2) rollpatterndevice
滚子式纹板
3) Cylindrical thread rolling die head
圆形螺纹滚压头
4) needle with round end
圆头滚针
5) fillet rolling
圆角滚压
1.
Considering the deformation during the engine crankshaft fillet rolling,theories for changeably load rolling are put forward.
分析曲轴圆角滚压的强化机理,考虑加载过程中存在的塑性变形,提出变力滚压,并加以探讨分析。
2.
The fatigue strength can greatly be improved by the method of the eng ine crankshaft fillet rolling, but the deformation may be produced at the same t ime.
发动机曲轴圆角滚压可以极大地提高曲轴的疲劳强度 ,但滚压后会产生变形 ,传统的弯曲力校直方法会降低由滚压所产生的压应力。
3.
The fillet rolling processing parameters of two types of crankshafts af ter semi-finish machining were investigated and their bending fatigue limits w ere measured.
对两种型号曲轴的半精加工圆角滚压工艺和疲劳强度进行了研究,结果表明,选择合 适的精磨余量和滚压工艺参数,曲轴疲劳强度可提高 175%左右,圆角处疲劳极限应力达 5 52~ 605 N/mm2,曲轴的疲劳强度较之精磨后滚压没有下降。
6) round corner rolling
圆角滚压
1.
This result showed that the fatigue strength of the crankshaft treated with gas nitridation was higher than that of normalized crankshaft by31%;and the fatigue strength of the crankshaft treated with round corner rolling process was higher than that of nor.
对经正火、气体氮化、圆角滚压三种工艺的球墨铸铁曲轴进行弯曲疲劳试验,测出其疲劳极限M-1(50%)分别为1471、1935和3010N·m。
2.
Strengthening effect evaluation on crankshaft round corner rolling met with some problems and resulted in risks in actual application.
针对曲轴圆角滚压在强化效果检测中所存在的问题给实际应用带来的风险,提出了最低限值试验方法。
补充资料:人物纹玉带板(宋代)
一套八块,纹饰各自不同。宋、辽、金各朝皆用玉带,这是迄今唯一一套完整保留下来的实物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条