![]() ![]() There are many different methods of attaching gears, sprockets, cams and pulleys to shafts. This makes it perfect for environments where anti-seize may be detrimental. No anti-seize is required! This is the one application where the bushing can be removed without the use of anti-seize.The bushing can be removed by inserting the set screw into the hole on the left and screwing it in.There are three main benefits of this design: As the set screws are tightened, the taper will force the bearing gap (on right) shut and lock on the shaft. Set screws will be inserted at the top and bottom locations. ![]() The sprocket will then be slid over the bushing until snug. In the figure above, the red bushing will slide onto the shaft in the desired position. But they are a different way to mount the sprocket to the shaft. Taper lock bushings aren’t a new method of attaching to a shaft they still use a key. The wheel (inner diameter) will stay roughly the same size because it has a lot more mass and will radiate heat away faster.īest Guide to Understanding SAE Shafts and Mounting Flanges T aper lock bushings The band will expand in diameter as the temperature rises. The following video shows how the tire is removed from the wheel by using heat. This allows the inexpensive band to be replaced from time to time instead of the whole wheel assembly. The band or “tire” is actually smaller than the machined surface. The main wheel weldment has a precisely machined diameter and then a thin band of hardened steel is applied around it. It has been in use in the railroad industry as a method to save money when wheel assemblies wear out or become out of round. Press-fitting is a tried and true method of attaching gears to shafts. ![]() Joining Shafts Together? Check out our guide to shaft couplers. Having adjustment is important and this method doesn’t allow for it at all.
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