我厂在制造割晒机拨禾轮弹齿管工件时，研制了一套在普通无缝钢管件上冲孔硪槽（图１）的模具（图２）。此模具安装在冲床上，可冲制出拨禾轮弹齿管上安图１弹齿槽孔形图装弹齿所需要的孔和槽形，一次制孔成槽，提高了工效，降低了制造成本。此模的冲制过程是，把工件摆放... I plant in the manufacture windrower reel gear tooth tube, developed a set of ordinary seamless steel pipe punching slot (Figure 1) mold (Figure 2). This mold is installed on the punch, can be punched out reel reel gear on the security Figure 1 play the tooth slot hole diagram installed holes and groove trough shape, a hole into a slot, improve work efficiency and reduce the manufacturing cost. This model punching process is to put the workpiece ...