Vim li cas lub sheave los yog puller yuav tsum tau phosphate blackening?

Cov PULLEY yog ib hom hub, thiab cov khoom siv feem ntau yog cam khwb cia hlau. Cov txheej txheem kev tsim khoom feem ntau yog ua los ntawm kev casting thiab forging. Yog li ntawd, cov khoom siv rub tawm yam tsis muaj kev kho saum npoo yog ua rau burrs ntawm qhov chaw thiab tuaj yeem ua mob rau koj txhais tes. Lawv kuj tuaj yeem tsim xeb tom qab siv mus ntev hauv qhov chaw ntub dej. xeb phenomenon.

Tam sim no, feem ntau siv nto kho ntawm pulleys yog phosphating thiab blackening. Cov txheej txheem yog roj thiab xeb tshem tawm - dej ntxuav - qhov chaw txias - phosphating - dej ntxuav - chromate kho - ziab - roj lossis dyeing kho:

Tom qab lub pulley yog phosphated thiab blackened, lub pulley muaj ib tug zoo dua tag nrho-dub tsos. Qhov tseem ceeb yog tias tom qab lub pulley yog phosphated thiab blackened, nws tsis yooj yim rau xeb. Kev pabcuam lub neej ntawm lub pulley yog txuas ntxiv, uas tuaj yeem pab cov neeg siv khoom txo nqi.