Nyob rau hauv txoj kev forging ntawm txhuas bronze phaj, ntxiv rau xuab zeb casting, xuab zeb casting, nyem casting, lub ntiajteb txawj nqus casting thiab siab -purity graphite casting kuj tau lug siv nyob rau hauv cam khwb cia tooj liab qhov chaw thiab lwm yam uas tsis yog -ferrous. aluminium alloys. txoj kev forging.
Cov khoom siv hlau yog smelted rau hauv ib qho kev daws teeb meem uas ua tau raws li qee qhov kev xav tau thiab nchuav rau hauv pwm. Tom qab txias thiab condensation, loj - txoj kab uas hla tooj liab yeeb nkab - dipped tooj liab yeeb nkab - txhuas txhuas bronze phaj - txhuas bronze phaj - liab tooj liab ntxuam coil chav tsev yog forged nyob rau hauv alloy tooj liab. Nyob rau hauv cov txheej txheem, cov xuab zeb mould casting txoj kev yog siv los ua kom lub condensation ntawm txhuas alloys, uas muaj ib tug tseem ceeb nyhuv ntawm kev txhim kho qhov zoo ntawm tooj liab castings thiab txo welding tsis xws luag.
Xuab zeb casting tuaj yeem tsim cov pob zeb sib cais (tshwj xeeb tshaj yog rau txhuas bronze thiab manganese liab tooj liab) kom txo tau cov cua vents, txhim kho kev ua tau zoo thiab sealing ntawm txhuas alloys (tshwj xeeb tshaj yog tseem ceeb rau tin bronze), nyob rau hauv aluminium bronze phaj thiab lwm yam siab - kab txhuas cov ntsiab lus alloy tooj liab , Siv cov khoom siv hlau (thiab nws cov dej-txias cua sov dissipation hlau cov khoom siv hom) rau forging, uas tuaj yeem zam qhov shrinkage ntawm tooj liab cov ntsiab lus.
Thiab vim hais tias muaj ntau yam cylindrical qhov chaw (dov bearings, bushings) ntawm cov alloy tooj liab castings, lub phaj tooj liab liab siv txoj kev nyem casting ntau dua.
Tsis tas li ntawd, lub ntiajteb txawj nqus casting kuj tseem siv tau rau qhov loj thiab nruab nrab- loj tooj liab castings (xws li loj thiab nruab nrab-sized propellers rau nkoj) los txhim kho cov txheeb ze ntawm txhuas alloys. Ntxiv nrog rau impurities, qee cov hlau alloy tooj liab (xws li tooj dag txhuas) kuj tuaj yeem raug forged los ntawm kev ua haujlwm siab.
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