Fatigue strength of machined screw thread. Effects of loading modes in fatigue test.
Fatigue strength of machined screw thread. Effects of loading modes in fatigue test.
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机加工螺纹的疲劳强度。
DOI：
10.1299/kikaic.53.2640
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发表时间：
1987
期刊：
影响因子：
--
通讯作者：
Hajime Kurita
中科院分区：
文献类型：
--
作者：
K. Isogimi;Hajime Kurita
研究了机械零件紧固件中常用的机加工螺纹联接的疲劳强度的各种影响因素。材料的影响（一）e.热处理）、紧固力、振动加载试验前的屈服预紧或预压缩以及连接表面之间的润滑作为影响因素。对正火态和回火态S45 C钢的两种螺纹和螺栓-螺母连接件进行了疲劳试验，并对试验结果进行了详细的分析。因此，对疲劳强度的影响是明确的。此外，在加工和加载过程中的每一个步骤引起的应变硬化进行了讨论。
The effects of various kinds of factors on the fatigue strength of machined screw thread connection generally used as the fastener of machine components are examined. Effects of materials (i. e. heat-treatment), fastening force, yielding pre-tension or pre-compression before the oscillating loading test and lubrication between the connecting surfaces are chosen as the factors. Fatigue tests are performed for both types of screw thread, and bolt-nut connections made of normalized or tempered S 45 C, and obtained results are investigated in detail. Consequently, the effects on the fatigue strength are clarified. Furthermore, the strain hardening caused at each step of the machining and loading process is discussed.