Thaum cov nplais ntawm lub hydraulic piston pas nrig yog quenched, nws tsuas yog tempered los ntawm nws tus kheej residual tshav kub, thiab vim hais tias tempering kub yog maj txo, yog tsis muaj tiav tempering thiab heat txuag txheej txheem, lub sij hawm tempering lub sij hawm luv luv, thiab kev nyuaj siab yog tshem tawm. Incomplete, muaj ntau qhov kev ntxhov siab nyob hauv qee yam khoom. Yog li ntawd, yuav tsum ua ntxiv.
Qhov no yog vim hais tias nyob rau hauv cov tom qab ua tiav ntawm hydraulic piston pas nrig, yog tias tseem tshuav ntau qhov kev nyuab siab, kev ntxhov siab nyob rau hauv lub sij hawm sib tsoo yuav tsum superimposed rau nws. Thaum muaj kev ntxhov siab tshaj lub zog ntawm lub pob tensile ntawm cov khoom, lub pob zeb piston pliav yuav tsim tawm cov kab nrib pleev. Yog tias qhov kev nyuab siab tsis tshaj qhov muaj zog ntawm cov khoom siv thiab muaj nyob hauv cov khoom ua qhov ntxhov siab, qhov plating yuav tawg tau vim rov faib cov kev ntxhov siab tom qab chrome plating lossis thaum siv, ua rau cov kab nrawm hauv chrome plating txheej.
Yuav kom tiv thaiv tau tej teeb meem, hydraulic piston pas nrig yuav tsum tau ua kom zoo dua ua ntej chrome plating kom tshem tawm cov kev ntxhov siab hauv kev sib tsoo los ntawm kev sib tsoo thiab kev kho deg. Kev kub ntxhov siab tsis sov siab yog 200-230 ° C, thiab tom qab 190 feeb ntawm kev txuag sov, lub cub tawg yog txias rau 160 ° C kom txias.
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