111\u1ea7u \u0111\u1ea9y c\u00e1c s\u1ee3i g\u1ed7 ra ngo\u00e0i v\u00e0 h\u01a1i h\u01b0\u1edbng xu\u1ed1ng d\u01b0\u1edbi. C\u00e1c ren ti\u1ebfp theo n\u00e9n c\u00e1c s\u1ee3i g\u1ed7 \u0111\u00f3 v\u00e0o c\u00e1c m\u1eb7t c\u1ee7a ren, x\u00e2y d\u1ef1ng li\u00ean k\u1ebft c\u01a1 h\u1ecdc gi\u1eef ch\u1eb7t m\u1ed1i n\u1ed1i. Theo s\u1ed5 tay G\u1ed7 c\u1ee7a C\u01a1 quan L\u00e2m nghi\u1ec7p Hoa K\u1ef3<\/a>, kh\u1ea3 n\u0103ng r\u00fat v\u00edt kh\u1ecfi g\u1ed7 c\u1ee7a \u1ed1c v\u00edt li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a lo\u00e0i g\u1ed7, ngh\u0129a l\u00e0 v\u00edt #10 trong g\u1ed7 c\u1ee9ng ch\u1eafc ch\u1eafn h\u01a1n nhi\u1ec1u so v\u1edbi c\u00f9ng lo\u1ea1i v\u00edt trong g\u1ed7 m\u1ec1m nh\u01b0 th\u00f4ng.<\/p>\n

K\u1ebft qu\u1ea3 l\u00e0: g\u1ed7 c\u1ee9ng h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi kh\u1ea3 n\u0103ng r\u00fat cao h\u01a1n, nh\u01b0ng c\u0169ng d\u1ec5 b\u1ecb n\u1ee9t h\u01a1n n\u1ebfu kh\u00f4ng c\u00f3 l\u1ed7 khoan s\u01a1 b\u1ed9. S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ea7u h\u1ebft c\u00e1c quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n.<\/p>\n

\u1ed0c v\u00edt t\u1ef1 khoan vs. \u1ed1c v\u00edt g\u1ed7 ti\u00eau chu\u1ea9n<\/h3>\n

M\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng d\u00f9ng \u201c\u1ed1c v\u00edt t\u1ef1 khoan g\u1ed7\u201d v\u00e0 \u201c\u1ed1c v\u00edt g\u1ed7\u201d thay th\u1ebf cho nhau, nh\u01b0ng ch\u00fang kh\u00f4ng ho\u00e0n to\u00e0n gi\u1ed1ng nhau.<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n\u1ed0c v\u00edt g\u1ed7 ti\u00eau chu\u1ea9n<\/th>\n\u1ed0c v\u00edt t\u1ef1 khoan g\u1ed7<\/th>\n<\/tr>\n<\/thead>\n
Ph\u1ee7 ren<\/td>\nM\u1ed9t ph\u1ea7n (th\u00e2n kh\u00f4ng c\u00f3 ren \u1edf ph\u1ea7n tr\u00ean)<\/td>\nTo\u00e0n b\u1ed9 ren ho\u1eb7c g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 d\u1ecdc theo th\u00e2n<\/td>\n<\/tr>\n
D\u1ea1ng ren<\/td>\nR\u1ec5 truy\u1ec1n th\u1ed1ng th\u00f4, tr\u00f2n<\/td>\nG\u00f3c m\u1eb7t c\u1ea1nh s\u1eafc n\u00e9t h\u01a1n, d\u1eef d\u1ed9i h\u01a1n<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng t\u1ef1 khoan<\/td>\nH\u1ea1n ch\u1ebf; c\u1ea7n l\u1ed7 khoan s\u01a1 b\u1ed9 trong g\u1ed7 c\u1ee9ng<\/td>\nThi\u1ebft k\u1ebf \u0111\u1ec3 g\u00f5 v\u00e0o l\u1ed7<\/td>\n<\/tr>\n
T\u1ed1t nh\u1ea5t cho<\/td>\nG\u1ed7 m\u1ec1m, li\u00ean k\u1ebft nh\u1eb9<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i g\u1ed7, composite, MDF<\/td>\n<\/tr>\n
L\u1ef1c m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1eb7n<\/td>\nTh\u1ea5p h\u01a1n<\/td>\nCao h\u01a1n (t\u0103ng \u0111\u1ed9 b\u00e1m c\u1ee7a ren)<\/td>\n<\/tr>\n
C\u00e1c lo\u1ea1i \u0111\u1ea7u ph\u1ed5 bi\u1ebfn<\/td>\nM\u1eb7t ph\u1eb3ng ch\u1ee5p \u0111\u1ea7u, oval<\/td>\nM\u1eb7t ph\u1eb3ng, ch\u1ee5p tr\u00f2n, h\u00ecnh chu\u00f4ng, \u0111\u1ec7m h\u00ecnh l\u1ee5c gi\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trong m\u00f4i tr\u01b0\u1eddng x\u00e2y d\u1ef1ng s\u00e0n ho\u1eb7c l\u1eafp r\u00e1p t\u1ee7, v\u00edt g\u1ed7 g\u00f5 l\u00e0 ti\u00eau chu\u1ea9n v\u00ec ch\u00fang gi\u1eef ch\u1eafc c\u1ea3 g\u1ed7 \u0111\u1eb7c v\u00e0 c\u00e1c t\u1ea5m ch\u1ebf t\u1ea1o m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc l\u1ed7 ch\u00ednh x\u00e1c.<\/p>\n

C\u00e1c lo\u1ea1i v\u00edt g\u00f5 g\u1ed7<\/h2>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00edt c\u1ed1 \u0111\u1ecbnh ph\u00e2n lo\u1ea1i v\u00edt g\u00f5 theo h\u00ecnh d\u1ea1ng ren, v\u00e0 c\u00e1c ch\u1eef c\u00e1i tr\u00ean bao b\u00ec (A, AB, B, v.v.) cho bi\u1ebft lo\u1ea1i b\u1ea1n \u0111ang nh\u1eadn. Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ec1u ph\u00f9 h\u1ee3p cho g\u1ed7.<\/p>\n

\"\u1ed1c<\/p>\n

Lo\u1ea1i A: ren th\u00f4, \u0111\u1ea7u gimlet<\/h3>\n

V\u00edt lo\u1ea1i A c\u00f3 b\u01b0\u1edbc ren th\u00f4 v\u00e0 \u0111\u1ea7u gimlet (nh\u1ecdn). \u00cdt ren h\u01a1n m\u1ed7i inch c\u00f3 ngh\u0129a l\u00e0 v\u1eb7n nhanh h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi g\u1ed7 m\u1ec1m v\u00e0 v\u1eadt li\u1ec7u m\u1ecfng h\u01a1n. \u0110\u00e2y l\u00e0 thi\u1ebft k\u1ebf v\u00edt g\u00f5 ban \u0111\u1ea7u, \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a t\u1eeb nhi\u1ec1u th\u1eadp k\u1ef7 tr\u01b0\u1edbc v\u00e0 v\u1eabn ph\u1ed5 bi\u1ebfn trong ng\u00e0nh m\u1ed9c chung.<\/p>\n

\u01afu \u0111i\u1ec3m: v\u00e1n s\u00e0n g\u1ed7 m\u1ec1m, khung g\u1ed7 th\u00f4ng, t\u1ea5m plywood m\u1ecfng. Nh\u01b0\u1ee3c \u0111i\u1ec3m: g\u1ed7 c\u1ee9ng d\u00e0y tr\u00ean 2.5cm v\u00e0 c\u00e1c t\u1ea5m composite c\u00f3 h\u00e0m l\u01b0\u1ee3ng nh\u1ef1a cao ch\u1ed1ng l\u1ea1i vi\u1ec7c t\u1ea1o ren.<\/p>\n

Lo\u1ea1i AB: b\u1eaft \u0111\u1ea7u tinh, ren s\u1eafc h\u01a1n<\/h3>\n

Lo\u1ea1i AB k\u1ebft h\u1ee3p \u0111\u1ea7u nh\u1ecdn c\u1ee7a v\u00edt lo\u1ea1i B v\u1edbi b\u01b0\u1edbc ren th\u00f4 c\u1ee7a lo\u1ea1i A. D\u1ec5 b\u1eaft \u0111\u1ea7u h\u01a1n (\u0111\u1ea7u nh\u1ecdn \u0111\u1ecbnh v\u1ecb nhanh v\u00e0 kh\u00f4ng b\u1ecb l\u1ec7ch) c\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 v\u1eb7n nhanh. V\u00edt g\u00f5 g\u1ed7 lo\u1ea1i AB \u0111\u00e3 ph\u1ea7n l\u1edbn thay th\u1ebf lo\u1ea1i A thu\u1ea7n t\u00fay trong c\u00e1c c\u1eeda h\u00e0ng v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, v\u00e0 ph\u00f9 h\u1ee3p cho h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c m\u1ed9c v\u00e0 x\u00e2y d\u1ef1ng (l\u1eafp r\u00e1p t\u1ee7, l\u00e0m \u0111\u1ed3 n\u1ed9i th\u1ea5t, trang tr\u00ed) l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh \u0111\u00fang.<\/p>\n

V\u00edt t\u1ef1 khoan (V\u00edt Tek)<\/h3>\n

V\u00edt t\u1ef1 khoan c\u00f3 \u0111\u1ea7u h\u00ecnh d\u1ea1ng nh\u01b0 m\u0169i khoan. Ch\u00fang ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c k\u1ebft n\u1ed1i kim lo\u1ea1i-kim lo\u1ea1i ho\u1eb7c g\u1ed7-kim lo\u1ea1i. Trong c\u00e1c \u1ee9ng d\u1ee5ng g\u1ed7-kim lo\u1ea1i, v\u00ed d\u1ee5 nh\u01b0 g\u1eafn m\u1ed9t d\u1ea7m g\u1ed7 v\u00e0o th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac th\u00e9p, v\u00edt t\u1ef1 khoan x\u1eed l\u00fd c\u1ea3 hai v\u1eadt li\u1ec7u trong m\u1ed9t l\u1ea7n v\u1eb7n. \u0110\u1ea7u m\u0169i khoan xuy\u00ean qua kim lo\u1ea1i tr\u01b0\u1edbc; ren sau \u0111\u00f3 b\u00e1m v\u00e0o c\u1ea3 kim lo\u1ea1i v\u00e0 g\u1ed7 \u0111\u1ee1.<\/p>\n

