{"id":4122,"date":"2017-08-06T08:00:12","date_gmt":"2017-08-05T23:00:12","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=4122"},"modified":"2026-05-16T22:54:58","modified_gmt":"2026-05-16T13:54:58","slug":"cac-ly-do-lua-chon-duong-kinh-khoan","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/drilling-diameter-selection-reasons\/","title":{"rendered":"L\u00fd do l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan v\u00e0 vi\u1ec7c thay \u0111\u1ed5i | C\u00e1ch s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p c\u00e1c k\u00edch th\u01b0\u1edbc 45\/50\/65mm"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

T\u1eeb m\u1ea5y ng\u00e0y nay, kh\u00f4ng hi\u1ec3u sao,T\u00e2m tr\u1ea1ng \u0111ang xu\u1ed1ng d\u1ed1c \u2193\u2193\u2193 w<\/span><\/strong><\/span><\/p>\n

C\u00f3 l\u00fac t\u1ed1t, c\u0169ng c\u00f3 l\u00fac x\u1ea5u.<\/p>\n

T\u00f4i mong r\u1eb1ng ngay c\u1ea3 trong nh\u1eefng l\u00fac nh\u01b0 th\u1ebf, m\u00ecnh v\u1eabn c\u00f3 th\u1ec3 ng\u1ea9ng cao \u0111\u1ea7u b\u01b0\u1edbc ti\u1ebfp.<\/p>\n

\"\"<\/p>\n

\n

Th\u00f4i, quay l\u1ea1i ch\u1ee7 \u0111\u1ec1 ch\u00ednh<\/p>\n

T\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c h\u1ecfi: \u201c\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi y\u1ebfu t\u1ed1 n\u00e0o?\u201d<\/p>\n

V\u00ec v\u1eady, t\u00f4i s\u1ebd th\u1eed vi\u1ebft v\u1ec1 l\u00fd do t\u1ea1i sao l\u1ea1i quy\u1ebft \u0111\u1ecbnh nh\u01b0 v\u1eady.<\/p>\n

\"\"<\/p>\n

C\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan<\/h3>\n

45 mm: Khoan th\u1ee7 c\u00f4ng b\u1eb1ng b\u00faa khoan ho\u1eb7c m\u00e1y khoan \u0111\u00e1 (\u0110i\u1ec1u ki\u1ec7n c\u00f4ng tr\u01b0\u1eddng lo\u1ea1i III)<\/p>\n

45\u30fb50\u30fb65 mm: Bu l\u00f4ng t\u1ef1 khoan \u2013 \u00c1p d\u1ee5ng cho c\u1ea3 thao t\u00e1c b\u1eb1ng tay v\u00e0 b\u1eb1ng m\u00e1y (\u0110i\u1ec1u ki\u1ec7n c\u00f4ng tr\u01b0\u1eddng III)<\/p>\n

65 mm: Lo\u1ea1i treo\u30fbLo\u1ea1i tr\u01b0\u1ee3t (\u0110i\u1ec1u ki\u1ec7n c\u00f4ng tr\u01b0\u1eddng I\u30fbII)<\/p>\n

90 mm: Khoan \u1ed1ng k\u00e9p, ki\u1ec3u tr\u01b0\u1ee3t \u00b7 (kh\u00f4ng bao g\u1ed3m gi\u00e1 \u0111\u01a1n v\u1ecb tr\u00ean th\u1ecb tr\u01b0\u1eddng)<\/p>\n

115 mm: Khoan \u1ed1ng k\u00e9p \u2013 Trong tr\u01b0\u1eddng h\u1ee3p thanh th\u00e9p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D29 tr\u1edf l\u00ean (kh\u00f4ng \u00e1p d\u1ee5ng gi\u00e1 th\u1ecb tr\u01b0\u1eddng)<\/p>\n

N\u00f3i chung l\u00e0 nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n

\u203bPh\u01b0\u01a1ng ph\u00e1p skid c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ed1 \u0111\u1ecbnh, t\u1ee9c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1ng gi\u00e0n gi\u00e1o r\u1ed3i \u0111\u1eb7t thi\u1ebft b\u1ecb l\u00ean \u0111\u00f3 \u0111\u1ec3 thi c\u00f4ng.<\/p>\n

