文章摘要信息 关键词 ： 应变测试；等温成形；体积成形；螺纹法 [gap=939]Keywords : strain measurement;isothermal forging;bulk forming;screw method
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3D screw method 三维螺旋法
screw matrix method 旋量矩阵方法
screw down method 拧紧方法
screw-type sinking method 螺旋型凿井法
Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.
空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。
This simple but accurate method is useful in machining a ball-lead-screw, especially when no dimensional numerical-control milling machine is available.
这种方法比较简单可靠，尤其是对于缺少三座标数控铣床设备的工厂，制作滚珠丝杠付加工回珠槽时，可供参考。
The problems that exist during machining screw with lathe both abroad and at home are presented, the method for judging and machining screw are introduced.
阐述了国内外螺旋类零件的螺纹在车床上加工时存在的问题，并介绍了正确的判断方法及加工方法。
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