Common Surface Treatments For Bolts

Coating: kuisa jira pamusoro pebhaudhi kuti ugadzire firimu rakafanana rinonatsiridza kusaonda uye kutaridzika kwayo.. Zvakanakira ndezvekuti zvinotaridzika zvakanaka, asi chakashata ndechekuti haigarike uye inokwenya nyore.
Kupisa-dip galvanizing: kunyudza bhaudhi muzinc yakanyungudutswa kuti ivandudze kusaita ngura. Chakanakira ndechekuti ine simba rinopesana nekuora uye haisi nyore kudonha, asi chakaipira ndechekuti nzvimbo yacho haina kunaka zvakakwana.
Electroplating: kunyudza bhaudhi mu electrolyte uye kuisa chidimbu chesimbi pamusoro pebhaudhi kuburikidza ne electrolysis kunatsiridza kusaora kwayo uye kutaridzika kwayo.. Zvakanakira ndezvokuti nzvimbo yacho yakatsetseka uye yakanaka, asi chakashata ndechekuti inokonzeresa kune hydrogen embrittlement.
Dacro: kunyudza mabhaudhi mune zinc-aluminium solution, kuve nechokwadi kuti bhoti yakanyatsobatana nemhinduro isati yazunungusa mhinduro yakawandisa uye nekuiomesa. Dzokorora nzira iri pamusoro apa 2-4 nguva dzekuita dense firimu pamusoro pebhaudhi, kuwana mhedzisiro ye anticorrosion. Kubatsira kweiyi nzira ndeyokuti iyo yepamusoro yakanaka uye haisi nyore kudonha, asi chakashata ndechekuti haigarike uye inokwenya nyore. Ikozvino kune hexavalent chromium-yemahara formula, iyo inonyanya kushamwaridzana nemhoteredzo.