L\u00fd do l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan<\/h3>\n

Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1eddng k\u00ednh 45 mm<\/span><\/p>\n

Th\u00f4ng th\u01b0\u1eddng th\u00ec s\u1ebd ph\u1ea3i \u0111\u00e0o b\u1eb1ng tay v\u00e0 khoan th\u1ee7 c\u00f4ng, nh\u01b0ng \u0111\u00e2y l\u00e0 khu \u0111\u1ea5t h\u1eb9p.<\/p>\n

\u0110\u1ed1i v\u1edbi nh\u1eefng khu \u0111\u1ea5t d\u1ed1c \u0111\u1ee9ng c\u0169ng v\u1eady. L\u00fd do l\u00e0 v\u00ec n\u1ebfu ngay ph\u00eda sau c\u00f3 nh\u00e0 d\u00e2n li\u1ec1n k\u1ec1 th\u00ec kh\u00f4ng th\u1ec3 \u0111\u01b0a m\u00e1y m\u00f3c v\u00e0o \u0111\u01b0\u1ee3c.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p bu-l\u00f4ng neo t\u1ef1 khoan 45, 50 v\u00e0 65 mm<\/span><\/p>\n

C\u0169ng gi\u1ed1ng nh\u01b0 tr\u01b0\u1eddng h\u1ee3p n\u00eau tr\u00ean, trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00e0o b\u1eb1ng tay th\u00ec \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e0o theo ki\u1ec3u tr\u01b0\u1ee3t tr\u00ean di\u1ec7n t\u00edch h\u1eb9p; c\u00f2n trong tr\u01b0\u1eddng h\u1ee3p khoan b\u1eb1ng m\u00e1y treo ho\u1eb7c m\u00e1y khoan ki\u1ec3u tr\u01b0\u1ee3t khi th\u00e0nh l\u1ed7 khoan tr\u00ean n\u1ec1n \u0111\u1ea5t t\u1ef1 nhi\u00ean kh\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ee9ng v\u1eefng<\/p>\n

Tuy nhi\u00ean, do l\u00fd do l\u00e0 kh\u00f4ng th\u1ec3 t\u1ea1o ra l\u1edbp n\u1ec1n v\u1eefng ch\u1eafc khi b\u01a1m v\u1eefa n\u00ean hi\u1ec7n nay \u0111\u00e3 chuy\u1ec3n sang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u1ed1ng k\u00e9p.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p 65 mm<\/span><\/p>\n

\u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 c\u00e1c m\u1ecf \u0111\u00e1 khoan c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ee9ng v\u1eefng v\u00e0 th\u00e0nh h\u1ed1 khoan kh\u00f4ng b\u1ecb s\u1ee5p \u0111\u1ed5<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p 90 mm<\/span><\/p>\n

\u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 nh\u1eefng ph\u1ea7n \u0111\u1ea5t sau khi khoan kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ee9ng v\u1eefng v\u00e0 d\u1ef1 ki\u1ebfn s\u1ebd kh\u00f3 ho\u1eb7c kh\u00f4ng th\u1ec3 c\u1eafm c\u1ed1t th\u00e9p v\u00e0o<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p 115 mm<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed s\u1eed d\u1ee5ng bu-l\u00f4ng neo \u0111\u1eb7c bi\u1ec7t, c\u00f3 \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p ch\u00e8n t\u1eeb D29 tr\u1edf l\u00ean v\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng kh\u1edbp n\u1ed1i<\/p>\n

Cu\u1ed1i c\u00f9ng th\u00ec h\u1ea7u h\u1ebft \u0111\u1ec1u l\u00e0 do kh\u00f4ng l\u1eafp \u0111\u01b0\u1ee3c b\u1ed9 n\u1ed1i.<\/p>\n

N\u1ebfu hi\u1ec3u \u0111\u01b0\u1ee3c l\u00fd do l\u1ef1a ch\u1ecdn th\u00ec s\u1ebd d\u1ec5 d\u00e0ng thay \u0111\u1ed5i thi\u1ebft k\u1ebf h\u01a1n<\/h3>\n

