1. Kev xaiv cov khoom siv: Xaiv cov khoom tsim nyog, feem ntau muaj zog alloy steel lossis aluminium alloy, kom ntseeg tau tias tus pas nrig piston muaj lub zog txaus thiab kav ntev.
2. Steel yeeb nkab ua: Txiav lub piston pas nrig ntawm qhov yuav tsum tau ntev ntawm ib tug haum steel yeeb nkab. Cov yeeb nkab steel yog ces precisely machined los ntawm machining txheej txheem xws li tig, milling thiab drilling kom tau raws li qhov xav tau sab nraud zoo thiab loj.
3. Inner qhov ua: Nyob rau hauv nruab nrab axis ntawm lub piston pas nrig, ib tug hollow puab lub qhov yog tiav los ntawm drilling los yog reaming. Qhov no hollow puab lub qhov yuav siv tau los thauj cov kua, gases los yog lwm yam xov xwm.
4. Kev kho deg: Txhawm rau txhim kho qhov hnav tsis kam thiab corrosion kuj ntawm piston pas nrig, nws qhov chaw feem ntau yog kho. Qhov no yuav suav nrog cov txheej txheem xws li chrome plating, sib tsoo lossis pleev xim kom ua rau lub ntsej muag hardness thiab smoothness ntawm piston pas nrig.
5. Kev ua tiav thiab kev sib dhos: Cov pas nrig piston tau muab cov txheej txheem kawg thiab kev hloov kho los ntawm kev ua tiav ntxiv xws li kev sib tsoo thiab polishing. Tom qab ntawd lub piston pas nrig yog sib sau ua ke nrog lwm yam khoom siv kom tiav cov khoom kawg
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