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Rolling Ring Linear Drives for Precision Coiling & Winding

High performance, low cost linear motion solutions trusted globally for winding, spooling, slicing, and positioning applications.

OK-C-TB Rolling Ring Drive

About Okcoil Machinery

Okcoil Machinery Co. is a professional manufacturer based in China, specializing in rolling ring linear drives—also known as traverse units, linear actuators, or linear motion assemblies.

Our products are engineered for reliability and precision in a wide range of industrial applications including wire & cable winding, fiber optic coiling, spooling, packaging, and automated positioning systems.

  • High Performance, Low Cost
  • Stepless Speed Regulation
  • Instantaneous Reversal
  • Up to 1000 RPM Traverse Speed
Okcoil Product Catalog

Our Rolling Ring Linear Drives

Precision-engineered traverse units designed for high-speed, reliable linear motion in industrial environments.

OK-A Rolling Ring Drive

OK-A Rolling Ring Drive

Compact design for light to medium-duty winding applications. Ideal for wire and cable spooling.

  • Stepless speed regulation
  • Instantaneous reversal
  • Max shaft speed: 1000 RPM
  • Easy installation and maintenance
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OK-C Rolling Ring Drive

OK-C Rolling Ring Drive

Heavy-duty model for industrial coiling and high-load applications. Durable construction.

  • High traverse speed capability
  • Robust housing design
  • Release lever for manual positioning
  • Compatible with various shaft diameters
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OK-C-TB Rolling Ring Drive

OK-C-TB Traverse Unit

Traverse unit with built-in guide system for precise linear motion in automated systems.

  • Integrated 4-roller guide
  • Smooth bidirectional movement
  • Adjustable pitch control
  • Low maintenance design
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4-Roller Guide

4-Roller Guide

Precision guide system for stabilizing the traverse unit and ensuring smooth linear motion.

  • Reduces vibration and wear
  • Enhances positioning accuracy
  • Durable steel construction
  • Easy to install and replace
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3-Roller Guide

3-Roller Guide

Compact guide solution for lighter applications requiring stability and precision.

  • Optimized for medium loads
  • Low friction movement
  • Corrosion-resistant materials
  • Compatible with OK-A and OK-C drives
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V-Shaped Bearing

V-Shaped Bearing

Specialized bearing for rolling ring drives ensuring smooth engagement with the shaft.

  • Precision-machined V-groove
  • High wear resistance
  • Optimized for rotary-to-linear conversion
  • Long service life
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4-Roller Guide II

4-Roller Guide II

Enhanced version with improved alignment and load distribution for heavy-duty use.

  • Reinforced housing
  • Better heat dissipation
  • Extended durability
  • Sealed roller bearings
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Wire Straightener

Wire Straightener

Accessory for preparing wire before coiling, ensuring uniform winding and tension.

  • Adjustable rollers
  • Handles various wire diameters
  • Reduces kinking and deformation
  • Easy integration with winding systems
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Key Product Features

Engineered for performance, reliability, and ease of use in industrial environments.

High Traverse Speed

Supports shaft speeds up to 1000 RPM for fast, efficient linear motion.

Instantaneous Reversal

Reverses direction instantly without changing shaft rotation.

Stepless Speed Regulation

Adjust traverse pitch precisely without changing motor speed.

Release Feature

90° lever turn disengages drive for manual positioning without stopping the shaft.

Industrial Applications

Our rolling ring drives are trusted across industries for precision linear motion.

Wire & Cable Winding

Precise layer winding for copper, aluminum, and fiber optic cables.

Coiling & Spooling

Uniform coiling of hoses, tubing, and industrial wire.

Packaging Machinery

Linear motion control for automated wrapping and bundling systems.

Textile Industry

Yarn traversing and bobbin winding with consistent tension.

Automated Positioning

Bidirectional linear actuators for robotics and CNC systems.

Medical Device Manufacturing

Precision winding for catheters, sensors, and micro-coils.

Technical Support

Installation

Mount the shaft properly to avoid blockage by the dustproof sheath. Ensure alignment and secure mounting for optimal performance.

Maintenance

Keep the working environment dust-free. Apply #20 machinery oil to the shaft regularly to maintain smooth operation and extend lifespan.

How It Works

Rolling ring linear motion converts rotary input into bidirectional linear output with variable speed control—no gears or belts required.

Traverse Unit Sizes

Frequently Asked Questions

What is a rolling ring linear drive?

It's a mechanical device that converts rotary motion into linear motion using angled rolling rings, allowing for variable speed and bidirectional movement.

Can I adjust the traverse speed while running?

Yes, the stepless speed regulation allows you to adjust the traverse pitch without changing the shaft rotation speed.

What maintenance is required?

Regular application of #20 machinery oil and keeping the environment dust-free are recommended for optimal performance.

Do you offer custom solutions?

Please contact our team through the official website for custom design and OEM inquiries.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website.

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