Liner Bushings
Liner bushings are used to reduce wear on fixture plates. Determining if one primary and one secondary or two primary liners are needed will depend on the locating repeatability. With two primary liners, repeatability of ±.0005" will be maintained if the two holes for receiver bushings are held to a centerline distance of ±.0002" tolerance.'
NOTE ON INSTALLATION OF PRESS FIT LINERS & BACK MOUNT STYLE RECEIVER BUSHINGS: To alleviate the possibility of binding the shank in the bore, the maximum interference fit between bore bushing O.D. should not exceed 0.0005". Liner Bushings
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