{"id":13683,"date":"2019-09-12T01:41:10","date_gmt":"2019-09-12T01:41:10","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13683"},"modified":"2020-05-07T07:37:18","modified_gmt":"2020-05-07T07:37:18","slug":"characteristics-and-application-of-common-bearing-materials","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/dac-diem-va-ung-dung-vat-lieu-mang-chung\/","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u \u1ed5 tr\u1ee5c th\u00f4ng th\u01b0\u1eddng"},"content":{"rendered":"
\n

Nh\u01b0 ch\u00fang ta \u0111\u00e3 bi\u1ebft, c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c tr\u00ean th\u1ecb tr\u01b0\u1eddng. C\u00f3 ba lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c ph\u1ed5 bi\u1ebfn: v\u1eadt li\u1ec7u kim lo\u1ea1i, v\u1eadt li\u1ec7u kim lo\u1ea1i x\u1ed1p v\u00e0 v\u1eadt li\u1ec7u phi si\u00eau v\u1eadt li\u1ec7u.<\/strong><\/p>\n\n\n\n

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

V\u1eadt li\u1ec7u kim lo\u1ea1i<\/strong><\/strong><\/h2>\n\n\n\n

H\u1ee3p kim v\u00f2ng bi, h\u1ee3p kim \u0111\u1ed3ng, nh\u00f4m, h\u1ee3p kim k\u1ebdm, vv \u0111\u1ec1u l\u00e0 v\u1eadt li\u1ec7u kim lo\u1ea1i. Trong s\u1ed1 \u0111\u00f3, h\u1ee3p kim mang, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ee3p kim tr\u1eafng, ch\u1ee7 y\u1ebfu l\u00e0 h\u1ee3p kim ch\u00ec, thi\u1ebfc, antimon ho\u1eb7c c\u00e1c kim lo\u1ea1i kh\u00e1c, c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i n\u1eb7ng v\u00e0 t\u1ed1c \u0111\u1ed9 cao. L\u00fd do l\u00e0 v\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t, \u0111\u1ed9 d\u1ebbo cao, hi\u1ec7u su\u1ea5t ch\u1ea1y t\u1ed1t, d\u1eabn nhi\u1ec7t t\u1ed1t, ch\u1ed1ng keo t\u1ed1t v\u00e0 h\u1ea5p th\u1ee5 t\u1ed1t v\u1edbi d\u1ea7u. Tuy nhi\u00ean, v\u00ec gi\u00e1 cao, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 tr\u00ean \u0111\u1ed3ng, d\u1ea3i th\u00e9p ho\u1eb7c \u1ed1ng l\u00f3t b\u1eb1ng gang \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ph\u1ee7 m\u1ecfng h\u01a1n<\/strong><\/p>\n\n\n\n

H\u1ee3p kim mang<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u1ee3p kim v\u00f2ng bi l\u00e0 h\u1ee3p kim thi\u1ebfc, ch\u00ec, antimon v\u00e0 \u0111\u1ed3ng. Ch\u00fang d\u1ef1a tr\u00ean thi\u1ebfc ho\u1eb7c ch\u00ec v\u00e0 ch\u1ee9a c\u00e1c h\u1ea1t c\u1ee9ng c\u1ee7a antimon-thi\u1ebfc (Sb-Sn) v\u00e0 \u0111\u1ed3ng-thi\u1ebfc (Cu-Sn). C\u00e1c h\u1ea1t c\u1ee9ng \u0111\u00f3ng vai tr\u00f2 ch\u1ed1ng m\u00e0i m\u00f2n, trong khi ch\u1ea5t n\u1ec1n m\u1ec1m l\u00e0m t\u0103ng \u0111\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u. M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i v\u00e0 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a h\u1ee3p kim \u1ed5 tr\u1ee5c r\u1ea5t th\u1ea5p. Trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u1ed5 tr\u1ee5c, n\u00f3 c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 ma s\u00e1t t\u1ed1t nh\u1ea5t. Th\u1eadt d\u1ec5 d\u00e0ng \u0111\u1ec3 ch\u1ea1y v\u00e0o v\u1edbi t\u1ea1p ch\u00ed, v\u00e0 kh\u00f4ng d\u1ec5 \u0111\u1ec3 c\u1eafn v\u1edbi t\u1ea1p ch\u00ed. Nh\u01b0ng s\u1ee9c m\u1ea1nh c\u1ee7a h\u1ee3p kim mang l\u00e0 r\u1ea5t th\u1ea5p. N\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ri\u00eang bi\u1ec7t. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o \u1ed1ng l\u00f3t b\u1eb1ng \u0111\u1ed3ng, th\u00e9p ho\u1eb7c gang \u0111\u1ec3 l\u00f3t \u1ed5 tr\u1ee5c. H\u1ee3p kim v\u00f2ng bi ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng, trung b\u00ecnh v\u00e0 t\u1ed1c \u0111\u1ed9 cao, v\u00e0 gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1eaft.<\/strong><\/strong><\/p>\n\n\n\n

