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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 RGH45CA Linear Guideway For Injection Molding Machines
The HIWIN RGH45CA Linear Guideway delivers industrial-grade precision and durability for injection molding machines, where consistent performance under extreme cyclic loading determines both product quality and production efficiency. Engineered to withstand the unique demands of plastic injection processes, this heavy-duty roller guideway system maintains perfect platen alignment through millions of molding cycles, preventing flash formation and dimensional variation in high-volume production. The RGH45CA's robust construction resists the tremendous clamping forces and off-center loads typical in large-tonnage molding machines, while its precision-ground rollers ensure buttery-smooth movement during mold opening, ejection, and closing sequences. Advanced sealing technology protects critical components from plastic particulates and hydraulic oil contamination – common challenges in molding environments – while maintaining optimal lubrication for 24/7 operation.
The guideway's vibration-damping characteristics stabilize the mold base during high-speed cycling, crucial for maintaining tight tolerances in medical components, automotive parts, and consumer packaging. Its thermal-stable design minimizes expansion effects in heated platens, ensuring consistent shot-to-shot repeatability when processing engineering resins or high-temperature composites. The RGH45CA excels in all-electric, hybrid, and hydraulic molding machines alike, providing the foundation for precise ejector movements, rotary table positioning, and core-pull mechanisms. By combining massive load capacity with micron-level motion consistency, this linear guideway helps molders achieve faster cycle times, longer service intervals, and superior part quality – transforming the challenges of modern injection molding into competitive advantages. For manufacturers pushing the limits of thin-wall molding, multi-material applications, or lights-out production, the HIWIN RGH45CA provides the reliable motion control that keeps precision molds operating at peak performance, shift after demanding shift.
②Drawing of RGH45CA
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.
