Thanh cacbua vonfram c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thanh cacbua xi m\u0103ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c c\u00f4ng c\u1ee5 cacbua r\u1eafn ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 dao phay, dao phay ng\u00f3n, m\u00e1y khoan v\u00e0 m\u0169i doa. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft, d\u1eadp v\u00e0 \u0111o l\u01b0\u1eddng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y, bao b\u00ec, in \u1ea5n v\u00e0 gia c\u00f4ng kim lo\u1ea1i m\u00e0u.<\/p>\r\n
C\u00e1c thanh cacbua c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 cho c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft v\u00e0 khoan m\u00e0 c\u00f2n cho c\u00e1c kim \u0111\u1ea7u v\u00e0o, c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb m\u00f2n cu\u1ed9n kh\u00e1c nhau v\u00e0 v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u. Ngo\u00e0i ra, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y m\u00f3c, h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed, luy\u1ec7n kim, \u0111i\u1ec7n t\u1eed v\u00e0 c\u00f4ng nghi\u1ec7p qu\u1ed1c ph\u00f2ng.<\/p>\r\n
Chuy\u00ean v\u1ec1 thanh tr\u00f2n cacbua vonfram, v\u1edbi d\u00f2ng s\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt l\u00e0 ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 thanh cacbua r\u1eafn, ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p c\u00e1c thanh cacbua ch\u01b0a m\u00e0i v\u00e0 \u0111\u00e3 m\u00e0i cho b\u1ea1n. Kho\u1ea3ng tr\u1ed1ng c\u00f4ng c\u1ee5 c\u1eaft v\u00e1t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng h6 c\u1ee7a ch\u00fang t\u00f4i l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\r\n
T\u1ea1i \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra 4 lo\u1ea1i thanh cacbua: c\u00e1n n\u1ed1i d\u00e0i cacbua, ph\u00f4i thanh cacbua, thanh cacbua c\u00f3 l\u1ed7 t\u01b0\u1edbi ngu\u1ed9i v\u00e0 ph\u00f4i d\u1ee5ng c\u1ee5 c\u1eaft. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m thanh cacbua \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh s\u1eb5n theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\r\n
Ph\u1ea1m vi c\u1ea5p \u0111\u1ed9 ph\u1ee7 c\u1ee7a ch\u00fang t\u00f4i t\u1eeb ISO K05 \u0111\u1ebfn K40, t\u1eeb gia c\u00f4ng nh\u00f4m, th\u00e9p, kim lo\u1ea1i m\u00e0u, \u0111\u1ebfn titan ho\u1eb7c ch\u00fang t\u00f4i ph\u00e1t tri\u1ec3n c\u1ea5p \u0111\u1ed9 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. MT10S lo\u1ea1i coban 10% c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 gia c\u00f4ng nh\u00f4m v\u00e0 th\u00e9p ho\u1eb7c \u1ee9ng d\u1ee5ng chung. MT12S lo\u1ea1i coban 12% c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 gia c\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 MT25S c\u1ee7a ch\u00fang t\u00f4i v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t 0,4um d\u00e0nh cho gia c\u00f4ng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao. Nh\u1edd s\u1ef1 h\u1ee3p t\u00e1c s\u00e2u s\u1eafc c\u1ee7a ch\u00fang t\u00f4i v\u1edbi \u0110\u1ee9c HCStarck<\/a>, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng lo\u1ea1i b\u1ed9t t\u1ed1t nh\u1ea5t cho thanh cacbua tr\u00ean th\u1ebf gi\u1edbi cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 s\u1ea3n xu\u1ea5t thanh cacbua.<\/p>\r\n
Bi\u1ec3u \u0111\u1ed3 l\u1edbp<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
