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{"title":"HIWIN RGH20CA Linear Rail Bearing Block Linear Guide Rails And Bearings 20mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/bd\/06\/52e3e4d0700e176de37cea632c2b-200x200-1\/hiwin_rgh20ca_linear_rail_bearing_block_linear_guide_rails_and_bearings_20mm_size.jpg","attrs":{"Brand Name":"HIWIN","Model Number":"RGH20CA","Certification":"DE1924083895474","Place of Origin":"CHINA TAIWAN"}}
{"title":"HIWIN RGH55HA Linear Guide Bearing Block Linear Guide Rail High Performance","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/6a\/5cb76f5ed55bc23d3d847f283ea3-200x200-1\/hiwin_rgh55ha_linear_guide_bearing_block_linear_guide_rail_high_performance.jpg","attrs":{"Brand Name":"HIWIN","Model Number":"RGH55HA","Certification":"DE1924083895474","Place of Origin":"CHINA TAIWAN"}}
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①HIWIN RGH35HA Linear Guideway Block For CNC Grinding Machines
The HIWIN RGH35HA Linear Guideway Block represents the gold standard in precision motion control for CNC grinding machines, where micron-level accuracy and vibration-free operation are paramount. Engineered specifically for the exacting demands of high-precision grinding applications, this roller-type guideway delivers unmatched stability to maintain tight tolerances when processing hardened tool steels, ceramics, and advanced alloys. The RGH35HA's ultra-rigid construction eliminates microscopic deflection during fine finishing passes, ensuring consistent surface integrity across complex contours and critical bearing surfaces. Its optimized roller geometry minimizes friction-induced heat buildup—a crucial advantage in precision grinding where thermal stability directly impacts dimensional accuracy. The guideway's advanced damping characteristics absorb high-frequency vibrations from abrasive processes, preventing chatter marks that compromise surface finish quality in optical, automotive, and aerospace components. Specialized sealing technology protects precision rolling elements from grinding swarf and coolant mist, while maintaining buttery-smooth motion for delicate spark-out passes. When integrated into CNC cylindrical, surface, or tool grinding machines, the RGH35HA provides the motion integrity needed to achieve sub-micron repeatability and mirror finishes—whether producing medical implant components, fuel injection parts, or high-precision mold cores. The guideway's preload adjustability allows fine-tuning for specific grinding applications, from heavy stock removal to final micron-level finishing. By combining granite-like stability with friction-optimized movement, the HIWIN RGH35HA enables grinding machines to consistently produce parts at the razor's edge of precision technology—where the difference between acceptable and exceptional is measured in light bands rather than millimeters. For manufacturers pushing the boundaries of fine finishing, this linear guideway provides the unshakable foundation that transforms grinding potential into measurable perfection.
②Drawing of RGH35HA
③Model Number of RG Series
④Construction of RG Series
1.Rolling circulation system: Block, rail, end cap, Circulation path, rollers
2.Lubrication system: Grease nipple and piping joint
3.Dust protection system: End seal, bottom seal,bolt cap, double seals and scraper.
⑤Features of RG series
The new RG series from HIWIN features a roller as the rolling element instead of steel balls. The roller series offers super high rigidity and very high load capacities. The RG series is designed with a 45-degree angle of contact. Elastic deformation of the linear contact surface, during load, is greatly reduced thereby offering greater rigidity and higher load capacities in all 4 load directions.The RG series linear guideway offers high performance for high-precisionmanufacturing and achieving longer service life.
1. Optimal design
FEM analysis was performed to determine the optimal structure of the block and the rail. The unique design of the circulation path allows the RG series linear guideway to offer smoother linear motion.
2.Super high rigidity
The RG series is a type of linear guideway that uses rollers as the rolling elements. Rollers have a greater contact area thanballs so that the roller guideway features higher load capacityand greater rigidity. The figure shows the rigidity of a roller and a ball with equal volume.
3. Super high load capacity
With the four rows of rollers arranged at a contact angle of 45-degrees, the RG series linear guideway has equal load ratings in the radial, reverse radial and lateral directions.The RG series has a higher load capacity in a smaller size than conventional, ball-type linear guideways.
4. Operating life increased
Compare with the ball element, the contact pressure of rolling element is distributed on the line region. Therefore,stress concentration was reduced siginificantly and the RG series offers longer running life. The nominal life of RG seriescan be calculated by using Eq.
