{"id":4704,"date":"2026-07-15T00:10:54","date_gmt":"2026-07-14T16:10:54","guid":{"rendered":"https:\/\/www.bundytubes.com\/?p=4704"},"modified":"2026-10-05T13:03:19","modified_gmt":"2026-10-05T05:03:19","slug":"iso-40381996-road-vehicles-hydraulic-braking-systems-simple-flare-pipes-tapped-holes-male-fittings-and-hose-end-fittings","status":"publish","type":"post","link":"https:\/\/www.bundytubes.com\/vi\/iso-40381996-road-vehicles-hydraulic-braking-systems-simple-flare-pipes-tapped-holes-male-fittings-and-hose-end-fittings\/","title":{"rendered":"ISO 4038:1996 Ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng \u0111\u01b0\u1eddng b\u1ed9 \u2014 H\u1ec7 th\u1ed1ng phanh th\u1ee7y l\u1ef1c \u2014 \u1ed0ng loe \u0111\u01a1n gi\u1ea3n, l\u1ed7 ren, ph\u1ee5 t\u00f9ng \u0111\u1ea7u nam v\u00e0 ph\u1ee5 t\u00f9ng \u0111\u1ea7u \u1ed1ng m\u1ec1m"},"content":{"rendered":"\n

1 Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf n\u00e0y quy \u0111\u1ecbnh c\u00e1c k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n v\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a c\u00e1c lo\u1ea1i \u1ed1ng kim lo\u1ea1i, \u1ed1ng c\u00f3 \u0111\u1ea7u loe \u0111\u01a1n, l\u1ed7 ren, ph\u1ee5 t\u00f9ng \u0111\u1ea7u \u0111\u1ef1c v\u00e0 ph\u1ee5 t\u00f9ng \u0111\u1ea7u \u1ed1ng d\u00f9ng trong h\u1ec7 th\u1ed1ng phanh th\u1ee7y l\u1ef1c tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng \u0111\u01b0\u1eddng b\u1ed9.<\/p>\n\n\n\n

2 T\u00e0i li\u1ec7u vi\u1ec7n d\u1eabn chu\u1ea9n<\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n sau \u0111\u00e2y ch\u1ee9a c\u00e1c \u0111i\u1ec1u kho\u1ea3n m\u00e0, th\u00f4ng qua vi\u1ec7c vi\u1ec7n d\u1eabn trong v\u0103n b\u1ea3n n\u00e0y, tr\u1edf th\u00e0nh c\u00e1c \u0111i\u1ec1u kho\u1ea3n c\u1ee7a Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf n\u00e0y. T\u1ea1i th\u1eddi \u0111i\u1ec3m xu\u1ea5t b\u1ea3n, phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c n\u00eau ra l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c. T\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i, v\u00e0 c\u00e1c b\u00ean k\u00fd k\u1ebft th\u1ecfa thu\u1eadn d\u1ef1a tr\u00ean Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf n\u00e0y \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y. C\u00e1c th\u00e0nh vi\u00ean c\u1ee7a IEC v\u00e0 ISO duy tr\u00ec danh m\u1ee5c c\u00e1c Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf hi\u1ec7n h\u00e0nh.<\/p>\n\n\n\n

ISO 9227:1990, C\u00e1c ph\u00e9p th\u1eed \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n nh\u00e2n t\u1ea1o\u2014Th\u1eed nghi\u1ec7m phun mu\u1ed1i.<\/p>\n\n\n\n

3. \u1ed0ng<\/h2>\n\n\n\n

\u1ed0ng ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb \u1ed1ng c\u00e1n hai l\u1edbp c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3ng 1.<\/p>\n\n\n\n

\u1ed0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp ren ngo\u00e0i \u1edf c\u1ea3 hai \u0111\u1ea7u (xem h\u00ecnh 1). C\u00e1c m\u1eb7t b\u00edch ph\u1ea3i tu\u00e2n theo h\u00ecnh 2 v\u00e0 b\u1ea3ng 2.<\/p>\n\n\n\n

\u1ed0ng c\u00f3 l\u1edbp ph\u1ee7 nh\u1ef1a b\u1ed5 sung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng; tuy nhi\u00ean, nh\u1eefng \u1ed1ng n\u00e0y ph\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i ren ngo\u00e0i, l\u1ed7 ren v\u00e0 ph\u1ea7n loe nh\u01b0 quy \u0111\u1ecbnh trong Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf n\u00e0y.<\/p>\n\n\n\n

\u1ed0ng th\u00e9p ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc sau:<\/p>\n\n\n\n

