Aida Engineering, Ltd.

Yuu Takahashi

Mitsuo Sato

In a balance device for a mechanical press, a press body or frame rotatably mounts a crankshaft. A slide is supported from the crankshaft by connecting rods so that it reciprocates transverse to the axial direction of the crankshaft as the shaft is rotated. To avoid the development of an oscillating effect in the press body during operation a first gear is positioned on the crankshaft. Balancing gears are supported on the press body in meshed engagement with the first gear. Each of the first gear and the balancing gears has a balance weight for counteracting the tendency of the slide to cause oscillation and vibrations in the press body.

Balance device for a mechanical press

A roll feed device for feeding a material to a press in a predetermined timed relationship to the operation of the press. The device includes a pair of feed rolls between which the material is fed, one being an idle roll and the other being a driven roll. The driven roll has a drive shaft, and an intermittent rotating mechanism is operably associated with the drive shaft of the press and has an output shaft parallel to the drive shaft of the driven roll. Disks are mounted on the ends of these shafts and are in frictional engagement with each other for driving the drive shaft from the output shaft. The disks can be easily exchanged for changing the drive of the roll feed device.

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Hachioji, Japan

Yuu Takahashi