Arc gear pump, double arc plus sinusoidal compound into tooth shape, can be completely eliminated involute gear pump. Circular arc gear pump in the meshing between the two teeth for a little continuous contact, will not produce trapped oil phenomenon, completely solve the involute gear pump due to oil pump vibration, noise, bearing load increases and so on. Therefore, circular gear pump with efficiency, low noise, and has a good energy saving effect. This series of gear pump gear, shaft, pump body, pump cover, bearing sleeve, shaft seal and other components. Gear with double arc sinusoidal tooth shape manufacturing. Compared with the involute gear, the most outstanding advantage is that there is no relative sliding of the tooth profile during gear meshing. Therefore, the tooth surface has no wear, smooth operation, no liquid trap phenomenon, low noise, long service life and high efficiency. The pump out of the shackles of the traditional design, making the gear pump in the design, production and use into a new field. Circular gear pump internal gear machining process profile: 1. In the lathe rough car shape 2. In the lathe fine car gear shape 3. After the car is good to the inspection department, inspection, delivery hobbing workshop 4. Upon receipt , Rough milling teeth 5. Fine milling teeth 6. Serve the inspection department after the inspection 7. Serve the hard department, æ˜ fire 8. The gear is successfully completed
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