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

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

1993-04-28

1994-11-01

Echols, P. W.

Metal working

Method of mechanical manufacture

Gear making

29407, 29415, 29463, 74445, B21D 5328, F16H 5512

Patent

active

053597710

ABSTRACT:
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.

REFERENCES:
patent: 2884835 (1959-05-01), Rupert
patent: 3429700 (1969-02-01), Wiegand et al.
patent: 3511962 (1970-05-01), Suter
patent: 4233003 (1980-11-01), Jeng
patent: 5096037 (1992-03-01), Knoess et al.

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