Abrading – Machine – Rotary tool
Patent
1992-12-14
1994-12-06
Lavinder, Jack W.
Abrading
Machine
Rotary tool
451132, 451150, B24B 717
Patent
active
053699157
ABSTRACT:
An apparatus is presented to automatically handle operations related to grinding simultaneously the two end faces of a core of an armature. The apparatus consists of four main sections: a charging section to charge a core at a time to a transport section; a transport section to transport the core to the grinding section, a grinding section disposed at the lowest region of the transport section to grind the two end faces simultaneously; and a discharging section to discharge the ground core for further processing. The cores are individually housed in the retaining grooves of the transport section with the core axis lying horizontally. The grinding wheels of the grinding section straddles the core, thus enabling the two end faces to be ground at the same time. The apparatus performs a series of operations related to removing of the silica film from the end faces automatically, including the maintenance of the grinding surface of the grinding wheels, thus providing a cost-effective method to replace the conventional manual grinding operations.
REFERENCES:
patent: 2109450 (1938-03-01), Schlayer et al.
patent: 2242801 (1941-05-01), Richardson
patent: 2383927 (1945-08-01), Carlson
patent: 3425169 (1969-02-01), Dunn
patent: 3503161 (1970-03-01), Long
patent: 3818639 (1974-06-01), Dunn
patent: 3872628 (1975-03-01), Dunn
Lavinder Jack W.
Mitsuba Electric Mfg. Co. Ltd.
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