Drives and Controls Magazine

Capillary plate extends service intervals

01 September, 1999

Capillary plate extends service intervals

IKO Nippon Thompson claims it has been able to extend service and lubrication intervals on ball-type linear ways by fitting them with a capillary plate.

The capillary plate is made from a steel-backed, porous resin plate formed by sintering a fine resin powder and impregnating it with lubricating oil. This oil is released continuously into the raceways as the plate makes its passes.

In one test, a linear roller way was fitted with capillary plates packed with lithium soap grease. A load of 10kN -- 40% of the recommended maximum - was applied at a stroke length of 270mm and a speed of 64m/min. After 2,000km travel, no problems had been experienced with the roller way, and the test was abandoned.