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弹簧钢丝一类的金属线材,制成螺形弹簧后,无论是拉簧或压簧,工作时一般受扭力作用,其主要的强度设计指标是抗扭强度(扭转弹性极限)。目前,国产弹簧钢丝抗扭强度的试验数据比较缺乏,因此迫切需要解决弹簧钢丝的抗扭强度测试设备和方法。我们本着“自力更生”的精神,设计制造了NTY-15型扭转弹性试验仪,它
After being made into a helical spring, whether it is a tension spring or a compression spring, the wire rod of a spring wire is usually subjected to torsion when working. The main strength design index is the torsion strength (torsion elasticity limit). At present, the test data of domestic spring steel torsional strength is relatively scarce, so it is urgent to solve the torsion strength test equipment and method of spring steel wire. We have the spirit of “self-reliance,” designed and manufactured NTY-15-type torsion elasticity tester, which