我单位原用的钢球压碎试验夹具体积较大,较重,一个夹具只有一个尺寸的球冠,而多种规格的钢球都在该夹具上试验,试验数据准确性差(夹具互换性差),再则试验时试验人员及设备的安全受到影响,曾出现过钢球在压碎试验时,碎块飞出夹具,将墙壁打了一个洞。(φ25.4钢球承载负荷可达80吨左右)。所以,为了保障安全,试验人员作钢球压碎试验时,都远离试验机,这就造成了试验数据准确性较差的情况,根据钢球压碎试验要求,我们设计了一种新的压碎 The original ball crushing test fixture used by our unit is bulky and heavy. One fixture has only one size spherical cap, and many kinds of steel balls are tested on the fixture. The accuracy of test data is poor (poor interchangeability of fixtures ), And then test the safety of test personnel and equipment are affected, there have been balls in the crushing test, the pieces fly out of the fixture, the wall hit a hole. (φ25.4 ball bearing load up to 80 tons). Therefore, in order to ensure the safety, the experimenter is far away from the testing machine when testing the ball crushing test, which results in the poor accuracy of the test data. According to the requirements of the crushing test, we designed a new pressure broken