B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 11/31 (2006.01) F16H 25/20 (2006.01) H02K 5/20 (2006.01) H02K 7/06 (2006.01) H02K 9/19 (2006.01) H02K 21/12 (2006.01) H05K 7/20 (2006.01)
Patent
CA 2447617
A motor-driven welding gun has a servomotor (34) for displacing a movable electrode tip (30) toward and away from a fixed electrode tip (32). The servomotor (34) has a motor housing (38) with a copper pipe (72) which is inserted therein when the motor housing (38) is cast. The copper pipe (72) provides a coolant passage (70) in the motor housing (38) for supplying a coolant therethrough. When the coolant passage (70) is supplied with the coolant, the motor housing (38) is forcibly cooled, reducing the amount of heat generated by the servomotor (34).
L'invention concerne un pistolet de soudage motorisé qui comprend un servomoteur (34) permettant d'approcher et d'éloigner une pointe d'électrode mobile (30) d'une pointe d'électrode fixe (32). Ce servomoteur (34) comporte un carter (38) pourvu d'un tuyau en cuivre (72) qui est inséré dans le carter (38) lorsque ce dernier est moulé. Le tuyau en cuivre (72) forme un passage de refroidissement (70) dans le carter (38) afin d'y amener un liquide de refroidissement. Lorsque le liquide de refroidissement est amené dans le passage de refroidissement (70), le carter (38) est refroidi en force, ce qui réduit la quantité de chaleur générée par le servomoteur (34).
Hashimoto Hiroki
Kugimiya Takuro
Kurihara Osamu
Miwa Hiroshi
Nakabayashi Shigemitsu
Honda Giken Kogyo Kabushiki Kaisha
Marks & Clerk
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