提出了螺栓焊的新机理和螺栓设计原则。 设计了电磁开关壳体螺栓焊的焊接模具；
This paper propose the new mechanism of bolt welding, and the design of clamping yokes for hilt welding of electromagnetic switch shell.
公司生产的产品有：“冀达”牌六角螺栓、10.9级钢结构螺栓、地脚螺栓、焊钉、钻尾钉、拉铆钉、膨胀螺栓。
Our products are: "Ji Da "brand hexagon bolt, 10.9 steel bolts, anchor bolts, weld screws, drilling screws, rivet, bolt.
在打螺栓孔的时候是不可以把螺栓孔打在有大型法兰焊口的地方的。
When a bolt is not to play in a large flange bolt hole welding place.
它通常包括以下十二类零件：螺栓、螺柱、螺钉、螺母、自攻螺钉、木螺钉、垫圈、挡圈、销、组合件和连接副、焊钉等。
Usually there are 12 categories which are bolt , stud, screw, nut , self tapping screw, wood screw, gasket, retainer ring, pin, composite member, bolting, and soldering lamp.
螺栓选用优质合金钢，螺母、垫圈选用优质碳结钢，圆柱头焊钉选用ML 15al。
The bolts are made from excellent quality alloy steel, the nuts and washers are made from carbon steel, cheese head studs for stud welding are made from ML15AL.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
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