Rabewa daSkaratu a kanKayayyakin Yankan Carbide Siminti

Kashi na daya

Kayan aiki kayan aiki ne wanda ba makawa a cikin yankan aiki, ko kayan aikin injin ne na yau da kullun, ko kayan aikin injin sarrafa lambobi (NC), cibiyar mashin (MC) da tsarin masana'anta mai sassauƙa (FMC), dole ne su dogara da kayan aikin don kammala yankan. tsari. Haɓaka kayan aikin yana da tasiri kai tsaye akan inganta yawan aiki da ingancin sarrafawa. Material, tsari da lissafi sune abubuwa uku da ke ƙayyade aikin yanke kayan aiki, wanda aikin kayan aiki yana taka muhimmiyar rawa.

A matsayin muhimmin sashi na kayan aiki, simintin carbide yana taka rawar da ba za a iya maye gurbinsa ba a cikin sarrafa yankan zamani. Cemented carbide babban taurin, refractory karfe carbide (WC, TiC, da dai sauransu) na micron tsari na girma foda, sintered tare da Co, Mo, Ni da sauran m foda karafa kayayyakin, wanda babban zafin jiki carbide abun ciki ya wuce high high. -Seed karfe, da izinin yankan zafin jiki har zuwa 800 ~ 1000 ℃, da al'ada zafin jiki taurin na HRC89 ~ 93, 760 ℃ taurin na HRC77 ~ 85, yankan gudun har zuwa 100 ~ 300m / min, fiye da high-gudun karfe, rayuwa sau da yawa zuwa dozin na lokuta na ƙarfe mai sauri, amma ƙarfin da taurin shine kawai 1/30 ~ 1/8 na ƙarfe mai sauri, rashin ƙarfi don tsayayya da girgiza da tasiri. Yanzu ya zama ɗaya daga cikin manyan kayan aikin kayan aiki.

International Organisation for Standardization (ISO) ta raba carbide don yanke kayan aikin zuwa rukuni shida:

1. Nau'in P

Ya ƙunshi WC, Co da 5% ~ 30% TiC, wanda kuma aka sani da tungsten titanium cobalt carbide, grade YT5, YT14, YT15, YT30, wanda abun ciki na TiC shine 5%, 14%, 15%, 30%, daidai. Co abun ciki shine 10%, 8%, 6%, 4%, taurin HRA91.5 ~ 92.5. TYana lankwasawa ƙarfi ne 900 ~ 1400MPa. Abun cikin TiC ya ƙaru, abun cikin Co ya ragu, taurin kai da juriya ya ƙaru, amma ƙarfin tasirin ya ragu sosai. Irin wannan gami yana da tsayin daka da juriya, mai kyau mannewa da juriya yaduwa da juriya na iskar shaka. Amma lankwasawa ƙarfi, nika yi da thermal conductivity rage, low zazzabi brittleness, taurin ne matalauta. Dace da babban gudun yankan karfe abu. Mafi girman abun ciki na Co na gami, mafi kyawun ƙarfin lanƙwasawa da taurin tasiri, dace da roughing. An rage yawan abun ciki na Co, taurin, juriya da juriya na zafi yana ƙaruwa, kuma ya dace da kammalawa. Dangantakar da ke tsakanin sinadarin Ti a cikin alloy da Ti element a cikinkayan aikizai samar da wani abu mai mahimmanci mai mannewa kayan aiki, wanda zai kara girman kayan aiki a cikin yanayin yankan zafin jiki mai girma da kuma babban juzu'i, kuma bai dace da sarrafa bakin karfe da titanium gami ba.

2. Nau'in K

Ya ƙunshi WC da Co, wanda kuma aka sani da tungsten cobalt tungsten carbide, waɗanda aka saba amfani da su YG6, YG8, YG3X, YG6X, mai ɗauke da Co na 6%, 8%, 3%, 6%. Hardness HRA89 ~ 91.5, karfin lankwasawa 1100 ~ 1500GPa. An raba tsarin zuwa hatsi mara nauyi, matsakaicin hatsi da hatsi mai kyau. Gabaɗaya (kamar YG6, YG8) don tsarin hatsi na matsakaici, ingantaccen ƙwayar hatsi (kamar YG3X, YG6X) mai ɗauke da adadin Co fiye da taurin hatsi,tajuriya ya dan kadan sama, lankwasawa ƙarfi kumataurisu nekadan kasa. Irin wannan nau'in taurin gami, niƙa, haɓakawar thermal yana da kyau, ya dace da sarrafa kayan gaggautsa.

3. Nau'in M

Dangane da WC, TiC da Co, TaC (ko NbC) an ƙara zuwa abun da ke ciki, ƙara TaC (NbC) zuwa YT na iya haɓaka ƙarfin lanƙwasawa, ƙarfin gajiya, ƙarfin tasiri, taurin zafin jiki mai ƙarfi, ƙarfi da juriya oxidation, lalacewa. juriya da sauransu. Makin da aka fi amfani da shi YW1 da YW2. Ana iya amfani da shi don sarrafa simintin ƙarfe, ƙarfe mara ƙarfe da ƙarfe, amma kuma yana iya sarrafa gami mai zafin jiki, bakin karfe da sauran wahala.-to-kayan aiki.

4. Nau'in H

An fi amfani da shi don yanke manyan abubuwa masu tauri, kamar taurin ƙarfe, baƙin ƙarfe mai sanyi da sauransu. An jera Cubic boron nitride PCBN a cikin Class H.

5.Nau'in S

Ana amfani dashi don yankan kayan da ke jure zafi,super-alloys, da dai sauransu.

6.Nau'in H

Ana amfani da shi don yankan karafa marasa ƙarfe. Polycrystalline lu'u-lu'u PCD an haɗa shi a cikin aji N.

A cikin wannan labarin, na ambaci nau'ikan siminti na siminti guda shida ta hanyar rarraba kayan aikin yankan, sashi na gaba, za a sami ƙarin sabbin nau'ikan simintin carbide don ƙarewa, don Allah don Allah’manta da duba rabin na gaba idan kuna sha'awar.

ZZBETTER yana samar da samfuran TC / WC tare da gogewar shekaru sama da 10, tuntuɓe mu idan kuna da wasu buƙatu game da kayan tungsten carbide ko samfuran fuskantar wuya. Jira tambayar ku, tabbas muna da amana.