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THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 1
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 2
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 3
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 4
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 5
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 6
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 7
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 1
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 2
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 3
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 4
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 5
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 6
THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 7

THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment

Product Model THK HCR15A
Series HCR Curved Guide Rail Series
Type Arc / Curved Linear Guide Rail
Slider Model HCR15A Standard Block (Included)
Material Heat-Treated High-Grade Steel, Anti-Corrosion Finished
Precision Grade THK Standard High Precision Grade
Curved Radius Standard / Customizable Options Available
Application Scenarios Automation, Medical Devices, Stage Equipment, Packaging Machinery

📐 Arc length formula: Arc length = radius × angle (rad). Example: R500mm, 90° → arc length ≈ 785mm

5.0
design customization

THK HCR15A Curved Guide Rail | Genuine Original Arc Linear Rail Assembly

The THK HCR15A curved guide rail (arc rail) enables smooth, precise circular or arc-shaped linear motion. It overcomes the limitation of standard linear rails by allowing loads to travel along a curved path with high rigidity and low friction. Perfect for rotary robots, circular worktables, curved conveyors, medical rotating equipment, and more.

✅ In stock | Custom radius from R200 to R4000mm | Works with HCR15C curved block

Technical Specifications

SpecificationDetails
Product ModelTHK HCR15A
SeriesHCR Curved Guide Rail Series
TypeArc / Curved Linear Guide Rail
Slider ModelHCR15A Standard Block (Included)
MaterialHeat-Treated High-Grade Steel, Anti-Corrosion Finished
Precision GradeTHK Standard High Precision Grade
Curved RadiusStandard / Customizable Options Available
Application ScenariosAutomation, Medical Devices, Stage Equipment, Packaging Machinery

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Feature of HCR15A Curved Guide Rail

THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 12

Genuine Original THK Quality

100% genuine THK HCR15A curved guide rail, manufactured to THK’s strict quality standards. Each rail undergoes rigorous testing to ensure consistent performance and compatibility, eliminating counterfeit risks.

THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 13

High Precision Curved Motion

Precision-engineered ball circulation system ensures smooth, repeatable positioning with minimal backlash, ideal for accurate circular and curved motion setups.

THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 14

Low Noise & Vibration-Free Operation

Optimized ball raceways and lubrication retention design reduce noise, making it suitable for sensitive environments like medical labs and stage performances.

THK HCR Series Curved Guide Rail Arc Guide Block HCR12A HCR15A High Precision Arc Linear Rail with Slider for Automation Equipment 15

Versatile Customization Support

Compatible with partial arcs (90°/180°) and full 360° circular systems, with customizable radii to meet unique project specifications.

Customization Options

  • Arc radius (mm): R200, R300, R400, R500, R600, R800, R1000, R1200, R1500, R2000, R2500, R3000, R4000 (others available on request)

  • Arc angle: 30°, 45°, 60°, 90°, 120°, 180°, 270°, 360° (full circle)

  • Surface treatment: Standard untreated / Black chrome plating / Anodized (corrosion protection only)

  • Accuracy grade: N (Normal) / H (High) / P (Precision)

🔧 Need a non-standard radius or angle? Provide a CAD sketch or radius/angle requirements, and we will produce a custom solution.

Application

🏭 Industrial Automation

Used in automated assembly lines, rotary transfer machines, and material handling systems for reliable curved motion of workpieces and tool changers.

🏥 Medical & Lab Equipment

Ideal for medical imaging devices, diagnostic scanners, and lab automation workstations, where high precision and low noise are critical.

🎭 Stage & Amusement Systems

Perfect for rotating stage platforms, theme park ride mechanisms, and moving display systems, with durability for frequent use and heavy loads.

📦 Packaging Machinery

Applied in rotary packaging machines, sorting systems, and curved conveyor lines for precise product movement at high speeds.

industrial automation lines
industrial automation lines
CNC (3)
CNC (3)
Semiconductor manufacturing equipment
Semiconductor manufacturing equipment

Why Choose Our THK HCR15A Curved Guide Rail?

✅ 100% genuine original THK products with full quality verification

✅ Flexible MOQ options: small prototype orders to large industrial bulk purchases

✅ Custom solutions: curved radii, pre-lubricated options, and modified assemblies available

✅ Fast global shipping with secure anti-rust packaging and door-to-door delivery

✅ Professional technical support for installation guidance and compatibility checks

RFQ

Q1: Can the HCR15A curved rail be combined with straight rails to form an oval loop?
A: Yes. THK provides transition blocks (straight-to-curve adapters) for elliptical or racetrack circulation. Please provide your layout drawing.

Q2: What is the maximum speed for the curved guide rail?
A: Recommended ≤ 1.5 m/s, depending on radius and load. For small radii (

Q3: Do you offer installation services?
A: We provide detailed drawings and video guides. On-site guidance can be arranged for large orders (subject to discussion).

Q4: Is the HCR15A curved rail in stock?
A: Common radii (R500, R1000) with 90°/180° arcs and HCR15C blocks are usually in stock. Non-standard radii require 15–20 days for custom production.

Q5: What is the lubrication interval?
A: Under normal conditions, lubricate every 6 months or 2000 km of travel. Shorten to 3 months in dusty environments.

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