Khi hi\u1ec3u \u0111\u01b0\u1ee3c l\u00fd do thi\u1ebft k\u1ebf, b\u1ea1n s\u1ebd nh\u1eadn ra r\u1eb1ng vi\u1ec7c thay \u0111\u1ed5i thi\u1ebft k\u1ebf c\u0169ng d\u1ec5 d\u00e0ng h\u01a1n b\u1ea1n t\u01b0\u1edfng.<\/p>\n

V\u00ed d\u1ee5, n\u1ebfu ngay t\u1eeb \u0111\u1ea7u \u0111\u00e3 bi\u1ebft r\u1eb1ng d\u00f9 c\u00f3 khoan l\u1ed7 \u0111i ch\u0103ng n\u1eefa th\u00ec n\u1ec1n \u0111\u1ea5t c\u0169ng s\u1ebd s\u1ee5p \u0111\u1ed5 n\u00ean kh\u00f4ng th\u1ec3 l\u1eafp bu-l\u00f4ng \u0111\u01b0\u1ee3c, th\u00ec,<\/p>\n

Th\u1ef1c hi\u1ec7n thi c\u00f4ng th\u1eed nghi\u1ec7m v\u00e0 ti\u1ebfn h\u00e0nh \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n

V\u00e0 khi thay \u0111\u1ed5i t\u1eeb 65 mm sang 90 mm, do \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan thay \u0111\u1ed5i n\u00ean di\u1ec7n t\u00edch ma s\u00e1t b\u1ec1 m\u1eb7t s\u1ebd t\u0103ng l\u00ean.<\/p>\n

Vi\u1ec7c c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c nhi\u1ec1u ma s\u00e1t \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c th\u1eddi gian th\u1ef1c hi\u1ec7n s\u1ebd ng\u1eafn h\u01a1n.<\/p>\n

Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111i\u1ec1u n\u00e0y s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 r\u1ec5 \u0111\u00e3 b\u00e1m s\u00e2u v\u00e0o kh\u1ed1i \u0111\u1ea5t kh\u00f4ng di chuy\u1ec3n \u0111\u01b0\u1ee3c.<\/p>\n

Khi thay \u0111\u1ed5i thi\u1ebft k\u1ebf, vui l\u00f2ng nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i ti\u1ebfn h\u00e0nh t\u00ednh to\u00e1n l\u1ea1i.<\/p>\n

H\u01a1n n\u1eefa, v\u00ec n\u00f3 kh\u00e1c v\u1edbi anchor n\u00ean c\u0169ng kh\u00f4ng \u0111\u1ebfn n\u1ed7i ng\u1eafn \u0111i qu\u00e1 nhi\u1ec1u.<\/p>\n

\"\"<\/p>\n

Th\u1ef1c hi\u1ec7n thi c\u00f4ng th\u1eed nghi\u1ec7m theo thi\u1ebft k\u1ebf \u2192 Ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn d\u01b0\u1edbi s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a c\u01a1 quan ch\u1ee9c n\u0103ng \u2192 N\u1ed9p v\u0103n b\u1ea3n th\u1ecfa thu\u1eadn v\u1ec1 l\u00fd do \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf \u2192 N\u1ed9p b\u1ea3n t\u00ednh to\u00e1n chi ph\u00ed v\u00e0 b\u1ea3ng kh\u1ed1i l\u01b0\u1ee3ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf \u2192 \u0110i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf<\/span><\/strong><\/span><\/p>\n

\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh \u0111\u1ea1i di\u1ec7n cho \u00fd t\u01b0\u1edfng \u0111\u00f3.<\/p>\n

N\u1ebfu g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c t\u00ednh to\u00e1n, xin h\u00e3y li\u00ean h\u1ec7 v\u1edbi t\u00f4i. C\u00f3 th\u1ec3 t\u00f4i s\u1ebd gi\u00fap \u0111\u01b0\u1ee3c g\u00ec \u0111\u00f3.<\/p>\n

D\u00f9 sao th\u00ec, n\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi ph\u1ea7n m\u1ec1m c\u1ee7a \u201cN\u0103m d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n l\u1edbn\u201d m\u00e0 www<\/p>\n

Nh\u1eefng th\u1ee9 c\u1ea7n thi\u1ebft trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3 l\u00e0 b\u1ed9 b\u1ea3n v\u1ebd (d\u1eef li\u1ec7u) v\u00e0 b\u00e1o c\u00e1o t\u00ednh to\u00e1n thi\u1ebft k\u1ebf.<\/p>\n

