La dhajiyay 2016-06-22 Daahan Zinc flake waa nooc cusub oo daahan iska caabin daxalka ah, waxaa si weyn loo isticmaalo, geeddi-socodka daahan Zinc flake inta badan waa alaabta aasaasiga ah, degreasing, derusting, daahan, preheating, daaweynta, qaboojinta.
1. Degreasing: dusha workpiece waa in la dhimay, guud ahaan waxa uu leeyahay saddex siyaabood: dareere dareere organic, wakiilka biyo ku salaysan, degreasing carbonization heerkulka sare. Haddii degreasing si fiican wax ku ool ah, si toos ah u saameyn doona adhesion ee daahan.
2. Derusting iyo deburring: workpiece la miridhku ama Burr si adag loo mamnuucay daahan toos ah, waa in ay gudbaan derusting iyo deburring habka, habka this lahaa si fiican u isticmaalaan hab farsamo, fogaado acid si looga hortago embrittlement hydrogen.
3. Dahaarka:-workpiece-ka-dib-dilid iyo xoqid ka dib waa in la dhuuqo, buufin ama cadaydo si degdeg ah.
4. Pre-kuleylka: workpiece leh rinjiga daahan zinc flake on dusha sare waa in ka hor-kuleylinta 10-15 daqiiqo hoos heerkulka 120 + 20 ℃, si ay u sameeyaan daahan uumiga biyaha dareere ah.
5. Daawaynta: Qaybaha shaqada ka dib kulaylka ka hor waa inay daaweeyaan heerkul ka hooseeya 300 ℃, wakhtiga daaweynta 20-40 daqiiqo, sidoo kale waxay si habboon kor ugu qaadi kartaa heerkulka si loo gaabiyo wakhtiga daaweynta.
6. Qaboojinta: Qaybaha shaqada ka dib daawaynta waa in si buuxda loo qaboojiyaa habka qaboojinta si dib loogu habeeyo ama loo baaro alaabta la dhammeeyay.
Waqtiga boostada: Jan-13-2022