Metal deforming – With means to handle work or product – Including product handling means
Patent
1999-11-09
2000-10-03
Tolan, Ed
Metal deforming
With means to handle work or product
Including product handling means
72361, 72422, 72374, 414752, B21D 4500
Patent
active
061256838
ABSTRACT:
A hemming system includes a hemming machine having upper and lower dies moveable between an open spaced apart position and closed hemming position. The upper die includes an engager operative for engaging a part thereon. A robot having a moveable arm with an end effector including lower and upper engagers on lower and upper surfaces thereof; the robot arm being operable to pick up a first part with the lower engager, place the part on the lower die and clear the hemming machine. The hemming machine is operable to close the upper and lower dies to hem the first part. The engager on the upper die is operable to engage the first hemmed part on the upper die as the dies are opened. The robot arm is operable to pick up a second part with the lower engaging means, place the part on the lower die, raise, and engage the first hemmed part on the upper engaging means. The engager on the upper die is operable to disengage the first hemmed part, whereby the first hemmed part and robot arm can be cleared of the hemming machine and the upper and lower dies cycled to hem the second part.
REFERENCES:
patent: 5363683 (1994-11-01), Thudium et al.
patent: 5388952 (1995-02-01), Hofele et al.
patent: 5584205 (1996-12-01), Harsch et al.
patent: 5727415 (1998-03-01), Alitalo
Tesco Engineering, Inc.
Tolan Ed
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