BL Ball Guide Line Bushing

BL (copper-based), BL-A (aluminum), BL-P (polymer plastic base) to keep the ball solid, respectively, copper alloy, hard alloy, POM resin matrix, and on its outer surface, processed orderly, appropriate size, shape special cavities in their cavities inserts Rolling ball. Mouth using the latest circumferential groove ball lock technology, effective solution to the traditional lock and indentation style ball lock ball can not completely prevent the ball off problems. Hole bottom machined spigot 90 ° free rotation in the hole so that the ball does not come off .

Since the wall thickness is greater than the diameter of ball retainers, so when using the circle holding up the ball, the outer surface in direct contact with the mating holes and shafts, so that the substrate (retainer) floating in the middle, and Matching the difference is less than the radius of the hole and shaft diameter steel balls, steel ball that is associated with interference fit, with high accuracy, flexible shaft and bore relative motion. A retaining ring replacement products.

Application

Construction Equipment: Track chassis running gear wheel set, towing wheel set, the tension wheel set;
Automotive industry: balance shaft bush, steel pin bushing, the kingpin Shaw bushings, rod bushings, valve rocker bushings, camshaft bushings, bushings differential, gearbox bushings, engine main bearing , thrust washers;
And a piston side panels, side panels and other gear pump.

Traditional hole shaft having relative movement there is a certain gap, the larger coefficient of friction and movement, the use of ball retainer ring, the shaft and bore no direct contact between the hole and the shaft, but by the middle trace of interference ball, thus high precision movement, rolling friction instead of dynamic friction, rolling flexible, low friction, long life, both in the rotation, but also to move the case, with no oil or fuel sleeve cooperates with the shaft, although they would satisfied, but the movement precision low rolling bearing, relative rotation of the shaft can only meet the occasion, and the ball retainer, the above two conditions are met, has been widely used in rolling die mold, high-precision machine tools, machine tool accessories and high accuracy is required axial or axial-radial motion simultaneously occasio

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