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我厂加工齿轮油泵体的两个轴孔及两个齿轮的外围线时,为了使中心距准确,采用了如附图的工具,使生产效率提高了三倍。底盘1可压紧在车床花盘或四爪卡盘上,根据外径φ570校正后卡紧。在底盘1上车有偏心孔,偏心距等于齿轮泵两轴孔中心距的一半。转盘2就和这偏心孔滑配。转盘2可用三块压板3压紧在底盘1上,并用定位销4来定位。定位孔有二只,互成180°;在图上可以看出,它们的中心距是380公厘。工件可按它已钻好的四个孔,套进
I plant gear pump body two shaft holes and the two gears of the peripheral line, in order to make the center distance is accurate, using the tools as shown in the drawings, the production efficiency tripled. Chassis 1 can be pressed on the lathe disc or four-jaw chuck, according to diameter φ570 after the clamp. On the chassis 1, there is an eccentric hole on the car, the eccentricity is equal to half of the center distance between the two shaft holes of the gear pump. Turntable 2 and this eccentric hole with the slide. The turntable 2 can be pressed against the chassis 1 with three pressing plates 3 and positioned by the positioning pins 4. There are two positioning holes, each forming 180 °; can be seen in the figure, their center distance is 380 mm. The workpiece can be drilled according to its four holes, nesting