\u0111\u1ed9 b\u1ec1n k\u00e9o1)<\/sup>: >290 MPa
\u0111i\u1ec3m ch\u1ea3y: >200 MPa
\u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t1) <\/sup> > 25 %
\u0111\u1ed9 c\u1ee9ng: <55 HR30T<\/p>\n\n\n\n

1)<\/sup>D\u00e0nh cho c\u00e1c \u1ed1ng c\u1ea7n u\u1ed1n cong<\/em><\/p>\n\n\n\n

B\u1ec1 m\u1eb7t trong v\u00e0 ngo\u00e0i c\u1ee7a \u1ed1ng ph\u1ea3i kh\u00f4ng b\u1ecb oxy h\u00f3a. B\u1ec1 m\u1eb7t ngo\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c ph\u00e9p th\u1eed phun mu\u1ed1i NSS theo ti\u00eau chu\u1ea9n ISO 9227 trong \u00edt nh\u1ea5t 96 gi\u1edd.<\/p>\n\n\n\n

B\u1ea3ng 1 K\u00edch th\u01b0\u1edbc \u1ed1ng<\/p>\n\n\n\n

\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i \u0111\u1ed1i v\u1edbi \u1ed1ng tr\u1ea7n 1)<\/sup><\/td>D<\/td>danh ngh\u0129a<\/td>4.75<\/td>6<\/td>8<\/td>10<\/td><\/tr>
dung sai.<\/td>\u00b10.07<\/td>\u00b10.07<\/td>\u00b10.07<\/td>\u00b10.07<\/td><\/tr>
\u0110\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng<\/td>e1<\/sub><\/td>danh ngh\u0129a<\/td>0.7<\/td>0.7<\/td>0.7<\/td>0.7<\/td><\/tr>
dung sai.<\/td>\u00b10.07<\/td>\u00b10.07<\/td>\u00b10.07<\/td>\u00b10.07<\/td><\/tr>
\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t<\/td>D1<\/sub><\/td>t\u1ed1i \u0111a<\/td>4.97<\/td>6.22<\/td>8.22<\/td>10.22<\/td><\/tr>
\u00c1p su\u1ea5t n\u1ed5 t\u1ed1i thi\u1ec3u<\/td><\/td>MPa2)<\/sup><\/td>110<\/td>85<\/td>67.5<\/td>55<\/td><\/tr>
Kh\u1ed1i l\u01b0\u1ee3ng trung b\u00ecnh tr\u00ean m\u1ed7i m\u00e9t<\/td><\/td>kg\/m<\/td>0.07<\/td>0.09<\/td>0.12<\/td>0.16<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

GHI CH\u00da – \u0110\u1ed9 dung sai chu vi c\u1ee7a \u1ed1ng ph\u1ea3i n\u1eb1m trong gi\u1edbi h\u1ea1n dung sai \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i.
1) \u1ed0ng tr\u1ea7n l\u00e0 \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t. C\u00e1c \u1ed1ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb v\u1eadt li\u1ec7u t\u1ea5m \u0111\u00e3 qua x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u1eabn \u0111\u01b0\u1ee3c coi l\u00e0 \u1ed1ng tr\u1ea7n.
2) 1 MPa = 10 bar<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh 1 – \u1ed0ng c\u00f3 m\u1eb7t b\u00edch \u1edf c\u1ea3 hai \u0111\u1ea7u v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1ea7u n\u1ed1i nam<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh 2 – Lo\u1ea1i l\u1ed7 loe \u0111\u01a1n<\/p>\n\n\n\n

B\u1ea3ng 2 – K\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u loe \u0111\u01a1n<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng milim\u00e9t<\/p>\n\n\n\n

\u0110\u01b0\u1eddng k\u00ednh \u1ed1ng
<\/strong>D
danh ngh\u0129a<\/td>		D1<\/sub>
t\u1ed1i \u0111a<\/td>		D2<\/sub>
JS14<\/td>		D3<\/sub>
+0.3
-0.2<\/td>		D4<\/sub>
tham kh\u1ea3o.<\/td>		D5<\/sub>
t\u1ed1i thi\u1ec3u<\/td>		l1<\/sub>
\u00b10.3<\/td>		l2<\/sub>
t\u1ed1i thi\u1ec3u<\/td><\/tr>
4.75<\/td>4.97<\/td>7.1<\/td>3.2<\/td>6<\/td>5.5<\/td>2.5<\/td>17<\/td><\/tr>
6<\/td>6.22<\/td>8.4<\/td>4.5<\/td>7.3<\/td>6.8<\/td>2.5<\/td>18<\/td><\/tr>
8<\/td>8.22<\/td>10.7<\/td>6.5<\/td>9.3<\/td>8.8<\/td>2.7<\/td>24<\/td><\/tr>
10<\/td>10.22<\/td>12.7<\/td>8.5<\/td>11.3<\/td>10.8<\/td>3<\/td>28<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

