Iinkcukacha zobuchwephesha bokwenziwa kweshaft engundoqo yejenereyitha yeinjini yomoya

1. Ukunyibilika

Intsimbi ephambili ye-shaft kufuneka inyibilikiswe kusetyenziswa iziko zombane, ngokucoca ngaphandle kwesithando somlilo kunye ne-vacuum degassing.

2.Ukwenza

I-shaft ephambili kufuneka yenziwe ngokuthe ngqo kwii-ingots zetsimbi. Ukulungelelaniswa phakathi kwe-axis ye-shaft ephambili kunye nomgca ophakathi we-ingot kufuneka kugcinwe kangangoko kunokwenzeka. Isibonelelo esaneleyo sezinto eziphathekayo kufuneka sinikezwe kuzo zombini iziphelo ze-ingot ukuqinisekisa ukuba i-shaft eyintloko ayinayo imingxuma yokunciphisa, ukuhlukana okukhulu, okanye ezinye iziphene ezibalulekileyo. Ukubunjwa kwe-shaft engundoqo kufuneka kwenziwe kwizixhobo zokubumba ezinomthamo owaneleyo, kwaye umlinganiselo wokubunjwa kufuneka ube mkhulu kune-3.5 ukuqinisekisa ukubunjwa okupheleleyo kunye ne-microstructure efanayo.

I-3.Unyango olushushu Emva kokwenza i-forging, i-shaft ephambili kufuneka iqhube unyango lwe-normalizing ukushisa ukuphucula isakhiwo sayo kunye nokusebenza. I-Welding ye-shaft engundoqo ayivumelekanga ngexesha lokucubungula kunye nokukhwabanisa.

4.Ukwakheka kweekhemikhali

Umthengisi kufuneka aqhube uhlalutyo lwe-melt kwibhetshi nganye yensimbi engamanzi, kwaye iziphumo kufuneka zihambelane nemimiselo efanelekileyo. Iimfuno ze-hydrogen, i-oxygen, kunye ne-nitrogen content (iqhekeza lobuninzi) kwintsimbi zimi ngolu hlobo lulandelayo: umxholo we-hydrogen ongadluli kwi-2.0X10-6, umxholo we-oksijini awudluli kwi-3.0X10-5, kunye nomxholo we-nitrogen ongadluli kwi-1.0X10-4. Xa kukho iimfuno ezikhethekileyo kumthengi, umthengisi kufuneka aqhube uhlalutyo lwemveliso egqityiweyo ye-shaft ephambili, kwaye iimfuno ezithile kufuneka zichazwe kwikhontrakthi okanye umyalelo. Ukuphambuka kwimida evumelekileyo yohlalutyo lwemveliso egqityiweyo kuvunyelwe ukuba kuchazwe yimimiselo efanelekileyo.

5.Iimpawu zeMechanical

Ngaphandle kokuba kuchazwe ngenye indlela ngumsebenzisi, iimpawu zomatshini zeshaft engundoqo kufuneka zihlangabezane neemfuno ezifanelekileyo. Ubushushu bovavanyo lwempembelelo ye-Charpy ye-42CrMoA ishaft engundoqo yi--30 ° C, ngelixa i-34CrNiMoA ishaft engundoqo, yi-40 ° C. Ukufunxwa kwamandla empembelelo yeCharpy kufuneka kuqinisekiswe ngokusekwe kwi-arithmetic mean ye-specimens emithathu, ukuvumela umboniso omnye ube nesiphumo sovavanyo esingaphantsi kwexabiso elichaziweyo, kodwa singabi ngaphantsi kwe-70% yexabiso elichaziweyo.

6.Ubunzima

Ukufana kobunzima kufuneka kuhlolwe emva kokusebenza kobushushu bokusebenza kwe-shaft engundoqo. Umahluko kubulukhuni kumphezulu we-shaft engundoqo efanayo akufanele idlule i-30HBW.

7.Uvavanyo olungonakalisi IiMfuno ngokuBanzi

I-shaft ephambili ayifanele ibe neziphene ezifana nokuqhekeka, amabala amhlophe, imingxuma yokunciphisa, ukugoqa, ukuhlukana okunzima, okanye ukuqokelela okunzima kokufakwa kwe-non-metallic echaphazela ukusebenza kwayo kunye nomgangatho ophezulu. Kwiishafti eziphambili ezinemingxuma esembindini, umgangatho ongaphakathi womngxuma kufuneka uhlolwe, ofanele ucoceke kwaye ungabi nabala, i-thermal spalling, i-rust, i-tool fragments, amanqaku okusila, imikrwelo, okanye i-spiral flow lines. Iinguqu ezigudileyo kufuneka zibekho phakathi kweedayamitha ezahlukeneyo ngaphandle kwee-engile ezibukhali okanye imiphetho. Emva kokucima kunye nokutshisa unyango lobushushu kunye nokujika okukrakra komhlaba, i-shaft ephambili kufuneka ifumane i-100% yokufumanisa impazamo ye-ultrasonic. Emva kokuchaneka ngokuchanekileyo komphandle we-shaft engundoqo, ukuhlolwa kwe-particle magnetic kufuneka kuqhutywe kuwo wonke umphezulu wangaphandle kunye nobuso bobabini bokugqibela.

8.Ubungakanani benkozo

Umyinge wesayizi weenkozo zeshaft engundoqo emva kokucinywa kunye nokutshisa kufuneka ube mkhulu okanye ulingane namabakala angama-6.0.