h\u1ee3p kim \u0111\u1ed3ng<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u1ee3p kim \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n, gi\u1ea3m ma s\u00e1t t\u1ed1t h\u01a1n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n. \u0110\u1ed3ng c\u00f3 t\u00ednh ch\u1ea5t t\u1ed1t h\u01a1n \u0111\u1ed3ng thau v\u00e0 l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ed3ng, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed3ng thi\u1ebfc, \u0111\u1ed3ng ch\u00ec v\u00e0 \u0111\u1ed3ng nh\u00f4m. Trong s\u1ed1 \u0111\u00f3, \u0111\u1ed3ng thi\u1ebfc c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ed1ng ma s\u00e1t t\u1ed1t nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Tuy nhi\u00ean, \u0111\u1ed3ng thi\u1ebfc c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n so v\u1edbi h\u1ee3p kim ch\u1ecbu l\u1ef1c, \u0111\u1ed9 m\u00f2n k\u00e9m v\u00e0 \u0111\u1ed9 nh\u00fang, v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng v\u00e0 t\u1ed1c \u0111\u1ed9 trung b\u00ecnh. \u0110\u1ed3ng ch\u00ec c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u00e1m d\u00ednh m\u1ea1nh v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi v\u00f2ng bi t\u1ed1c \u0111\u1ed9 cao v\u00e0 n\u1eb7ng. Nh\u00f4m \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng d\u00ednh k\u00e9m. N\u00f3 ph\u00f9 h\u1ee3p cho v\u00f2ng bi t\u1ed1c \u0111\u1ed9 th\u1ea5p v\u00e0 n\u1eb7ng.<\/strong><\/p>\n\n\n\n

H\u1ee3p kim nh\u00f4m<\/strong><\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

H\u1ee3p kim ch\u1ecbu l\u1ef1c b\u1eb1ng nh\u00f4m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, \u0111\u1ed9 b\u1ec1n m\u1ecfi cao v\u00e0 t\u00ednh ch\u1ea5t ma s\u00e1t t\u1ed1t. Nh\u1eefng ph\u1ea9m ch\u1ea5t n\u00e0y l\u00e0m cho h\u1ee3p kim d\u1ef1a tr\u00ean Al thay th\u1ebf h\u1ee3p kim ch\u1ecbu l\u1ef1c v\u00e0 \u0111\u1ed3ng \u0111\u1eaft ti\u1ec1n h\u01a1n \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c. H\u1ee3p kim nh\u00f4m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i duy nh\u1ea5t (nh\u01b0 \u1ed1ng l\u00f3t, v\u00f2ng bi, v.v.) ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn l\u01b0\u1ee1ng kim. H\u1ee3p kim nh\u00f4m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t ch\u1ecbu l\u1ef1c v\u00e0 th\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t cho c\u00e1c \u1ed1ng l\u00f3t mang l\u01b0\u1ee1ng kim. M\u1ed9t lo\u1ea1i o<\/strong><\/p>\n\n\n\n

