Description
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Custom Smooth Running Rubber Rollers for Converting Lines
Why Choose This Product
Precision balanced metal core — Each core is turned and ground on CNC machines before rubber wrapping. The final assembly is dynamically balanced to ISO 1940 Grade G2.5 or better, so the roller runs smoothly at high line speeds, preventing motor strain and web flutter.
Application-matched rubber compound — We choose SBR, NBR, EPDM, silicone, or PU according to the solvent, temperature, and nip load in your process. A correct compound gives better oil resistance and heat stability than a standard cover, extending the service interval between re-coverings.
Customized surface finish and grooving — Plain ground, matt, spiral, or groove patterns are available to release trapped air and dust. This helps avoid bubbles and pattern marks on sensitive films and coated papers, improving the quality of your output.
Typical applications: Paper converting, film converting, coating, laminating lines, packaging machinery, and automated material handling systems.
Technical Specifications
This series of custom smooth running rubber rollers is engineered for reliable performance in converting and laminating equipment. As a China OEM/ODM manufacturer, we support customized diameters, lengths, and rubber compounds.
| Custom Smooth Running Rubber Rollers – For Converting Lines | |
| Product Type | Custom smooth running rubber rollers for converting lines |
|---|---|
| Roller Diameter | 25 mm to 500 mm, custom dimension accepted |
| Roller Length | Up to 6,000 mm, ground and balanced as a complete unit |
| Rubber Material | SBR, NBR, EPDM, silicone, or polyurethane cover |
| Hardness | Shore A 30 to 90, selected for your nip pressure and web type |
| Core Material | Carbon steel, stainless steel, or aluminum |
| Surface Finish | Plain ground, matt, spiral grooved, or customer drawing |
| Dynamic Balancing | ISO 1940 Grade G2.5 standard, G1.0 on request |
| Temperature Range | -40 °C to +120 °C depending on rubber compound |
| Machining Tolerance | Diameter ±0.05 mm; straightness 0.03 mm per 3,000 mm |
| Typical Applications | Paper converting, film converting, coating, and laminating lines |
| Customization | OEM / ODM, drawing or old sample accepted |
| MOQ | 2 pcs for trial order; wholesale quantity negotiable |
| Packing | Foam protection and wooden crate with edge guards |
✔ Customizable length & diameter. ✔ Heavy‑duty rubber cover – superior abrasion & chemical resistance. ✔ Full certifications & OEM/ODM support – contact us for bulk orders. Competitive pricing and expert technical advice are available for your specific requirements.
Details Images
Detailed product photos, dimensional drawings, and surface finish samples are available on request. For a new custom roller, send us your current drawing, part number, or a worn sample. Our engineers will confirm the outside diameter, length, hardness, and groove type, and propose a roller construction that suits your converting line. All details images shown below represent actual products manufactured in our factory; the smooth ground surface and consistent rubber cover thickness are verified during final inspection before packing.
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. Polyurethane offers the best all‑round performance for converting line rollers – high abrasion resistance, load bearing, and tear strength. Custom hardness from Shore A 30 to 90 is available from our factory. Our technical team can give professional guidance on material selection to match your converting speed, chemical exposure, and nip loading conditions.
About ZHXPRECI – China OEM/ODM Factory
About Us
Customers Visiting
As a China‑based manufacturer and OEM/ODM supplier of custom rubber rollers and elastomer components, ZHXPRECI serves clients in over 50 countries. We offer customization — from roller hardness (Shore A 30 to 90) to core materials and surface finish. Our products are tested to meet ISO9001 standards, supporting reliable performance for your converting line. Wholesale orders are welcome with competitive direct pricing. With 10+ years of export experience, we understand the quality expectations of global industrial buyers.
Factory & Equipment
Our workshop is equipped with CNC lathes, cylindrical grinding machines, rubber mixing and calendering equipment, vulcanizing ovens, and dynamic balancing machines. These facilities allow us to complete the whole manufacturing cycle in-house, which shortens lead time for both new rollers and re-covering jobs. It also makes it easier to adapt when your converting line requires a special rubber formula or a non-standard roll size.
Our Certifications (ISO9001, RoHS, Testing Reports)
Our quality management system follows ISO9001:2015 practice, and every roller is checked before packing. Along with the shipment we can provide a material test certificate, a dynamic balancing report, and a hardness inspection record. If your project requires it, third-party inspection by SGS or BV can also be arranged to keep the receiving process simple for your team.
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. Can you produce custom smooth running rubber rollers for converting lines in non-standard sizes?
Yes. We manufacture custom smooth running rubber rollers for converting lines in diameters from 25 mm to 500 mm and lengths up to 6,000 mm. You can send your drawing, part number, or the worn roller to our factory, and our engineers will confirm the rubber hardness, groove pattern, and balance grade for your process. OEM and ODM orders are both welcome. This ensures even non-standard rolls can be produced exactly to your requirements without compromising on quality.
2. What is your MOQ for rubber rollers?
Our MOQ is 2 pieces for a trial order, so you can validate the performance on your line without a large investment. Once you approve the quality, wholesale quantities are flexible and we will offer a better unit price based on the volume. This gives you a low-risk way to test our production capability before committing to bulk purchasing.
3. How do you keep the roller running smoothly at high line speed?
We control three points during production: core straightness, rubber cover thickness, and final dynamic balancing. After grinding, every roller is checked on a balancing machine to ISO 1940 Grade G2.5 or better. This is the main reason our rollers create less vibration and produce fewer wrinkles on high-speed converting lines. This level of precision helps protect your motor and drive components from stress, which translates into lower maintenance costs over time.
4. Which rubber material should I use for my converting line?
The right material depends on the web type, chemical contact, operating temperature, and nip pressure. SBR is an economical choice for dry paper converting; NBR better resists oil and grease; EPDM and silicone suit high-temperature processes; PU gives good wear resistance for sharp or abrasive materials. Send us your conditions and we will give professional advice based on the actual application. Our team can provide material test data to support your selection.
5. What is the delivery time for a custom roller order?
For 1 to 4 rollers, production usually takes around 7 to 15 working days after drawing approval. Larger quantities or special compounds may need more time. We will confirm a realistic delivery estimate before production and keep you informed if raw material supply or machine scheduling affects the date. We generally avoid overpromising lead times so that your production planning stays on track.
6. Can you re-cover old rollers instead of making new ones?
Yes. Re-covering is a practical way to extend the life of your existing steel core. We strip the old rubber, re-wrap the core, and then grind and balance it to the original drawing tolerance. This reduces cost and keeps your line running with a dependable smooth surface. Many of our clients choose this option for routine maintenance, and it gives them a cost-effective alternative to purchasing complete new rolls.
7. How is the roller packed for export?
Each roller is protected with foam wrap and secured in a wooden crate with edge guards. The packing standard is designed to prevent damage during sea or air freight, and we can also add export cartons or plywood crates according to your shipping preference. This ensures your rollers arrive in the same precise condition as they left our factory.
8. Do you support third-party inspection and factory visits?
Yes. We welcome buyers to visit our factory or arrange SGS/BV inspection before delivery. For long-distance cooperation, photos and video of the running test can be sent in advance, so you can confirm the roller quality before shipment. This openness is part of our commitment to building long-term trust with global customers.
Looking for a reliable manufacturing partner for your rubber roller project?
Get in touch for quick quotes, custom samples, and volume discounts. We are here to support your project from design to delivery. Our team can also give expert advice on material selection and roller construction, so you get the most suitable solution for your converting line.
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