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熱流道真空擴(kuò)散焊加工要求

Publisher: Administrator Date:2022-05-16


熱流道真空擴(kuò)散焊加工前的問(wèn)答要求:
1
:材料長(zhǎng)寬高和流道需要預(yù)留多少加工?

答:材料長(zhǎng)寬單邊預(yù)留1mm;高度外表面單邊預(yù)留1.5-2 mm;流道深度單邊加深0.05mm0.08mm

2:原料平面度要達(dá)到什么要求?

原料平面度要求0.03mm,光潔度≤0.4Ra。

3定位銷要怎么預(yù)留給方便加工?

銷與孔配合公差0.02-0.03mm;銷高度比孔深度≤2mm。

4 焊接后硬度達(dá)到多少?

模具鋼焊接后硬度一般是HRC20 焊后熱處理即可

建議:焊接完,精加工之后后再做個(gè)流體拋光。

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