这些重型摆夹摆动到位,然后垂直向下夹紧到工件上,直接向下施加压力。手臂完全摆动的方式,以使装卸工件容易。适用于重复夹紧操作。夹臂的抽头端允许添加夹紧尖端。底座底部有四个安装孔。可提供安装底座,允许顶部侧安装。机身、凸轮和手柄采用SAE-4140合金钢制造。夹臂采用SAE-1045合金钢制造。零件经过黑色氧化表面热处理。把手是黑色塑料做的。 To operate: load the work piece, turn the adjustment knob to rotate and lower the clamp arm over the work piece. Rotate the handle to apply full clamping force to the work piece. The 400 series provide 786 lbs of clamping force, the 500 series provides 1,348 lbs of clamping force. Part numbers ending with R have a clockwise clamping direction, part numbers ending in L have a counter clockwise clamping direction.