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Thanks again everyone. My application requires me to turn the shaft at one end (very low, 18 rpm) with a gearbox to turn a sprocket at the other end to lift 6500 in/lbs. The shaft is anchored along its length with 5 pillow block bearings to support it. Two of the pillow blocks will be mounted...

Thanks for your help everyone. Here is some more information. The shaft is supported as varoius points along its length with bearings. One end of the shaft is fixed/mounted to a gearbox. The other end has a sprocket welded on it with a load hanging on the chain of 6500in/lbs. My goal is to...

I am looking for a formula to calculate shaft diameter needed. The shaft is 20 feet long with one end stationary with no load and the other end has a 6500 in/lb load @90deg. I am looking for the angular deflection at the loaded end to determine the proper shaft diameter needed. Thanks for...

israelkk, The current setup was is place before I started working on the project. There is alot of wear showing on the worm and gear. The block holding the worm has loosened before as well. ChuckOU812

Hello, I am a novice at worm gear design and need a bit of help. I am attempting to select a worm gear combination that has the following parameters. I am rotating a drum that has a 40" moment arm with 800 pounds of force from the center. The diameter of the drum is 96". I need to spin the...