Gang x\u00e1m v\u00e0 gang ch\u1ed1ng m\u00f2n<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

S\u1eaft x\u00e1m th\u00f4ng th\u01b0\u1eddng ho\u1eb7c s\u1eaft x\u00e1m ch\u1ecbu m\u00e0i m\u00f2n v\u1edbi h\u1ee3p kim niken, crom v\u00e0 titan, ho\u1eb7c s\u1eaft d\u1ec5 u\u1ed1n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c. L\u1edbp v\u1ea3y ho\u1eb7c than ch\u00ec h\u00ecnh c\u1ea7u trong lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp than ch\u00ec b\u00f4i tr\u01a1n sau khi n\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u, do \u0111\u00f3 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n nh\u1ea5t \u0111\u1ecbnh. Ngo\u00e0i ra, than ch\u00ec c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 hydrocarbon v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n ranh gi\u1edbi. Do \u0111\u00f3, khi gang x\u00e1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c, c\u1ea7n th\u00eam d\u1ea7u b\u00f4i tr\u01a1n. Do \u0111\u1ed9 gi\u00f2n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ea1y k\u00e9m, gang ch\u1ec9 th\u00edch h\u1ee3p cho c\u00e1c t\u00ecnh hu\u1ed1ng t\u1ed1c \u0111\u1ed9 th\u1ea5p v\u00e0 t\u1ea3i nh\u1eb9 m\u00e0 kh\u00f4ng c\u00f3 t\u1ea3i tr\u1ecdng va \u0111\u1eadp.<\/strong><\/p>\n\n\n\n

V\u1eadt li\u1ec7u phi kim lo\u1ea1i<\/strong><\/strong><\/h2>\n\n\n\n

C\u00e1c v\u1eadt li\u1ec7u phi kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c nhau (v\u1eadt li\u1ec7u polymer), ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1ef1a phenolic, nylon, polytetrafluoroetylen, v.v. C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a polymer l\u00e0: n\u00f3 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u h\u00f3a ch\u1ea5t, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh; N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 b\u00f4i tr\u01a1n nh\u1ea5t \u0111\u1ecbnh, c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng b\u00f4i tr\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n nh\u1ea5t \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao; kh\u1ea3 n\u0103ng nh\u00fang t\u1ed1t; ch\u1ed1ng ma s\u00e1t t\u1ed1t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n.<\/strong><\/p>\n\n\n\n

Khi ch\u1ecdn polymer l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c, ch\u00fang ta ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 sau: b\u1edfi v\u00ec \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a polymer ch\u1ec9 l\u00e0 m\u1ed9t v\u00e0i ph\u1ea7n tr\u0103m c\u1ee7a th\u00e9p, n\u00ean ph\u1ea3i xem x\u00e9t s\u1ef1 t\u1ea3n nhi\u1ec7t c\u1ee7a ma s\u00e1t, l\u00e0m h\u1ea1n ch\u1ebf nghi\u00eam ng\u1eb7t t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c v\u00e0 gi\u00e1 tr\u1ecb \u00e1p su\u1ea5t c\u1ee7a mang polymer. Do h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a polymer l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi th\u00e9p, n\u00ean \u0111\u1ed9 h\u1edf gi\u1eefa \u1ed5 bi polymer v\u00e0 t\u1ea1p ch\u00ed th\u00e9p ph\u1ea3i l\u1edbn h\u01a1n so v\u1edbi \u1ed5 tr\u1ee5c kim lo\u1ea1i. Ngo\u00e0i ra, gi\u1edbi h\u1ea1n c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u polymer th\u1ea5p, do \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 ch\u1ecbu t\u1ea3i tr\u1ecdng gi\u1edbi h\u1ea1n trong l\u1eafp r\u00e1p v\u00e0 v\u1eadn h\u00e0nh. Do hi\u1ec7n t\u01b0\u1ee3ng leo c\u1ee7a v\u1eadt li\u1ec7u polymer \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u00f2ng bi v\u1edbi y\u00eau c\u1ea7u gi\u1ea3i ph\u00f3ng m\u1eb7t b\u1eb1ng nghi\u00eam ng\u1eb7t.<\/strong><\/p>\n\n\n\n

