The bearing capacity of expansion bolts is lower than chemical-fixing bolt, but it is economical.
膨胀螺栓与化学螺栓和化学植根螺栓强度虽然较低，但其经济性非常好。
It is concluded that, the residual stress induced by cold expansion can maintain enough strength to prevent and retard fatigue crack initiation and growth in rail bolt hole.
结果表明，冷扩张过程所引入的切向残余压应力能保持足够的强度，以对钢轨螺栓孔起到显著的防裂和止裂作用。
By comparing with the experimental results, a detailed discussion on the influence of cold expansion on the fatigue performance of rail bolt hole was presented.
结合实验探讨了冷扩张过程对钢轨螺栓孔疲劳寿命的影响方式和效果。
Based upon neural networks, a nonlinear mathematical model of the protraction for the thermal expansion die bolt is developed.
基于神经网络建立热膨胀螺栓形变的非线性数学模型。
The feasibility of replacing expansion bolt by chemical glue screw bolt on glass curtain wall was discussed.
讨论了化学胶粘螺栓运用于玻璃幕墙的可行性。
The locking bolt is provided with an outer thread mating with the expansion pipe at the peripheral surface and has a groove at one end.
一锁定螺栓，其周面上具有与膨胀管相匹配的外螺纹，并在其一端设有凹槽。
This paper focuses on the influence of the flange and bolt heating equipment on differential expansion of HP casing in 200mw steam turbine.
主要探讨200 MW汽轮机组法兰螺栓加热装置对高压缸胀差的影响。
My company mainly manages the bolt, the nut, the spring nut, the bolt, the gasket, the tooth stick, the expansion of metal screw, the heterogeneous pressing part, non-tender, hardware tool and so on.
本公司主要经营螺钉，螺母，弹簧螺母，螺栓，垫圈，牙棒，金属膨胀螺丝，异型冲压件，非标件，五金工具等。
The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
该深基坑支护结构漏水空心膨胀螺栓封堵塞包括胀管、空心螺栓、螺母、密封胶垫和软木塞，空心螺栓套在胀管内且其长 度大于胀管长度；
Second, on the ground made the rockery after expansion bolt welded steel keel, and then tied the wire mesh, plaster, then treat its sixty percent dryness according to sweep.
第二、在地面用膨胀螺栓固定后焊接钢筋做假山的龙骨，然后把钢丝网绑上，再抹灰，然后待其百分之60干度时根据造型刮好。
The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.
平垫片和弹簧垫片，它们安装在防退膨胀管和螺栓六角帽之间的螺杆上；
The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.
平垫片和弹簧垫片，它们安装在防退膨胀管和螺栓六角帽之间的螺杆上；
应用推荐