公开(公告)号：US3668919A

公开(公告)日：1972-06-13

申请号：US3668919D

申请日：1970-09-11

申请人： TOSHIO HONGO

发明人： HONGO TOSHIO

IPC分类号： B30B15/18 ,  B21D5/02 ,  B23D15/00 ,  B23D15/14 ,  B30B15/00 ,  B21J9/02

CPC分类号： B21D5/029 ,  B23D15/00 ,  B23D15/14 ,  B30B15/007 ,  Y10T83/8828 ,  Y10T83/8864

摘要： A combination hydraulic shearing and pressbrake machine is disclosed which includes auxiliary hydraulic cylinders in addition to main cylinders to actuate the ram. The auxiliary cylinders are held at rest during the shearing mode of operation but actuated together with the main cylinders during the pressbrake operation, in which the auxiliary cylinders serve particularly to support and maintain maximum parallelism of the ram. A control device is also disclosed which switches the operation of the auxiliary cylinders relative to the main cylinders and which further regulates the upper and lower limit positions of the reciprocating ram.

摘要翻译： 公开了一种组合式液压剪切机和压片机，其包括辅助液压缸以及用于致动冲头的主缸。 辅助气缸在剪切操作模式期间保持静止，但在制动操作期间与主气缸一起被致动，其中辅助气缸特别用于支撑并保持压头的最大平行度。 还公开了一种控制装置，其转换辅助气缸相对于主气缸的操作，并进一步调节往复运动滑阀的上限位置和下限位置。