{"id":5839,"date":"2025-12-25T03:06:16","date_gmt":"2025-12-25T03:06:16","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5839"},"modified":"2025-12-25T03:06:16","modified_gmt":"2025-12-25T03:06:16","slug":"iso-7380-button-head-hex-socket-screws-specs","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/iso-7380-button-head-hex-socket-screws-specs\/","title":{"rendered":"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00edt l\u1ee5c gi\u00e1c \u0111\u1ea7u tr\u00f2n ISO 7380"},"content":{"rendered":"
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Gi\u1edbi thi\u1ec7u v\u1ec1 \u1ed1c v\u00edt l\u1ee5c gi\u00e1c \u0111\u1ea7u tr\u00f2n ti\u00eau chu\u1ea9n ISO 7380<\/h2>\n<\/div>\n
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Ti\u00eau chu\u1ea9n ISO 7380 quy \u0111\u1ecbnh lo\u1ea1i v\u00edt \u0111\u1ea7u tr\u00f2n c\u00f3 l\u1ed7 l\u1ee5c gi\u00e1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p c\u01a1 kh\u00ed c\u1ea7n c\u00f3 b\u1ec1 m\u1eb7t ph\u1eb3ng v\u00e0 \u0111\u1eb9p m\u1eaft. Lo\u1ea1i v\u00edt n\u00e0y c\u00f3 \u0111\u1ea7u h\u00ecnh v\u00f2m v\u1edbi di\u1ec7n t\u00edch ti\u1ebfp x\u00fac l\u1edbn h\u01a1n so v\u1edbi v\u00edt \u0111\u1ea7u tr\u00f2n ti\u00eau chu\u1ea9n, gi\u00fap ph\u00e2n b\u1ed5 l\u1ef1c k\u1eb9p \u0111\u1ec1u h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t. Trong thu\u1eadt ng\u1eef c\u00f4ng nghi\u1ec7p, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00edt \u0111\u1ea7u b\u00e1n nguy\u1ec7t ho\u1eb7c v\u00edt \u0111\u1ea7u h\u00ecnh n\u1ea5m c\u00f3 l\u1ed7 l\u1ee5c gi\u00e1c.<\/p>\n

Thi\u1ebft k\u1ebf n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn thanh nh\u00f4m \u0111\u1ecbnh h\u00ecnh, khung m\u00e1y m\u00f3c v\u00e0 v\u1ecf thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, n\u01a1i c\u00e1c l\u1ed7 \u0111\u01b0\u1ee3c ren s\u1eb5n v\u00e0 c\u00e1c chi ti\u1ebft \u0111\u01b0\u1ee3c kho\u00e9t l\u00f5m l\u00e0 ph\u1ed5 bi\u1ebfn. Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, c\u1ea7n ph\u1ea3i t\u1ea1o ren v\u00e0 khoan l\u1ed7 d\u1eabn h\u01b0\u1edbng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u v\u00edt. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o vi\u1ec7c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn m\u00e0 kh\u00f4ng b\u1ecb nh\u00f4 ra ngo\u00e0i, duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac v\u00e0 v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9.<\/p>\n

T\u1eeb g\u00f3c \u0111\u1ed9 chuy\u00ean m\u00f4n, c\u00e1c lo\u1ea1i \u1ed1c v\u00edt n\u00e0y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, mang l\u1ea1i \u0111\u1ed9 tin c\u1eady trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00e8n ngu\u1ed9i gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. C\u00e1c k\u1ef9 s\u01b0 n\u00ean xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u v\u00e0 y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng khi l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i \u1ed1c v\u00edt n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n

<\/div>\n<\/div>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf<\/h2>\n
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Ti\u00eau chu\u1ea9n ISO 7380 quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi v\u00edt \u0111\u1ea7u tr\u00f2n c\u00f3 r\u00e3nh l\u1ee5c gi\u00e1c b\u00ean trong, bao g\u1ed3m k\u00edch th\u01b0\u1edbc, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 dung sai. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau gi\u1eefa c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, v\u1edbi thi\u1ebft k\u1ebf \u0111\u1ea7u v\u00edt cung c\u1ea5p di\u1ec7n t\u00edch ti\u1ebfp x\u00fac r\u1ed9ng h\u01a1n \u0111\u1ec3 ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng t\u1ed1t h\u01a1n. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m h\u00ecnh d\u1ea1ng cong c\u1ee7a \u0111\u1ea7u v\u00edt, gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, v\u00e0 r\u00e3nh l\u1ee5c gi\u00e1c \u0111\u1ec3 si\u1ebft ch\u1eb7t hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u1edd l\u00ea l\u1ee5c gi\u00e1c.<\/p>\n