M\u1ed9t l\u01b0u \u00fd: v\u00edt t\u1ef1 khoan th\u1eadt s\u1ef1 ch\u1eadm h\u01a1n khi b\u1eaft \u0111\u1ea7u trong g\u1ed7 thu\u1ea7n t\u00fay so v\u1edbi lo\u1ea1i AB v\u00ec \u0111\u1ea7u m\u0169i khoan c\u1ea7n nhi\u1ec1u l\u1ef1c quay h\u01a1n tr\u01b0\u1edbc khi ren b\u00e1m ch\u1eb7t. Trong c\u00e1c \u1ee9ng d\u1ee5ng g\u1ed7-g\u1ed7 th\u1eb3ng, ch\u00fang kh\u00f4ng mang l\u1ea1i l\u1ee3i th\u1ebf n\u00e0o.<\/p>\n

Lo\u1ea1i 17: \u0111\u1ea7u m\u0169i khoan xo\u1eafn cho c\u00e1c t\u1ea5m ch\u1ebf t\u1ea1o<\/h3>\n

Lo\u1ea1i 17 v\u00edt c\u00f3 m\u1ed9t r\u00e3nh ki\u1ec3u \u1ed1c v\u00edt duy nh\u1ea5t \u0111\u01b0\u1ee3c gia c\u00f4ng v\u00e0o \u0111\u1ea7u. Khi v\u00edt \u0111i v\u00e0o v\u1eadt li\u1ec7u, r\u00e3nh gi\u00fap l\u00e0m s\u1ea1ch m\u1ea3nh v\u1ee5n v\u00e0 s\u1ee3i n\u00e9n kh\u1ecfi l\u1ed7. R\u1ee7i ro t\u00e1ch r\u1eddi gi\u1ea3m r\u00f5 r\u1ec7t, c\u00f9ng v\u1edbi m\u00f4-men xo\u1eafn khi xoay, ngay c\u1ea3 trong c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eb7c, g\u1ed7 c\u1ee9ng v\u00e0 LVL (v\u00e1n veneer gh\u00e9p). N\u1ebfu b\u1ea1n b\u1eaft v\u00edt v\u00e0o v\u00e1n \u00e9p s\u1ed3i 3\/4 inch ho\u1eb7c g\u1ed7 c\u00f4ng nghi\u1ec7p \u0111\u1eb7c m\u00e0 kh\u00f4ng c\u00f3 l\u1ed7 d\u1eabn, Lo\u1ea1i 17 l\u00e0 lo\u1ea1i kh\u00f4ng b\u1ecb bung m\u1eb7t sau.<\/p>\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i \u1ed1c v\u00edt<\/th>\nKi\u1ec3u \u0110\u1ea7u V\u00edt<\/th>\nPitch ren<\/th>\nCh\u1ea5t li\u1ec7u t\u1ed1t nh\u1ea5t<\/th>\nC\u1ea7n L\u1ed7 D\u1eabn?<\/th>\n<\/tr>\n<\/thead>\n
Lo\u1ea1i A<\/td>\nGimlet (nh\u1ecdn)<\/td>\nTh\u00f4<\/td>\nG\u1ed7 m\u1ec1m, t\u1ea5m m\u1ecfng<\/td>\nCh\u1ec9 g\u1ed7 c\u1ee9ng<\/td>\n<\/tr>\n
Lo\u1ea1i AB<\/td>\nNh\u1ecdn, b\u1eaft \u0111\u1ea7u m\u1ecbn<\/td>\nTh\u00f4<\/td>\nT\u1ea5t c\u1ea3 g\u1ed7, h\u1ee3p ch\u1ea5t<\/td>\nKhuy\u1ebfn ngh\u1ecb d\u00f9ng cho g\u1ed7 c\u1ee9ng<\/td>\n<\/tr>\n
T\u1ef1 khoan (Tek)<\/td>\n\u0110\u1ea7u m\u0169i khoan<\/td>\nTh\u00f4<\/td>\nG\u1ed7-kh\u1eedu kim lo\u1ea1i<\/td>\nKh\u00f4ng (t\u1ef1 khoan)<\/td>\n<\/tr>\n
Lo\u1ea1i 17<\/td>\nR\u00e3nh \u1ed1c v\u00edt<\/td>\nTh\u00f4<\/td>\nG\u1ed7 c\u1ee9ng \u0111\u1eb7c, LVL<\/td>\nNo<\/td>\n<\/tr>\n
Kim lo\u1ea1i t\u1ea5m (Lo\u1ea1i B)<\/td>\nC\u00f9n, h\u1eb9p<\/td>\nM\u1ecbn<\/td>\nCh\u1ec9 kim lo\u1ea1i<\/td>\nC\u00f3, th\u01b0\u1eddng xuy\u00ean<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ki\u1ec3u \u0111\u1ea7u v\u00e0 lo\u1ea1i drive<\/h2>\n

Ki\u1ec3u h\u00ecnh h\u1ecdc c\u1ee7a \u0111\u1ea7u v\u00edt ki\u1ec3m so\u00e1t c\u00e1ch v\u00edt ng\u1ed3i trong v\u1eadt li\u1ec7u v\u00e0 m\u1ee9c m\u00f4-men xo\u1eafn b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng tr\u01b0\u1edbc khi tr\u01b0\u1ee3t cam. Sai s\u00f3t trong ph\u1ea7n n\u00e0y s\u1ebd g\u00e2y ra b\u1ec1 m\u1eb7t b\u1ecb tr\u1ea7y x\u01b0\u1edbc v\u00e0 \u0111\u1ea7u v\u00edt b\u1ecb tr\u01b0\u1ee3t.<\/p>\n

H\u00ecnh d\u1ea1ng \u0111\u1ea7u v\u00edt: ph\u1eb3ng, ch\u1ea3o, h\u00ecnh chu\u00f4ng, l\u1ee5c gi\u00e1c<\/h3>\n

\u0110\u1ea7u ph\u1eb3ng (\u0111\u1ea7u m\u00e0i m\u00f2n) l\u00e0 ti\u00eau chu\u1ea9n cho gh\u00e9p n\u1ed1i g\u1ed7. G\u00f3c d\u01b0\u1edbi c\u1ee7a \u0111\u1ea7u h\u00ecnh n\u00f3n (th\u01b0\u1eddng l\u00e0 82 \u0111\u1ed9 \u1edf Vi\u1ec7t Nam, 90 \u0111\u1ed9 theo h\u1ec7 m\u00e9t) k\u00e9o \u0111\u1ea7u v\u00edt ph\u1eb3ng ho\u1eb7c th\u1ea5p h\u01a1n m\u1eb7t ph\u1eb3ng khi l\u1eafp \u0111\u1eb7t. H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i th\u1ea5t v\u00e0 l\u1eafp r\u00e1p t\u1ee7 s\u1eed d\u1ee5ng v\u00edt g\u1ed7 \u0111\u1ea7u ph\u1eb3ng v\u00ec l\u00fd do n\u00e0y: kh\u00f4ng c\u00f3 ph\u1ea7n n\u1ed5i, b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n s\u1ea1ch s\u1ebd.<\/p>\n

\u0110\u1ea7u h\u00ecnh chu\u00f4ng l\u00e0 h\u00ecnh d\u1ea1ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a v\u00edt \u0111inh s\u00e0n. Ph\u1ea7n d\u01b0\u1edbi cong c\u1ee7a \u0111\u1ea7u ph\u00e2n t\u00e1n l\u1ef1c k\u1eb9p tr\u00ean di\u1ec7n r\u1ed9ng h\u01a1n v\u00e0 kh\u00f4ng k\u00e9o qua l\u1edbp s\u00e0n m\u1ecfng m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd nh\u01b0 \u0111\u1ea7u ph\u1eb3ng. Trong thi c\u00f4ng khung nh\u00e0, v\u00edt c\u00f3 \u0111\u1ea7u h\u00ecnh chu\u00f4ng v\u00e0 ren th\u00f4 l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh g\u1ed7 v\u00e0o g\u1ed7 m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t.<\/p>\n

\u0110\u1ea7u ch\u1ea3o n\u1eb1m cao h\u01a1n b\u1ec1 m\u1eb7t v\u1edbi m\u1eb7t ti\u1ebfp x\u00fac ph\u1eb3ng. \u0110\u01b0\u1eddng k\u00ednh m\u1eb7t ti\u1ebfp x\u00fac l\u1edbn h\u01a1n ph\u00e2n ph\u1ed1i t\u1ea3i tr\u1ecdng t\u1ed1t h\u01a1n, th\u00edch h\u1ee3p khi c\u1ed1 \u0111\u1ecbnh m\u1ed9t thanh g\u1ed7 m\u1ecfng ho\u1eb7c gi\u00e1 \u0111\u1ee1 m\u00e0 \u0111\u1ea7u kh\u00f4ng th\u1ec3 k\u00e9o qua. V\u00edt g\u1ed7 \u0111\u1ea7u ch\u1ea3o th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong ph\u1ea7n c\u1ee9ng h\u1ed7 tr\u1ee3 k\u1ec7 v\u00e0 l\u1eafp r\u00e1p ph\u1ee5 ki\u1ec7n.<\/p>\n

\u0110\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 v\u00f2ng \u0111\u1ec7m k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ea7u h\u00ecnh l\u1ee5c gi\u00e1c v\u00e0 ph\u1ea7n \u0111\u1ebf v\u00f2ng \u0111\u1ec7m t\u00edch h\u1ee3p. B\u1ea1n c\u00f3 th\u1ec3 v\u1eb7n b\u1eb1ng m\u00e1y khoan t\u00e1c \u0111\u1ed9ng v\u1edbi m\u00f4-men xo\u1eafn t\u1ed1i \u0111a, \u0111\u00f3 l\u00e0 l\u00fd do n\u00f3 xu\u1ea5t hi\u1ec7n trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac ngo\u00e0i tr\u1eddi: d\u1ea7m s\u00e0n, ch\u00e2n c\u1ed9t, m\u00f3c treo x\u00e0 g\u1ed3. M\u1eb7t \u0111\u1ebf v\u00f2ng \u0111\u1ec7m ng\u0103n kh\u00f4ng cho v\u00edt b\u1ecb nh\u00fang s\u00e2u v\u00e0o b\u1ec1 m\u1eb7t g\u1ed7, gi\u1eef cho s\u1ee3i g\u1ed7 kh\u00f4ng b\u1ecb nghi\u1ec1n n\u00e1t nh\u01b0ng \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft n\u1ed5i c\u1ee7a v\u00edt.<\/p>\n

H\u1ec7 th\u1ed1ng drive: Phillips, Torx, vu\u00f4ng, l\u1ee5c gi\u00e1c<\/h3>\n

Khoang tr\u1ed1ng c\u1ee7a drive l\u00e0 n\u01a1i x\u1ea3y ra h\u1ecfng h\u00f3c nhi\u1ec1u nh\u1ea5t trong th\u1ef1c t\u1ebf. M\u1ed9t drive b\u1ecb tr\u01b0\u1ee3t \u1edf \u0111\u1ed9 s\u00e2u 75% ngh\u0129a l\u00e0 ph\u1ea3i khoan l\u1ea1i v\u00e0 b\u1eaft \u0111\u1ea7u l\u1ea1i.<\/p>\n

