This tester is used to measure the torsion resistance of zipper head , in order to be the reference of product improvement.
本机系用来测试拉链头的扭力强度，作为品质改良的参考依据。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
It USES the patented AMI Torsion Bar squeegee head with a reciprocating substrate carriage and features front-panel programmable print stroke and process delays.
它使用专利ami的扭杆刮刀以及往复基板，具有前面板可编程印刷冲程和过程拖延。
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