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1.Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
通过分析高强螺栓的成形工艺,对模具结构进行深入探讨,设计了一套热镦模。收藏指正
2.Installing bolts allowed to use gas cutting bore hole and never more than two gaskets pad not sexual bolts, exposed screw bolt length of not less than 2-3 deduction.
安装螺栓孔不允许用气割扩孔,永?X性螺栓不得垫两个以上垫圈,螺栓外露丝扣长度不少于2～3扣.收藏指正
3.The analysis result has indicated that the minor diameter d1, the round radius at the bottom of the scr-ewr and the round radius under the head of the bolt R are distributed according to the normal. From the above conclusion, We have determind their distributive parameters. Hence, a sound basis is provided for the reliability design of the fatigue strength of the bolted joints, the reasonable consideration of its geometrical effect and the formulation of the reliability index of the screw bolt.
分析结果说明,螺纹小径d_1,螺纹根部圆角半径r和螺栓头部圆角半径R均服从正态分布,并得到了相应的分布参数,从而为螺栓联接的疲劳强度可靠性设计,合理考虑几何效应以及螺栓的可靠性指标的制订提供了依据。收藏指正
4.A nail, screw, or bolt for clinching.
铆钉用于固定的钉子、螺丝或螺丝钉收藏指正
5.To drive(a screw or bolt) into a countersink.
将钻或螺栓置入埋头孔收藏指正
6.Insert special bolt into the preset hole of C form parts ,where the bolt will be fixed into the threaded hole of wedge ,then screw the bolt on with a socket spanner until the first nut drops .
将专用螺栓插入C形无件预留孔与楔块的螺纹孔相连，用套筒扳手拧紧螺栓直到第一个螺帽自行断落。收藏指正
7.The valve can be installed in horizontal or vertical. Add seal cushion between two flanges connection and screw down bolt.
本阀可水平或垂直安装，安装时两法兰连接中间必须加密封垫片，然后均匀锁紧螺栓。收藏指正
8.A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
埋头孔顶部扩大的孔，为使钻或螺栓的头与地面相平或在地面以下收藏指正
9.What is a Screw? What is a Bolt?
什么是螺钉？什么是螺栓？收藏指正
10.Pay attention to the flow direction of medium marked on the body. Add the sealed shim between the two flanges and then screw down the bolt.
安装时请注意闸门本体上标明介质流向。两法兰连接时必需加密封垫片，然后均匀锁紧螺栓。收藏指正
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