Process for the manufacture of a gear wheel in an internal...

Details Process for the manufacture of a gear wheel in an internal... Process for the manufacture of a gear wheel in an internal...

B - Operations, Transporting

23

F

B23F 19/00 (2006.01) B21K 1/30 (2006.01) B22F 5/08 (2006.01) B23K 11/26 (2006.01) B24B 3/34 (2006.01) F04C 2/08 (2006.01)

Patent

CA 2096718

A b s t r a c t A process for the manufacture of a gear wheel in an internal geared wheel pump In a process for the manufacture of a gear wheel in an internal geared wheel pump, which wheel consist of two half- wheels (2A, 2B), which are respectively equipped with overflow ducts (3) constructed as half cavities (4A, 4B), into which balls can be inserted, the half-wheels (3A, 3B) are joined so that the complete overflow ducts (3) are formed from the half-cavities (4A, 4B) and the teeth (5) of the gear wheel (1) lie over one another in alignment. The insertion of any valve balls into the half-cavities (4A or 4B) of a half-wheel (2A or 2B) is performed before a welding operation and the half-wheels (2A, 2B) undergo a capacitor discharge welding process. Fig. 2

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