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高光洁度磨削,要求在修正砂轮时,工作台能在极低速度下运行稳定,以获得磨粒的微刃性和微刃的等高性。对普通磨床(如M131W万能外圆磨床)进行适当的调整、修理或改装,一般能使工作台在10毫米/分以下的低速不爬行。当工作台速度很小时,油楔作用降低,油膜变薄,甚至部分油膜被破坏,使导轨面间的摩擦阻力增大,当工作台速度低于一定范围时,摩擦系数增加到某一数值后,就出现了起伏变化。因此,液压系统的驱动刚性差,当工作台摩擦阻力发生变化时,象弹簧一样;当驱动
High-quality grinding, grinding wheel requirements in the table, the table can be run at very low speed and stability, in order to obtain the micro-edge abrasive and micro-edge contour. Ordinary grinder (such as M131W Universal Cylindrical Grinder) for proper adjustment, repair or modification, the general can make the table at 10 mm / min the following low-speed non-crawling. When the workbench speed is very small, the oil wedge effect is reduced, the oil film is thinned, and even some of the oil film is damaged, so that the friction between the rail surface increases. When the table speed is below a certain range, the friction coefficient increases to a certain value , There have been ups and downs. Therefore, the hydraulic system drive rigidity is poor, when the table friction resistance changes, the same as the spring; when the drive