Phillips l\u00e0 lo\u1ea1i drive ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean v\u00edt g\u1ed7 b\u00e1n t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u01b0\u1ee3t ra khi m\u00f4-men xo\u1eafn cao, ban \u0111\u1ea7u l\u00e0 t\u00ednh n\u0103ng tr\u00ean d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p (ng\u0103n ng\u1eeba si\u1ebft qu\u00e1 ch\u1eb7t), nh\u01b0ng \u0111\u1ed1i v\u1edbi vi\u1ec7c d\u00f9ng tay \u0111\u1ec3 b\u1eaft v\u00edt th\u00ec \u0111\u00e2y l\u00e0 \u0111i\u1ec3m b\u1ea5t l\u1ee3i. N\u1ebfu b\u1ea1n \u0111ang v\u1eb7n h\u01a1n 20 v\u00edt b\u1eb1ng m\u00e1y khoan kh\u00f4ng d\u00e2y, Phillips cu\u1ed1i c\u00f9ng s\u1ebd l\u00e0m b\u1ea1n th\u1ea5t v\u1ecdng.<\/p>\n

Torx (drive h\u00ecnh sao) l\u00e0 l\u1ef1a ch\u1ecdn c\u1ee7a c\u00e1c chuy\u00ean gia. Khoang tr\u1ed1ng s\u00e1u \u0111i\u1ec3m truy\u1ec1n m\u00f4-men xo\u1eafn m\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y t\u1ed1c \u0111\u1ed9 driver cao h\u01a1n, v\u00e0 bit gi\u1eef trung t\u00e2m trong \u0111\u1ea7u khi b\u1eaft \u0111\u1ea7u. C\u00e1c th\u1ee3 l\u00e0m t\u1ee7 s\u1ea3n xu\u1ea5t \u0111\u00e3 chuy\u1ec3n sang d\u00f9ng Torx g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2010. Theo b\u1ea3ng ki\u1ec3m tra truy\u1ec1n m\u00f4-men xo\u1eafn c\u1ee7a Vi\u1ec7n \u1ed1c v\u00edt c\u00f4ng nghi\u1ec7p<\/a>, Torx \u0111\u1ea1t hi\u1ec7u qu\u1ea3 truy\u1ec1n m\u00f4-men xo\u1eafn cao nh\u1ea5t trong c\u00e1c h\u1ec7 th\u1ed1ng drive ph\u1ed5 bi\u1ebfn.<\/p>\n

Vu\u00f4ng (Robertson) ph\u1ed5 bi\u1ebfn \u1edf Canada v\u00e0 trong s\u1ed1 c\u00e1c th\u1ee3 m\u1ed9c th\u00edch d\u00f9ng bit t\u1ef1 c\u0103n ch\u1ec9nh. \u00cdt tr\u01b0\u1ee3t h\u01a1n Phillips, nh\u01b0ng nhi\u1ec1u h\u01a1n Torx m\u1ed9t ch\u00fat. N\u1ebfu b\u1ea1n \u0111\u00e3 quen d\u00f9ng bit Robertson cho c\u00e1c d\u1ef1 \u00e1n kh\u00e1c, v\u00edt g\u1ed7 drive vu\u00f4ng l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd.<\/p>\n

L\u1ee5c gi\u00e1c (Allen\/n\u1ed9i b\u1ed9) d\u00e0nh cho c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ea7n m\u00f4-men xo\u1eafn t\u1ed1i \u0111a: \u1ee9ng d\u1ee5ng ki\u1ec3u lag c\u1ea5u tr\u00fac n\u01a1i d\u00f9ng c\u1edd l\u00ea thay v\u00ec m\u00e1y khoan. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng v\u00edt g\u1ed7 ti\u00eau chu\u1ea9n, drive l\u1ee5c gi\u00e1c l\u00e0 qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft v\u00e0 kh\u00f3 \u0111\u1ec3 kho\u00e9t l\u1ed7 l\u1ed3i m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd.<\/p>\n

V\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7<\/h2>\n

Ch\u1ea5t li\u1ec7u c\u1ee7a v\u00edt quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u1ed1i n\u1ed1i c\u00f3 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c 2 n\u0103m hay 20 n\u0103m. Sai s\u00f3t trong ph\u1ea7n n\u00e0y \u1edf m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n s\u1ebd r\u1ea5t t\u1ed1n k\u00e9m.<\/p>\n

Th\u00e9p m\u1ea1 k\u1ebdm<\/h3>\n

L\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm l\u00e0 l\u1edbp ph\u1ee7 c\u01a1 b\u1ea3n cho v\u00edt g\u1ed7 n\u1ed9i th\u1ea5t. L\u1edbp k\u1ebdm b\u1ecb \u0103n m\u00f2n hy sinh tr\u01b0\u1edbc th\u00e9p n\u1ec1n. Trong m\u00f4i tr\u01b0\u1eddng n\u1ed9i th\u1ea5t kh\u00f4 r\u00e1o (n\u1ed9i th\u1ea5t, h\u1ed9p t\u1ee7, trang tr\u00ed n\u1ed9i th\u1ea5t), v\u00edt m\u1ea1 k\u1ebdm l\u00e0 \u0111\u1ee7 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n

Ch\u00fang kh\u00f4ng ph\u00f9 h\u1ee3p cho s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi, ti\u1ebfp x\u00fac v\u1edbi g\u1ed7 x\u1eed l\u00fd \u00e1p l\u1ef1c ACQ (\u0111\u1ed3ng ki\u1ec1m quaternary), ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n. ACQ \u0111\u00e3 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ti\u00eau chu\u1ea9n cho g\u1ed7 s\u00e0n t\u1eeb n\u0103m 2004 v\u00e0 n\u00f3 c\u00f3 t\u00ednh \u0103n m\u00f2n ho\u00e1 h\u1ecdc cao: s\u1ebd l\u00e0m \u0103n m\u00f2n l\u1edbp m\u1ea1 k\u1ebdm trong m\u1ed9t m\u00f9a, \u0111\u1ec3 l\u1ea1i v\u1ebft r\u1ec9 s\u00e9t tr\u00ean g\u1ed7 v\u00e0 l\u00e0m y\u1ebfu v\u00edt.<\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 (304 v\u00e0 316)<\/h3>\n

\u1ed0c v\u00edt th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ecbu l\u1ef1c g\u1ed7 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho ti\u1ebfp x\u00fac ngo\u00e0i tr\u1eddi, g\u1ed7 \u0111\u00e3 x\u1eed l\u00fd, m\u00f4i tr\u01b0\u1eddng h\u00e0ng h\u1ea3i v\u00e0 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o n\u01b0\u1edbc \u0111\u1ee9ng c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi m\u1ed1i n\u1ed1i. Th\u00e9p kh\u00f4ng g\u1ec9 304 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi d\u00e2n d\u1ee5ng (s\u00e0n, h\u00e0ng r\u00e0o, n\u1ed9i th\u1ea5t v\u01b0\u1eddn). Th\u00e9p kh\u00f4ng g\u1ec9 316 b\u1ed5 sung molybden v\u00e0o h\u1ee3p kim, gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n chloride t\u1ed1t h\u01a1n. \u0110\u00f3 l\u00e0 ti\u00eau chu\u1ea9n cho ph\u1ea7n c\u1ee9ng b\u1ebfn t\u00e0u v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh ven bi\u1ec3n.<\/p>\n

Chi ph\u00ed cao h\u01a1n so v\u1edbi m\u1ea1 k\u1ebdm: th\u01b0\u1eddng g\u1ea5p 3 \u0111\u1ebfn 5 l\u1ea7n cho lo\u1ea1i 304, g\u1ea5p 6 \u0111\u1ebfn 8 l\u1ea7n cho lo\u1ea1i 316. Trong th\u1ef1c t\u1ebf, kho\u1ea3n ch\u00eanh l\u1ec7ch n\u00e0y l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi chi ph\u00ed nh\u00e2n c\u00f4ng thay th\u1ebf c\u00e1c \u1ed1c v\u00edt b\u1ecb \u0103n m\u00f2n trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng l\u1ea1i s\u00e0n.<\/p>\n

G\u1ed1m v\u00e0 ph\u1ee7 polymer (xanh l\u00e1, xanh d\u01b0\u01a1ng, v\u00e0ng)<\/h3>\n

\u1ed0c v\u00edt ph\u1ee7 g\u1ed1m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e1n d\u01b0\u1edbi d\u1ea1ng \u201c\u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn theo ti\u00eau chu\u1ea9n ACQ\u201d ho\u1eb7c \u201c\u1ed1c v\u00edt s\u00e0n ph\u1ee7 g\u1ed1m,\u201d l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed thay th\u1ebf th\u00e9p kh\u00f4ng g\u1ec9 cho c\u00e1c \u1ee9ng d\u1ee5ng g\u1ed7 \u0111\u00e3 x\u1eed l\u00fd. L\u1edbp ph\u1ee7 g\u1ed1m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ho\u00e1 ch\u1ea5t cao h\u01a1n k\u1ebdm trong khi chi ph\u00ed th\u1ea5p h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9. Theo ki\u1ec3m tra c\u1ee7a Hi\u1ec7p h\u1ed9i B\u1ea3o v\u1ec7 G\u1ed7 M\u1ef9<\/a>, c\u00e1c \u1ed1c v\u00edt th\u00e9p \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u00fang c\u00e1ch \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 tu\u1ed5i th\u1ecd t\u1ed1i thi\u1ec3u cho ti\u1ebfp x\u00fac v\u1edbi g\u1ed7 ACQ tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/p>\n

H\u1ea1n ch\u1ebf c\u1ee7a ch\u00fang: l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng. N\u1ebfu b\u1ea1n th\u00e1o \u1ed1c v\u00edt ch\u1ecbu l\u1ef1c g\u1ed7 ph\u1ee7 g\u1ed1m ra v\u00e0 \u0111\u00f3ng l\u1ea1i, l\u1edbp ph\u1ee7 \u1edf c\u00e1c m\u1eb7t c\u1ea1nh ren c\u00f3 th\u1ec3 b\u1ecb tr\u00f3c v\u00e0 l\u1ed9 th\u00e9p tr\u1ea7n.<\/p>\n