c\u1ea5p<\/td>\r\n | \u00a0<\/td>\r\n | MT09U<\/td>\r\n | MT10S<\/td>\r\n | MT12S<\/td>\r\n | MT25S<\/td>\r\n | MT06U<\/td>\r\n | MT20.8<\/td>\r\n<\/tr>\r\n |
Ph\u1ea1m vi ISO<\/td>\r\n | \u00a0<\/td>\r\n | K10-K20<\/td>\r\n | K20-K40<\/td>\r\n | K20-K40<\/td>\r\n | K20-K40<\/td>\r\n | K05-K10<\/td>\r\n | K40-K50<\/td>\r\n<\/tr>\r\n |
WC + cacbua kh\u00e1c<\/td>\r\n | %<\/td>\r\n | 91<\/td>\r\n | 90<\/td>\r\n | 88<\/td>\r\n | 88<\/td>\r\n | 93.5<\/td>\r\n | 85<\/td>\r\n<\/tr>\r\n |
\u0110\u1ed3ng<\/td>\r\n | %<\/td>\r\n | 9<\/td>\r\n | 10<\/td>\r\n | 12<\/td>\r\n | 12<\/td>\r\n | 6.5<\/td>\r\n | 15<\/td>\r\n<\/tr>\r\n |
K\u00edch th\u01b0\u1edbc h\u1ea1t WC<\/td>\r\n | m<\/td>\r\n | 0.4<\/td>\r\n | 0.8<\/td>\r\n | 0.6<\/td>\r\n | 0.4<\/td>\r\n | 0.6<\/td>\r\n | 0.8<\/td>\r\n<\/tr>\r\n |
t\u1ec9 tr\u1ecdng<\/td>\r\n | g \/<\/td>\r\n | 14.5<\/td>\r\n | 14.42<\/td>\r\n | 14.12<\/td>\r\n | 14.1<\/td>\r\n | 14.85<\/td>\r\n | 13.95<\/td>\r\n<\/tr>\r\n |
\u0111\u1ed9 c\u1ee9ng<\/td>\r\n | Hv30<\/td>\r\n | 1890<\/td>\r\n | 1600<\/td>\r\n | 1580<\/td>\r\n | 1750<\/td>\r\n | 1890<\/td>\r\n | 1350<\/td>\r\n<\/tr>\r\n |
HRA<\/td>\r\n | \u00a0<\/td>\r\n | 93.5<\/td>\r\n | 91.5<\/td>\r\n | 91.2<\/td>\r\n | 92.5<\/td>\r\n | 93.5<\/td>\r\n | 89.5<\/td>\r\n<\/tr>\r\n |
s\u1ee9c m\u1ea1nh ngang<\/td>\r\n | N \/ mm\u00b2<\/td>\r\n | 3800<\/td>\r\n | 4100<\/td>\r\n | 4200<\/td>\r\n | 4400<\/td>\r\n | 3700<\/td>\r\n | 3800<\/td>\r\n<\/tr>\r\n |
kpsi<\/td>\r\n | \u00a0<\/td>\r\n | 590<\/td>\r\n | 609<\/td>\r\n | 638<\/td>\r\n | 540<\/td>\r\n | 551<\/td>\r\n | 551<\/td>\r\n<\/tr>\r\n |
g\u00e3y x\u01b0\u01a1ng<\/td>\r\n | Mpa.m\u00bd<\/td>\r\n | 10.2<\/td>\r\n | 14.2<\/td>\r\n | 14.7<\/td>\r\n | 13.5<\/td>\r\n | 10.1<\/td>\r\n | 17.5<\/td>\r\n<\/tr>\r\n |
young’s modulus<\/td>\r\n | kpsi<\/td>\r\n | 86780<\/td>\r\n | 85360<\/td>\r\n | 80860<\/td>\r\n | 80000<\/td>\r\n | 91000<\/td>\r\n | 79086<\/td>\r\n<\/tr>\r\n |
c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n<\/td>\r\n | kpsi<\/td>\r\n | 1145<\/td>\r\n | 1015<\/td>\r\n | 1010<\/td>\r\n | 1109<\/td>\r\n | 1156<\/td>\r\n | 957<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n \u1ee8ng d\u1ee5ng<\/p>\r\n Thanh cacbua ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e1y khoan, m\u00e1y nghi\u1ec1n cu\u1ed1i v\u00e0 m\u0169i khoan. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eaft, d\u1eadp v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y, bao b\u00ec, in \u1ea5n v\u00e0 kim lo\u1ea1i m\u00e0u. Ngo\u00e0i ra, n\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ebf bi\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 th\u00e9p t\u1ed1c \u0111\u1ed9 cao, dao phay cacbua, d\u1ee5ng c\u1ee5 cacbua, m\u00e1y khoan cacbua, th\u00e9p t\u1ed1c \u0111\u1ed9 cao, c\u00f4ng c\u1ee5 cacbua, v.v ... Thanh cacbua kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f4ng c\u1ee5 c\u1eaft v\u00e0 khoan m\u00e0 c\u00f2n cho kim \u0111\u1ea7u v\u00e0o, c\u00e1c b\u1ed9 ph\u1eadn cu\u1ed9n kh\u00e1c nhau v\u00e0 v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u. Ngo\u00e0i ra, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c, nh\u01b0 m\u00e1y m\u00f3c, h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed, luy\u1ec7n kim, \u0111i\u1ec7n t\u1eed v\u00e0 c\u00f4ng nghi\u1ec7p qu\u1ed1c ph\u00f2ng<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n |