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推拉蓬工程构件夹紧以及防变形方法

来源://www.shmtd.com/ 日期:2022-10-12 发布人:
推拉篷可以用在公司临时仓储、大排档、门口、大型门口、停车场、仓库堆放货物等地方。推拉篷可以推拉伸缩,使用操作方便,而且还节省空间。但工程进行时会出现一些问题,下面来讲讲济南推拉蓬工程构件夹紧以及防变形方法
The push-pull awning can be used in temporary warehouses, stalls, supermarkets, shopping malls, parking lots, warehouses, etc. The sliding awning can be pushed and pulled to expand, which is convenient to use and operate, and also saves space. However, there will be some problems during the construction. Now let's talk about the clamping and deformation prevention methods of the components of the Jinan Sliding Canopy Project
(1)构件夹紧方法:
(1) Member clamping method:
为了防止一些中小型零件的焊接变形,我通常先用刚性夹具固定工件,然后再焊接。这样,在高温区冷却过程中产生的收缩变形就被夹具强行克服了。这种方法特别适用于一些塑性较好的低碳钢,因为在焊缝附近会发生一些塑性变形,对低碳钢的机械强度影响不大。
In order to prevent welding deformation of some small and medium-sized parts, I usually fix the workpiece with a rigid fixture before welding. In this way, the shrinkage deformation generated during the cooling process in the high temperature zone is forcibly overcome by the fixture. This method is especially suitable for some low carbon steels with good plasticity, because some plastic deformation will occur near the weld, which has little effect on the mechanical strength of low carbon steels.
但是,这种行为适用于高强度钢板的焊接,因为为了限制文政武功技能,应力反而增加,很容易开裂。例如,一个小于30吨的高架起重机上的小车。采用构件夹紧法防止变形是非常有效的。
However, this behavior is applicable to the welding of high-strength steel plates, because in order to limit the cultural, political and martial arts skills, the stress increases instead and it is easy to crack. For example, a trolley on an overhead crane less than 30 tons. It is very effective to use component clamping method to prevent deformation.
30吨以下的桥式起重机(又称起重机)台车是由6mm或8mm钢板组成的重测箱推拉蓬构件。其焊接面单一(保证焊接在一个方面,焊接后收缩力也是在一个方面)。焊接量大,变形也大。
The trolley of bridge crane (also known as crane) below 30 tons is a push-pull canopy component of re measuring box composed of 6mm or 8mm steel plates. The welding surface is single (to ensure that the welding is in one aspect, and the shrinkage force after welding is also in one aspect). Large welding amount and deformation.
采用构件夹紧法后,能很好地克服焊接过程中自身方式焊接后的收缩变形和高温区冷却,使钢结构满足技术要求,保证产品质量。
After the component clamping method is adopted, the shrinkage deformation and high temperature zone cooling after self mode welding can be well overcome, so that the steel structure can meet the technical requirements and ensure the product quality.
济南推拉蓬
(2)对于推拉蓬工程的防变形法:
(2) For the deformation prevention method of sliding roof project:
在一些中板长钢结构构件的生产中,须采用防变形法来控制焊接变形。确定焊件冷却后变形的方向和尺寸。然后,在焊接前对冷焊件进行相同尺寸相反方向的变形,以抵消焊接引起的变形。
In the production of some medium plate and long steel structural members, anti deformation method must be adopted to control welding deformation. Determine the deformation direction and size of the weldment after cooling. Then, the cold weldment shall be deformed in the opposite direction with the same size before welding to offset the deformation caused by welding.
这种方法是人为控制的。如果掌握得好,它的效果会很好,产品也会达到技术要求。这种反向变形可以是塑性的,也可以是弹性的。应在装配前确定焊接变形的大小和方向,并在装配时给构件一个相反方向的变形,以抵消焊接变形。
This method is artificially controlled. If mastered well, its effect will be good and the product will meet the technical requirements. This reverse deformation can be plastic or elastic. The size and direction of welding deformation shall be determined before assembly, and the member shall be deformed in the opposite direction during assembly to offset the welding deformation.
此外在推拉蓬零件制造和焊接过程中,正接头的装配和焊接顺序是非常重要的。在焊接过程中,能区分哪些备件应该先焊,哪些备件应该后焊。总之,要使焊接件受力均匀,冷却均匀,以减少变形,产生较大应力。更多相关事项就来我们网站//www.shmtd.com进行咨询吧!
In addition, the assembly and welding sequence of the forward joint is very important during the manufacturing and welding of the sliding roof parts. In the welding process, it can distinguish which spare parts should be welded first and which spare parts should be welded later. In a word, the weldment shall be evenly stressed and cooled to reduce deformation and generate greater stress. Come to our website for more information //www.shmtd.com Consult!
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