So v\u1edbi c\u00e1c lo\u1ea1i v\u00edt l\u1ee5c gi\u00e1c kh\u00e1c nh\u01b0 ISO 4762 (\u0111\u1ea7u tr\u1ee5), ISO 7380 c\u00f3 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn h\u01a1n, l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u1ee5m l\u1eafp r\u00e1p c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf. V\u00edt c\u00f3 s\u1eb5n v\u1edbi ren h\u1ec7 m\u00e9t t\u1eeb M3 \u0111\u1ebfn M16, b\u01b0\u1edbc ren tu\u00e2n theo ti\u00eau chu\u1ea9n ISO 261. H\u01b0\u1edbng d\u1eabn chuy\u00ean nghi\u1ec7p: L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean t\u1ea3i tr\u1ecdng c\u1eaft v\u00e0 t\u1ea3i tr\u1ecdng k\u00e9o; \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u00f4m, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u00e2u \u0103n kh\u1edbp ren l\u1edbn h\u01a1n 1,5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ec3 tr\u00e1nh b\u1ecb tr\u1eddn ren.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi thi\u1ebft k\u1ebf bao g\u1ed3m \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea7u (E), chi\u1ec1u cao (A), k\u00edch th\u01b0\u1edbc \u1ed5 c\u1eafm (D) v\u00e0 b\u00e1n k\u00ednh bo tr\u00f2n (F), t\u1ea5t c\u1ea3 \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a d\u1ee5ng c\u1ee5. C\u00e1c y\u1ebfu t\u1ed1 n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng DIN 7380, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c t\u00ecm ngu\u1ed3n cung \u1ee9ng to\u00e0n c\u1ea7u.<\/p>\n

<\/div>\n<\/div>\n

D\u1eef li\u1ec7u k\u00edch th\u01b0\u1edbc v\u00e0 dung sai<\/h2>\n
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B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n c\u1ee7a v\u00edt l\u1ee5c gi\u00e1c \u0111\u1ea7u tr\u00f2n ISO 7380, t\u00ednh b\u1eb1ng milim\u00e9t, d\u1ef1a tr\u00ean \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a t\u1eeb M3 \u0111\u1ebfn M16. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 l\u1eafp r\u00e1p v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh x\u00e1c, v\u1edbi dung sai theo ti\u00eau chu\u1ea9n ISO 965 cho ren v\u00e0 ISO 4759 cho k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a<\/th>\nS\u00e2n b\u00f3ng \u0111\u00e1<\/th>\nE (\u0110\u01b0\u1eddng k\u00ednh \u0111\u1ea7u)<\/th>\nA (Chi\u1ec1u cao \u0111\u1ea7u)<\/th>\nD (K\u00edch th\u01b0\u1edbc \u1ed5 c\u1eafm)<\/th>\nF (B\u00e1n k\u00ednh bo tr\u00f2n t\u1ed1i thi\u1ec3u)<\/th>\nChi\u1ec1u d\u00e0i B<\/th>\n<\/tr>\n
<\/th>\n<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\nt\u1ed1i \u0111a<\/th>\nph\u00fat<\/th>\n<\/th>\n<\/th>\n<\/tr>\n<\/thead>\n
M3<\/td>\n0.5<\/td>\n5.7<\/td>\n5.4<\/td>\n1.65<\/td>\n1.4<\/td>\n2.045<\/td>\n2.02<\/td>\n1.04<\/td>\n6-40<\/td>\n<\/tr>\n
M4<\/td>\n0.7<\/td>\n7.6<\/td>\n7.24<\/td>\n2.2<\/td>\n1.95<\/td>\n2.56<\/td>\n2.52<\/td>\n1.3<\/td>\n6-40<\/td>\n<\/tr>\n
M5<\/td>\n0.8<\/td>\n9.5<\/td>\n9.14<\/td>\n2.75<\/td>\n2.5<\/td>\n3.071<\/td>\n3.02<\/td>\n1.56<\/td>\n8-60<\/td>\n<\/tr>\n
M6<\/td>\n1<\/td>\n10.5<\/td>\n10.07<\/td>\n3.3<\/td>\n3<\/td>\n4.084<\/td>\n4.02<\/td>\n2.08<\/td>\n10-60<\/td>\n<\/tr>\n
M8<\/td>\n1.25<\/td>\n14<\/td>\n13.57<\/td>\n4.4<\/td>\n4.1<\/td>\n5.084<\/td>\n5.02<\/td>\n2.6<\/td>\n12-100<\/td>\n<\/tr>\n
M10<\/td>\n1.5<\/td>\n17.5<\/td>\n17.07<\/td>\n5.5<\/td>\n5.2<\/td>\n6.095<\/td>\n6.02<\/td>\n3.12<\/td>\n16-100<\/td>\n<\/tr>\n
M12<\/td>\n1.75<\/td>\n21<\/td>\n20.48<\/td>\n6.6<\/td>\n6.24<\/td>\n8.115<\/td>\n8.025<\/td>\n4.16<\/td>\n20-100<\/td>\n<\/tr>\n
M16<\/td>\n2<\/td>\n28<\/td>\n27.48<\/td>\n8.8<\/td>\n8.44<\/td>\n10.115<\/td>\n10.025<\/td>\n5.2<\/td>\n30-100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c. Dung sai \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea7u th\u01b0\u1eddng l\u00e0 +0\/-0,3 mm, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c l\u1ed7 v\u00e1t. Chi\u1ec1u d\u00e0i \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh, v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh. H\u01b0\u1edbng d\u1eabn: \u0110o ch\u00ednh x\u00e1c \u0111\u1ed9 s\u00e2u l\u1ed7 gh\u00e9p n\u1ed1i \u0111\u1ec3 tr\u00e1nh ch\u1ea1m \u0111\u00e1y v\u00e0 s\u1eed d\u1ee5ng th\u01b0\u1edbc k\u1eb9p \u0111\u1ec3 ki\u1ec3m tra nh\u1eb1m duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p theo ti\u00eau chu\u1ea9n ISO.<\/p>\n<\/div>\n