Th\u00e9p carbon t\u00f4i c\u1ee9ng<\/h3>\n

M\u1ed9t s\u1ed1 lo\u1ea1i \u1ed1c v\u00edt ch\u1ecbu l\u1ef1c \u0111\u1eb7c bi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ed1c v\u00edt c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o cho LVL, g\u1ed7 k\u1ef9 thu\u1eadt v\u00e0 g\u1ed7 n\u1eb7ng, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p carbon c\u1ee9ng thay v\u00ec th\u00e9p th\u1ea5p carbon ti\u00eau chu\u1ea9n. Qu\u00e1 tr\u00ecnh t\u00f4i c\u1ee9ng (t\u00f4i qua nhi\u1ec7t ho\u1eb7c t\u00f4i v\u1ecf) t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng g\u00e3y xo\u1eafn trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng v\u00e0o v\u1eadt li\u1ec7u d\u00e0y \u0111\u1eb7c. N\u1ebfu b\u1ea1n \u0111\u00f3ng \u1ed1c v\u00edt d\u00e0i 5 inch v\u00e0o LVL d\u00e0y 3\/4 inch b\u1eb1ng d\u1ee5ng c\u1ee5 t\u00e1c \u0111\u1ed9ng v\u1edbi m\u00f4-men xo\u1eafn t\u1ed1i \u0111a, \u1ed1c v\u00edt ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 g\u00e3y. \u1ed0c v\u00edt c\u1ee9ng c\u1ea5p c\u1ea5u tr\u00fac s\u1ebd kh\u00f4ng g\u00e3y.<\/p>\n\n\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u \/ L\u1edbp ph\u1ee7<\/th>\nM\u00f4i tr\u01b0\u1eddng t\u1ed1t nh\u1ea5t<\/th>\nAn to\u00e0n v\u1edbi ACQ?<\/th>\nChi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e9p m\u1ea1 k\u1ebdm<\/td>\nCh\u1ec9 d\u00f9ng trong n\u1ed9i th\u1ea5t kh\u00f4<\/td>\nNo<\/td>\n$<\/td>\n<\/tr>\n
M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td>\nNgo\u00e0i tr\u1eddi, ti\u1ebfp x\u00fac v\u1eeba ph\u1ea3i<\/td>\nC\u00f3<\/td>\n$$<\/td>\n<\/tr>\n
Th\u00e9p ph\u1ee7 g\u1ed1m<\/td>\nG\u1ed7 \u0111\u00e3 x\u1eed l\u00fd, ngo\u00e0i tr\u1eddi<\/td>\nC\u00f3<\/td>\n$$<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 304<\/td>\nNgo\u00e0i tr\u1eddi, chung<\/td>\nC\u00f3<\/td>\n$$$<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 316<\/td>\nH\u00e0ng h\u1ea3i, ven bi\u1ec3n<\/td>\nC\u00f3<\/td>\n$$$$<\/td>\n<\/tr>\n
Th\u00e9p carbon t\u00f4i c\u1ee9ng<\/td>\nG\u1ed7 c\u1ee9ng \u0111\u1eb7c, c\u1ea5u tr\u00fac<\/td>\nThay \u0111\u1ed5i<\/td>\n$$$<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1ch ch\u1ecdn \u1ed1c v\u00edt ch\u1ecbu l\u1ef1c ph\u00f9 h\u1ee3p cho g\u1ed7<\/h2>\n

Vi\u1ec7c ch\u1ecdn \u1ed1c v\u00edt ch\u1ecbu l\u1ef1c cho g\u1ed7 d\u1ef1a tr\u00ean b\u1ed1n y\u1ebfu t\u1ed1: v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y, h\u01b0\u1edbng t\u1ea3i tr\u1ecdng v\u00e0 m\u00f4i tr\u01b0\u1eddng. H\u00e3y l\u00e0m theo th\u1ee9 t\u1ef1 \u0111\u00f3.<\/p>\n

Ph\u00f9 h\u1ee3p k\u00edch th\u01b0\u1edbc \u1ed1c v\u00edt v\u1edbi \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/h3>\n

K\u00edch th\u01b0\u1edbc \u1ed1c v\u00edt (\u0111\u01b0\u1eddng k\u00ednh) v\u00e0 chi\u1ec1u d\u00e0i theo quy t\u1eafc \u0111\u01a1n gi\u1ea3n: \u1ed1c v\u00edt n\u00ean xuy\u00ean qua ph\u1ea7n nh\u1eadn \u00edt nh\u1ea5t g\u1ea5p 1,5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1c v\u00edt. V\u1edbi \u1ed1c v\u00edt #8 (\u0111\u01b0\u1eddng k\u00ednh 0.164 inch), \u00edt nh\u1ea5t l\u00e0 0.25 inch ph\u1ea7n ren ti\u1ebfp x\u00fac trong ph\u1ea7n th\u1ee9 hai. H\u1ea7u h\u1ebft th\u1ee3 m\u1ed9c th\u1ef1c h\u00e0nh theo quy t\u1eafc hai ph\u1ea7n ba: \u1ed1c v\u00edt n\u00ean xuy\u00ean qua ph\u1ea7n nh\u1eadn \u00edt nh\u1ea5t hai ph\u1ea7n ba t\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3.<\/p>\n

K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn \u0111\u1ec3 tham kh\u1ea3o:<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u1ee8ng d\u1ee5ng<\/th>\nK\u00edch th\u01b0\u1edbc \u0111\u1ec1 xu\u1ea5t<\/th>\nPh\u1ea1m vi chi\u1ec1u d\u00e0i<\/th>\n<\/tr>\n<\/thead>\n
V\u00e1n plywood 1\/2\u2033 \u0111\u1ebfn v\u00e1n plywood 1\/2\u2033<\/td>\n#6 ho\u1eb7c #8<\/td>\n1\u2033 \u0111\u1ebfn 1-1\/4\u2033<\/td>\n<\/tr>\n
T\u1ea5m t\u1ee7 3\/4\u2033 \u0111\u1ebfn t\u1ea5m 3\/4\u2033<\/td>\n#8<\/td>\n1-1\/4\u2033 \u0111\u1ebfn 1-5\/8\u2033<\/td>\n<\/tr>\n
Khung x\u01b0\u01a1ng 2\u00d74 (b\u1eaft v\u00edt m\u1eb7t)<\/td>\n#10 ho\u1eb7c #12<\/td>\n3\u2033 \u0111\u1ebfn 3-1\/2\u2033<\/td>\n<\/tr>\n
V\u00e1n s\u00e0n \u0111\u1ebfn x\u00e0 g\u1ed3<\/td>\n#9 ho\u1eb7c #10 th\u00f4<\/td>\n2-1\/2\u2033 \u0111\u1ebfn 3\u2033<\/td>\n<\/tr>\n
Li\u00ean k\u1ebft n\u1ed9i th\u1ea5t g\u1ed7 c\u1ee9ng<\/td>\n#8<\/td>\n1-5\/8\u2033 \u0111\u1ebfn 2\u2033<\/td>\n<\/tr>\n
Thanh g\u1ed7 \u0111\u1ee1 \u0111\u1ebfn th\u00e0nh ph\u1ea7n th\u00e9p<\/td>\n\u1ed0c v\u00edt t\u1ef1 khoan #10<\/td>\nTheo nhu c\u1ea7u c\u1ee7a \u0111\u1ed9 d\u00e0y kim lo\u1ea1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

S\u1ed1 hi\u1ec7u \u0111\u1ed9 d\u00e0y theo c\u00f4ng th\u1ee9c: s\u1ed1 v\u00edt nh\u00e2n v\u1edbi 0.013 c\u1ed9ng 0.060 b\u1eb1ng inch. M\u1ed9t v\u00edt #10 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0.190 inch. M\u1ed9t v\u00edt #14 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0.242 inch. N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi ti\u00eau chu\u1ea9n g\u1ed7 theo h\u1ec7 m\u00e9t, chia \u0111\u01b0\u1eddng k\u00ednh v\u00edt t\u00ednh b\u1eb1ng millimeter cho 25.4.<\/p>\n

Khi n\u00e0o n\u00ean khoan tr\u01b0\u1edbc v\u00e0 khi n\u00e0o n\u00ean b\u1eaft tr\u1ef1c ti\u1ebfp<\/h3>\n

L\u1ed7 khoan s\u01a1 b\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh b\u1ecb hi\u1ec3u l\u1ea7m nhi\u1ec1u nh\u1ea5t khi l\u00e0m vi\u1ec7c v\u1edbi v\u00edt g\u1ed7. C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn: lu\u00f4n khoan tr\u01b0\u1edbc trong g\u1ed7 c\u1ee9ng (s\u1ed3i, phong, anh \u0111\u00e0o, \u00f3c ch\u00f3), lu\u00f4n khoan g\u1ea7n m\u00e9p (trong v\u00f2ng 1 inch), v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 b\u1ecf qua b\u01b0\u1edbc n\u00e0y trong g\u1ed7 m\u1ec1m khi v\u00e2n g\u1ed7 r\u00f5 r\u00e0ng v\u00e0 v\u00edt v\u00e0o \u00edt nh\u1ea5t 2 inch t\u1eeb b\u1ea5t k\u1ef3 \u0111\u1ea7u n\u00e0o.<\/p>\n

L\u1ed7 khoan s\u01a1 b\u1ed9 n\u00ean chi\u1ebfm kho\u1ea3ng 75 \u0111\u1ebfn 80 ph\u1ea7n tr\u0103m \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf c\u1ee7a v\u00edt (\u0111\u01b0\u1eddng k\u00ednh g\u1ed1c, kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a ren). Khoan qu\u00e1 s\u00e2u t\u1ea1o ra ren l\u1ecfng l\u1ebbo; khoan qu\u00e1 n\u00f4ng l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng. \u0110\u1ed1i v\u1edbi v\u00edt #8 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf 0.094 inch, m\u0169i khoan 3\/32\u2033 l\u00e0 ph\u00f9 h\u1ee3p. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f4ng b\u1ed1 b\u1ea3ng h\u01b0\u1edbng d\u1eabn khoan s\u01a1 b\u1ed9 tr\u00ean trang s\u1ea3n ph\u1ea9m ho\u1eb7c nh\u00e3n h\u1ed9p.<\/p>\n

Trong MDF v\u00e0 c\u00e1c composite \u0111\u1eb7c, lu\u00f4n khoan tr\u01b0\u1edbc. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng c\u00f3 v\u00e2n \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn ren, v\u00e0 n\u1ebfu kh\u00f4ng c\u00f3 l\u1ed7 khoan s\u01a1 b\u1ed9, b\u1ea1n th\u01b0\u1eddng th\u1ea5y l\u1edbp m\u1eb7t b\u1ecb bong tr\u00f3c ho\u1eb7c t\u1ea5m v\u00e1n b\u1ecb u\u1ed1n cong quanh \u0111\u1ea7u v\u00edt.<\/p>\n

Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn g\u00e2y n\u1ee9t g\u1ed7 ho\u1eb7c tr\u01b0\u1ee3t ren<\/h3>\n

