RE Series Crossed Roller Bearing

RE Series Crossed Roller Bearing: Precision Motion Control Solution

When you're designing industrial equipment requiring exceptional rotational accuracy and load capacity, the RE Series Crossed Roller Bearing delivers the performance you need. This specialized bearing features an integral outer ring design with a split inner ring configuration, optimizing it for applications where outer ring rotation precision is critical. Unlike conventional bearing arrangements, this single-unit solution combines radial, axial, and moment load handling capabilities in one compact assembly, simplifying your design while enhancing performance reliability.

 

 

Technical Structure and Working Principle

The RE Arrangement utilizes a modern crossed-roller arrangement where round and hollow rollers are organized opposite to each other inside precision-ground V-groove raceways. This orthogonal roller course of action makes a 90-degree contact point that empowers concurrent multi-directional stack support.

The bearing's auxiliary plan highlights an indispensably external ring matched with a part internal ring get together. This setup permits for exact roller establishment whereas keeping up the external ring's auxiliary keenness. The part internal ring plan encourages gathering and empowers ideal preload alteration amid installation.

Each round and hollow roller is isolated by precision-molded cage separators, anticipating roller-to-roller contact and guaranteeing uniform stack dissemination. This course of action dispenses with the skewing inclinations common in ordinary roller heading, coming about in smooth, steady revolution with negligible grinding variation.

Performance Advantages in Industrial Applications

The crossed-roller plan gives remarkable load-carrying capacity over all stacking headings. You can accomplish spiral stack appraisals up to 85% higher than equivalent-sized ball heading, whereas the hub stack capacity comes to 70% of the spiral rating. The minute stack capability demonstrates especially profitable in cantilevered applications where conventional orientation would require extra bolster structures.

Rotational accuracy speaks to a key quality of this bearing sort. The inflexible raceway geometry combined with optimized preload settings conveys running precision inside 5-10 micrometers, assembly the requests of accuracy situating frameworks. The moo contact coefficient, ordinarily 0.002-0.004, guarantees smooth movement start and diminishes drive engine torque requirements.

The compact plan profile permits you to accomplish space reserve funds of up to 60% compared to dual-bearing courses of action. This dimensional productivity demonstrates vital in mechanical autonomy applications where weight and envelope imperatives specifically affect framework execution.

Technical Specifications

Target Applications and Industries

Industrial robotics represents the primary application domain for RE Series Crossed Roller Bearing units. In 6-axis articulated robots, these bearings enable precise joint positioning while withstanding the complex load combinations generated during high-speed operation cycles. The bearing's ability to maintain positioning accuracy under varying loads ensures consistent robot performance across extended production runs.

Machine instrument rotating tables advantage essentially from the RE Arrangement plan. The indispensably external ring setup gives the mounting straightforwardness required for worktable applications, whereas the tall minute stack capacity keeps up cutting exactness beneath variable machining strengths. The bearing's moo grinding characteristics diminish control utilization and warm era amid nonstop ordering operations.

Medical hardware applications use the smooth, vibration-free revolution characteristics fundamental for imaging frameworks and surgical mechanical autonomy. The bearing's calm operation and exactness movement control contribute to quiet consolation and symptomatic precision in clinical environments.

Semiconductor fabricating hardware utilizes these heading in wafer dealing with frameworks where contamination-free operation and nanometer-level situating precision are obligatory. The fixed plan choices anticipate molecule era whereas keeping up the exactness required for progressed lithography processes.

Installation and Maintenance Considerations

Proper establishment starts with cautious taking care of to protect the bearing's precision-ground surfaces. You ought to utilize suitable establishment tooling that applies constrain equitably over the bearing races, maintaining a strategic distance from stun loads that seem harm the raceway geometry.

Preload alteration requires particular torque values based on your application's firmness prerequisites. Light preload (0.02-0.05% of energetic stack rating) suits applications requiring smooth turn, whereas medium preload (0.05-0.10%) gives ideal solidness for situating applications.

Lubrication determination depends on your working environment and speed necessities. Lithium-complex oils work well for common applications, whereas manufactured alternatives expand temperature ranges and benefit interims. Oil oil suits high-speed applications or frameworks requiring warm dissipation.

 

Our Factory

 

 

Quality Assurance and Manufacturing Excellence

Our fabricating handle joins progressed pounding innovation accomplishing surface unpleasantness values underneath Ra 0.2μm on all raceway surfaces. Warm treatment methods utilize controlled environment heaters guaranteeing uniform hardness dissemination of 60-64 HRC all through the bearing races.

Each item experiences comprehensive testing counting vibration investigation, running torque confirmation, and dimensional review utilizing facilitate measuring machines. This quality control prepare guarantees each bearing meets indicated execution parameters some time recently shipment.

The generation office keeps up ISO 9001:2015 certification with specialized cleanroom situations for exactness bearing get together. Crude fabric traceability frameworks track steel composition and warm treatment records for each generation group.

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Why Choose Our RE Series Solution?

With 30 years of bearing manufacturing experience, we understand the critical performance requirements of precision motion control applications. Our integrated approach combines in-house production capabilities with comprehensive technical support, ensuring you receive both high-quality products and application expertise.

For technical consultation or custom specifications, contact our engineering team at auto@lyautobearing.com. We provide detailed application analysis and recommend the optimal RE Series Crossed Roller Bearing configuration for your specific requirements.