4 L\u1ed7 ren d\u00f9ng \u0111\u1ec3 l\u00e0m k\u00edn d\u1ea1ng c\u00f4n<\/h2>\n\n\n\n

K\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c l\u1ed7 ren d\u00f9ng \u0111\u1ec3 l\u00e0m k\u00edn theo h\u00ecnh n\u00f3n ph\u1ea3i nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 3 v\u00e0 B\u1ea3ng 3. Theo quy\u1ebft \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, ph\u1ea7n \u0111\u1ea7u v\u00e0o c\u1ee7a l\u1ed7 c\u00f3 th\u1ec3 nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 4.<\/p>\n\n\n\n

\"H\u00ecnh<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u00ecnh 4 – L\u1ed7 v\u00e0o t\u00f9y ch\u1ecdn<\/p>\n\n\n\n

B\u1ea3ng 3 – K\u00edch th\u01b0\u1edbc l\u1ed7 ren d\u00f9ng cho ki\u1ec3u l\u00e0m k\u00edn b\u1eb1ng n\u00f3n<\/p>\n\n\n\n

\u0110\u01b0\u1eddng k\u00ednh \u1ed1ng
<\/strong>D
danh ngh\u0129a<\/td>		D5<\/sub>
6H<\/td>		D6<\/sub>
t\u1ed1i thi\u1ec3u<\/td>		D7<\/sub>
0
-0.4<\/td>		D8<\/sub>
tham kh\u1ea3o.<\/td>		D9<\/sub>
\u00b10.2<\/td>		l1<\/sub>
t\u1ed1i thi\u1ec3u<\/td>		l2<\/sub>
\u00b10.25<\/td><\/tr>
4.75<\/td>M10x1<\/td>16<\/td>3.3<\/td>10.5<\/td>10.2<\/td>7.5<\/td>10<\/td><\/tr>
6<\/td>M12x1<\/td>18<\/td>4.6<\/td>12.5<\/td>12.2<\/td>9.5<\/td>12<\/td><\/tr>
8<\/td>M14x1.5<\/td>20<\/td>6.6<\/td>14.5<\/td>14.2<\/td>13.25<\/td>16.5<\/td><\/tr>
10<\/td>M16x1.5<\/td>22<\/td>8.6<\/td>16.5<\/td>16.2<\/td>14.25<\/td>17.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

5 \u0110\u1ea7u n\u1ed1i ren ngo\u00e0i<\/h2>\n\n\n\n

K\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c ph\u1ee5 t\u00f9ng \u0111\u1ea7u \u0111\u1ef1c ph\u1ea3i nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 5 v\u00e0 B\u1ea3ng 4.<\/p>\n\n\n\n

C\u00e1c ph\u1ee5 ki\u1ec7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u sau \u0111\u00e2y:
\u0111\u1ea7u n\u1ed1i M10 x 1: 30 N\u00b7m;
\u0111\u1ea7u n\u1ed1i M12 x 1: 30 N\u00b7m;
\u0111\u1ea7u n\u1ed1i M14 x 1,5: 35 N\u00b7m;
\u0111\u1ea7u n\u1ed1i M16 x 1,5: 35 N\u00b7m.<\/p>\n\n\n\n

B\u1ec1 m\u1eb7t trong v\u00e0 ngo\u00e0i c\u1ee7a ph\u1ee5 t\u00f9ng ph\u1ea3i kh\u00f4ng b\u1ecb oxy h\u00f3a. B\u1ec1 m\u1eb7t ngo\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c ph\u00e9p th\u1eed phun mu\u1ed1i NSS theo ti\u00eau chu\u1ea9n ISO 9227 trong \u00edt nh\u1ea5t 96 gi\u1edd.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh 5 – C\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1ea7u n\u1ed1i nam<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

6 \u0110\u1ea7u n\u1ed1i \u1ed1ng m\u1ec1m<\/h2>\n\n\n\n

C\u00e1c \u0111\u1ea7u n\u1ed1i \u1ed1ng c\u00f3 th\u1ec3 l\u00e0 lo\u1ea1i \u0111\u1ea7u \u0111\u1ef1c, ph\u00f9 h\u1ee3p v\u1edbi H\u00ecnh 6 v\u00e0 B\u1ea3ng 5, ho\u1eb7c lo\u1ea1i \u0111\u1ea7u c\u00e1i, ph\u00f9 h\u1ee3p v\u1edbi
H\u00ecnh 7 v\u00e0 B\u1ea3ng 6. Ch\u00fang ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u l\u00e0 35 N.m.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n