Circuit assembly device for programmably controlling placement f

Details Circuit assembly device for programmably controlling placement f Circuit assembly device for programmably controlling placement f

1992-10-05

1994-05-03

Kramer, Dean J.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

294 88, 294907, 901 37, 901 40, 29743, B25J 1506, B66C 102

Patent

active

053081323

ABSTRACT:
A robotic placement device (FIG. 1) comprises a programmable end-effector (200) for picking and placing component parts. The programmable end-effector (200) comprises a cylinder (201) having a piston (202) including a first (203) and second (208) shafts coupled together. The first shaft (203) of the piston is larger than the second shaft (208). A controller (102) controls a pressure applied to the cylinder (201) and the piston (202) including the first (203) and second (208) shafts of the programmable end-effector (200) establishes a predetermined placement force at the programmable end-effector (200) while placing component parts. A control circuit 118 senses the pressure and in response thereto generates a signal. A processor 108 coupled to the controller (102) processes the signal and in response thereto varying the pressure for maintaining a substantially constant placement force at the programmable end-effector (200) while the programmable end-effector (200) moves vertically.

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