[徵求] 鋁管的結合線問題
一般鋁擠成型管,管壁上會產生結合線.
這種結合線在外觀上要怎麼消除?除了噴厚漆以外..
像這個零件,已經有噴砂和陽極處理過,結合線仍然清晰可見.
http://cl.ly/image/131a0u3K0N45
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