Insufficient lubrication causes wear between the contact surfaces, which become increasingly inaccurate. With a traditional slide, errors in accuracy are caused by the counter flow of the oil film. Therefore, there would be no slippage while the load is moving. The coefficient of friction is only 1/50 of traditional contact, and the difference between the dynamic and the static coefficient of friction is small. When a load is driven by a linear motion guideway, the frictional contact between the load and the bed desk is rolling contact. Thus, HIWIN HG series linear guideways can achieve a long life with high speed, high accuracy and smooth linear motion.īesides the standard top mounting type, HIWIN also offers the bottom mounting type of rails to customers.Īdvantages and Features of Linear Guideways It features equal load ratings in the radial, reverse radial and lateral directions, and self-aligning to absorb installation-error. HG series linear guideways are designed with load capacity and rigidity higher than other similar products with circular-arc groove and structure optimization.
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