Martensitic bakin karfe piston Silinda aiki

2025-11-16

Kayan abu

1.4112 (S46990, S44003, sus440b, X90CrMoV18)

sinadaran abun da ke ciki

C: 0.85 ~ 0.95%; Si: ≤1.0%; Mn: ≤1.0%; P: ≤0.04%; S: ≤0.015%; C: 17 ~ 19%; Mo: 0.9 ~ 1.3%; V: 0.07 ~ 0.12 %; Fe: balance

Kaddarorin kayan aiki

Girma: 7.7g/cm³; Ƙarfin ƙarfi: 590MPa; Ƙarfin yawan amfanin ƙasa: 245MPa; tsawo: 15%; taurin HBW: 269; quenching da zafin zafin jiki: 55HRC.

Halin injiniya

1.4112 shine babban bakin karfe na martensitic carbon. Abubuwan da ke cikin injinsa galibi sun haɗa da ƙarfi, tauri, tauri, da sauransu. Saboda yawan carbon da abun ciki na chromium, wannan nau'in ƙarfe yana da ƙarfi da ƙarfi kuma yana iya jure matsi da lalacewa. A lokaci guda kuma, saboda taurinsa mai kyau, wannan nau'in karfe ba shi da sauƙi don haɓakawa kuma ana iya amfani dashi a cikin wurare masu rikitarwa. Mai jurewa da lalata daga yanayi mai laushi, tururin ruwa mai daɗi, ammoniya, samfuran man fetur da yawa da kayan halitta, da mahalli iri-iri marasa ƙarfi. Zazzaɓin zafi yana da ƙasa sosai, kuma taurin bayan quenching yana da girma. Taurin yakan kai HRC56-58. Yana da kyakkyawan juriya na lalata (magnetic) da ƙarfi mai ƙarfi.

Yankunan aikace-aikace

Saboda 1.4112 bakin karfe yana da kyakkyawan juriya na lalata da kaddarorin inji, ana amfani dashi sosai a cikin man fetur, masana'antar sinadarai, injiniyan ruwa, motoci, abinci da sauran fannoni. A cikin masana'antun man fetur da sinadarai, saboda kyakkyawan juriya na lalata, ana amfani da shi don kera reactors, bututun da sauran kayan aiki. A fagen aikin injiniyan ruwa, ana amfani da shi don kera mahimman sassan jiragen ruwa da dandamalin teku. A cikin filin kera motoci, ana amfani da shi don kera abubuwa kamar na'urorin shaye-shaye da na'urorin haɗi. A fannin abinci, ana amfani da shi don kera kayan dafa abinci da na'urorin sarrafa abinci saboda kyawawan halayensa na tsafta.

Ayyukan aiwatarwa

Kaddarorin tsari na 1.4112 bakin karfe sun hada da walda, magani mai zafi da kaddarorin sarrafawa. Wannan nau'in karfe yana da kyakkyawan aikin walda kuma ana iya haɗa shi ta amfani da hanyoyin walda daban-daban. Maganin zafi na iya inganta kayan aikin injinsa da juriya na lalata, amma ana buƙatar kulawa don hana tsagewa ko nakasar da ke haifar da zafi ko sanyi. Yana da kyakkyawan aikin sarrafawa kuma ana iya amfani dashi don juyawa, niƙa, hakowa, tapping da sauran ayyukan sarrafawa. Lalacewarsa shine yana da ɗanko kuma yana zafi da sauri, amma yana da sauƙin yashi fiye da kowane ƙarfe na carbon kuma yana da sauƙin yankewa da tsintsiya madaurin hannu.

Bukatun sarrafa sassa

Martensitic bakin karfe piston Silinda sarrafa1

Mafi girman daidaiton aiki shine 0.03mm, mafi girman santsi shine Rz1um, kuma madaidaicin duk saman madauwari na waje yana cikin 0.03mm.

Gudanarwa

Yin wasan kwaikwayo: ta yin amfani da matsakaicin zafin jiki da kakin zuma ya rasa madaidaicin kakin zuma.

Martensitic bakin karfe piston Silinda aiki2

Martensitic bakin karfe piston Silinda aiki3

Martensitic bakin karfe piston Silinda aiki4

Injiniya: Lathe ɗin yana riƙe da ƙarshen ƙulle ɗaya, yana yin aiki tare da firam na tsakiya, yana aiwatar da da'irar waje azaman madaidaicin tunani, sannan aiwatar da ramin ciki, yana yin jujjuyawar juyi da kyau don sarrafa saman ciki da waje, sannan ya gama juya da'irar waje da ƙarshen fuskokin duka biyun.

Martensitic bakin karfe piston Silinda sarrafa5

Martensitic bakin karfe piston Silinda aiki6

Cikakken tsarin inji

Martensitic bakin karfe fistan Silinda aiki111 (7)

1. Rike rami na ciki a gefe biyu. M Machining biyu gefe (Size10,15,16,20,27,28,30,35,36,37,38)da dukan waje surface;

Martensitic bakin karfe piston Silinda aiki111 (1)

2.Clamp gefen hagu, kuma riƙe OD surface. Machining gefen dama da ramukan ciki. M machining size NO.27---45. Ƙare girman mashin ɗin NO.72;

Martensitic bakin karfe piston Silinda aiki111 (2)

3.Clamp gefen dama, kuma riƙe OD surface, M machining gefen hagu, M machining size NO.9,10,11,12,13,14,15,16,20,21and 57-64;

Martensitic bakin karfe fistan Silinda aiki111 (3)

4. Rike cikin rami daga gefen dama, Shine tushe A. Riƙe ɓangaren daga rami na gefen hagu. Yi machining na ƙarshe a gefe biyu. Girman injin NO.9, 10-16,20,21. Kuma 23-45;