Introduction
The EGH25SA precision linear rails are linear motion components with a low-assembly design. They use the rolling guide principle to achieve smooth, low-noise movement and feature a four-row ball structure that provides high rigidity and multi-directional load capacity. They also come with a self-aligning function to accommodate assembly errors, helping equipment achieve high-precision positioning. Their compact design is suitable for applications with limited space, meeting the transmission needs of high-speed automation equipment, precision instruments, and various other machines. Additionally, they are easy to assemble, simple to maintain, and can provide stable and reliable performance over the long term.
Product Specifications
EGH25SA This series of products is made from specific steel, featuring size specifications that accommodate various installation requirements, stable load and torque capacity, and lightweight component design, while also supporting multiple precision grades and preload options.
Core advantages of EGH25SA precision linear rails:
1. EGH25SA precision linear rails use a rolling guide design, providing smooth, low-noise motion with minimal friction, easily achieving high-precision positioning. The four-row steel ball structure combined with a special containment design gives the product high rigidity and multi-directional load-bearing capacity, allowing it to stably withstand forces from different directions.
2. Equipped with an automatic self-aligning function, it effectively absorbs assembly errors, ensuring usage accuracy without complex adjustments. Its compact shape is suitable for space-constrained applications, while also being easy to assemble and interchangeable, as the slider and rail can be replaced separately, reducing maintenance costs.
3. Low wear and a simple lubrication structure allow it to maintain stable performance over the long term, meeting the continuous operation requirements of high-speed automated equipment.
Application scope: Suitable for automated equipment, precision instruments, semiconductor machinery, and small industrial equipment in space-limited environments.
Service Model
Standard Product Supply:
Offers in-stock products with delivery within 3-7 days;
Custom Solutions:
From requirement communication → solution design → sample testing → mass production, the entire process is supported by a dedicated technical contact;
After-Sales Support:
Provides product installation guidance, a 1-year warranty (excluding human-caused damage), and fast response to malfunctions.
Our Factory
Xuxin Automation: Your Premier One-Stop Manufacturer for High-Precision Motion Components
we specialize in the R&D and manufacturing of custom non-standard lead screws and nuts. With our 13,000 m² state-of-the-art facility, we deliver highly reliable industrial automation solutions tailored to your exacting requirements.
Production Area
Advanced Equipment
Experienced Team
Annual Output
Why Choose Us?
Exceptional Non-Standard Customization Capabilities
In-house R&D: Our professional engineering team possesses decades of deep-seated expertise in the lead screw and nut industry.
On-Demand Development: Whether you require specialized leads, unique materials, or complex structures, we provide bespoke manufacturing based on your technical drawings (PDF, CAD, or 3D models).
Rigorous Quality Control & Manufacturing
High-Precision Machining: Leveraging our fleet of 80 CNC machines and precision grinding centers, we ensure every component achieves micron-level accuracy.
Full Supply Chain Integration: From raw material processing and heat treatment to precision grinding and final inspection, the entire process is completed in-house. This end-to-end control guarantees stable lead times and uncompromising quality.
FAQ
1. Q: How should the lubrication and dust protection of multiple linear guide rails be handled uniformly?
A: Using a centralized maintenance solution is more efficient:
Lubrication: Install a centralized lubrication system that delivers lubricant evenly to every slider lubrication port on each guide rail through a distributor, and set a unified lubrication cycle (e.g., replenishing grease every 3 months) to avoid omissions;
Dust protection: According to working conditions, install dust covers or chip scrapers of uniform specifications on all guide rails. In high-dust environments, sliders with double seals can be used to prevent contaminants from entering the raceway.
2. Q: What should be paid attention to when splicing multiple guide rails for ultra-long travel?
A: Focus on controlling joint accuracy and stress relief:
Leave an expansion gap of 0.5–1 mm at the rail joints to prevent deformation caused by temperature changes;
Use a straightedge or laser straightness measuring device for calibration at the joints to ensure there is no height difference (≤0.005 mm);
Fix the spliced rails on a sufficiently rigid mounting base to prevent deflection during operation.
3. Q: How to choose the driving method when using multiple linear guide rails?
A: Choose based on synchronization requirements:
Single drive + linkage structure: Suitable for equipment with general precision requirements. One motor drives multiple guide rails through gears, synchronous belts, or other linkage mechanisms to ensure synchronized movement, at a lower cost;
Multiple drives + servo synchronization: Suitable for high-precision equipment. Each guide rail is equipped with a servo motor, and PLC or motion controllers are used to synchronize the motors, ensuring consistent movement across all rails.
4. Q: What should be noted during disassembly and maintenance of multiple guide rails?
A: The key is proper marking to avoid misalignment during reinstallation:
Before disassembly, mark the rails and sliders so that sliders can return to their original positions upon reassembly, minimizing precision deviation;
When disassembling a single rail, first secure the equipment table to prevent tilting that could stress other rails;
After maintenance and reassembly, re-calibrate rail parallelism and straightness, and conduct a test run to ensure smooth operation before putting the system back into use.
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