Description
Custom Zero-Backlash Silicone Rollers for Precise Indexing
Why choose this zero-backlash silicone roller?
We engineer these silicone rollers with precision-ground cores and a tight-tolerance silicone outer layer, giving you a reliable component for exact indexing duty. The silicone compound can be customized to achieve the hardness and rebound you need while remaining non-marking and resistant to wear. This combination reduces vibration and indexing errors, which translates into improved product quality and longer equipment life. Every roller undergoes radial runout measurement, hardness testing, and batch traceability for full quality assurance.
Custom roller compounds (silicone, with optional FDA-grade), hardness from Shore A 30° to 80°, and surface finishes (smooth ground Ra 0.05–0.8µm, textured) are available. Dynamic balancing tolerance ≤0.05mm. ISO9001 certified, our rollers offer superior heat resistance (up to 200°C) and low compression set, which means longer intervals between re-grinding and fewer replacements.
Typical applications: Precision indexing tables, rotary equipment, conveyor systems, printing presses (flexo, gravure), label laminating, plastic film processing, packaging machinery, textile finishing, and automated assembly lines.
Technical Specifications
This series of custom zero-backlash silicone rollers is engineered for reliable performance in precision indexing, conveying and printing equipment. As a China OEM/ODM manufacturer, we support customized diameters, lengths, and silicone compounds to match your exact application.
| Custom Zero-Backlash Silicone Coated Roller – For Precision Indexing & Conveyor Systems | |
|---|---|
| Roller Material | Silicone (custom non-marking compound) |
| Core / Shaft | Steel or aluminum, precision-ground |
| Backlash | Zero (precision-indexing fit) |
| Diameter | Custom, typically 20–200 mm |
| Width / Length | Custom per customer drawing |
| Surface Hardness | Shore A 30–80 depending on compound |
| Runout | ≤0.05 mm at 25°C (typical) |
| Temperature Range | -40°C to +200°C depending on compound |
✔ Customizable length & diameter. ✔ Zero-backlash design for precise indexing. ✔ Full certifications & OEM/ODM support – contact us for bulk orders.
Details Images
Commonly Used Elastomer Properties (Material Performance)
| 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. Silicone offers excellent heat resistance and non-stick properties but lower mechanical strength; for heavy-duty indexing or conveying, polyurethane or natural rubber may be preferred. Our factory can produce custom hardness from Shore 20A to 98A across various compounds, and we help you choose the best material for your specific application.
About ZHXPRECI – China OEM/ODM Factory
About Us
Customers Visiting
As a China-based manufacturer and OEM/ODM supplier of precision silicone rollers and elastomer components since 2010, ZHXPRECI serves clients in over 50 countries. We offer customization — from roller hardness (Shore A 30°~80°) to core materials and surface patterns. Our products are tested to meet ISO9001 standards, supporting reliable performance for your indexing, conveying, printing and laminating equipment. Wholesale orders are welcome with competitive direct pricing. We provide expert advice and support from prototype to mass production.
Factory & Equipment
Our Certifications (ISO9001, RoHS, Testing Reports)
We operate under the ISO9001 quality management system and can provide material test reports, dimensional inspection records, and batch traceability documents. Our products also meet RoHS and REACH requirements when requested. These records serve as reliable evidence of our quality claims and help your project pass factory audits and third-party inspections more smoothly.
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
1. How do you provide zero-backlash silicone rollers for precise indexing?
Our custom zero-backlash silicone rollers for precise indexing are manufactured with precision-ground shaft fits and controlled compression during assembly. This eliminates free play and keeps angular transmission stable. The silicone outer layer is then vulcanized and ground to tight tolerances, giving you a reliable component for indexing tables and rotary equipment.
2. Can you customize the silicone compound for non-marking conveyor applications?
Yes, we offer custom silicone formulations designed to reduce marking and friction on conveyed products. We can adjust hardness, color, and additive packages while retaining the non-marking characteristic. This is especially useful for smooth conveyor roller systems that handle coated or sensitive parts.
3. Are these rollers suitable for high-speed or high-precision equipment?
They are designed for high-precision indexing and can be applied in high-speed machinery when the core material, balancing, and bearing arrangement are specified correctly. We recommend sharing your speed, load, and tolerance requirements so our engineering team can provide the right configuration and expert advice.
4. What are your MOQ and lead time for custom silicone rollers?
Our MOQ is flexible and varies by size and compound. For standard custom rollers, sample orders are welcome to validate performance. Lead time typically ranges from 15 to 35 days after drawing approval and raw material preparation, depending on order quantity and seasonal workload.
5. How do you keep consistent quality across large orders?
We control every batch through standardized mixing, molding, grinding, and inspection processes. Each roller is checked for dimensional accuracy, hardness, and runout before packing. Material batch records and test certificates are kept for full traceability, which gives your QC team complete visibility.
6. Do you provide samples for testing before bulk purchase?
Yes, we provide samples for functional testing and design verification. Sample cost and shipping are usually discussed with the sales team, and the sample charge can be credited against a production order. This allows you to evaluate the roller performance in your own equipment with low risk.
7. How does your China factory ensure competitive wholesale pricing?
As a direct China-based factory and OEM/ODM supplier, we provide fair pricing based on quantity. For volume orders, contact us for a tailored quote. Our professional custom solution team helps you reduce total cost without sacrificing quality or delivery reliability.
8. Can you provide custom mounting designs for existing indexing equipment?
Yes, our engineering team supports 2D/3D drawing modification for shaft ends, keyways, and bearing housings. Just share your design file, and we will provide expert advice for a professional custom solution. Custom samples are available with a reasonable sample fee, refundable on bulk orders.
Looking for a reliable manufacturing partner for zero-backlash silicone rollers?
Get in touch for quick quotes, custom samples, and volume discounts. We are here to support your project from design to delivery.
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