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Design and DFM
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8H4267-B 客户提供图纸,part A  粗糙度 Ra 2.5-3.2  

金诺DFM:(1)改用专用自动喷砂机喷砂

                (2)参数设定

                             a.60#玻璃砂

                             b.温度60℃

                             c.压力3.7 PSi 

                             d.喷嘴转速2.5转/分钟

                             e.氧化抛光时间1.2分钟

8H4267-B Customer’s drawing:,part B  angle:7.153° +0.047  °
Jinnuo DFM:1.GB/T 157-2001 AT 6 dgree
                   2.use ring gauge to test with red color ,visual test