Th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u<\/h2>\n
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\u1ed0c v\u00edt theo ti\u00eau chu\u1ea9n ISO 7380 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bth\u00e9p kh\u00f4ng g\u1ec9 austenit nh\u01b0 SUS304 (AISI 304) v\u00e0 SUS316 (AISI 316), c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao. B\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a ch\u00fang theo t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m, d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n ASTM A276 v\u00e0 JIS G4303:<\/p>\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/th>\nTh\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (%)<\/th>\n<\/tr>\n
C (Carbon)<\/th>\nMn (Mangan)<\/th>\nSi (Silic)<\/th>\nP (Ph\u1ed1t pho)<\/th>\nS (L\u01b0u hu\u1ef3nh)<\/th>\nNi (Nickel)<\/th>\nMo (Molypden)<\/th>\nCr (Crom)<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e9p kh\u00f4ng g\u1ec9 SUS304<\/td>\n\u22640,08<\/td>\n\u22642,00<\/td>\n\u22641,00<\/td>\n\u22640,045<\/td>\n\u22640,03<\/td>\n8.00-11.00<\/td>\n–<\/td>\n17.00-19.00<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 SUS316<\/td>\n\u22640,08<\/td>\n\u22642,00<\/td>\n\u22641,00<\/td>\n\u22640,045<\/td>\n\u22640,03<\/td>\n10.00-14.00<\/td>\n2.00-3.00<\/td>\n16.00-18.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Th\u00e9p kh\u00f4ng g\u1ec9 SUS304 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u1ea1o h\u00ecnh t\u1ed1t, ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n nh\u1eb9. Th\u00e9p kh\u00f4ng g\u1ec9 SUS316 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u01b0\u1ee3t tr\u1ed9i nh\u1edd molypden, l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t. C\u00e1c \u0111\u1eb7c t\u00ednh bao g\u1ed3m \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1eeb 500-700 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i A2-70 (SUS304) v\u00e0 700-900 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i A4-80 (SUS316), theo ti\u00eau chu\u1ea9n ISO 3506. H\u01b0\u1edbng d\u1eabn: \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi, n\u00ean ch\u1ecdn SUS316 \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd; lu\u00f4n ki\u1ec3m tra b\u1eb1ng th\u1eed nghi\u1ec7m phun mu\u1ed1i (ASTM B117) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/div>\n

