説明
Load‑resistant Robot Wheels – Aluminum Alloy Hub with Rubber / Polyurethane Tire for DIY Intelligent Car & Competition
Why choose these load‑resistant wheels for your robot?
Designed specifically for rough competition environments: RoboMaster, FIRA, Eurobot, and autonomous car challenges. The aluminum alloy hub keeps weight low while maintaining rigidity – no more cracked plastic wheels after a heavy landing. The rubber or polyurethane tire provides excellent traction on carpet, wood, and even slightly dusty concrete.
We offer custom materials: natural rubber for high grip outdoors, polyurethane for oil‑resistant indoor tracks, or NBR for chemical resistance. Hardness ranges from Shore A 20° (very soft, maximum grip) to Shore A 98° (hard, low rolling resistance). Dynamic balancing ≤0.05mm reduces vibration, which means your encoders get clean signals and your PID stays stable.
Typical applications: Intelligent car competitions, line‑following robots, combat robotics (up to 15kg class), mobile robot platforms for education, and any DIY project that demands reliable traction and impact resistance.
Technical Specifications (Typical for DIY Competition Wheels)
Below are standard parameters. All dimensions and materials can be customized to fit your chassis. As a China factory, we support OEM/ODM projects with expert advice on wheel selection.
| Aluminum Alloy Hub + Rubber / Polyurethane Tire – Load‑resistant Robot Wheel | |
| Common Diameters | 80 mm, 100 mm, 125 mm, 152 mm (custom from 50 to 200 mm) |
|---|---|
| Tire Width | 30–50 mm (customizable) |
| Hub Material | Aluminum alloy (6061-T6), steel core available for extra heavy load |
| Tire Material | Natural rubber, polyurethane (PU), NBR, EPDM – Shore A 20° to 98° |
| Max Load per Wheel (100mm) | 80–120 kg (depends on tire hardness and width) |
| Net Weight (per wheel, 100mm) | Approx. 0.5–0.9 kg |
| Dynamic Balancing | ≤0.05 mm (ensures smooth rotation) |
| Certifications | ISO9001, RoHS, test reports available |
| Packing | Individual plastic bags + carton, wooden case for bulk |
| Custom Colors | Black, white, red, blue, or any RAL code |
| Services | 24/7 support, free engineering consultation, two free revisions on custom orders |
✔ Sold as single wheels or sets of 4. ✔ Load‑resistant aluminum alloy + rubber/PU – proven in competition use. ✔ Full customization: hub engraving, tire hardness, tread pattern. ✔ Request a sample before bulk order.
Details Images – Aluminum Hub & Tire Construction
Commonly Used Elastomer Properties – Match Material to Your Track
| Compound | Hardness Range (Shore A) | Abrasion Resistance | Tear Resistance | Load Bearing |
|---|---|---|---|---|
| Silicone | 40-90 | 1 | 1 | 1 |
| Nitrile/PVC | 20-95 | 4 | 3 | 3 |
| EPDM | 20-95 | 4 | 3 | 3 |
| Nitrile Rubber | 20-95 | 3 | 3 | 3 |
| Neoprene | 5-95 | 3 | 4 | 4 |
| Hypalon | 30-95 | 4 | 4 | 4 |
| Hydrogenated Nitrile | 50-98 | 5 | 5 | 5 |
| Natural Rubber | 25-98 | 5 | 5 | 5 |
| Polyurethane | 20-98 | 5 | 5 | 5 |
| Carboxylated Nitrile | 45-95 | 5 | 5 | 5 |
Ratings: 1 = low, 5 = high. For robot competitions, natural rubber offers excellent grip on dusty surfaces, while polyurethane gives longer wear on smooth indoor tracks. We can produce any hardness from Shore 20A to 98A – just tell us your track type.
