About Standard Roller Linear Motion Guideway
Design & Structure
Uses cylindrical rollers (instead of balls), creating line contact which significantly boosts load capacity and rigidity, especially under heavy loads
Typically features four-row, 45 DB contact angles, ensuring equal load handling in radial, reverse-radial, and lateral directions
Includes roller synchronizer mechanisms to reduce internal friction (gear effect), ensuring smoother, quieter movement
Materials & Sealing
Rails and blocks are made from hardened steel or stainless steel, often with corrosion-resistant coatings
Commonly delivered in sealed configurations to keep out debris and preserve lubrication .
Sizes & Ranges
Available in standard sizes like LMR15, LMR20, LMR25, LMR30, LMR35, LMR45, LMR55with some brands offering even up to LMR65
Rails can be manufactured in varying lengths some exceed 6m, depending on supplier
Performance Characteristics
Designed for ultra-high rigidity and super-heavy load applications
Excellent smooth motion, with low friction and noise, high precision, and long lifespan
Ideal for high-end CNC machines, robotics, heavy gantries, and vibration-intensive environments
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