ʻO ke kumu nui o ka hoʻokomo ʻana i ka carbide

1, ua pilikia ke kūʻai ʻana i nā mea kūʻai aku ʻo CNC e ka ʻaʻahu ʻana o nā lau CNC, nā ʻāpana abrasive a i ʻole kekahi mau wahi paʻakikī liʻiliʻi ma ka ʻili o ka mea hana (e like me ka carbide, oxide, etc.) a me nā haumia (e like me ke one, oxide. , a me nā mea'ē aʻe), a me ka hoʻopili ʻana o ka ʻōpala puʻupuʻu chip, a me nā mea ʻē aʻe, kahi ʻaʻahu mechanical i hana ʻia e nā ʻōpala i kālai ʻia ma ka ʻili o ka ʻili CNC.No nā mea hana kila kiʻekiʻe me ka māmā haʻahaʻa i manaʻo ʻia a me ka mahana ʻoki haʻahaʻa (e like me ka broach, die, tap, etc.), ʻo ia ke kumu nui o ka ʻaʻahu.

2. Hoʻopili ka ʻaʻahu adhesive i ka hoʻopili ʻana i ka ʻili hou ma lalo o ke kaomi maikaʻi a me ka ʻoki ʻana i ka mahana ma waena o ke alo mea hana hope o ka ʻili CNC a me ka ʻili mea hana a me ka maka mea hana mua o ka ʻili CNC a me nā ʻāpana.Ke hiki ka ʻili pili i ka mamao interatomic, hiki ke ʻano mea hoʻopaʻa adsorption.ʻOki liʻiliʻi a ʻokiʻoki ʻia ka ʻāpana hui e ka mea hana a i ʻole nā ​​ʻāpana, a ʻo ka ʻili o ka lau CNC e hoʻopuka i ka lole paʻa.ʻO ka ʻaʻahu adhesive kekahi o nā kumu nui o ka hoʻohana ʻana i ka carbide cemented i ka wā e ʻoki ai i ka wikiwiki a me ka wikiwiki haʻahaʻa.

3, aahu diffusion i ke kiʻekiʻe wela, kiʻekiʻe puʻe, CNC pahi mea a me ka workpiece mea i loko o ka paʻa kūlana o kekahi mau mea kemika i loko o ka liʻiliʻi like diffusion, ʻo ia hoʻi, tungsten carbide Ti, w, Co a me nā mea e like me ke kila diffusion, a me ka mea hana Fe, C a me nā mea ʻē aʻe i ka laha ʻana o ka lau CNC, ka hopena i ka paʻakikī o ka ʻili o ka mea hana, ka emi ʻana o ka heluhelu ʻana, ka piʻi ʻana o ka brittleness, ka hoʻoikaika ʻana i ka mea hana.ʻIke ʻia kēia me ka lole diffusion, a ʻo ka lole diffusion kekahi o nā kumu nui o ka hoʻohana ʻana i nā mea ʻoki carbide cemented i nā wela kiʻekiʻe mua (800″900°C).

4, maʻamau W, Co diffusion rate ʻoi aku ka wikiwiki ma mua o Ti, Ta, no laila ʻoi aku ka maikaʻi o ka ʻoki ʻana i ka wela o ka papa YT papa cemented carbide ma mua o ka papa YG.Ka lole hoʻololi o ka pae I ka wā e ʻoki ai me nā mea kila kiʻekiʻe, ke ʻoi aku ka mahana o ka ʻoki ʻana ma mua o ka hoʻololi ʻana o ka pae (550″600°C), e hoʻololi ke ʻano metallographic o ka lau CNC, no laila e emi ka paʻakikī a e wikiwiki ka lole. , No laila, ʻo ka hoʻololi ʻana o ka pae kekahi o nā kumu nui o ka ʻaʻahu ʻana o ke kila kila kiʻekiʻe.Hoʻohana kemika I kekahi mahana, ʻo ka media a puni ka ʻāpana ʻokiʻoki, e like me ka ea, ka ʻoki ʻana i ka wai, a me nā mea ʻē aʻe, e hana kemika me ka mea paahana e hana i kekahi mau pūhui palupalu a palupalu.He maʻalahi kēia mau pūhui e ʻoki ʻia a hoʻopau ʻia ka mea hana, e hopena i ka ʻaʻahu ʻana o ka lau CNC.