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扭剪型高強螺栓達到扭矩值會斷尾什么原理?

來源:http://csbdjy.com日期:2020-07-08 發(fā)布人:admin

扭剪bai型螺栓使用扭剪型扳手施工,其du根部使用正反向扭桿直接通過“梅花頭zhi”夾緊螺桿本dao身,故施擰時不會發(fā)生同轉(zhuǎn)現(xiàn)象。
The torsion shear Bai bolt is constructed with a torsion shear wrench. The Du root of the bolt is directly passed through the "plum head Zhi" clamping screw body by using the forward and reverse torsion bar, so the phenomenon of simultaneous rotation will not occur during the tightening.
扭剪扳手
原理是:利用螺桿達到預拉力值時,材料所能承受對應(yīng)的剪力,來設(shè)計削弱梅花頭的根部截面,達到剪斷的目的。
The principle is: when the screw reaches the pre tension value, the material can bear the corresponding shear force to design and weaken the root section of plum blossom head to achieve the purpose of cutting.
在施加扭矩聚集材料內(nèi)拉應(yīng)力達到設(shè)計值(“緊固軸力”)的同時,其材料的對應(yīng)抗剪強度恰好能使梅花頭削弱截面擰斷。
At the same time, the corresponding shear strength of the material can just make the plum blossom head weaken the section to be broken.