He kūlana ko PTJ Shop no ka ʻenehana ʻana i nā ʻāpana maikaʻi mai 440 kuhiliʻole. Hiki iā mākou ke mīkini i nā ʻāpana intricate ma kā mākou mīkini CNC Swiss a me nā kikowaena huli CNC.

Hoʻohālikelike ʻia ka hui kemika o martensitic kuhiliʻole kila e ka hoʻohui ʻana o nā mea e like me molybdenum, tungsten, vanadium, a me niobium e pili ana i ka hoʻohui o nā mea like ʻole o 0.1% -1.0% C a me 12% -27% Cr. ʻOiai ke ʻano o ke kino i kahi kino cubic centered o ke kino, hāʻule nui ka ikaika i nā mahana wela. Ma lalo o 600 ° C, ʻo ka ikaika o ka mahana wela ka mea kiʻekiʻe ma waena o nā ʻano o nā kila kila, a ʻo ka ikaika kolo ka mea kiʻekiʻe loa hoʻi. 440A he waiwai kinai maikaʻi loa a paʻakikī loa a me ka paakiki kiʻekiʻe. He ʻoi aku kona kiʻekiʻe ma mua o 440B kila a me 440C kila. Hoʻohana ʻia ʻo 440B no ka ʻoki ʻana i nā pono hana, ke ana ʻana i nā pono hana, nā bearings a me nā kiwikā. ʻOi aku kona paʻakikī kiʻekiʻe ma mua o 440A kila a ʻoi aku ka paʻakikī ma mua o 440C kila. ʻO ka 440C ka paʻakikī ʻoi loa o nā kila kila a me nā mea pale wela a hoʻohana ʻia no nā nozela a me nā bearings. ʻO 440F kahi pae kila e hoʻomaikaʻi ai i nā ʻoki maʻalahi o 440C kila no ka lathes akomi.

He kumu kūʻai kumu kūʻai ʻo 440 o 6.3 ke hoʻohālikelike ʻia i ke kila 12L14. ʻAʻole kūpono ia no ka kuʻihao a hana ʻana paha. 440 hiki ke hoʻopuni, mālama i ka wela, a annealed.

 leka mākou SS 440 Machining lawelawe mīkini i kēia lā e kūkākūkā i nā kikoʻī o kāu mau ʻāpana paʻakikī.