Khi\u1ebfn t\u1ed1c \u0111\u1ed9 qu\u00e1 cao l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t. T\u1ed1c \u0111\u1ed9 quay cao tr\u00ean m\u00e1y t\u00e1c \u0111\u1ed9ng t\u1ea1o ra nhi\u1ec7t \u1edf c\u00e1c c\u1ea1nh ren v\u00e0 c\u00f3 th\u1ec3 l\u00e0m c\u1ee9ng v\u00e0 l\u00e0m b\u00f3ng s\u1ee3i g\u1ed7 thay v\u00ec n\u00e9n ch\u00fang m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd. Gi\u1ea3m t\u1ed1c \u0111\u1ed9 v\u1ec1 m\u1ee9c trung b\u00ecnh trong g\u1ed7 c\u1ee9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ed1 \u0111\u1ecbnh cu\u1ed1i c\u00f9ng.<\/p>\n

B\u1ecf qua b\u01b0\u1edbc khoan m\u00e0i \u0111\u1ea7u v\u00edt l\u00e0 l\u1ed7i th\u1ee9 hai g\u1ea7n nh\u01b0 c\u00f9ng m\u1ee9c \u0111\u1ed9. M\u1ed9t v\u00edt \u0111\u1ea7u b\u1eb1ng c\u1ea7n c\u00f3 l\u1ed7 m\u00e0i \u0111\u1ec3 l\u1eafp ph\u1eb3ng; ch\u00ednh l\u1ed7 khoan kh\u00f4ng t\u1ea1o ra r\u00e3nh. Khi d\u00f9ng v\u00edt \u0111\u1ea7u b\u1eb1ng m\u00e0 kh\u00f4ng c\u00f3 l\u1ed7 m\u00e0i, s\u1ebd l\u00e0m n\u1ee9t g\u1ed7 \u1edf b\u1ec1 m\u1eb7t khi ph\u1ea7n \u0111\u1ea7u h\u00ecnh n\u00f3n \u00e9p c\u00e1c s\u1ee3i g\u1ed7 t\u00e1ch ra.<\/p>\n

S\u1eed d\u1ee5ng v\u00edt qu\u00e1 ng\u1eafn l\u00e0 h\u00ecnh th\u1ee9c h\u1ecfng h\u00f3c ph\u1ed5 bi\u1ebfn nh\u1ea5t trong th\u1ef1c t\u1ebf. M\u1ed9t v\u00edt ch\u1ec9 v\u1eeba \u0111\u1ee7 b\u00e1m v\u00e0o ph\u1ea7n nh\u1eadn c\u00f3 l\u1ef1c r\u00fat t\u1ed1i thi\u1ec3u. Khi m\u1ed1i n\u1ed1i ch\u1ecbu l\u1ef1c ngang (k\u00e9o ng\u0103n k\u00e9o sang b\u00ean, k\u1ec7 ch\u1ecbu t\u1ea3i kh\u00f4ng \u0111\u1ec1u), v\u00edt s\u1ebd b\u1ecb tr\u01b0\u1ee3t ra. Ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u: hai ph\u1ea7n ba chi\u1ec1u d\u00e0i v\u00edt v\u00e0o ph\u1ea7n nh\u1eadn.<\/p>\n

S\u1eed d\u1ee5ng v\u00edt m\u1ea1 k\u1ebdm trong g\u1ed7 x\u1eed l\u00fd ch\u1ed1ng m\u1ee5c n\u00e1t l\u00e0 m\u1ed9t d\u1ea1ng h\u1ecfng h\u00f3c ch\u1eadm h\u01a1n c\u1ee7a c\u00f9ng m\u1ed9t l\u1ed7i. B\u1ea1n s\u1ebd th\u1ea5y v\u1ebft r\u1ec9 s\u00e9t tr\u00ean c\u00e1c t\u1ea5m v\u00e1n s\u00e0n trong v\u00f2ng m\u1ed9t m\u00f9a; sau hai m\u00f9a, ph\u1ea7n c\u1ed1 \u0111\u1ecbnh \u0111\u00e3 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t t\u1eebng b\u01b0\u1edbc<\/h2>\n

\"\u1ed1c<\/p>\n

L\u1eafp \u0111\u1eb7t v\u00edt g\u1ed7 \u0111\u00fang c\u00e1ch m\u1ea5t kho\u1ea3ng 30 gi\u00e2y cho m\u1ed7i ph\u1ea7n khi b\u1ea1n \u0111\u00e3 chu\u1ea9n b\u1ecb \u0111\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 tr\u00ecnh t\u1ef1 cho g\u1ed7 c\u1ee9ng, l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111\u00f2i h\u1ecfi cao nh\u1ea5t.<\/p>\n

D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft l\u1eadp<\/h3>\n

B\u1ea1n c\u1ea7n ba th\u1ee9: m\u00e1y khoan\/\u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng d\u00e2y, m\u0169i khoan k\u1ebft h\u1ee3p m\u00e0i \u0111\u1ea7u\/ph\u1ee5t ph\u00f9 h\u1ee3p v\u1edbi k\u00edch c\u1ee1 v\u00edt c\u1ee7a b\u1ea1n, v\u00e0 d\u1ee5ng c\u1ee5 gi\u1eef bit t\u1eeb t\u00ednh v\u1edbi m\u0169i Torx ho\u1eb7c Phillips #2. Ch\u1ed1t gi\u1edbi h\u1ea1n s\u00e2u tr\u00ean m\u0169i khoan m\u00e0i \u0111\u1ea7u gi\u00fap lo\u1ea1i b\u1ecf \u0111o\u00e1n m\u00f2 v\u1ec1 \u0111\u1ed9 s\u00e2u l\u1ed7 khoan.<\/p>\n

\u0110\u1eb7t ch\u1ebf \u0111\u1ed9 ly h\u1ee3p c\u1ee7a m\u00e1y khoan v\u1ec1 m\u1ee9c trung b\u00ecnh th\u1ea5p cho g\u1ed7 c\u1ee9ng, trung b\u00ecnh cho g\u1ed7 m\u1ec1m v\u00e0 composite. M\u00e1y t\u00e1c \u0111\u1ed9ng b\u1ecf qua ly h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00fa nh\u1ea5n t\u1ed1c \u0111\u1ed9 cao. Th\u00edch h\u1ee3p cho x\u00e2y d\u1ef1ng khung, nh\u01b0ng trong ch\u1ebf t\u00e1c g\u1ed7 tinh x\u1ea3o, ch\u00fang c\u00f3 th\u1ec3 si\u1ebft qu\u00e1 ch\u1eb7t v\u00e0 n\u00e9n v\u00e2n g\u1ed7 d\u01b0\u1edbi \u0111\u1ea7u v\u00edt. \u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c ch\u1ebf t\u00e1c n\u1ed9i th\u1ea5t, h\u00e3y d\u00f9ng m\u00e1y khoan\/\u0111i\u1ec1u ch\u1ec9nh c\u00f3 ly h\u1ee3p ti\u00eau chu\u1ea9n.<\/p>\n

K\u1ef9 thu\u1eadt khoan \u0111\u1ec3 k\u1ebft qu\u1ea3 s\u1ea1ch s\u1ebd<\/h3>\n
    \n
  1. \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m trung t\u00e2m c\u1ee7a b\u1ea1n.<\/strong> D\u1ee5ng c\u1ee5 nh\u1ecdn ho\u1eb7c \u0111\u1ee5c gi\u00fap tr\u00e1nh m\u0169i khoan b\u1ecb l\u1ec7ch trong v\u00f2ng quay \u0111\u1ea7u ti\u00ean.<\/li>\n
  2. Ch\u1ea1y m\u0169i khoan m\u00e0i \u0111\u1ea7u.<\/strong> M\u1ed9t l\u1ea7n duy nh\u1ea5t \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a t\u1ea1o ra r\u00e3nh h\u00ecnh n\u00f3n v\u00e0 l\u1ed7 khoan s\u01a1 b\u1ed9 trong m\u1ed9t b\u01b0\u1edbc n\u1ebfu b\u1ea1n d\u00f9ng m\u0169i k\u1ebft h\u1ee3p.<\/li>\n
  3. B\u1eaft \u0111\u1ea7u v\u00edt b\u1eb1ng tay<\/strong> ho\u1eb7c \u1edf t\u1ed1c \u0111\u1ed9 khoan ch\u1eadm cho \u0111\u1ebfn khi \u0111i\u1ec3m nh\u1ecdn b\u1eaft v\u00e0o. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ecbnh v\u1ecb v\u00edt ch\u00ednh x\u00e1c trong l\u1ed7 khoan s\u01a1 b\u1ed9 tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng m\u00f4-men xo\u1eafn.<\/li>\n
  4. Ti\u1ebfn h\u00e0nh l\u00e1i xe \u0111\u1ebfn \u0111\u1ed9 s\u00e2u cu\u1ed1i c\u00f9ng v\u1edbi t\u1ed1c \u0111\u1ed9 trung b\u00ecnh.<\/strong> D\u1eebng l\u1ea1i khi \u0111\u1ea7u v\u00edt b\u1eb1ng ho\u1eb7c ch\u1ec9 th\u1ea5p h\u01a1n m\u1eb7t tr\u00ean ho\u1eb7c d\u01b0\u1edbi b\u1ec1 m\u1eb7t. L\u00fan s\u00e2u h\u01a1n 1\/16 inch s\u1ebd l\u00e0m v\u1ee1 v\u1ee5n g\u1ed7 ph\u00eda tr\u00ean v\u00e0 t\u1ea1o ra m\u1ed9t ch\u1ed7 l\u00f5m r\u00f5 r\u00e0ng.<\/li>\n
  5. Kh\u00f4ng l\u00f9i l\u1ea1i v\u00e0 \u0111\u1ea9y l\u1ea1i l\u1ea7n n\u1eefa.<\/strong> M\u1ed7i l\u1ea7n b\u1ea1n l\u00f9i l\u1ea1i \u0111\u1ec3 v\u1eb7n v\u00edt g\u1ed7, \u0111\u01b0\u1eddng r\u00e3nh ren s\u1ebd m\u1edf r\u1ed9ng nh\u1eb9. N\u1ebfu c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed, h\u00e3y s\u1eed d\u1ee5ng v\u00edt m\u1edbi.<\/li>\n<\/ol>\n

