High Rigidity High Precision Ball Linear Guide Pair

High Rigidity High Precision Ball Linear Guide Pair

The High Rigidity High Precision Ball Linear Guide Pair combines a precision-ground rail, a rigid slider structure, and an optimized ball circulation system to deliver stable linear motion with high load capacity and accurate positioning.

The High Rigidity High Precision Ball Linear Guide Pair combines a precision-ground rail, a rigid slider structure, and an optimized ball circulation system to deliver stable linear motion with high load capacity and accurate positioning.

 

The internal rolling contact structure converts sliding friction into rolling friction, significantly lowering running resistance and maintaining consistent performance during long-term operation. Compared with standard linear guides, this series provides enhanced resistance against deformation and vibration, making it ideal for equipment where machining stability and accuracy retention are essential.

 

Technical Specifications

 

Item

Specification

Product Type

High Rigidity High Precision Ball Linear Guide Pair

Structure

Recirculating Ball Linear Guide

Rail Size

15 / 20 / 25 / 30 / 35 / 45 Series

Slider Type

Square Type / Flange Type

Accuracy Grade

Normal / High / Precision / Super Precision

Preload Class

Z0 / ZA / ZB

Material

High Carbon Chromium Bearing Steel

Surface Hardness

HRC58-64

Contact Type

Four-way Equal Load Contact

Load Direction

Radial Load / Reverse Load / Lateral Load / Moment Load

Running Accuracy

C / H / P / SP / UP Grades Available

Mounting Type

Top Mounting / Bottom Mounting

Lubrication

Grease or Oil Lubrication

Rail Length

Customized According to Requirement

 

Main Performance Advantages

 

High Rigidity for Stable Operation: Optimized raceway design improves structural stiffness, minimizing machining vibration, position deviation caused by external forces, and accuracy loss during continuous cycles.
Accurate Positioning and Repeatability: Precision manufacturing ensures consistent movement characteristics, supporting high-precision positioning and repeatable motion cycles.

Smooth Motion with Low Friction: The rolling ball mechanism reduces driving force requirements, limits component wear, and enhances overall motion efficiency.
Long-Term Operational Reliability: Crafted from hardened bearing steel with strict process controls, ensuring stable performance through repeated high-frequency operating cycles.

 

Application Industries

 

CNC Machine Tools: Machining centers, milling/grinding machines, and EDM equipment (provides rigid support against cutting loads).
Industrial Automation: Linear modules, Cartesian robots, pick-and-place units, and packaging lines (ensures smooth, reliable cycles).
Semiconductor & Electronics: Precision positioning and inspection systems (delivers low-vibration, repeatable motion).
Measurement & Testing: CMMs and optical inspection rigs (enhances measurement reliability).

 

Product Structure and Working Principle

 

The guide pair comprises four primary functional components:
Precision Guide Rail: Manufactured with advanced grinding technology to achieve stable contact surfaces, consistent dimensional performance, and high running accuracy.
Rigid Slider Block: Optimized slider geometry increases contact stiffness between the rail and slider, minimizing deformation under external loads and improving vibration resistance.
Recirculating Ball System: The rolling ball design ensures lower running resistance, smoother movement, reduced heat generation, and an extended operating life.
Sealing and Lubrication System: Integrated end seals protect internal components from dust and contaminants, while proper lubrication ports support stable performance across diverse industrial environments.
 

Accuracy Grades

 

Normal Grade: Suitable for standard automation equipment and general industrial machinery requiring reliable linear movement.
High Grade (H): Designed for industrial automation systems and precision handling equipment requiring improved running accuracy.
Precision Grade (P): Ideal for CNC machine tools, precision processing equipment, and advanced inspection systems.
Super Precision Grade (SP / UP): Engineered for high-precision manufacturing systems requiring ultra-stable positioning performance.

 

Preload Options

 

Z0 (No Preload): Suitable for applications requiring smooth movement and minimal resistance under light loads.
ZA (Light Preload): Provides an optimal balance between movement smoothness and rigidity, ideal for high-speed and medium-load conditions.
ZB (Medium Preload): Delivers higher stiffness and enhanced vibration resistance, perfect for heavy-duty CNC machining equipment.

 

Available Models and Custom Configurations

 

To accommodate diverse machine designs, flexible configurations are available:
Rail Configurations: Various rail widths, customized rail lengths, and customized mounting hole patterns.
Slider Configurations: Square slider types, flange slider types, and extended slider lengths.
Performance Customization: Tailored accuracy grades, preload levels, and specialized lubrication methods.

 

FAQ

 

Q: Do you provide technical support before ordering?

A: Yes. We can help confirm specifications based on your drawings, existing models, or application requirements.

Q: Can I order samples before bulk purchasing?

A: Yes. Sample orders can be discussed for product evaluation before regular purchasing.

Q: What information should I provide for an inquiry?

A: Please provide product model, required quantity, application details, or technical drawings if available.

Q: Do you support customized requirements?

A: Yes. Custom requirements such as dimensions, configurations, and special application needs can be evaluated.

Q: What is the typical lead time for orders?

A: Lead time depends on product specifications, quantity, and customization requirements. It can be confirmed after order details are reviewed.

Q: Can you support long-term supply cooperation?

A: Yes. Stable specifications and quality requirements can be maintained for repeated orders and long-term projects.

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