电解强化的高速钢丝锥切削性能的试验研究

Experimental Research on Cutting Property of High-Speed Steel Tap With Electrolytic Strengthening

为消除或减少丝锥刀齿的锯齿或锋刃、前后刀面的凹坑或微裂纹等缺陷,提高使用寿命,对高速钢丝锥进行了电解强化处理并对强化后的丝锥进行了攻丝试验。结果表明:丝锥的原有缺陷明显减少,第1孔的攻丝扭矩虽比具有锋刃的未强化丝锥有所增加,但随着攻丝孔数的增加,扭矩增幅显著减小且平稳,大大提高了使用寿命和切削性能。

To reduce or eliminate defects such as the saw tooth or blade of tap tooth, pits or microcrack on the rake face and flank face, and extend its service life,tapping experiment is carried out by using high-speed steel tap with electrolytic strengthening treatment. The results show the native defects of tip significantly reduce. Although the tapping torque of the first hole increases more than that of the no strengthened tap with blade, the increase range of torque significantly decreases and becomes steady with the increase of tapping number, which greatly improves its service life and cutting performance.