Based on the broad-band random vibration test on a clamping support in missiles,this paper investigates the problems on evaluating the attachment bolt looseness in the structure.
本文在某支撑座结构模型宽带随机振动实验的基础上,研究了如何监测连接螺钉组松动故障程度的问题。
Specializing in the manufacture of the combination screw that includes the washer, spring washer and the screw; there is ripe and original production experience.
尤其是自升组合螺钉的生产上，有着成熟和独到的生产经验。
Install screws in track assembly.
在轨道组合中安装螺钉。
Big washer for tapping screw assembly
GB/T9074.30-1988自攻螺钉组合件用大垫圈
Small washer for tapping screw assembly
GB/T9074.29-1988自攻螺钉组合件用平垫圈
Hexagon head tapping screw and big washer assemblies
GB/T9074.23-1988六角头自攻螺钉和大垫圈组合件
Cross recessed pan head tapping screw and plain washer assemblies
GB/T9074.18-1988十字槽盘头自攻螺钉和平垫圈组合件
Cross recessed pan head tapping screw and large plain washer assemblies
GB/T9074.19-1988十字槽盘头自攻螺钉和大垫圈组合件
Cross recessed small pan head screw and small plain washer assemblies
GB/T9074.5-1988十字槽小盘头螺钉和平垫圈组合件
Cress recessed small pan head screw and big plain washer assemblies
GB/T9074.6-1988十字槽小盘头螺钉和大垫圈组合件
Cross recessed countersunk head screw and countersunk serrated external toothed lock washer assemblies
GB/T9074.9-1988十字槽沉头螺钉和锥形锁紧垫圈组合件
Cross recessed pan head screw and single coil spring lock washer assemblies
GB/T9074.3-1988十字槽盘头螺钉和弹簧垫圈组合件
Cross recessed small pan head screw and single coil spring lock washer assemblies
GB/T9074.7-1988十字槽小盘头螺钉和弹簧垫圈组合件
Hexagon head tapping screw and plain washer assemblies
GB/T9074.22-1988六角头自攻螺钉和平垫圈组合件
Cross recessed pan head screw and plain washer assemblies
GB/T9074.1-1988十字槽盘头螺钉和平垫圈组合件
Study on histological alterations of mini-screws anchorage implant with jaw bones
微螺钉支抗种植体与颌骨结合的组织学表现
Histological Research of the Microscrew Implant-bone Interface;
微螺钉种植体—骨结合界面组织形态的实验研究
steering clutch adjusting screw
转向离合器调整螺钉
Cross recessed pan head screw and serrated lock washer external teeth assemblies
GB/T9074.2-1988十字槽盘头螺钉和外锯齿锁紧垫圈组合件