CNC Machine Tools
Enable precise three-axis movement in milling centers and lathes, delivering repeatable accuracy for complex machining operations and tight tolerance requirements
Common Challenges You Face
Don't let poor-quality circular guides compromise your production efficiency and increase downtime costs
Precision Loss & Wobbling
Low-grade circular guides cause vibration and position drift during operation, leading to defective products and wasted materials.
Rapid Wear & Short Lifespan
Inferior materials and poor heat treatment result in quick deterioration, forcing frequent replacements and increasing maintenance costs.
Installation Difficulties
Tight tolerances in cheap guides make assembly time-consuming and frustrating, requiring expensive rework and delaying projects.
Noise & Vibration Issues
Unbalanced components and poor finishing create excessive noise pollution and resonance, affecting workplace environment and product quality.
Inconsistent Product Quality
Batch variations from unreliable suppliers cause unpredictable performance, making quality control impossible and customer satisfaction suffer.
Unreliable Lead Times
Delays from suppliers disrupt your production schedule, forcing rush orders at premium prices and causing missed deadlines with your customers.
Eliminate these problems with our precision-engineered circular guides
Get Expert Solutions NowHow We Solve Your Problems
Engineered solutions that deliver measurable improvements to your operations
Guaranteed ±0.01mm Parallelism
Advanced CNC grinding equipment ensures consistent precision across all units, eliminating positioning errors and improving your product quality
Multiple Model Options
Comprehensive range of sizes and configurations match diverse mechanical structures, enabling seamless integration into your existing systems
GCr15 Steel + Protective Coating
Premium bearing steel with anti-corrosion treatment extends component lifespan by 300%, reducing your long-term maintenance expenses
7-Day Fast Delivery
Substantial inventory of standard models enables rapid shipment, keeping your production schedules on track without delays
Factory Direct Pricing
Eliminate middleman markups with direct manufacturer pricing, saving you 20-35% compared to distributors while maintaining premium quality
Rigorous Durability Testing
50,000-cycle endurance testing validates performance under real-world conditions, ensuring reliable operation throughout the rated service life
Ready to experience superior performance and reliability?
Request Your Custom QuoteUnderstanding Circular Guide Structure
Learn the key components that make circular guides essential for precision linear motion
Core Components Explained
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Outer Ring Housing
Precision-machined steel casing provides structural support and maintains alignment under load, ensuring stable operation in demanding applications
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Inner Ring & Bearing Track
Hardened raceway surface enables smooth rolling contact with minimal friction, delivering consistent motion quality over millions of cycles
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Recirculating Ball Bearings
Precision steel balls distribute load evenly across the contact surface, maximizing load capacity while maintaining low friction coefficient
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Radial Load Support System
Engineered geometry handles multi-directional forces effectively, providing stable performance even under complex loading conditions
Need technical guidance for your specific application?
Consult Our EngineersHow Circular Guides Work in Mechanical Transmission
The engineering principles behind precise linear motion control
Precision engineering for rotary-to-linear motion conversion
Working Principle
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1
Rolling Contact Technology
Ball bearings eliminate sliding friction by maintaining pure rolling contact, reducing coefficient of friction to 0.002-0.004 for exceptional efficiency
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2
Precision Load Distribution
Multiple ball bearing contact points evenly distribute forces across the raceway surface, enabling high load capacity without compromising smoothness
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3
Linear Motion Efficiency
Optimized bearing geometry achieves 95%+ mechanical efficiency in converting rotational input to linear output, minimizing energy loss
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4
Self-Lubricating Design
Sealed lubrication system maintains consistent film thickness between rolling elements, extending maintenance intervals and component lifespan
Application Scenarios
Circular guides deliver precision performance across diverse industrial applications
Automated Assembly Lines
Support high-speed pick-and-place operations in production lines, maintaining positioning accuracy through millions of cycles for consistent assembly quality
Industrial Robot Joints
Provide smooth articulation and precise positioning for robotic arms, ensuring accurate motion control in welding, painting, and material handling applications
Precision Measurement Equipment
Enable micron-level positioning in coordinate measuring machines and optical inspection systems, ensuring measurement accuracy for quality control processes
Medical Device Manufacturing
Support delicate positioning requirements in diagnostic equipment and surgical instrument production, meeting stringent medical industry quality standards
Packaging Machinery
Drive high-speed filling, sealing, and labeling operations with consistent accuracy, maximizing throughput while minimizing product waste and downtime
Find the perfect circular guide solution for your application
Discuss Your Application RequirementsFeatured Circular Guide Models
Premium quality circular guides engineered for demanding industrial applications
CG-16 Standard Series
- Guide Diameter: 16mm
- Load Capacity: 850N
- Precision Grade: C5
CG-20 Heavy Duty
- Guide Diameter: 20mm
- Load Capacity: 1260N
- Precision Grade: C3
CG-25 Precision Series
- Guide Diameter: 25mm
- Load Capacity: 1850N
- Precision Grade: C3
CG-30 Industrial
- Guide Diameter: 30mm
- Load Capacity: 2650N
- Precision Grade: C5
CG-35 Super Heavy
- Guide Diameter: 35mm
- Load Capacity: 3580N
- Precision Grade: C3
CG-40 Ultra Series
- Guide Diameter: 40mm
- Load Capacity: 4720N
- Precision Grade: C5
Need custom specifications or bulk pricing?