Carbon-than ch\u00ec c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng x\u1ea5u. H\u00e0m l\u01b0\u1ee3ng than ch\u00ec c\u00e0ng nhi\u1ec1u th\u00ec v\u1eadt li\u1ec7u c\u00e0ng m\u1ec1m v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t c\u00e0ng nh\u1ecf. Kim lo\u1ea1i, polytetrafluoroetylen ho\u1eb7c molybdenum disulfide c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u1eadt li\u1ec7u than ch\u00ec carbon, v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n l\u1ecfng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u00e2m t\u1ea9m. V\u00f2ng bi carbon-than c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 th\u1ea5m \u01b0\u1edbt, v\u00e0 kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m \u01b0\u1edbt v\u00e0 gi\u1ea3m ma s\u00e1t c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc b\u1ecb h\u1ea5p ph\u1ee5. Carbon-than ch\u00ec c\u00f3 \u00e1i l\u1ef1c v\u1edbi ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 ch\u1ee9a hydrocarbon. Th\u00eam ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n ranh gi\u1edbi. Ngo\u00e0i ra, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c \u0111\u1ec3 b\u00f4i tr\u01a1n n\u01b0\u1edbc.<\/strong><\/p>\n\n\n\n

Cao su ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng b\u1ea9n.<\/strong><\/p>\n\n\n\n

G\u1ed7 c\u00f3 c\u1ea5u tr\u00fac x\u1ed1p v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng ch\u1ea5t \u0111\u1ed9n. L\u00e0m \u0111\u1ea7y polymer c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, gi\u1ea3m h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m v\u00e0 t\u0103ng s\u1ee9c m\u1ea1nh c\u1ee7a g\u1ed7. V\u00f2ng bi l\u00e0m b\u1eb1ng g\u1ed7 c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c trong \u0111i\u1ec1u ki\u1ec7n b\u1ee5i b\u1eb7m.<\/strong><\/p>\n\n\n\n

V\u1eadt li\u1ec7u kim lo\u1ea1i x\u1ed1p<\/strong><\/strong><\/h2>\n\n\n\n

\u0110\u00e2y l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch \u00e9p v\u00e0 thi\u00eau k\u1ebft c\u00e1c lo\u1ea1i b\u1ed9t kim lo\u1ea1i kh\u00e1c nhau. V\u1eadt li\u1ec7u n\u00e0y l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac x\u1ed1p v\u00e0 c\u00e1c kho\u1ea3ng tr\u1ed1ng chi\u1ebfm kho\u1ea3ng 10% \u0111\u1ebfn 35% c\u1ee7a \u00e2m l\u01b0\u1ee3ng. Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng, \u1ed1ng l\u00f3t \u1ed5 tr\u1ee5c \u0111\u01b0\u1ee3c ng\u00e2m trong d\u1ea7u n\u00f3ng trong v\u00e0i gi\u1edd \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y l\u1ed7 b\u1eb1ng d\u1ea7u b\u00f4i tr\u01a1n, v\u00ec v\u1eady \u1ed5 tr\u1ee5c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ed5 tr\u1ee5c d\u1ea7u.<\/strong><\/p>\n\n\n\n