About ZHXPRECI – China OEM/ODM Factory Specializing in Robot Wheels
Our Facility
Visiting Customers
ZHXPRECI has been manufacturing precision wheels and rollers since 2010. We serve robotics clubs, universities, and industrial clients in over 50 countries. Our specialty is customization – from material selection (aluminum alloy, steel, PU, rubber) to CNC machining and injection molding. We hold ISO9001:2015 and provide full material traceability. Need a unique tread pattern or colored hub for your competition robot? Our engineers will work with you to make it happen. Wholesale and sample orders are both welcome.
Factory Equipment – CNC, Molding, and Balancing Machines
Certifications – ISO9001, RoHS, Material Test Reports
Production & Inventory Policy
Lead time: Actual delivery time may vary due to raw material availability, machine scheduling, and peak season fluctuations. After order confirmation, we provide the most accurate estimate and keep transparent communication.
Stock status: We generally do not hold large finished‑goods inventory, but some popular standard models may have limited dynamic stock (which changes as sales and production progress). Please confirm real‑time availability with our team before ordering.
Bulk & urgent orders: For mass production or tight schedules, we recommend early discussion of capacity and production planning. We will do our best to support your timeline.
Frequently Asked Questions – Robot Wheels for DIY & Competition
1. What is the actual load capacity of a 100mm robot wheel?
For a 100mm diameter wheel with 40mm width and Shore A 85° polyurethane, we rate it at 85 kg per wheel. Larger diameters (125mm, 152mm) can carry 100–120 kg each. We can provide load test data for your specific size and hardness.
2. Which tire material is best for outdoor robot competitions (grass/dirt)?
Natural rubber with a softer compound (Shore A 50°–60°) gives the best grip on loose surfaces. Polyurethane also works but may slip more on wet grass. We can send small material samples so you can test before ordering.
3. Can you customize the wheel hub to fit my specific motor shaft?
Yes. We offer custom bore sizes, keyways, D‑cut, or hex holes. Just provide your motor shaft drawing and we will match it exactly. This is a common request from competition teams using different motors.
4. What is the minimum order for a custom color or engraved hub?
For hub color (anodized), MOQ is 20 pieces. For laser engraving (logo or text), we can do as few as 4 pieces. Sample orders with standard colors are always welcome.
5. How long does it take to produce and ship a set of 4 wheels?
Standard sets (100mm black rubber tire, aluminum hub) usually ship within 7–10 days. Custom orders (special hardness or color) take 15–20 days. Express shipping via DHL/FedEx takes 3–5 days to most countries.
6. Do you offer a warranty against tire delamination?
Yes. We provide a 180‑day warranty against manufacturing defects, including tire separation from the hub. Normal wear or damage from competition impacts is not covered, but we sell replacement tires separately at low cost.
7. Can you make a wheel that is completely non‑marking for indoor gym floors?
Absolutely. Our polyurethane compounds can be formulated as non‑marking (no black residue). Many teams use these for indoor competitions on polished concrete or wooden floors. Just specify “non‑marking PU” when ordering.
8. What is the ordering process for international customers?
Contact us with your requirements (size, material, quantity). We will provide a quotation and drawing for approval. After proforma invoice and deposit, production starts. We share photos before shipment. Balance paid before delivery. Payment via T/T, PayPal, or Western Union.
9. Do you have stock of common sizes (80mm, 100mm) for immediate shipment?
We keep limited stock of standard 100mm black PU wheels (Shore A 80°). For other sizes or hardness, please ask about current availability. Stock levels change quickly, especially before competition seasons.
10. Can you provide a price suggestion for a custom 125mm wheel with red anodized hub?
Sure. Contact us with the quantity (e.g., 8 pieces) and hardness. We will send a detailed quotation including tooling cost (if any) and volume discount. Generally, custom anodized hubs add about $2–3 per wheel.
Ready to upgrade your robot's wheels for the next competition?
Contact us for a quick quote, free sample evaluation, or engineering advice. We support DIY builders, university teams, and OEMs with reliable load‑resistant wheels.
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