The open question is analysed when turning slender screw under two different conventional processing methods.
针对长螺纹2种常规加工方法中存在的问题,介绍了一套将跟刀架铸铁棒滑动摩擦改进为跟刀架轴承滚动摩擦的方法,增强了跟刀架的刚度,满足工件刚度要求,消除弯曲、摆动和铸铁棒跟刀架的磨损,并能更多地将径向力转化为轴向力。
Otherwise,it expatiates the difference between general thread and Spiralock thread with favorable prevention of looseness.
分析目前机车管路上所使用的橡胶密封式管接头松脱、泄漏现象,提出了一系列改进措施,并对比了普通螺纹与具有良好防松效果的施必劳螺纹间的区别。
long-reach plug
长螺纹（长型）火花塞
" Bolts, screws and studs--Nominal lengths, and thread lengths for general purpose bolts"
GB/T3106-1982螺栓、螺钉和螺柱的公称长度和普通螺栓的螺纹长度
Side view of fillister head slotted screw with adjustable thread length.
螺纹长度可调整的槽头螺钉的侧面图。
Side view of roundhead screw with adjustable thread length.
螺纹长度可调整的圆头螺钉的侧面图。
Side view of square head bolt with adjustable thread length.
螺纹长度可调整的方头螺栓侧面图。
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
Side view of raised countersunk posidriv screw with adjustable thread length.
螺纹长度可调整的半埋头十字槽螺钉的侧面图。
Side view of countersunk slotted screw with adjustable thread length.
螺纹长度可调整的埋头一字槽螺钉的侧面图。
Side view of panhead posidriv screw with adjustable thread length.
螺纹长度可调整的平头十字槽螺钉的侧面图。
Side view of panhead slotted screw with adjustable thread length.
螺纹长度可调整的平头一字槽螺钉的侧面图。
Side view of countersunk posidriv screw with adjustable thread length.
螺纹长度可调整的埋头十字槽螺钉的侧面图。
Side view of raised countersunk slotted screw with adjustable thread length.
螺纹长度可调整的半埋头一字槽螺钉的侧面图。
Side view of hexagonal head bolt with adjustable thread length.
螺纹长度可调整的六角头螺栓的侧面图。
Side view of hexagonal socket bolt with adjustable thread length.
螺纹长度可调整的六角插口螺栓的侧面图。
Drag onto the page. Right-click to adjust thread length.
拖到绘图页上。右击可调整螺纹长度。
Flared type tube fittings--Straight thread long connector--Body
GB/T5627.2-1985扩口式锥螺纹长管接头体
Male long connector--Assembly
GB/T3736.1-1983卡套式锥螺纹长管接头
Male long connector--Body
GB/T3736.2-1983卡套式锥螺纹长接头体