Malo omwe kolala imakumana ndi chisindikizo chamafuta amakonzedwa kudzera munjira za "mphero" ndi "surface chromium plating (Cr)".
Ubwino: Kusalala kwapamtunda kumafika ku Ra0.4 ~ Ra0.8, ndipo sikophweka kutulutsa mafuta mukakumana ndi chisindikizo chamafuta.Pamwambapa pali ukadaulo wa chromium (Cr), wokhala ndi kuuma kopitilira madigiri a HRC48, kuwonetsetsa kuti kugwiritsidwa ntchito kwanthawi yayitali osatha, komanso moyo wautumiki wa chisindikizo chamafuta ndiutali.
Nthawi yotumiza: Apr-23-2023