? 如(ru)何避免銅(tong)板、銅(tong)帶表(biao)面出現(xian)凹坑(keng)
? 冷軋(ya)(ya)(ya)的(de)銅板(ban)的(de)表(biao)(biao)面(mian)有時(shi)會(hui)有起(qi)皮,凹坑(keng),麻點(dian)的(de)現象發生(sheng),原因(yin)之一(yi)(yi)是(shi)在(zai)(zai)加工(gong)時(shi)需要經過多(duo)道(dao)軋(ya)(ya)(ya)制(zhi)工(gong)序。在(zai)(zai)一(yi)(yi)道(dao)過程(cheng)中(zhong),表(biao)(biao)面(mian)沒(mei)有清洗干凈就會(hui)有氧化物(wu)(wu)附在(zai)(zai)銅板(ban)表(biao)(biao)面(mian),下一(yi)(yi)道(dao)軋(ya)(ya)(ya)制(zhi)時(shi)就被壓(ya)軋(ya)(ya)(ya)在(zai)(zai)銅板(ban)中(zhong),造成銅板(ban)在(zai)(zai)成品加工(gong)時(shi),氧化物(wu)(wu)脫落,形(xing)成了凹坑(keng)、麻點(dian)等(deng)缺(que)陷(xian)。
? 另一種情況就是(shi)由(you)于運輸的過(guo)程中(zhong)(zhong)包(bao)裝(zhuang)的嚴密(mi)性不(bu)夠,造成銅(tong)板(ban)于銅(tong)板(ban)之間的間隙過(guo)大,在(zai)運輸的過(guo)程中(zhong)(zhong)由(you)于車輛(liang)顛簸等情況,引起表面碰(peng)撞摩(mo)擦(ca),銅(tong)材特別是(shi)紫銅(tong)本(ben)身(shen)就屬于比(bi)較軟的金屬,在(zai)碰(peng)撞和摩(mo)擦(ca)后就難免(mian)會留(liu)下難看的凹坑。
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