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我厂有个产品,其结构如图所示,材质3Cr2W8V,热处理硬度46~52HRC。该工件内孔L/d=6.24,属深孔磨削,并且精度要求高。
I plant a product, its structure as shown, the material 3Cr2W8V, heat treatment hardness 46 ~ 52HRC. The workpiece bore L / d = 6.24, is a deep hole grinding, and high precision.