公开(公告)号：US5029462A

公开(公告)日：1991-07-09

申请号：US389798

申请日：1989-08-04

Applicant: Takashi Wakahara ,  Tadahiko Nagasawa ,  Takashi Onoue

Inventor： Takashi Wakahara ,  Tadahiko Nagasawa ,  Takashi Onoue

IPC: B21D5/02

CPC classification number: B21D5/02

Abstract: A method for bending a workpiece into a developed shape between an upper and lower die. The method includes setting up a bending sequence for bending the workpiece from a unfinished to a finished state. The method is accomplished by preparing data for a workpiece shape, i.e. assigning bending points on the workpiece; determining consecutive striking points and bending points; determining preparatory bending points to avoid interference between the workpiece and dies; assigning identification codes for the preparatory bending points, and bending the workpiece.

Abstract translation: 一种用于在上模和下模之间将工件弯曲成展开形状的方法。 该方法包括设置用于将工件从未完成弯曲到完成状态的弯曲顺序。 该方法通过准备工件形状的数据，即在工件上分配弯曲点来实现; 确定连续的打击点和弯曲点; 确定准备弯曲点以避免工件和模具之间的干涉; 为准备弯曲点分配识别码，并弯曲工件。

公开(公告)号：US4890476A

公开(公告)日：1990-01-02

申请号：US180692

申请日：1988-04-08

Applicant: Hideaki Takahashi ,  Takashi Wakahara ,  Yasuhiro Harashima

Inventor： Hideaki Takahashi ,  Takashi Wakahara ,  Yasuhiro Harashima

IPC: B21D5/02 ,  B30B1/28 ,  B30B15/00

CPC classification number: B21D5/02 ,  B30B1/28 ,  B30B15/0029

Abstract: A plate bending machine for performing precise bending operations includes a machine pedestal having two opposite side sections, a guide member provided at each side section of the machine pedestal, and a vertically movable guide post supported by the guide members. A lower bending tool is supported by the machine pedestal and an upper table has two side sections, each supported by the guide posts. An upper bending tool is supported by the upper table and is adapted to move vertically with the upper table to operate in cooperation with the lower bending tool. An eccentric shaft is supported in a freely rotatable manner on the machine pedestal and has an eccentric section with which the guide post is engaged at its lower section, wherein there is play between the guidepost and the eccentric section. A play removing device is mounted on the machine pedestal, for removing the play between the guide post and the eccentric section.

Abstract translation: 用于执行精确弯曲操作的板弯机包括具有两个相对侧部的机座，设置在机座的每个侧部的引导构件和由引导构件支撑的可升降导向柱。 下弯曲工具由机座支撑，上台具有两个侧部，每个侧部由引导柱支撑。 上部弯曲工具由上部工作台支撑，并且适于与上部工作台垂直移动以与下部弯曲工具协作操作。 偏心轴以可自由旋转的方式支撑在机台上，并具有偏心部分，导柱在其下部与其接合，其中在导轨和偏心部分之间有间隙。 一个游戏去除装置安装在机座上，用于去除导柱和偏心部分之间的间隙。