GH33B Cast Iron Change Gear Worm Gears self-centering design with mounting flange

self-centering design with mounting flange for use in through-bored components

Click here for spec sheets: CUCNPFB Spec Sheet

Click here for spec sheet: SNATP Spec Sheet

worms and worm gears operating together must have the same diametrical pitch and threads

GH33B Cast Iron Change Gear Worm Gears self-centering design with mounting flangeBoston 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