发明名称 Precision forging unit - with hydraulically operated hammers used eg on shafts
摘要 <p>An apparatus for the precision forging of a work-piece or having cross section symmetrical with respect to an axis, e.g. a shaft, of the known type in which a number of forging hammers with corresp. work tools are supported in a forging box and forge the workpiece from different sides, contains the improvement where the forging hammers are connected to the piston rods of the hydraulic drive pistons supported in the forging box, the controls for which are mutually synchronised.</p>
申请公布号 CH542008(A) 申请公布日期 1973.09.30
申请号 CH19720012639 申请日期 1972.08.25
申请人 VON ROLL AG 发明人 BLASER,HARRY;SPIEGEL,PETER
分类号 B21J7/14;B21J7/28;(IPC1-7):B21J7/28 主分类号 B21J7/14
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