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使用电动扭矩扳手控制施工扭矩的重要性

来源:https://www.xjnwz.com日期:2024-02-23 发布人:创始人

比例:以 15 千克鸡锁骨为单位。

Ratio: In units of 15 kilograms of chicken collarbone.

奥尔良腌料:1千克

Orleans marinade: 1 kilogram

玉米淀粉:1.5 千克

Corn starch: 1.5 kilograms

香酥炸粉:360 克

Crispy fried noodles: 360 grams

浓缩鲜香粉:微量

Concentrated fresh fragrance powder: trace amount

酌情考虑添加:日落黄 柠檬黄。(暂时不加,以后经验练好了 觉得颜色想调一下再调。)制作步骤如下:

Consider adding: Sunset Yellow Lemon Yellow as appropriate. (Not for now. After gaining experience, I feel like adjusting the color before making it.) The production steps are as follows:

高强螺栓作为钢结构节点连接中常用的部件,在钢结构中起到非常重要作用。高强螺栓主要由扭剪型高强螺栓和大六角螺栓之分。高强螺栓采用电动扳手来紧固。

High strength bolts, as commonly used components in steel structure node connections, play a very important role in steel structures. High strength bolts are mainly divided into torsion shear type high strength bolts and large hexagonal bolts. High strength bolts are tightened using an electric wrench.

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认识螺栓

Understanding bolts

由头部和螺杆(带有外螺纹的圆柱体)两部分组成的一类紧固件。

A type of fastener consisting of a head and a screw (a cylindrical body with external threads).

扭剪型高强螺栓

Twist shear high-strength bolts

大六角螺栓

Large hexagonal bolt

螺栓的等级

Grade of bolts

性能等级分3.6、4.6、4.8、5.6、6.8、8.8、9.8、10.9、12.9等10余个等级。

The performance level is divided into more than 10 levels, including 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc.

①高强度螺栓:指的是性能等级为8.8级及以上的螺栓,其材质为低碳合金钢或中碳钢并经热处理(淬火、回火)。

① High strength bolt: refers to a bolt with a performance grade of 8.8 or above, made of low-carbon alloy steel or medium carbon steel and subjected to heat treatment (quenching, tempering).

②普通螺栓:其余通称普通螺栓,可分为精制螺栓(A、B级:5.6或8.8)和粗制螺栓(C级),性能等级一般为4.6或4.8。

② Ordinary bolts: commonly referred to as ordinary bolts, can be divided into refined bolts (A, B grade: 5.6 or 8.8) and rough bolts (C grade), with a performance level generally of 4.6 or 4.8.

螺栓的连接

Bolt connection

螺栓与螺母配合,用于紧固连接两个带有通孔的元件,属于可拆卸连接。

The bolt and nut are used to tighten and connect two components with through holes, and belong to detachable connections.

螺栓连接的工作原理

Working principle of bolted connections

胡可定律:固体材料受力之后,材料中的应力与应变(单位变形量)之间成线性关系。

Hooke's Law: After a solid material is subjected to a force, there is a linear relationship between the stress and strain (unit deformation) in the material.

汉普电动扳手的应用

The application of Hanpu electric wrench

电动扭剪扳手主要用于紧固高强度扭剪螺栓,并且在紧固完成后将剪断的梅花头保留在套筒内部不掉落,随后扣动扳机将梅花头弹出。

The electric shear wrench is mainly used to tighten high-strength shear bolts, and after tightening, the cut plum blossom head is kept inside the sleeve without falling off, and then the trigger is pulled to pop the plum blossom head out.

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