Ti\u00eau chu\u1ea9n v\u1ec1 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 m\u00f4-men xo\u1eafn<\/h2>\n
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T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u00edt ISO 7380 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi ti\u00eau chu\u1ea9n ISO 898-1 v\u1ec1 c\u1ea5p \u0111\u1ed9 b\u1ec1n, th\u01b0\u1eddng l\u00e0 10.9 \u0111\u1ed1i v\u1edbi th\u00e9p h\u1ee3p kim ho\u1eb7c A2-70\/A4-70 \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n ch\u1ea3y t\u1ed1i thi\u1ec3u l\u00e0 940 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i 10.9 v\u00e0 450 MPa \u0111\u1ed1i v\u1edbi lo\u1ea1i A2-70, v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u01b0\u1ee3t qu\u00e1 9% \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c t\u00e1c \u0111\u1ed9ng.<\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 m\u00f4-men xo\u1eafn khuy\u1ebfn ngh\u1ecb t\u1ea3i tr\u1ecdng ch\u1ecbu \u0111\u1ef1ng v\u00e0 m\u00f4-men xo\u1eafn si\u1ebft ch\u1eb7t \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng. V\u00ed d\u1ee5, v\u00edt M6 trong th\u00e9p A2-70 y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn kh\u00f4 8,9 Nm, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh trong \u0111i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n. Bi\u1ec3u \u0111\u1ed3 hi\u1ec7u su\u1ea5t cho bi\u1ebft m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1, v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb t\u0103ng theo \u0111\u01b0\u1eddng k\u00ednh: M3 \u1edf m\u1ee9c 1,3 Nm, \u0111\u1ebfn M16 \u1edf m\u1ee9c 130 Nm.<\/p>\n

H\u01b0\u1edbng d\u1eabn: S\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c \u0111\u00e3 hi\u1ec7u chu\u1ea9n v\u00e0 b\u00f4i ch\u1ea5t ch\u1ed1ng k\u1eb9t cho th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 tr\u00e1nh b\u1ecb m\u00e0i m\u00f2n. Trong m\u00f4i tr\u01b0\u1eddng d\u1ec5 b\u1ecb rung \u0111\u1ed9ng, h\u00e3y t\u00edch h\u1ee3p c\u00e1c chi ti\u1ebft kh\u00f3a theo ti\u00eau chu\u1ea9n DIN 25201 \u0111\u1ec3 duy tr\u00ec l\u1ef1c si\u1ebft tr\u01b0\u1edbc.<\/p>\n<\/div>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n
\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p d\u1eadp ngu\u1ed9i, trong \u0111\u00f3 d\u00e2y \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh th\u00e0nh \u0111\u1ea7u v\u00e0 th\u00e2n khuy \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, sau \u0111\u00f3 c\u00e1n ren \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng c\u1ea5u tr\u00fac h\u1ea1t, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi theo ti\u00eau chu\u1ea9n ISO 16426. X\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 h\u1ee3p kim \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng mong mu\u1ed1n (33-39 HRC \u0111\u1ed1i v\u1edbi lo\u1ea1i 10.9).<\/p>\n

\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng bao g\u1ed3m ki\u1ec3m tra k\u00edch th\u01b0\u1edbc b\u1eb1ng th\u01b0\u1edbc \u0111o micromet, ki\u1ec3m tra ren theo ti\u00eau chu\u1ea9n ISO 1502 v\u00e0 ki\u1ec3m tra \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t (Ra \u2264 1,6 \u03bcm). Ki\u1ec3m tra theo l\u00f4 bao g\u1ed3m ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng theo ti\u00eau chu\u1ea9n ISO 6892, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n. H\u01b0\u1edbng d\u1eabn: Y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn ISO 9001 t\u1eeb nh\u00e0 cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u b\u00e1o c\u00e1o ki\u1ec3m tra v\u1eadt li\u1ec7u (MTR) \u0111\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p quan tr\u1ecdng.<\/p>\n<\/div>\n

H\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng v\u00e0 c\u00e0i \u0111\u1eb7t<\/h2>\n
\n

\u1ed0c v\u00edt ISO 7380 l\u00fd t\u01b0\u1edfng cho c\u00e1c s\u1ea3n ph\u1ea9m nh\u00f4m \u0111\u1ecbnh h\u00ecnh, l\u1eafp r\u00e1p \u0111\u1ed3 n\u1ed9i th\u1ea5t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4, nh\u1edd \u0111\u1ea7u \u1ed1c r\u1ed9ng gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng xuy\u00ean th\u1ee7ng. Trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, ch\u00fang d\u00f9ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh b\u1ea3ng m\u1ea1ch in m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t.<\/p>\n

