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热流道真空扩散焊加工要求

Publisher: Administrator Date:2022-05-16


热流道真空扩散焊加工前的问答要求:
1
:材料长宽高和流道需要预留多少加工?

答:材料长宽单边预留1mm;高度外表面单边预留1.5-2 mm;流道深度单边加深0.05mm0.08mm

2:原料平面度要达到什么要求

原料平面度要求0.03mm,光洁度≤0.4Ra

3定位销要怎么预留给方便加工?

销与孔配合公差0.02-0.03mm;销高度比孔深度≤2mm

4 焊接后硬度达到多少?

模具钢焊接后硬度一般是HRC20 焊后热处理即可

建议:焊接完,精加工之后后再做个流体抛光。

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