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在具有磁吸卡盤的平面磨床上,磁吸夹具(亦称磁性延伸器)的使用很广泛。现将我厂在设计磁吸夹具毛胚的情况介绍于下,以供参考。我们最初用的磁吸夹具的毛胚是镶合的(图一):1为青铜做的垫板,2为铁块,3为垫圈,4为螺帽,5为铜螺丝。图中a、b、c尺寸必须与机床上的磁吸卡盤一致。后来我们改用打肖子的形式(图二):1为肖子,2为青铜。带梢的肖子,锥度为1:50,这样打入后较牢固。肖子大端尺寸d=8～10公厘,尺寸s等于8～10公厘。
Magnetic chuck on the surface grinder, magnetic chuck (also known as magnetic extender) is widely used. Now I plant in the design of magnetic chuck fixture embryos introduced below, for reference. The blank of the magnetic chuck we originally used was inlaid (Fig. 1): 1 a backing plate made of bronze, 2 iron, 3 a washer, 4 a nut and 5 a copper screw. The figure a, b, c size must be consistent with the magnetic chuck on the machine. Later, we used to play the form of Shaw (Figure 2): 1 for Xiao Zi, 2 for bronze. Shaw with the tip, taper 1:50, so more solid after driving into. Xiao Zi big end size d = 8 ~ 10 mm, size s is equal to 8 to 10 mm.