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彩钢板钢带在入口段连接方式主要有哪些

返回列表 来源: 发布日期: 2021.11.12

彩钢板钢带在入口段连接方式主要有哪些

彩钢板前后钢带两卷连接的方法多用机械缝合和焊接两种方式。

彩钢板机械式缝合机是将前一卷钢带的尾部与后一卷钢带的头部连接起来的专用冲压机。统合的原理是:上下两层钢带先被冲压出一定形状的切痕,然后通过钢带张力的拉伸使其错位,从而达到前后钢带连接的效果。

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涂层机组上采用的钢带的焊接方法主要有电阻焊和搭接焊两种方法。彩钢板电阻焊是一种加压焊接法,在压紧钢带的同时,直接在钢带上通电,利用钢带本身的电阻和接触面的集中电阻所产生的热量,使钢带熔化而焊接起来,此法适用于厚度在1.2~6.5mm的钢带。搭接焊是断续点焊的累加,滚焊时,以旋转的焊轮代替点焊时的圆柱形电极,焊轮在被焊接的钢带上借助于电机推动向前滚动,当电流断续或连续的经焊轮通过焊件时,即形成连续焊缝。另外也有采用压力机卷边咬合、压平缝焊接等方法,不过,这些焊接法都较少用于彩涂机组。
比较机械缝合机与焊机的特点,焊机设备价格高,焊接时间长,设备占地面积大,因此大部分彩涂机组主要还是采用机械缝合机处理接缝。缝合机有以下优点:
(1)接健均勾、整洁,设备价格低、操作简单、占地面积小。月用的增理有管项证
(2)可合不的材质和不易焊接的金属带材。

(3)冲切铆合迅速,整个过程可在 6左右内完成。

(4)根据钢生产线要求的张力大小不同,可以采用单排、双排或多排缝合。

(5)利用两卷钢带自身切口互相铆合在一起,不需另外的材料或消耗件,因而运行费用少,节省费用。 干风,味发

(6)维护简便。

(7)合机具有独立的动力机构和电气系统,采用按钮集中控制或脚踏操作两种方式,工作压力和行程范围均可调节。

The mechanical sewing machine is a special stamping machine which connects the tail of the former coil with the head of the latter coil. The principle of integration is: the upper and lower steel strips are first punched with a certain shape of cutting mark, and then through the tension of the steel strip to make it dislocation, so as to achieve the effect of connecting the front and rear steel strips.

There are two main welding methods of steel strip used in coating machine: resistance welding and lap welding. Resistance welding is a kind of pressure welding method. While pressing the steel strip, it is directly electrified on the steel strip. By using the resistance of the steel strip itself and the heat generated by the concentrated resistance of the contact surface, the steel strip is melted and welded. This method is applicable to the steel strip with a thickness of 1.2 ~ 6.5mm. Lap welding is the accumulation of intermittent spot welding. In roll welding, the cylindrical electrode in spot welding is replaced by the rotating welding wheel. The welding wheel is pushed forward by the motor on the welded steel strip. When the current is intermittent or continuous through the welding wheel, the continuous weld is formed. In addition, there are also some methods such as crimping bite of press and flat seam welding. However, these welding methods are rarely used in color coating units.

Compared with the characteristics of mechanical sewing machine and welding machine, the price of welding machine is high, the welding time is long, and the equipment covers a large area. Therefore, most color coating units mainly use mechanical sewing machine to process seams. The sewing machine has the following advantages:

(1) It has the advantages of low price, simple operation and small floor area. Monthly use of additional management certificate

(2) Can be combined with different materials and not easy to weld metal strip.

(3) The whole process can be completed in about 6 hours.

(4) According to the different tension required by the steel production line, single row, double row or multi row stitching can be used.

(5) The two coils of steel strip are riveted together by their own incisions, and no additional materials or consumable parts are needed, so the operation cost is less and the cost is saved. Dry wind, sweet taste

(6) Easy to maintain.

(7) The combined machine has independent power mechanism and electrical system, and adopts two modes of button centralized control or pedal operation. The working pressure and travel range can be adjusted.

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