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        日期:2023-09-15   來源:http://wap.dieuhoamulti.com/
        The large and small arms of a long arm excavator are subject to stress in almost every action during operation. Although steel smelting technology is highly developed nowadays, each product has its own service life. Therefore, after a period of use, the large and small arms of a long arm excavator have a certain probability of cracking, but the cracking situation varies.
        When there is a cracking problem, everyone usually goes to the repair shop to repair the cracked part. However, the skills of the technicians in each repair shop vary, with some being able to withstand it well and others not being able to withstand it well. In fact, besides being related to one's own technology, what is more important is the issue of repair solutions.
        Due to varying fracture conditions, both the large and small arms are welded components, and repairs are mostly welding. If the broken part is slightly in front of the ear seat of the boom oil cylinder, it is not recommended to continue working to prevent further tearing and safety accidents. What repair method should be used for this cracking situation?
        We should cut a part, cutting 180-200 side plates from the left and right sides of the fracture, and cutting about 150 more cover plates from the 180-200 side plates to the left and right sides of the lower cover plate. Next, lay a lining plate under the broken cover plate, weld it, and weld the cracks on the cover plate together. The welding process should be smooth and free of bubbles.
        After welding, cut a new iron plate according to the size of the cut blue side plate and weld it on, and place a lining plate inside. The lining board is slightly longer than the sealed side board.
        After completing this step, the bottom cover plate is almost not sealed. Before sealing the bottom cover plate, it is still necessary to apply a lining plate first. In order to increase the welding contact area and consolidate the welding firmness, after applying the lining plate and sealing the bottom plate, the repair work is basically completed. Next, you can polish and apply paint to the putty.
        The leasing personnel of the long arm excavator believe that the key to repair is not only the repair method, welding technology factors, but also the gas used for welding. Ordinary repair shops usually use ordinary gas dioxide welding. Here, it is recommended to use secondary welding, which is better and more sturdy and not easy to open, because the secondary welding temperature is high and the welding area is relatively large, which can effectively bond the steel plate.
        Thank you for reading. The source of this article is: Long Arm Excavator. For more information and questions, please click on: http://www.dybocheng.com We will continue to work hard to provide you with services. Thank you for your support!

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