本文对用石蜡取代丁钠橡胶作硬质合金生产成形剂的优点及其不足进行了论述。
In this paper, the benefits and deficiencies of substituting paraffin for butadiene sodium rubber as the lubricants used in the production of cemented carbides are studied.
密封面均喷焊硬质合金，具有防腐、耐磨、耐冲蚀等优点，使用寿命长、可通毛球清扫管线等特点；
Sealing surfaces are spray carbide, with corrosion, abrasion, erosion, etc. , long life, can pass the ball clean wool pipeline and other characteristics;
性能：两种材质 进口XW-5材料 硬度HRC60以上，硬质合金HRC93以上优点：超精密加工，外形圆滑过渡，内孔及R角镜面研磨。
XW-5 HRC60, Tungsten carbide HRC93Merit: The ultra precise processing, the contour smooth transition, in Kong R the angle mirror surface grinds.
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