H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t:<\/p>\n

    \n
  • Khoan l\u1ed7 m\u1ed3i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n \u0111\u01b0\u1eddng k\u00ednh chu\u00f4i 0,1 mm.<\/li>\n
  • D\u00f9ng m\u0169i taro ISO 965 \u0111\u1ec3 t\u1ea1o ren \u0111\u1ebfn \u0111\u1ed9 s\u00e2u t\u1ed1i \u0111a.<\/li>\n
  • Si\u1ebft ch\u1eb7t t\u1eeb t\u1eeb \u0111\u1ec3 tr\u00e1nh b\u1ecb l\u1ec7ch ren.<\/li>\n
  • \u0110\u1ed1i v\u1edbi nh\u00f4m, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c chi ti\u1ebft ren xo\u1eafn (helicoil) n\u1ebfu d\u1ef1 ki\u1ebfn \u200b\u200bth\u00e1o l\u1eafp th\u01b0\u1eddng xuy\u00ean.<\/li>\n<\/ul>\n

    L\u1eddi khuy\u00ean chuy\u00ean nghi\u1ec7p: T\u00ednh to\u00e1n l\u1ef1c k\u1eb9p b\u1eb1ng c\u00f4ng th\u1ee9c F = T \/ (K * D), trong \u0111\u00f3 K l\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t (0,2 khi kh\u00f4), \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a m\u1ed1i n\u1ed1i m\u00e0 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i.<\/p>\n<\/div>\n

    Th\u00f4ng tin gi\u00e1 c\u1ea3<\/h2>\n
    \n

    Gi\u00e1 th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i c\u1ee7a \u1ed1c v\u00edt l\u1ee5c gi\u00e1c \u0111\u1ea7u tr\u00f2n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ISO 7380 thay \u0111\u1ed5i t\u00f9y theo k\u00edch th\u01b0\u1edbc, ch\u1ea5t li\u1ec7u v\u00e0 s\u1ed1 l\u01b0\u1ee3ng. D\u1ef1a tr\u00ean d\u1eef li\u1ec7u g\u1ea7n \u0111\u00e2y t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 Accu, Amazon v\u00e0 eBay (t\u00ednh \u0111\u1ebfn n\u0103m 2023), gi\u00e1 dao \u0111\u1ed9ng nh\u01b0 sau:<\/p>\n

      \n
    • M3 x 6-40 mm (A2): $0.05-$0.20 m\u1ed7i \u0111\u01a1n v\u1ecb khi mua s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (100+), $0.10-$0.50 cho h\u00e0ng b\u00e1n l\u1ebb.<\/li>\n
    • M4 x 6-40 mm (A2): $0.07-$0.25 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, $0.15-$0.60 s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb.<\/li>\n
    • M5 x 8-60 mm (A2): $0.10-$0.30 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, $0.20-$0.70 s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb.<\/li>\n
    • M6 x 10-60 mm (A2): $0.15-$0.40 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, $0.25-$0.80 s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb.<\/li>\n
    • M8 x 12-100 mm (A2): $0.20-$0.50 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, $0.30-$1.00 s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb.<\/li>\n
    • M10 x 16-100 mm (A2): $0.30-$0.70 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, $0.50-$1.50 s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb.<\/li>\n
    • \u1ed0c v\u00edt M12 x 20-100 mm (A2): $0.50-$1.00 (s\u1ed1 l\u01b0\u1ee3ng l\u1edbn), $0.80-$2.00 (s\u1ed1 l\u01b0\u1ee3ng b\u00e1n l\u1ebb).<\/li>\n
    • \u1ed0c v\u00edt M16 x 30-100 mm (A2): $1.00-$2.00 (mua s\u1ec9), $1.50-$3.50 (mua l\u1ebb).<\/li>\n<\/ul>\n

      \u0110\u1ed1i v\u1edbi SUS316 (A4), vui l\u00f2ng th\u00eam ph\u1ee5 ph\u00ed 20-30%. Gi\u00e1 c\u1ea3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i; \u0111\u01a1n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (1000+) \u0111\u01b0\u1ee3c gi\u1ea3m gi\u00e1 l\u00ean \u0111\u1ebfn 50%. N\u00ean mua t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng. H\u01b0\u1edbng d\u1eabn: T\u00ednh to\u00e1n chi ph\u00ed v\u1eadn chuy\u1ec3n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u; so s\u00e1nh b\u00e1o gi\u00e1 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n.<\/p>\n<\/div>\n

