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7.50V-20 rim for Industrial rim swamp excavator FOREMOST

The 7.50V-20 rim offers high load capacity, easy installation, strong compatibility, excellent safety, and exceptional durability. It also features an anti-corrosion coating, making it suitable for various road and mining environments.

  • Rim size: 7.50V-20
  • Application: Industrial rim
  • Application Model： swamp excavator
  • Vehicle Brand: FOREMOST
  • Product introduction The 7.50V-20 rim is a 20-inch diameter, 7.5-inch wide steel rim with a V-flange. It is commonly used with bias-ply or radial tires, such as 7.50-20 and 8.25-20.
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 Product Description

Description 

The operating conditions of Foremost swamp excavators place extremely high demands on their wheel rims. These rims are not traditional tire rims, but rather key components of the track undercarriage, designed to withstand the extremely complex and harsh swamp environment.
The swamp excavator's operating environment is filled with mud, water, plant debris, and sand, requiring the wheel rims to possess the following special properties:
1. Extremely strong sealing:
Sand and moisture from the swamp can intrude into the bearings and seals within the wheel rim, causing increased wear and lubrication failure. The wheel rims must feature a double or multiple conical oil seal design to prevent internal lubrication oil leakage while also preventing external mud and water intrusion. The seal material and design must be extremely durable to resist corrosion and wear.
2. Excellent corrosion resistance:
Prolonged immersion in water and mud, especially seawater or wetlands containing chemicals, can accelerate corrosion of the wheel rim's metal components. The wheel rims must be made of high-quality alloy steel and undergo a special surface treatment or coating to enhance rust and corrosion resistance. 3. High Strength and Wear Resistance:
Soft ground provides insufficient support, resulting in uneven force distribution during movement and operation of the track undercarriage, forcing the wheel rims to withstand significant impact and torque. Furthermore, mud and sand on the track acts as an abrasive, accelerating wear on the wheel rim surface. Therefore, the wheel rims must be made of high-strength steel that has been induction hardened or heat-treated to ensure a hard and wear-resistant surface, while also possessing internal toughness to resist cracking.
4. Optimized Profile Design:
Mud and debris can easily become lodged between the wheel rim and the track, causing additional resistance and even damaging components. The wheel rim profile must be optimized to effectively drain mud and debris during operation, reducing binding and excessive wear. Additionally, some designs utilize double-sided flanges to better guide the track and prevent derailment on soft ground.
5. Low Friction and Excellent Heat Dissipation:
Continuous heavy loads and high-load operation can cause heat to build up inside the wheel rim bearings. Poor heat dissipation can affect lubricant performance and accelerate component aging. The wheel rim bearings must feature a low-friction design and maintain good lubrication to prevent failure due to overheating during extended operation.
In summary, the operating conditions of the Foremost swamp excavator require its wheel rims to be not only as durable and robust as standard excavator components, but also to possess excellent sealing and corrosion resistance to withstand the unique wetland and muddy environment. These specialized properties are crucial to ensuring stable and reliable operation of the equipment under these extreme conditions.

Manufacturing process 

    • 1、billetokh
      1. Billet
    • 2、hot rolling1qs
      2. Hot rolling
    • 3、Accessories production
      5.Accessories Production
    • 4、Finished product assembly0tq
      4. Finished Product Assembly
    • 5、painting849
      5. Painting
    • 6、Finished Product
      6. Finished Product

    Product inspection

      • Dial indicator to detect product runout1n2
        Dial indicator to detect product runout
      • Colorimeter to detect paint color differencej9y
        Colorimeter to detect paint color difference
      • Paint film thickness meter to detect paint thickness5zs
        Paint film thickness meter to detect paint thickness
      • External micrometer to detect internal micrometer to detect the inner diameter of the center holepsu
        External micrometer to detect internal micrometer to detect the inner diameter of the center hole
      • Outside diametermicromete to detect positiont90
        Outside diametermicromete to detect position
      • Non-destructive testing of product weld qualityquk
        Non-destructive testing of product weld quality

      The strength of the company

        Since 2021, TRACTION has been supporting Russian OEM manufacturers. TRACTION wheels have passed strict OEM inspection. Now in the Russian market (Belarus and Kazakhstan), TRACTION wheels have covered industry, agriculture, mining, construction equipment and other areas. TRACTION has extensive and loyal partners in Russia. At the same time, we also supply OTR solid tires for the Russian market. In 2023, TRACTION developed its own brand of solid tires. Our company is one of the few companies that produces both wheels and solid tires, and can provide tire + wheel assembly.

        The quality of all our products has been recognized by world equipment manufacturers such as Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD, etc.

        When you get to know TRACTION brand discs, you encounter quality, completeness and reliability.

        Why choose us

            • Product

            Our products include wheels for all types of off-road vehicles and their accessories, covering many fields such as mining, construction machinery, agriculture, industrial vehicles, forklifts, etc.

            • Technologies

            We have a R&D team composed of senior engineers and technical experts, focusing on the research and application of innovative technologies and maintaining a leading position in the industry.

            • Quality

            The quality of all products has been recognized by Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD and other global manufacturers.

            • Service

            We have established a perfect after-sales service system to provide timely and effective technical support and after-sales service to ensure customers have a smooth experience during use.

          Certificates

            • Volvo Certificates2b8
              Volvo Certificate
            • John Deere Supplier Certificates
              John Deere Supplier Certificate
            • CAT 6-Sigma Certificationswr3
              CAT 6 Certificate - Sigma

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