Contact Our Sales TeamComplete Technical Specifications
Detailed parameters to help you select the optimal circular guide for your application
| Model | Guide Diameter (mm) | Dynamic Load (N) | Static Load (N) | Material | Precision Grade | Typical Application |
|---|---|---|---|---|---|---|
| CG-16 | 16 | 850 | 1420 | GCr15 Steel | C5 / C7 | Light automation, positioning stages |
| CG-20 | 20 | 1260 | 2150 | GCr15 Steel | C3 / C5 | CNC machines, assembly equipment |
| CG-25 | 25 | 1850 | 3200 | GCr15 Steel | C3 / C5 | Precision machining, robot arms |
| CG-30 | 30 | 2650 | 4580 | GCr15 Steel | C5 / C7 | Industrial automation, packaging |
| CG-35 | 35 | 3580 | 6250 | GCr15 Steel | C3 / C5 | Heavy duty CNC, gantry systems |
| CG-40 | 40 | 4720 | 8350 | GCr15 Steel | C5 / C7 | Large machinery, material handling |
Not sure which model fits your requirements?
Get Expert Selection GuidanceOEM & Customization Services
Tailored circular guide solutions designed to meet your exact specifications and application requirements
Manufacturing Excellence & Quality Assurance
Advanced production processes and rigorous quality control ensure every circular guide meets international standards
CNC Turning
High-precision CNC lathes machine raw materials to exact dimensions with ±0.005mm tolerance
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Heat Treatment
Controlled hardening process achieves HRC 58-62 surface hardness for superior wear resistance
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Precision Grinding
Multi-axis grinding centers achieve mirror-finish raceways with Ra 0.2μm surface roughness
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Component Assembly
Clean-room assembly with precision ball selection ensures optimal clearance and smooth operation
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Final Inspection
CMM measurement, load testing, and running accuracy verification certify each product before shipment
Circular Guide vs Linear Guide Comparison
Understanding the key differences helps you select the optimal guide system for your specific application
| Performance Factor | Circular Guide (Round Rail) | Linear Guide (Profile Rail) |
|---|---|---|
| Precision Level | Standard precision (±0.05mm) | High precision (±0.01mm) |
| Load Capacity | Moderate (suitable for light-medium loads) | High (handles heavy loads efficiently) |
| Motion Type | Linear motion with rotational tolerance | Strictly linear motion only |
| Installation Complexity | Simple - forgiving to misalignment | Precise mounting surface required |
| Cost Effectiveness | Lower initial investment | Higher cost but longer service life |
| Maintenance Requirements | Minimal - self-aligning design | Regular inspection needed |
| Ideal Applications | 3D printers, simple automation, DIY CNC | Industrial CNC, precision robotics |
Advanced Inspection & Testing Equipment
State-of-the-art measurement systems validate every specification and ensure consistent quality
3D Coordinate Measuring Machine
- Dimensional accuracy verification ±0.002mm
- Parallelism and perpendicularity measurement
- Geometric tolerance inspection
- Complete digital documentation
Rockwell Hardness Tester
- Surface hardness testing HRC 58-62
- Case depth measurement verification
- Heat treatment quality validation
- Material property certification
Surface Roughness Tester
- Raceway surface finish Ra 0.2-0.4μm
- Bearing track smoothness verification
- Friction coefficient prediction
- Service life estimation analysis
Manufacturing Facility & Production Capability
Modern production facility equipped with advanced machinery and experienced technical team
Customer Success Stories
Trusted by manufacturers worldwide for reliable circular guide solutions
"Excellent precision and smooth operation. We've installed these circular guides in 12 CNC machines and they perform consistently well. The technical support team helped us select the perfect specifications. Highly recommended for automation projects."
"Outstanding quality-to-price ratio. The circular guides arrived well-packaged and installation was straightforward thanks to the forgiving tolerances. They've been running 24/7 for 8 months without any issues. Will definitely order again."
"Professional service from quote to delivery. The customization options allowed us to get exactly what we needed for our robotic assembly line. Fast shipping and excellent after-sales support. A reliable partner for motion control components."
Trusted by Leading Companies Worldwide
Manufacturing Corp
Automation Systems
Robotics Solutions
Industrial Equipment
Packaging Technology
Precision Machinery
Get Your Custom Quote Today
Tell us about your project and receive a detailed quotation within 24 hours
Send Inquiry Now
Response Time
Within 4 hours during business days
24-hour technical support available
Languages Supported
English, Chinese
Professional technical documentation
Global Shipping
Worldwide delivery available
DHL, FedEx, Sea freight options