[技術] 如何研磨成鏡面?
目前自己研磨模具(真空模) 鋁合金6061
用手拋 先用砂紙320 680 800 1000
拋完感覺非常難看 完全沒有光亮的感覺
摸起來感覺很粗糙又難看
跟外面模具比起來差很多
別人拋得很亮又鏡面
是我砂紙用太粗嗎?
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