Special Machinery Mining Rims

Our special-purpose mining wheel rims are specifically designed for heavy-duty mining equipment such as mining trucks, excavators, loaders, and off-highway dump trucks. These rims serve as the fundamental structure for tire installation, directly bearing the vehicle load, transmitting driving and braking forces, and ensuring operational stability and safety in the harsh conditions of mining sites.

We have the capability to develop, design, and manufacture a wide range of rims including:

• Mining vehicle rims
• Construction and heavy equipment rims
• Bridge transport rims
• Underground transport rims
• Desert vehicle rims
• Custom-shaped and non-standard rims
• Whether you need tubeless steel rims or engineering machinery steel rims, we can manufacture them according to your drawings and technical specifications.
• Contact us now to discuss customised cooperation!

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1. Mine type and operating environment
Open pit mines (quarries / iron ore mines / coal mines):
Characteristics: road conditions are mostly gravel, steep slopes, loose soil, large loads and frequent impacts.
Rim requirements: high strength (tensile strength ≥1000MPa), impact resistance (thickened structure), wear-resistant (surface hardening or tungsten carbide coating), suitable for large-size off-road tyres.
Underground mines (roadways / gold / copper mines):
Characteristics: narrow space, humid and dusty, possible presence of flammable and explosive gases such as gas.
Rim requirements: lightweight (aluminium alloys preferred), corrosion resistant (zinc-nickel alloy plating), explosion proof design (electrostatic discharge structure), diameter usually ≤ 1.5 m to suit the width of the roadway.
Non-ferrous mines (copper / molybdenum):
Characteristics: high ore hardness and severe frictional wear.
Rim requirements: ultra-high wear resistance (boron or ceramic coating on the surface), anti-fatigue design (reinforcement of the stress-concentrated areas of the spokes).

2. Rim size and tyre fitment
Diameter: the diameter needs to be strictly matched with the inner diameter of the tyre, with an error of ≤0.5mm, to avoid deformation of the tyre after installation.
Width: The rim width should be in accordance with the recommended value of the tyre manufacturer to ensure even grounding pressure and reduce bias wear.
Installation method:
Heavy-duty equipment in open pit mines is preferred to five-piece rims (consisting of rim body, retaining ring, locking ring, etc., which makes it easy to replace the worn parts).
Two-piece quick release rims are available for underground equipment to shorten maintenance time.

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