Qingdao Jinhecheng Machinery Co., Ltd. is one of the leading manufacturers and suppliers of hard chrome plated roller in China, also supports customized service with low price. Welcome to wholesale bulk hard chrome plated roller made in China here from our factory. Contact us for quotation.
Product Overview
Hard chrome plated rollers are high-precision core components for printing, packaging, plastic film, textile and coating industries. All products are fully self-processed in our factory, adopting seamless steel pipe blanks, and completed with precision turning, thermal shaft assembly, multi-stage polishing, G2.5 dynamic balancing and hard chrome plating. Featuring high surface hardness, excellent wear resistance and stable structural performance, the rollers adapt to long-term high-speed and continuous production, effectively stabilizing line operation and reducing maintenance costs.
Production Process
We implement standardized precision manufacturing and full-process quality control. Raw materials are strictly inspected to eliminate cracks and defects. CNC precision turning ensures accurate dimensional tolerance and cylindricity. The shaft and barrel are integrally assembled by thermal bonding for tight fit. Multi-stage polishing removes tool marks to form a flat base for plating. Uniform hard chrome coating is formed by precise current and time control. Secondary fine polishing optimizes surface roughness. All finished rollers are calibrated by professional dynamic balancing machines and fully inspected before delivery.
Technical Specifications
|
Parameter Item |
Standard Specification |
|
Base Material |
National standard seamless steel pip |
|
Surface Hardness |
HRC 60-65 (HV 850-1100) |
|
Surface Roughness |
Ra ≤ 0.2μm (mirror finish) |
|
Dynamic Balance Grade |
G2.5 |
|
Chrome Plating Thickness |
0.03–0.15mm (customizable) |
|
Customization Scope |
Size, shaft structure, plating thickness, surface finish |
Product Advantages & Comparative Analysis
Core Advantages
The high-density hard chrome layer provides stable wear and scratch resistance, avoiding material abrasion and surface damage during long-term operation. Precision G2.5 dynamic balance eliminates high-speed vibration, ensuring flat material conveying and stable production quality. Thermal integral shaft structure effectively prevents loosening and displacement under continuous torque load. Ultra-smooth mirror surface reduces material adhesion and simplifies daily maintenance. Full custom dimensions and parameters perfectly match different production line equipment.
Industry Application Cases
1. Printing Industry : Suitable for web printing lines. High-hardness chrome surface resists ink corrosion and abrasion. Stable high-speed operation effectively avoids printing ghosting and uneven inking, improving printing fineness and yield.
2. Packaging Industry : Applied in paper slitting and laminating equipment. Ultra-smooth surface ensures flat feeding without scratching or wrinkling packaging paper, adapting to long-term continuous packaging processing.
3. Plastic Film Industry : Matched with film blowing and slitting machines. Uniform chrome coating prevents film scratching and pulling, ensuring uniform film thickness and stable rolling quality.
4. Textile Industry : Used in textile calendering and setting equipment. Smooth surface will not hook fibers, ensuring flat textile surface and stable finishing quality.
Hard Chrome Roller vs Ordinary Steel Roller
| Comparison Items | Our Hard Chrome Plated Roller | Ordinary Carbon Steel Roller |
| Surface Hardness | Ultra-high hardness of HRC60-65. Scratch-proof and pressure-resistant with minimal surface indentation and wear | Relatively low hardness. It develops burrs easily under prolonged friction, wears quickly and suffers sharp precision decline |
| Wear Resistance | Dense chromium coating delivers outstanding wear resistance, leading to tiny wear during high-speed material conveyance | Poor surface wear resistance. Long-term operation brings deformation and damages the flatness of processed materials |
| Rust & Corrosion Resistance | The chrome plating blocks air and moisture to resist rust and corrosion, suitable for humid workshop environments | Prone to oxidative rust. Moisture triggers rust spots readily, which may scratch conveyed materials |
Production Equipment
Our factory owns over 20 sets of large CNC precision devices, enabling fully in-house processing covering raw material finishing, precision turning, polishing and dynamic balance calibration. High-end intelligent CNC machinery delivers accurate machining to guarantee uniform precision, stable quality and premium surface finish for every roller. Well-configured premium equipment enables mass production of industrial chrome rollers featuring high precision and outstanding durability.
Certification
Our factory is a high-tech enterprise, equipped with CE and TÜV Rheinland certification. All products have complete export qualifications, compliant with international industrial standards, and support global shipment and worldwide equipment matching.
FAQ
Q1: Can the roller size and plating thickness be customized?
A1: Full customization is supported, including roller diameter, length, shaft size, chrome thickness and surface finish.
Q2: How to get a quotation fast?
A2: Please provide detailed information such as material requirements, dimensions, quantity, or photos. It is best to provide detailed drawings.
Q3: What about the lead time for production?
A3: The shortest production lead time is 7 days, and the exact time depends on your order quantity and product type.
Q4: How is your factory doing in terms of quality control?
A4: Quality first. Jinhecheng attaches great importance to quality control from the beginning to the end of production. Every product must be carefully inspected before packaging and shipping.
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