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我们采用电火花强化工艺技术,修复磨损报废的φ80H7、φ90H7、φ1OOH7、φ110H7硬质合金组合铰刀。修复后的铰刀铰出的孔完全符合尺寸精度和光洁度要求。这种修复方法以耗费低、见效显著,能及时解决生产急需而得到好评。电火花强化工艺技术用于对碳素工具钢、高速钢、合金钢等工模具及零件的修复已多见,但对硬质合金基体进行涂复尚少见,今就电火花强化涂复硬质合金铰刀的工艺过程介绍如下。使用的电火花强化机型号为D9130A。选用的电极材料为直径3毫来的YG8硬质合金圆棒。强化涂
We use EDM technology, repair worn scrap φ80H7, φ90H7, φ1OOH7, φ110H7 cemented carbide reamer. The repaired reamer hinged holes fully comply with dimensional accuracy and finish requirements. This method of repair to low cost, effective significant, promptly solve the production needs and get praise. EDM technology for the carbon tool steel, high-speed steel, alloy steel and other molds and parts of the repair has been more common, but the carbide substrate coating is still rare, the EDM carbide coated hinges Knife of the process described below. The EDM model used is D9130A. The electrode material used is 3 millimeters in diameter YG8 carbide rod. Strengthen the coating