TQI HGR15 Linear Rail | 4000mm High-Precision Guide Rail

The TQI LM RAIL HGR 15R 4000C RG is a high-performance linear guideway designed for the most demanding machinery applications. Featuring a 15mm nominal width and an extensive 4000mm continuous length, this rail provides a seamless, ultra-smooth track for linear carriages. The HGR series is characterized by a four-row circular arc groove design, which allows the rail to sustain loads from all directions (up/down and left/right) while maintaining high rigidity and self-aligning capabilities. Manufactured from high-tensile alloy steel with induction-hardened raceways, this rail ensures minimal friction and long-term repeatable accuracy. Whether you are building a large-format CNC router, a precision laser cutter, or an automated assembly line, the TQI HGR15 rail delivers the structural stability required for high-speed, vibration-free linear travel.

Four-row load-bearing design for equal load capacity in all directions
Induction-hardened raceways for superior wear resistance
Self-aligning capability to absorb minor mounting surface errors
Smooth travel performance with minimal friction coefficient
Standard 4000mm length for large-scale industrial machinery
High rigidity construction to minimize deflection under heavy loads
Precision-ground surfaces for consistent linear accuracy

Engineering Analysis & Technical Data

Technical Parameter	Specification Details
MODEL NUMBER	HGR 15R 4000C RG
RAIL WIDTH	15 mm
RAIL LENGTH	4000 mm
MOUNTING HOLE PITCH	60 mm
HOLE TYPE	Top-Down Mounting
ACCURACY GRADE	H (High) Standard
MECHANICAL	weight: 5.8 kg (approx) \| material: Hardened Alloy Steel \| protectionRating: Rust-Inhibitive Oil Coating

Industrial Applications

Usage Scenario	Target Industry
Large-Format CNC Router Axes (X, Y, Z)	Precision Machine Tool Manufacturing
Industrial Laser and Plasma Cutting Beds	Furniture and Signage Fabrication
Precision Grinding and Milling Machinery	Automotive and Parts Engineering
Automated Pick-and-Place Systems	Industrial Robotics and Automation
Heavy-Duty Linear Positioning Stages	Aerospace Component Manufacturing
Material Handling and Logistics Automation	General Engineering
3D Printing and Additive Manufacturing Equipment	General Engineering

Technical FAQ

Can this 4000mm rail be cut to custom lengths?

Yes, while the standard length is 4000mm, the rail can be precision-cut to your specific requirement. Please ensure to specify the distance from the rail ends to the first mounting holes (E-values) when ordering.

Is the rail resistant to rust?

The rail is made of high-carbon alloy steel and is supplied with a protective rust-inhibitive oil. For environments with high moisture, we recommend regular maintenance with industrial-grade lubricants or considering our chrome-plated options.

Which blocks are compatible with this HGR15 rail?

This rail is compatible with all standard HGH15 (Square) and HGW15 (Flange) type linear blocks. We recommend using TQI-branded blocks for guaranteed fit and performance.

Detailed Overview of TQI HGR15 Linear Rail | 4000mm High-Precision Guide Rail

Advanced Engineering & Integration

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