C\u00e1ch t\u00ednh t\u1ed5ng c\u00f3 th\u1ec3 l\u00e0 c\u00e1ch n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c.<\/p>\n

 <\/p>\n

H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n

\n

Khu\u00f4n l\u00f5i<\/span><\/strong><\/span><\/a><\/p>\n

G\u1ee3i \u00fd v\u1ec1 b\u00e0n ch\u01a1i c\u1edd vua<\/span><\/a><\/span><\/strong><\/span><\/p>\n

S\u1ea3n xu\u1ea5t v\u00e0 ph\u00e2n ph\u1ed1i: X\u01b0\u1edfng s\u1ea3n xu\u1ea5t Wakazono<\/span><\/span><\/strong><\/span><\/a><\/p>\n

K\u1eb9p v\u00edt, mi\u1ebfng \u0111\u1ec7m k\u1eb9p, mi\u1ebfng \u0111\u1ec7m ph\u1ee7 xanh
\n Th\u00f4ng tin li\u00ean h\u1ec7 v\u00e0 c\u00e1c \u0111\u1ea1i l\u00fd b\u00e1n h\u00e0ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y.<\/strong><\/h3>\n

C\u00f4ng ty C\u1ed5 ph\u1ea7n Khoa h\u1ecdc \u1ee8ng d\u1ee5ng T\u1ef1 nhi\u00ean<\/span><\/span>
\n <\/a><\/strong>(Nh\u00f3m V\u1eadt li\u1ec7u ph\u1ee7 xanh s\u01b0\u1eddn d\u1ed1c)
\n \u0110T: 052-212-1441<\/p>\n

C\u00f4ng ty C\u1ed5 ph\u1ea7n L\u01b0\u1edbi th\u00e9p Koiwa<\/span><\/a><\/strong><\/span><\/span>
\n (Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi Chi nh\u00e1nh Chubu)
\n \u0110T: 0568-75-7710<\/p>\n

C\u00f4ng ty C\u1ed5 ph\u1ea7n Showa<\/span><\/span><\/a><\/span><\/strong><\/span>
\n (T\u1ec9nh Kagoshima)
\n \u0110T: 099-296-1234<\/p>\n

C\u00f4ng ty C\u1ed5 ph\u1ea7n Fujiwara Sangyo<\/span><\/a><\/span><\/strong>
\n (Ch\u1ec9 \u00e1p d\u1ee5ng cho thang \u0111o Bolt)
\n \u0110T: 06-6683-0797<\/p>\n

C\u00f4ng ty C\u1ed5 ph\u1ea7n Ura-Tsuji Sangyo
\n <\/span><\/a><\/span><\/strong>(T\u1ec9nh Shimane)
\n \u0110T: 0852-24-6881<\/p>","protected":false},"excerpt":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. M\u00ecnh l\u00e0 Enta \u0111\u00e2y. T\u1eeb m\u1ea5y ng\u00e0y nay, t\u00e2m tr\u1ea1ng m\u00ecnh c\u1ee9 xu\u1ed1ng d\u1ed1c \u2193\u2193\u2193 v\u1eady (c\u01b0\u1eddi). C\u00f3 l\u00fac t\u1ed1t, c\u0169ng c\u00f3 l\u00fac x\u1ea5u. M\u00ecnh mu\u1ed1n d\u00f9 trong nh\u1eefng l\u00fac nh\u01b0 th\u1ebf v\u1eabn c\u00f3 th\u1ec3 ng\u1ea9ng cao \u0111\u1ea7u ti\u1ebfn v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Th\u00f4i, quay l\u1ea1i ch\u1ee7 \u0111\u1ec1 ch\u00ednh. C\u00f3 ng\u01b0\u1eddi h\u1ecfi m\u00ecnh: \u201c\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi y\u1ebfu t\u1ed1 n\u00e0o v\u1eady?\u201d. V\u00ec v\u1eady, m\u00ecnh s\u1ebd vi\u1ebft v\u1ec1 l\u00fd do t\u1ea1i sao n\u00f3 l\u1ea1i \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh nh\u01b0 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