Dynamic balancer circuit of transfer feeder

摘要

PCT No. PCT/JP93/00591 Sec. 371 Date Oct. 28, 1994 Sec. 102(e) Date Oct. 28, 1994 PCT Filed Apr. 30, 1993 PCT Pub. No. WO93/22080 PCT Pub. Date Nov. 11, 1993In a transfer feeder in which transfer bars are driven in a feeding direction by swinging a feed lever (4) through a cam-follower (5) by a feed cam (2) mounted to a camshaft (1) rotated by power taken out of a transfer press, a control circuit controls air pressure of a rear cushion cylinder (6) pushing the feed lever to the feed cam to an optimum value in response to a production speed of the press.