    \u0110\u1ed1i v\u1edbi m\u1ed1i n\u1ed1i t\u1ee7 m\u1eb7t khung, d\u1ee5ng c\u1ee5 khoan v\u00edt t\u00fai k\u1ebft h\u1ee3p l\u1ed7 d\u1eabn, khoan l\u00f5m v\u00e0 g\u00f3c v\u00e0o m\u1ed9t thao t\u00e1c. V\u00edt g\u1ed7 (th\u01b0\u1eddng l\u00e0 v\u00edt khoan l\u1ed7 t\u00fai c\u00f3 ren th\u00f4 chuy\u00ean d\u1ee5ng) l\u00e0 lo\u1ea1i v\u00edt \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1edf \u0111\u00f3. Th\u01b0 vi\u1ec7n tham kh\u1ea3o v\u1ec1 m\u1ed1i n\u1ed1i c\u1ee7a Fine Woodworking<\/a> bao g\u1ed3m chi ti\u1ebft k\u1ef9 thu\u1eadt khoan v\u00edt t\u00fai cho b\u1ea5t k\u1ef3 ai x\u00e2y d\u1ef1ng n\u1ed9i th\u1ea5t t\u1eeb \u0111\u1ea7u.<\/p>\n

    \u1ee8ng d\u1ee5ng trong ng\u00e0nh c\u1ee7a v\u00edt g\u1ed7 khoan<\/h2>\n

    L\u1eafp r\u00e1p n\u1ed9i th\u1ea5t v\u00e0 t\u1ee7<\/h3>\n

    C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t n\u1ed9i th\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t d\u1ef1a v\u00e0o v\u00edt g\u1ed7 khoan nh\u01b0 l\u00e0 ph\u1ea7n ch\u00ednh c\u1ee7a c\u00e1c ph\u1ea7n k\u1ebft c\u1ea5u trong x\u00e2y d\u1ef1ng d\u1ea1ng r\u1eddi ho\u1eb7c l\u1eafp r\u00e1p s\u1eb5n. V\u00edt lo\u1ea1i ren th\u00f4 Type AB d\u00e0i 1-1\/4\u2033 v\u00e0 1-5\/8\u2033 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a vi\u1ec7c l\u1eafp r\u00e1p khung t\u1ee7: t\u1ea5m l\u01b0ng, thanh n\u1eb9p, thanh k\u00e9o, ray k\u00e9o ng\u0103n k\u00e9o. \u01afu \u0111i\u1ec3m v\u1ec1 t\u1ed1c \u0111\u1ed9 so v\u1edbi \u0111\u00f3ng \u0111inh l\u00e0 r\u00f5 r\u1ec7t trong s\u1ea3n xu\u1ea5t nh\u1ecf, v\u00ec kh\u00f4ng c\u1ea7n m\u00e1y n\u00e9n kh\u00ed, s\u00fang \u0111inh, hay b\u01b0\u1edbc \u0111\u1ea5m v\u00e0 \u0111i\u1ec1n.<\/p>\n

    C\u00e1c nh\u00e0 l\u00e0m n\u1ed9i th\u1ea5t t\u00f9y ch\u1ec9nh \u01b0a chu\u1ed9ng v\u00edt \u0111\u1ea7u bugle Torx-drive v\u1edbi k\u00edch c\u1ee1 nh\u1ecf h\u01a1n (#6, #8) v\u00ec \u0111\u1ea7u v\u00edt n\u1eb1m g\u1ecdn trong g\u1ed7 s\u1ed3i v\u00e0 phong, kh\u00f4ng g\u00e2y r\u00e1ch l\u1edbp v\u00e2n g\u1ed7 m\u1eb7t m\u00e0 v\u00edt \u0111\u1ea7u ph\u1eb3ng ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 g\u00e2y ra n\u1ebfu v\u1eb7n \u1edf g\u00f3c.<\/p>\n

    X\u00e2y d\u1ef1ng s\u00e2n v\u00e0 ngo\u00e0i tr\u1eddi<\/h3>\n

    X\u00e2y d\u1ef1ng s\u00e2n l\u00e0 \u1ee9ng d\u1ee5ng l\u1edbn nh\u1ea5t v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00edt g\u1ed7 khoan. M\u1ed9t s\u00e2n ti\u00eau chu\u1ea9n 12\u00d716 s\u1eed d\u1ee5ng kho\u1ea3ng t\u1eeb 800 \u0111\u1ebfn 1.400 v\u00edt, t\u00f9y thu\u1ed9c v\u00e0o chi\u1ec1u r\u1ed9ng c\u1ee7a v\u00e1n v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c x\u00e0. Th\u00f4ng s\u1ed1 ch\u00ednh l\u00e0 v\u00edt ren th\u00f4 #9 ho\u1eb7c #10, d\u00e0i t\u1eeb 2-1\/2\u2033 \u0111\u1ebfn 3\u2033, ph\u1ee7 ceramic ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9, c\u00f3 \u0111\u1ea7u Torx ho\u1eb7c vu\u00f4ng.<\/p>\n

    Vi\u1ec7c chuy\u1ec3n t\u1eeb \u0111inh m\u1ea1 k\u1ebdm sang v\u00edt g\u1ed7 khoan trong x\u00e2y d\u1ef1ng s\u00e2n di\u1ec5n ra ch\u1ee7 y\u1ebfu trong th\u1eadp ni\u00ean 2000 khi c\u00e1c d\u1ee5ng c\u1ee5 t\u00e1c \u0111\u1ed9ng l\u00e0m cho vi\u1ec7c v\u1eb7n v\u00edt tr\u1edf n\u00ean kh\u1ea3 thi v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. V\u00edt c\u00f3 th\u1ec3 th\u00e1o r\u1eddi \u0111\u1ec3 thay th\u1ebf v\u00e1n, gi\u1eef v\u00e1n ph\u1eb3ng h\u01a1n theo th\u1eddi gian, v\u00e0 kh\u00f4ng b\u1ecb l\u1ecfng ra do chuy\u1ec3n \u0111\u1ed9ng theo m\u00f9a c\u1ee7a g\u1ed7 nh\u01b0 \u0111inh tr\u01a1n.<\/p>\n

    N\u1ebfu b\u1ea1n mu\u1ed1n kh\u00e1m ph\u00e1 to\u00e0n b\u1ed9 ph\u1ea1m vi c\u00e1c lo\u1ea1i v\u00edt \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t cho x\u00e2y d\u1ef1ng ngo\u00e0i tr\u1eddi<\/a>, bao g\u1ed3m \u0111\u00f3ng g\u00f3i s\u1ed1 l\u01b0\u1ee3ng l\u1edbn cho m\u1ee5c \u0111\u00edch thi c\u00f4ng, c\u00e1c t\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh cho \u1ee9ng d\u1ee5ng s\u00e2n v\u00e0 k\u1ebft c\u1ea5u \u0111\u00e1ng \u0111\u1ec3 xem x\u00e9t tr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh d\u1ef1 \u00e1n l\u1edbn.<\/p>\n

    K\u1ebft n\u1ed1i g\u1ed7 v\u1edbi kim lo\u1ea1i<\/h3>\n

    K\u1ebft n\u1ed1i g\u1ed7 v\u1edbi khung th\u00e9p nh\u1eb9, m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ed5 bi\u1ebfn trong x\u00e2y d\u1ef1ng n\u1ed9i th\u1ea5t th\u01b0\u01a1ng m\u1ea1i, y\u00eau c\u1ea7u v\u00edt g\u1ed7 khoan t\u1ef1 khoan ( v\u00edt Tek) v\u1edbi \u0111\u1ea7u m\u0169i khoan ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y c\u1ee7a th\u00e9p. M\u0169i khoan ph\u1ea3i \u0111\u1ee7 c\u1ee9ng \u0111\u1ec3 xuy\u00ean qua th\u00e9p tr\u01b0\u1edbc khi ren b\u1eaft \u0111\u1ea7u b\u00e1m v\u00e0o g\u1ed7.<\/p>\n

    Th\u00f4ng s\u1ed1 quan tr\u1ecdng \u1edf \u0111\u00e2y l\u00e0 \u201cs\u1ed1 m\u0169i khoan\u201d (t\u1eeb 1 \u0111\u1ebfn 5), th\u1ec3 hi\u1ec7n \u0111\u1ed9 d\u00e0y t\u1ed1i \u0111a c\u1ee7a th\u00e9p m\u00e0 m\u0169i khoan c\u00f3 th\u1ec3 xuy\u00ean qua. M\u0169i khoan #2 x\u1eed l\u00fd th\u00e9p d\u00e0y t\u1edbi 14-gauge (0.075\u2033), ti\u00eau chu\u1ea9n cho khung x\u01b0\u01a1ng th\u00e9p nh\u1eb9. M\u0169i khoan #3 x\u1eed l\u00fd th\u00e9p d\u00e0y t\u1edbi 3\/16\u2033. S\u1eed d\u1ee5ng m\u0169i khoan #2 tr\u00ean th\u00e9p d\u00e0y h\u01a1n s\u1ebd khi\u1ebfn m\u0169i m\u00f2n tr\u01b0\u1edbc khi xuy\u00ean qua, l\u00e0m v\u00edt quay tr\u00f2n t\u1ea1i ch\u1ed7 trong khi sinh nhi\u1ec7t.<\/p>\n

    K\u1ebft c\u1ea5u v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u00f4ng nghi\u1ec7p<\/h3>\n

    Trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t (d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t \u0111\u1ed3 n\u1ed9i th\u1ea5t, nh\u00e0 ti\u1ec1n ch\u1ebf, x\u01b0\u1edfng m\u1ed9c), v\u00edt t\u1ef1 khoan g\u1ed7 ch\u1ea1y qua m\u00e1y v\u1eb7n v\u00edt t\u1ef1 \u0111\u1ed9ng b\u1eb1ng kh\u00ed n\u00e9n ho\u1eb7c \u0111i\u1ec7n, cung c\u1ea5p m\u00f4-men xo\u1eafn v\u00e0 \u0111\u1ed9 s\u00e2u nh\u1ea5t qu\u00e1n tr\u00ean h\u00e0ng ngh\u00ecn con v\u00edt m\u1ed7i ca. H\u00ecnh d\u1ea1ng c\u1ee7a v\u00edt quan tr\u1ecdng h\u01a1n \u1edf \u0111\u00e2y so v\u1edbi khi s\u1eed d\u1ee5ng b\u1eb1ng tay: h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng c\u1ea7n m\u1ed9t \u0111\u1ea7u v\u00edt c\u00f3 th\u1ec3 \u0103n kh\u1edbp nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng b\u1ecb k\u1eb9t trong r\u00e3nh c\u1ea5p li\u1ec7u, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao lo\u1ea1i AB v\u1edbi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u m\u1ecbn chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng s\u1ea3n xu\u1ea5t.<\/p>\n

    V\u00edt s\u1ea3n xu\u1ea5t cho c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/a> c\u00f3 s\u1eb5n \u1edf d\u1ea1ng \u0111\u00f3ng g\u00f3i s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (1.000 chi\u1ebfc, 5.000 chi\u1ebfc) v\u1edbi dung sai nh\u1ea5t qu\u00e1n c\u1ea7n thi\u1ebft cho thi\u1ebft b\u1ecb v\u1eb7n t\u1ef1 \u0111\u1ed9ng. S\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u1edf s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb \u1edf c\u1eeda h\u00e0ng ph\u1ea7n c\u1ee9ng s\u1ebd tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 c\u1ea5p li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t.<\/p>\n

    Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 v\u00edt t\u1ef1 khoan g\u1ed7 (t\u1eeb n\u0103m 2026 tr\u1edf \u0111i)<\/h2>\n

    H\u00ecnh d\u1ea1ng ren t\u1ef1 t\u1ea1o l\u1ed7 ch\u00ecm<\/h3>\n

    M\u1ed9t danh m\u1ee5c v\u00edt t\u1ef1 khoan g\u1ed7 ng\u00e0y c\u00e0ng t\u0103ng bao g\u1ed3m c\u00e1c g\u00e2n phay ho\u1eb7c r\u0103ng c\u01b0a ngay d\u01b0\u1edbi \u0111\u1ea7u v\u00edt, gi\u00fap t\u1ea1o l\u1ed7 ch\u00ecm khi v\u00edt \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t, kh\u00f4ng c\u1ea7n m\u0169i khoan t\u1ea1o l\u1ed7 ch\u00ecm ri\u00eang. C\u00e1c thi\u1ebft k\u1ebf \"t\u1ef1 t\u1ea1o l\u1ed7 ch\u00ecm c\u00f3 r\u0103ng c\u01b0a\" n\u00e0y t\u1ea1o ra l\u1ed7 ch\u00ecm trong m\u1ed9t l\u1ea7n thao t\u00e1c. Ch\u00fang \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n tr\u00ean th\u1ecb tr\u01b0\u1eddng v\u00edt s\u00e0n cao c\u1ea5p v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho ph\u1ea7n c\u1ee9ng t\u1ee7 v\u00e0 \u0111\u1ed3 n\u1ed9i th\u1ea5t.<\/p>\n

    S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u: v\u00edt t\u1ef1 t\u1ea1o l\u1ed7 ch\u00ecm c\u00f3 r\u0103ng c\u01b0a ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t tr\u00ean g\u1ed7 m\u1ec1m v\u00e0 v\u1eadt li\u1ec7u composite, n\u01a1i c\u00e1c r\u0103ng c\u01b0a c\u00f3 th\u1ec3 c\u1eaft s\u1ea1ch. Tr\u00ean g\u1ed7 c\u1ee9ng r\u1ea5t \u0111\u1eb7c (Ipe, teak, jarrah), c\u00e1c r\u0103ng c\u01b0a c\u00f3 th\u1ec3 kh\u00f4ng di chuy\u1ec3n v\u1eadt li\u1ec7u \u0111\u1ee7 nhanh v\u00e0 c\u00f3 th\u1ec3 g\u00e2y bong tr\u00f3c b\u1ec1 m\u1eb7t.<\/p>\n

    L\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n ti\u00ean ti\u1ebfn<\/h3>\n

    C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u1ed1c v\u00edt \u0111ang chuy\u1ec3n t\u1eeb k\u1ebdm v\u00e0 g\u1ed1m sang c\u00e1c l\u1edbp ph\u1ee7 \u0111a l\u1edbp \u0111\u1ed9c quy\u1ec1n k\u1ebft h\u1ee3p \u0111\u1ed9 b\u00e1m c\u01a1 h\u1ecdc, r\u00e0o c\u1ea3n h\u00f3a h\u1ecdc v\u00e0 k\u1ebdm hy sinh trong m\u1ed9t l\u1ea7n \u1ee9ng d\u1ee5ng. Theo ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m phun mu\u1ed1i c\u1ee7a ASTM International (ASTM B117)<\/a>, ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 th\u1eed nghi\u1ec7m \u0103n m\u00f2n t\u0103ng t\u1ed1c, c\u00e1c l\u1edbp ph\u1ee7 t\u1ed1t nh\u1ea5t hi\u1ec7n nay \u0111\u1ea1t h\u01a1n 1.000 gi\u1edd tr\u01b0\u1edbc khi b\u1ecb g\u1ec9 \u0111\u1ecf. \u0110\u00f3 l\u00e0 hi\u1ec7u su\u1ea5t g\u1ea5p h\u01a1n ba l\u1ea7n so v\u1edbi m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n nhi\u1ec1u.<\/p>\n

    \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 th\u1ea7u ch\u1ec9 \u0111\u1ecbnh \u1ed1c v\u00edt cho c\u00e1c d\u1ef1 \u00e1n ven bi\u1ec3n, n\u01a1i th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 chi ph\u00ed qu\u00e1 cao, c\u00e1c l\u1edbp ph\u1ee7 ti\u00ean ti\u1ebfn n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ed9t gi\u1ea3i ph\u00e1p trung gian h\u1ee3p l\u00fd. Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n cho \u0111\u1ebfn n\u0103m 2026 c\u00f3 v\u1ebb kh\u1ea3 thi khi \u00e1p l\u1ef1c chu\u1ed7i cung \u1ee9ng \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 ti\u1ebfp t\u1ee5c gia t\u0103ng.<\/p>\n

    S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ren t\u1ea1o h\u00ecnh so v\u1edbi ren c\u1eaft<\/h3>\n

    V\u00edt t\u1ef1 khoan g\u1ed7 truy\u1ec1n th\u1ed1ng t\u1ea1o ren b\u1eb1ng c\u00e1ch n\u00e9n c\u00e1c s\u1ee3i g\u1ed7. M\u1ed9t ph\u00e2n kh\u00fac thi\u1ebft k\u1ebf m\u1edbi h\u01a1n s\u1eed d\u1ee5ng h\u00ecnh d\u1ea1ng ren c\u1eaft (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u0169i taro) \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u thay v\u00ec d\u1ecbch chuy\u1ec3n n\u00f3. Trong c\u00e1c v\u1eadt li\u1ec7u composite c\u00f3 h\u00e0m l\u01b0\u1ee3ng nh\u1ef1a cao v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i g\u1ed7 nhi\u1ec7t \u0111\u1edbi, h\u00ecnh d\u1ea1ng ren c\u1eaft t\u1ea1o ra \u00e1p l\u1ef1c xuy\u00ean t\u00e2m \u00edt h\u01a1n trong qu\u00e1 tr\u00ecnh v\u1eb7n, g\u1ea7n nh\u01b0 lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i n\u1ee9t x\u1ea3y ra ngay c\u1ea3 v\u1edbi v\u00edt t\u1ea1o h\u00ecnh ren \u0111\u00e3 khoan tr\u01b0\u1edbc trong c\u00e1c v\u1eadt li\u1ec7u kh\u00f3.<\/p>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y, t\u1ea1o h\u00ecnh so v\u1edbi c\u1eaft, c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng ghi ch\u00fa ti\u00eau chu\u1ea9n tr\u00ean bao b\u00ec trong chu k\u1ef3 s\u1ea3n ph\u1ea9m ti\u1ebfp theo, gi\u1ed1ng nh\u01b0 c\u00e1ch \"t\u1ef1 khoan\" tr\u1edf th\u00e0nh m\u1ed9t danh m\u1ee5c \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0o nh\u1eefng n\u0103m 1990.<\/p>\n

    C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u00edt taro v\u00e0 v\u00edt l\u00e0 g\u00ec?<\/strong>
    \nM\u1ed9t v\u00edt g\u1ed7 ti\u00eau chu\u1ea9n t\u1ea1o ra m\u1ed1i n\u1ed1i k\u1eb9p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng ren \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n ho\u1eb7c d\u1ecbch chuy\u1ec3n. V\u00edt taro \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 t\u1ea1o ho\u1eb7c c\u1eaft ren c\u1ee7a ri\u00eang n\u00f3 khi l\u1eafp. V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, v\u00edt t\u1ef1 khoan g\u1ed7 c\u00f3 h\u00ecnh d\u1ea1ng ren s\u1eafc b\u00e9n h\u01a1n, b\u01b0\u1edbc ren m\u1ea1nh m\u1ebd h\u01a1n v\u00e0 \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 kh\u1edfi \u0111\u1ed9ng, gi\u00fap ch\u00fang l\u1eafp \u0111\u1eb7t nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n trong v\u1eadt li\u1ec7u composite v\u00e0 g\u1ed7 k\u1ef9 thu\u1eadt, n\u01a1i v\u00edt ti\u00eau chu\u1ea9n th\u01b0\u1eddng b\u1ecb tr\u01b0\u1ee3t ren.<\/p>\n

    V\u00edt t\u1ef1 khoan g\u1ed7 c\u00f3 c\u1ea7n l\u1ed7 m\u1ed3i kh\u00f4ng?<\/strong>
    \nKh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady. \u0110\u1ed1i v\u1edbi g\u1ed7 m\u1ec1m d\u01b0\u1edbi 1 inch, v\u00edt t\u1ef1 khoan g\u1ed7 lo\u1ea1i AB th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng c\u1ea7n l\u1ed7 m\u1ed3i. \u0110\u1ed1i v\u1edbi g\u1ed7 c\u1ee9ng, g\u1ea7n m\u00e9p, ho\u1eb7c trong MDF v\u00e0 v\u1eadt li\u1ec7u composite \u0111\u1eb7c, c\u1ea7n c\u00f3 l\u1ed7 m\u1ed3i \u0111\u1ec3 ng\u0103n ng\u1eeba n\u1ee9t v\u00e0 gi\u1ea3m m\u00f4-men xo\u1eafn khi v\u1eb7n. Khi nghi ng\u1edd, h\u00e3y khoan l\u1ed7 m\u1ed3i. Th\u00eam 30 gi\u00e2y v\u00e0o quy tr\u00ecnh s\u1ebd ng\u0103n ng\u1eeba c\u00e1c v\u1ebft n\u1ee9t l\u00e0m h\u1ecfng s\u1ea3n ph\u1ea9m.<\/p>\n

    C\u1ea7n s\u1eed d\u1ee5ng v\u00edt t\u1ef1 khoan g\u1ed7 k\u00edch th\u01b0\u1edbc n\u00e0o cho v\u00e1n s\u00e0n?<\/strong>
    \n\u0110\u1ed1i v\u1edbi v\u00e1n s\u00e0n composite ho\u1eb7c v\u00e1n s\u00e0n x\u1eed l\u00fd \u00e1p l\u1ef1c c\u00f3 k\u00edch th\u01b0\u1edbc 5\/4 inch tr\u00ean khung x\u01b0\u01a1ng ti\u00eau chu\u1ea9n 1.5 inch, v\u00edt ren th\u00f4 #9 ho\u1eb7c #10 c\u00f3 chi\u1ec1u d\u00e0i t\u1eeb 2.5 \u0111\u1ebfn 3 inch l\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh. S\u1eed d\u1ee5ng lo\u1ea1i ph\u1ee7 ceramic ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n t\u1eeb g\u1ed7 x\u1eed l\u00fd b\u1eb1ng ACQ. \u0110\u00f3ng hai v\u00edt t\u1ea1i m\u1ed7i \u0111i\u1ec3m giao nhau gi\u1eefa v\u00e1n v\u00e0 x\u01b0\u01a1ng \u0111\u1ec3 c\u00e1c v\u00e1n r\u1ed9ng 6 inch tr\u1edf l\u00ean.<\/p>\n

