抛光等级对比表Polish Grade ComparisionBuffing Type（Emery Size or Grit Size)Ra（μm)Rmax(μm）AARH(μ in）Machining Mark60#3。2a12。5s125▽▽180#1。6a6.3s63▽▽▽220＃1。2a4.8s48▽▽▽250#0。8a3.2s32▽▽▽300#0.4a1。6s16▽▽▽350#0。25a1.0s10▽▽▽400＃0。2a0。...

时间:2025-04-13 10:39栏目:行业资料