The structure and cutting property on HSS machine taps by deep cryogenics are studied. Results indicate that service life of product taps are improved by cryogenic processing.

• 对高速钢成品丝锥深冷处理前后的组织及性能进行了分析研究。结果表明,成品丝锥通过深冷处理可明显提高使用寿命。