Press having a programmable ram with sensing means

Details Press having a programmable ram with sensing means Press having a programmable ram with sensing means

B - Operations, Transporting

21

J

218/1

B21J 15/28 (2006.01)

Patent

CA 1279037

ABSTRACT OF THE DISCLOSURE A point of operation safety device for hydraulic or pneumatic presses. The safety device is computer controlled and limits the movement of the punch by employing two sensing means. These sensing means include both position and contact sensors which are used as dual input variables to satisfy computer monitored operational condition limits which, if not met, shut down the operation of the machine to prevent accident or injury to the operator. Both sensing means are located within the housing of the press and the ram assembly so that no additional structures are required which might obstruct the working area and thereby hinder the efficient use of the press. Because the components of this safety device are located within the body of the machinery and include complicated electronic control circuitry, it is impossible to defeat the safety mechanism by disconnecting any of the components.

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