    T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u00edt kim lo\u1ea1i t\u1ea5m trong g\u1ed7 kh\u00f4ng?<\/strong>
    \nV\u00edt kim lo\u1ea1i t\u1ea5m (Lo\u1ea1i B) c\u00f3 b\u01b0\u1edbc ren m\u1ecbn h\u01a1n t\u1ed1i \u01b0u cho kim lo\u1ea1i m\u1ecfng. Ch\u00fang s\u1ebd b\u1eaft v\u00e0o g\u1ed7 nh\u01b0ng c\u00f3 l\u1ef1c r\u00fat th\u1ea5p h\u01a1n v\u00edt khoan g\u1ed7 c\u00f9ng lo\u1ea1i, v\u00e0 ren m\u1ecbn c\u00f3 th\u1ec3 b\u1ecb tr\u01b0\u1ee3t trong g\u1ed7 m\u1ec1m. \u0110\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng g\u1ed7 gh\u00e9p g\u1ed7, s\u1eed d\u1ee5ng v\u00edt khoan g\u1ed7 lo\u1ea1i A ho\u1eb7c AB. \u0110\u1ed1i v\u1edbi g\u1ed7 v\u00e0 kim lo\u1ea1i, s\u1eed d\u1ee5ng v\u00edt t\u1ef1 khoan Tek ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y kim lo\u1ea1i.<\/p>\n

    T\u1ea1i sao v\u00edt khoan g\u1ed7 c\u1ee7a t\u00f4i c\u1ee9 b\u1ecb tr\u01b0\u1ee3t khi xoay?<\/strong>
    \nBa nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn: m\u0169i v\u00edt m\u00f2n (m\u0169i Phillips ho\u1eb7c Torx m\u00f2n truy\u1ec1n l\u1ef1c t\u1ea1i c\u1ea1nh c\u1ee7a r\u00e3nh, kh\u00f4ng ph\u1ea3i m\u1eb7t ph\u1eb3ng, n\u00ean thay th\u1ebf); t\u1ed1c \u0111\u1ed9 khoan qu\u00e1 cao (gi\u1ea3m v\u00f2ng\/ph\u00fat v\u00e0 \u0111\u1ec3 ren l\u00e0m vi\u1ec7c); ho\u1eb7c lo\u1ea1i \u0111\u1ea7u v\u00edt kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u (n\u1ebfu d\u00f9ng Phillips trong g\u1ed7 c\u1ee9ng \u1edf \u0111\u1ed9 s\u00e2u, chuy\u1ec3n sang Torx, gi\u1eef ch\u1eb7t to\u00e0n b\u1ed9 khi xoay v\u1edbi l\u1ef1c l\u1edbn m\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t cam).<\/p>\n

    C\u1ea5u h\u00ecnh v\u00edt khoan g\u1ed7 m\u1ea1nh nh\u1ea5t cho m\u1ee5c \u0111\u00edch c\u1ea5u tr\u00fac l\u00e0 g\u00ec?<\/strong>
    \n\u0110\u1ec3 \u0111\u1ea1t l\u1ef1c r\u00fat v\u00e0 l\u1ef1c c\u1eaft t\u1ed1i \u0111a: s\u1eed d\u1ee5ng v\u00edt th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, lo\u1ea1i th\u00e9p h\u1ee3p kim c\u1ee9ng, \u0111\u1ea7u v\u00edt d\u1ea1ng 17, ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u d\u00e0y \u0111\u1eb7c, \u0111\u1ea7u Torx, v\u00e0 ch\u1ecdn k\u00edch c\u1ee1 l\u1edbn h\u01a1n m\u1ed9t s\u1ed1 so v\u1edbi ti\u00eau chu\u1ea9n c\u1ee7a b\u1ea1n. Khoan tr\u01b0\u1edbc \u1edf 80% \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t. \u0110\u1eb7t \u0111\u1ea7u v\u00edt ph\u1eb3ng v\u1edbi b\u1ec1 m\u1eb7t; \u0111\u00f3ng qu\u00e1 s\u00e2u l\u00e0m n\u00e1t s\u1ee3i v\u00e0 gi\u1ea3m l\u1ef1c k\u1eb9p. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i khung g\u1ed7 ho\u1eb7c c\u1ea5u tr\u00fac n\u1eb7ng, tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n v\u00edt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1edfi ICC thay v\u00ec \u01b0\u1edbc l\u01b0\u1ee3ng kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u00ean th\u1ef1c \u0111\u1ecba.<\/p>\n

    V\u00edt khoan g\u1ed7 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 b\u1ecb h\u00fat t\u1eeb kh\u00f4ng?<\/strong>
    \nTh\u00e9p kh\u00f4ng g\u1ec9 304 y\u1ebfu c\u00f3 t\u00ednh t\u1eeb t\u00ednh trong tr\u1ea1ng th\u00e1i c\u1ee9ng r\u1eafn, v\u00ec v\u1eady d\u1ee5ng c\u1ee5 gi\u1eef v\u00edt t\u1eeb t\u00ednh s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c, nh\u01b0ng kh\u00f4ng m\u1ea1nh m\u1ebd. Th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f2n \u00edt t\u1eeb t\u00ednh h\u01a1n. \u0110i\u1ec1u n\u00e0y hi\u1ebfm khi g\u00e2y ra v\u1ea5n \u0111\u1ec1 v\u1edbi d\u1ee5ng c\u1ee5 gi\u1eef v\u00edt t\u1eeb t\u00ednh, nh\u01b0ng n\u1ebfu b\u1ea1n d\u1ef1a v\u00e0o d\u1ea3i c\u1ea5p v\u00edt t\u1eeb t\u00ednh \u0111\u1ec3 gi\u1eef v\u00edt trong h\u01b0\u1edbng d\u1eabn khoan, v\u00edt th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea5p \u0111\u1ec1u nh\u01b0 th\u00e9p carbon. Ki\u1ec3m tra thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t.<\/p>\n

    \"\u1ed1c<\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    V\u00edt khoan g\u1ed7 kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i h\u1ea5p d\u1eabn, nh\u01b0ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p t\u1ea1o ra m\u1ed1i n\u1ed1i v\u1eefng ch\u1eafc, c\u00f2n sai s\u00f3t s\u1ebd l\u00e0m h\u1ecfng m\u1ed1i n\u1ed1i \u0111\u00f3. C\u00e1c quy\u1ebft \u0111\u1ecbnh r\u1ea5t \u0111\u01a1n gi\u1ea3n khi b\u1ea1n hi\u1ec3u c\u00e1c bi\u1ebfn s\u1ed1: Lo\u1ea1i AB cho c\u00f4ng vi\u1ec7c g\u1ed7 gh\u00e9p g\u1ed7 chung, t\u1ef1 khoan cho kim lo\u1ea1i, Lo\u1ea1i 17 cho v\u1eadt li\u1ec7u composite d\u00e0y \u0111\u1eb7c. Th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c ph\u1ee7 ceramic cho c\u00e1c v\u1eadt d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c g\u1ed7 x\u1eed l\u00fd. D\u00f9ng \u0111\u1ea7u Torx khi \u0111\u00f3ng nhi\u1ec1u v\u00edt c\u00f9ng l\u00fac.<\/p>\n

    Chi ph\u00ed \u0111\u1ec3 ch\u1ecdn \u0111\u00fang th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u1ec9 v\u00e0i xu m\u1ed7i v\u00edt. Sai s\u00f3t c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t b\u00e0n g\u1ed7 c\u1ee9ng $200, l\u00e0m v\u00e1n s\u00e0n b\u1ecb cong v\u00eanh, ho\u1eb7c ph\u1ea3i x\u00e2y d\u1ef1ng l\u1ea1i m\u1ed1i n\u1ed1i kh\u00f4ng \u0111\u1ee7 ren \u0111\u1ec3 b\u1eaft ch\u1eb7t ban \u0111\u1ea7u. \u0110\u1ed1i v\u1edbi nhu c\u1ea7u d\u1ef1 \u00e1n s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00edt khoan g\u1ed7<\/a>, c\u00e1c c\u1ea5u h\u00ecnh s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00f3 s\u1eb5n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p cho thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng. Ph\u00f9 h\u1ee3p v\u00edt v\u1edbi v\u1eadt li\u1ec7u, khoan tr\u01b0\u1edbc khi c\u00f3 nghi ng\u1edd, v\u00e0 \u0111\u1ec3 ren l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3.<\/p>\n

    B\u00e0i vi\u1ebft li\u00ean quan<\/h2>\n
    \n

    H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 v\u00edt t\u1ef1 khoan<\/a><\/p>\n

    Danh m\u1ee5c v\u00edt s\u1ea3n xu\u1ea5t: V\u1eadt t\u01b0 c\u1ed1 \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/a><\/p>\n

    B\u1ea3ng k\u00edch th\u01b0\u1edbc v\u00edt: Tham kh\u1ea3o v\u1ec1 c\u1ee1, chi\u1ec1u d\u00e0i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh<\/a><\/p>\n

    V\u00edt cho s\u00e0n deck v\u00e0 v\u00edt g\u1ed7: B\u1ea1n c\u1ea7n lo\u1ea1i n\u00e0o?<\/a><\/p>\n

    V\u00edt th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng ngo\u00e0i tr\u1eddi v\u00e0 cho bi\u1ec3n<\/a><\/p>\n

    H\u01b0\u1edbng d\u1eabn ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u1ed7 khoan cho v\u00edt g\u1ed7<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u1ed1c v\u00edt khoan g\u1ed7 bao g\u1ed3m m\u1ecdi lo\u1ea1i (A, AB, Lo\u1ea1i 17, t\u1ef1 khoan), b\u1ea3ng k\u00edch th\u01b0\u1edbc, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7, c\u00f9ng k\u1ef9 thu\u1eadt l\u1eafp \u0111\u1eb7t t\u1eebng b\u01b0\u1edbc cho c\u00e1c \u1ee9ng d\u1ee5ng g\u1ed7 c\u1ee9ng v\u00e0 m\u1ec1m.<\/p>","protected":false},"author":1,"featured_media":4920,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-screws-flange-tutorial"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/4924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/comments?post=4924"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/4924\/revisions"}],"predecessor-version":[{"id":4925,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/4924\/revisions\/4925"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/4920"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=4924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=4924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=4924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}