Title:
曲げプレス機、裁断機、押抜き機等の機械のための保護装置
Document Type and Number:
Japanese Patent JP4936627
Kind Code:
B2
Abstract:
A guard means for machines, more particularly pressbrakes, guillotines, stamping machines and the like in the case of which a first machine part (10) performs working movements toward a second machine part (11). Between the machine parts a photoelectric detector arrangement {19 and 20) is positioned and is attached to the moving machine part (10), a stop means being adapted to halt working motion of the moving machine part on interruption of a light beam. A control means for the working movement of the moving machine part (10) reduces the speed immediately prior to light beam interruption by the other machine part (11) to below a threshold limit speed.By means of a speed measuring means (25 and 26) the working speed is measured and the stop means is deactivated below the predetermined threshold limit speed at least partially in order to be able to complete the working movement even in the case of interruption of the light beam by the other machine part (11). Such a speed measuring means may be also fitted externally to existing plant in a simple manner.
Inventors:
Fisler Lutz
Application Number:
JP2002500148A
Publication Date:
May 23, 2012
Filing Date:
May 16, 2001
Export Citation:
Assignee:
Fisler Electronic Ohhage
International Classes:
B21C51/00; B26D1/08; B23D15/04; F16P3/14; B30B15/00
Domestic Patent References:
| JP2000502782A | ||||
| JP60066699U |
Attorney, Agent or Firm:
Tsutomu Adachi