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我厂冷冲压车间,常年冲压0.1～1.0mm的各种金属板材小形零件。各类模具每班冲次8,000～24,00次不等。由于冲件质量精度高,要求模具及时刃磨。为减轻平面磨床的工作量。于是利用Z412型台钻刃磨模具的凸凹模冲头等工件。效果一直良好。方法是,1.先按装一个带芯轴的GB80Z_2～ZR_1的碗形砂轮,如图1所示;2.把台钻主轴升到死点位置锁紧,把砂轮芯轴放入钻卡内卡紧;3.将待磨工件置于工作台上,摇动升降手柄使工件升到与砂轮端面1～2mm距离时,按动开关,砂轮启动;4.工件在两手推力的作用下沿工作台面往复滑动,每磨削一次,微升一次工作台(约0.02mm),一般磨削5～10次即可。(图1在61页) 这种加工工艺,对砂轮的端跳,径跳无严格要求;操做简便安全;刃磨质量优于平磨磨床;刃磨时工件与上、下模板连体不拆磨。
I plant cold stamping shop, perennial stamping 0.1 ~ 1.0mm small pieces of various metal plates. Various types of molds per shift 8,000 ~ 24,00 times. Due to high quality punch quality requirements of timely grinding mold. To alleviate the workload of surface grinder. So use Z412-type bench drill grinding punch punch punch and other parts. The effect has always been good. The method is: 1. First, press a bowl wheel with GB80Z_2 ~ ZR_1 with mandrel, as shown in Figure 1. 2. Lock the bench drill shaft to the dead point and put the wheel spindle into the drill chuck 3, the workpiece to be ground is placed on the workbench, the handle is raised and lowered to raise the workpiece to the distance of 1 ~ 2mm from the end of the grinding wheel, the switch is activated and the grinding wheel is started; 4, the workpiece is moved along the worktable Reciprocating sliding, grinding time, slightly raised a table (about 0.02mm), the general grinding 5 to 10 times. (Figure 1 on page 61) This processing technology, the end of the wheel jump, jump without strict requirements; simple and safe operation; grinding quality is better than the flat grinder; grinding when the workpiece and the upper and lower template Siamese not Remove the mill.