N\u00f3 c\u00f3 m\u1ed9t t\u1ef1 b\u00f4i tr\u01a1n. Khi l\u00e0m vi\u1ec7c, do t\u00e1c \u0111\u1ed9ng h\u00fat c\u1ee7a v\u00f2ng quay t\u1ea1p ch\u00ed v\u00e0 hi\u1ec7u \u1ee9ng gi\u00e3n n\u1edf c\u1ee7a d\u1ea7u trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t \u1ed5 tr\u1ee5c, d\u1ea7u s\u1ebd \u0111i v\u00e0o b\u1ec1 m\u1eb7t ma s\u00e1t \u0111\u1ec3 b\u00f4i tr\u01a1n; Khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, do t\u00e1c \u0111\u1ed9ng mao d\u1eabn, d\u1ea7u s\u1ebd b\u1ecb h\u00fat tr\u1edf l\u1ea1i v\u00e0o \u1ed5 tr\u1ee5c, do \u0111\u00f3 n\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t ngay c\u1ea3 khi kh\u00f4ng b\u00f4i tr\u01a1n d\u1ea7u trong m\u1ed9t th\u1eddi gian d\u00e0i. N\u1ebfu d\u1ea7u \u0111\u01b0\u1ee3c cung c\u1ea5p th\u01b0\u1eddng xuy\u00ean, hi\u1ec7u qu\u1ea3 t\u1ed1t h\u01a1n. Tuy nhi\u00ean, do \u0111\u1ed9 b\u1ec1n th\u1ea5p, n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi tr\u01b0\u1eddng h\u1ee3p t\u1ea3i tr\u1ecdng kh\u00f4ng va ch\u1ea1m tr\u01a1n tru v\u00e0 t\u1ed1c \u0111\u1ed9 trung b\u00ecnh th\u1ea5p. S\u1eaft x\u1ed1p v\u00e0 \u0111\u1ed3ng x\u1ed1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. S\u1eaft x\u1ed1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u1ed1ng l\u00f3t m\u00e1y nghi\u1ec1n, \u1ed1ng l\u00f3t b\u01a1m d\u1ea7u m\u00e1y c\u00f4ng c\u1ee5, \u1ed1ng l\u00f3t \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong, v.v.<\/strong><\/p>\n\n\n\n

\u0110\u1ed3ng x\u1ed1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u00f2ng bi c\u1ee7a m\u00e1y ghi \u00e2m, qu\u1ea1t \u0111i\u1ec7n, m\u00e1y m\u00f3c d\u1ec7t v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00f4 t\u00f4. Hi\u1ec7n \u0111\u00e3 c\u00f3 c\u00e1c nh\u00e0 m\u00e1y chuy\u00ean s\u1ea3n xu\u1ea5t \u1ed5 tr\u1ee5c d\u1ea7u \u1edf n\u01b0\u1edbc ta, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf khi c\u1ea7n thi\u1ebft.<\/strong><\/p>\n\n\n\n

V\u1eadt li\u1ec7u luy\u1ec7n kim b\u1ed9t l\u00e0 m\u1ed9t lo\u1ea1i kim lo\u1ea1i x\u1ed1p, c\u00f3 c\u1ea5u tr\u00fac x\u1ed1p. N\u1ebfu \u0111\u01b0\u1ee3c ng\u00e2m trong d\u1ea7u b\u00f4i tr\u01a1n, l\u1ed7 ch\u00e2n l\u00f4ng si\u00eau nh\u1ecf ch\u1ee9a \u0111\u1ea7y d\u1ea7u b\u00f4i tr\u01a1n v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t lo\u1ea1i d\u1ea7u, c\u00f3 \u0111\u1eb7c t\u00ednh t\u1ef1 b\u00f4i tr\u01a1n. V\u1eadt li\u1ec7u kim lo\u1ea1i x\u1ed1p c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p v\u00e0 ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng kh\u00f4ng va ch\u1ea1m tr\u01a1n tru v\u00e0 v\u1eadn t\u1ed1c trung b\u00ecnh v\u00e0 nh\u1ecf.<\/strong><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

As we all know, there are many kinds of bearing materials in the market. There are three kinds of common bearing materials: metal materials, porous metal materials, and non-metamaterials. Metal Materials Bearing alloys, bronze, aluminum-based alloys, zinc-based alloys, etc. are all metal materials. Among them, bearing alloys, also known as white alloys, are mainly alloys of…<\/p>","protected":false},"author":2,"featured_media":19663,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/09\/1-3.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13683"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=13683"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13683\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19663"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=13683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=13683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=13683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}