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

      \u0110i\u1ec3m kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1c v\u00edt theo ti\u00eau chu\u1ea9n ISO 7380 v\u00e0 ISO 4762 l\u00e0 g\u00ec?<\/h3>\n

      Ti\u00eau chu\u1ea9n ISO 7380 c\u00f3 \u0111\u1ea7u h\u00ecnh n\u00fat gi\u00fap t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u00e0 gi\u1ea3m chi\u1ec1u cao, trong khi ti\u00eau chu\u1ea9n ISO 4762 c\u00f3 \u0111\u1ea7u h\u00ecnh tr\u1ee5 gi\u00fap thao t\u00e1c v\u1edbi c\u00e1c \u1ed5 c\u1eafm s\u00e2u h\u01a1n. H\u00e3y l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean kh\u00f4ng gian v\u00e0 nhu c\u1ea7u ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng.<\/p>\n

      T\u00f4i n\u00ean ch\u1ecdn v\u1eadt li\u1ec7u SUS304 hay SUS316 nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

      Th\u00e9p kh\u00f4ng g\u1ec9 SUS304 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng; SUS316 th\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u01b0 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n do c\u00f3 ch\u1ee9a molypden. C\u1ea7n \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi clorua v\u00e0 axit \u0111\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i th\u00e9p t\u1ed1i \u01b0u.<\/p>\n

      C\u1ea7n si\u1ebft v\u00edt M8 theo ti\u00eau chu\u1ea9n ISO 7380 v\u1edbi m\u00f4-men xo\u1eafn bao nhi\u00eau?<\/h3>\n

      \u0110\u1ed1i v\u1edbi A2-70, si\u1ebft ch\u1eb7t v\u1edbi l\u1ef1c 18-22 Nm khi kh\u00f4ng b\u00f4i tr\u01a1n. S\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 m\u00f4-men xo\u1eafn v\u00e0 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi ch\u1ea5t b\u00f4i tr\u01a1n \u0111\u1ec3 tr\u00e1nh b\u1ecb k\u1eb9t ho\u1eb7c si\u1ebft ch\u01b0a \u0111\u1ee7 ch\u1eb7t.<\/p>\n

      C\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng v\u00edt theo chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh theo ti\u00eau chu\u1ea9n ISO 7380 kh\u00f4ng?<\/h3>\n

      C\u00f3, ngo\u00e0i ph\u1ea1m vi ti\u00eau chu\u1ea9n 6-100 mm, nh\u01b0ng v\u1eabn duy tr\u00ec t\u1ef7 l\u1ec7 \u0103n kh\u1edbp ren theo ti\u00eau chu\u1ea9n ISO \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n.<\/p>\n

      Gi\u00e1 c\u1ea3 thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o t\u00f9y thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng?<\/h3>\n

      Mua s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (1000+) gi\u00fap gi\u1ea3m chi ph\u00ed t\u1eeb 30-50%; v\u00ed d\u1ee5: M6 v\u1edbi gi\u00e1 $0.15 khi mua s\u1ed1 l\u01b0\u1ee3ng l\u1edbn so v\u1edbi $0.25 khi mua l\u1ebb. Lu\u00f4n y\u00eau c\u1ea7u b\u00e1o gi\u00e1 \u0111\u1ec3 c\u00f3 gi\u00e1 ch\u00ednh x\u00e1c.<\/p>\n<\/div>\n

      \n

      N\u1ed9i dung n\u00e0y tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ISO 7380 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan nh\u1eb1m m\u1ee5c \u0111\u00edch cung c\u1ea5p th\u00f4ng tin. Vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c \u0111\u1ec3 bi\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh x\u00e1c.<\/p>\n<\/div>\n

       <\/p>","protected":false},"excerpt":{"rendered":"

      Introduction to ISO 7380 Button Head Hex Socket Screws ISO 7380 specifies button head socket screws with hexagon sockets, which are widely utilized in mechanical assemblies where a flush, aesthetically pleasing finish is desired. These screws feature a domed head with a larger bearing surface compared to standard socket cap screws, distributing clamping force more […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5839","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5839"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5839\/revisions"}],"predecessor-version":[{"id":5840,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5839\/revisions\/5840"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5839"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}