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我们在制造柱塞泵的过程中,用圆管(图1)研磨柱塞球面(图2),使球面椭圆度不超过0.005毫米;光洁度达到(?)10以上。手研方法:工件夹在车床或钻床上均可进行研磨。在研磨过程中,研磨管除了沿柱塞轴线方向缓慢地往复摆动外,还要经常自转(图3),研磨压力可根据具体情况控制。研磨管:最好分粗、精研两种。粗研管在孔壁上锯2～4条槽;精研管不能有槽。
In manufacturing the plunger pump, we polish the plunger sphere (Figure 2) with a circular tube (Figure 1) so that the ellipticity of the sphere does not exceed 0.005 mm; and the finish is above (?) 10. Hand research methods: Workpieces in the lathe or drill can be grinded. In the grinding process, in addition to the grinding tube along the plunger axis slowly reciprocating swing, but also often rotate (Figure 3), the grinding pressure can be controlled according to the specific circumstances. Grinding tube: the best points coarse, refined two. Rough tube in the hole wall sawing 2 to 4 slots; lapping tube can not have a groove.