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AboutFounded in 2008, Juxiang is an expert in front-end attachment devices of excavators and a comprehensive service provider of scrap vehicle dismantling solutions.
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Business FieldJuxiang has the excellent ability to provide customers with systematic and complete engineering equipment solutions, and is a reliable engineering equipment solution service provider!
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ProductsRelying on the close and long-standing cooperation with OEM, Juxiang is a well-deserved expert in manufacturing accessories in the industry.
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CaseOur classic construction projects, scattered across the country, are the “medals of honor” that the Juxiang team takes great pride in within the industry. Our existence and efforts have always been aimed at better serving our clients’ needs.
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ServiceService drives value enhancement, providing you with value-added services throughout the life cycle from pre-sales, sales to after-sales.
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NewsJuxiang is a modern enterprise with leading technology, complete product varieties and series, unique competitiveness and influence in the industry.
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Contact usYou can communicate with us in the most convenient way to get support and services.
08
2022
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06
Principles and Methods for Dismantling End-of-Life Vehicles
The purpose of disassembly is to facilitate inspection and maintenance. Since mechanical equipment varies in design and each component differs in terms of weight, structure, precision, and other aspects, improper disassembly can damage components, leading to unnecessary waste and even rendering them irreparable. To ensure high-quality repairs, it is essential to carefully plan ahead before disassembling the equipment, anticipate potential problems, and carry out the disassembly process step by step.
The purpose of disassembly is to facilitate inspection and maintenance. Since mechanical equipment varies in its design and each component differs in terms of weight, structure, precision, and other aspects, improper disassembly can damage components, leading to unnecessary waste and even rendering them irreparable. To ensure high-quality repairs, it is essential to carefully plan ahead before disassembling the equipment, anticipate potential problems, and carry out the disassembly process step by step.
1. Before disassembling, you must first understand the structure and operating principle.
There are numerous types of mechanical equipment, each with different structures. It is essential to thoroughly understand the structural features, operating principles, performance, and assembly relationships of the parts being disassembled, ensuring that you have a clear grasp of all these aspects. Never be careless or proceed blindly without proper preparation. For structures that are unclear, consult relevant drawings and documentation to clarify the assembly relationships and mating characteristics—especially the positions and withdrawal directions of fasteners. Otherwise, you’ll need to analyze and make judgments as you go along, trying out disassembly steps gradually. In some cases, you may even need to design appropriate disassembly jigs and tools.
2. Make preparations before disassembly.
Preparatory work includes: selecting and clearing the site for dismantling; disconnecting power, wiping down, and draining oil before dismantling; and protecting electrical components as well as parts that are prone to oxidation and rust.
3. Based on practical considerations, avoid dismantling anything that can be left intact; and where dismantling is necessary, make sure to do it.
To reduce the workload of disassembly and avoid compromising the mating characteristics, components that can still ensure proper operational performance need not be disassembled—but they must undergo necessary tests or diagnostics to confirm that no hidden defects exist. If the internal technical condition cannot be confidently determined, disassembly and inspection are mandatory to ensure the quality of the repair.
4. Use the correct disassembly method to ensure the safety of both personnel and mechanical equipment.
The disassembly sequence generally follows the reverse order of the assembly sequence: First, remove the external accessories; then, disassemble the entire machine into subassemblies; finally, disassemble everything into individual parts and group them together by subassembly. Depending on the type of component connections and their specification dimensions, select appropriate disassembly tools and equipment. For connections that cannot be disassembled or for joints whose precision would be compromised after disassembly, special care must be taken during disassembly to ensure their protection.
5. For shaft-hole assemblies, the principle of using the same force for both disassembly and assembly should be adhered to.
When disassembling shaft-hole assemblies, you should generally adhere to the same magnitude of force used during assembly when removing them. If any abnormal conditions arise, promptly identify the cause to prevent damaging, scratching, or even destroying the parts during disassembly.
6. Disassembly should create conditions for assembly.
If the technical documentation is incomplete, it is essential to keep detailed records of the disassembly process, so that during reassembly, the “disassemble first, then assemble” principle can be strictly followed. When disassembling precision or structurally complex components, draw assembly sketches or clearly mark parts during disassembly to prevent incorrect reassembly. After disassembly, thoroughly clean all parts, apply lubricant to prevent rust, protect machined surfaces, and take measures to avoid loss or damage. Long and slender parts should be hung up carefully to prevent bending or deformation. Precision parts must be stored separately to avoid damage. Pay special attention to small parts to prevent them from getting lost. Parts that are not interchangeable should be stored in groups or clearly marked.
2023/12/07
Juxiang Construction Machinery
Address: No. 208, Fenghuangshan Road, Fushan District, Yantai City, Shandong Province
Phone:086-535-2130397
Mobile:086-13325153723 (WeChat)
Email:info@jxhammer.com
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