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WORM GEARING MECHANISM FOR MACHINING CYLINDER CAMS

Shaft 22 rotates about fixed axis A and is driven by worm 1 which rotates about fixed axis B and worm wheel 2 which rotates about axis A. Keyed to shaft 22 are disk 4 with guides and bevel gear 3. Slide block 19 can be adjusted along the guides of disk 4 and locked in the required position by screw 20. Slide block 19 carries the bearing of pin 11 whose projecting part is of semicircular shape. Whe…