GB65B Cast Iron Change Gear Stand-Off Series Click here for spec sheet:

Click here for spec sheet: UCPA Spec Sheet

Click here for spec sheets: BUCTFL Spec Sheet

a spring loaded pressure plate (magnet armature) presses against the rotating discs

Catalog Product Section

GB65B Cast Iron Change Gear Stand-Off Series Click here for spec sheet:Boston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input. All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together, allowing them to spin on an intermediate shaft. The change gears we stock range from 20 tooth through 128 tooth gears, in one tooth increments, depending upon the diametrical pitch, for a