The utility model discloses a semi-automatic bolt for a window (door), belonging to the field of architectural hardware.
一种半自动门窗插销，属于一种建筑五金材料。
An automatic forming method of detail drawing for bolt sphere machining is put forward, combined with bolt sphere machining, as post process of CAD software for grids (reticulated shell).
作为网架网壳CAD软件开发的后处理部分，结合螺栓球的加工，提出了一种自动生成螺栓球加工图的方法。
Yong Feng Gang, Dongguan City, Union metal products Factory specialized in producing automatic lathe, CNC lathe parts, metal axle pin, bolt, brass nuts and other metal products.
东莞市凤岗永盟五金制品厂专业生产加工自动车床件，数控车件，五金轴销，插销，铜螺母等五金产品。
Coupling is a coupling of locomotive and car parts, commonly used have a link bolt and rotary chain, large car adopts automatic coupling with both buffer action.
联接器是联接机车和矿车的部件，常用的有插销链环和回转链，大型矿车采用兼具缓冲器作用的自动车钩。
Frame: Frame including upright by the automatic-punching, rolling Bracing. That be connected through the pine-bolt connection.
柱片：柱片由经过全自动冲孔、冷弯轧制的立柱及横斜撑通过防松螺栓联结。
Frame: Frame including upright by the automatic-punching, rolling Bracing. That be connected through the pine-bolt connection.
柱片：柱片由经过全自动冲孔、冷弯轧制的立柱及横斜撑通过防松螺栓联结。
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