螺杆泵生产的关键是螺杆的加工，而成型刀具的型线计算又是螺杆加工的关键。
The process of screw spindle is the key of producing screw spindle pump, but the calculation of shaped cutting tool is still the crux of process of screw spindle.
用金刚石成型刀具对花岗石异型面进行加工，是一种逐渐被石材企业广泛采用、经济高效的石材加工工艺方式。
It is an economical technical way with high efficiency to machine special-shaped surface of granite with diamond shaped tools, which is gradually widely used by stone enterprises.
现在反应溅射法已被广泛应用于切削刀具、成型工具、注射模具和诸如冲头和冲模之类的通用器具，以增强其耐磨性和使用寿命。
Sputtering is now widely applied on cutting tools, forming tools, injection molding tools, and common tools such as punches and dies, to increase wear resistance and service life.
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