b'LinearMotion LinearMotionRG Series RG Series1010 C3C3 Advantages and Features() 100km= ()62mileL= If the environmental factors are taken into consideration, the nominal life will be influenced greatly by the motion PP The new RG series from Hiwin features a roller as the rolling element instead of steel balls. The roller seriesconditions, the hardness of the raceway, and the temperature of the linear guideway. The relationship between offers super high rigidity and very high load capacities. The RG series is designed with a 45-degree angle ofthese factors is expressed in Eq.2.5.contact. Elastic deformation of the linear contact surface, during load, is greatly reduced thereby offering greater10 10rigidity and higher load capacities in all 4 load directions.The RG series linear guideway offers high performancef h f t C 3 f h f t C 3for high-precision manufacturing and achieving longer service life. L= ()100km= () 62mile Eq. 2.5f wP f wP(1) Optimal designFEM analysis was performed to determine the optimal structure of the block and the rail. The unique design ofL: Nominal life f h : Hardness factorthe circulation path allows the RG series linear guideway to offer smoother linear motion.P: Calculated load f t : Temperature factorC : Basic dynamic load rating f W: Load factorWhere, the hardness factor, the temperature factor and the load factor are the same as a ball-type guideway.Compared with conventional linear ball-type guideways, the RG series linear guideway has a higher load capacity that allows it to achieve a longer service life. (5) Durability testRG(2) Super high rigidityDeformation of Diameter (m)The RG series is a type of linear guideway that uses rollers as the rolling elements. Rollers have a greater contact area than balls so that the rollerModel of the test systemguideway features higher load capacity and greater rigidity. The figure shows the rigidity of a roller and a ball with equal volume. Table 2.56 (3) Super high load capacity Tested model 1: RGH35CA Test results:With the four rows of rollers arranged at a contact angle of 45-degrees,Preload: ZA class The nominal life of the modelthe RG series linear guideway has equal load ratings in the radial,Lateral Load(kN) Max. Speed: 60m/min is 1000km.reverse radial and lateral directions. The RG series has a higher loadAcceleration: 1G After the traveling distance,capacity in a smaller size than conventional, ball-type linear guideways. Stroke: 0.55m fatigue flaking did not appearLubrication: grease held every 100km on the surface of the racewayExternal: 15kN or rollers.(4) Operating life increased Traveling distance: 1135kmThe basic dynamic load rating (100km rating) complies with ISO standard (ISO14728-1). The actual load will affect the nominal life of a linear guideway. Based on the selected basic dynamic rated load and the actualTested model 2: RGW35CC Test results:load, the nominal life can be calculated by using Eq.2.4. This life formulaPreload: ZA class Fatigue flaking did not appearis different from that for conventional linear ball-type guideways. Max. Speed: 120m/min on the surface of the racewayAcceleration: 1G or rollers after a distance ofStroke: 2m (15000km).Lubrication: oil feed rate: 0.3cm3/hr1010External load: 0kN C3C3Traveling distance: 15000km () 100km= ()62mileL=PPNote: The data listed are from these samples.T: 01827 288122F: 01827 253391 T: 01827 288122F: 01827 25339110 10f h f t C 3 f h f t C 3E: sales@wmh-trans.co.ukwww.wmh-trans.co.uk E: sales@wmh-trans.co.ukwww.wmh-trans.co.ukL= ()100km= () 62milef wP f wP60 61'