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3D Printed High Strength Pulley System (Block and Tackle)

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retsetman

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 3D Printed High Strength Pulley System (Block and Tackle) by retsetman full viewable 3d model
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6 Likes19 DownloadsAugust 29, 2021


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6 Likes19 DownloadsAugust 29, 2021

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This is a 3d printing modular pulley system. Video link: https://youtu.be/47gAqTKkcIY With this 3d printing pulley system, a total of 8:1 power gain can be achieved. So, for example, we can lift a mass of 80 kg with a pulling force of only 10 kg. Since the design is modular, you can obtain mechanical advantage at different rates by using any number of rollers and blocks. I used 8 pulleys and 10 blocks in the design. The pulleys were printed with a 90% infill and the blocks with a 50% infill. It looks pretty solid, but for high strength, I recommend printing with high filling ratios (90%-100%). I used M8 half thread bolts to attach the blocks together. The lengths of the half thread bolts are M8x50, M8x70, M8x90 and M8x110 mm. Meanwhile, the thread length of the M8 half thread bolt is 22 mm. At the same time, the rollers roll over these half-tooth bolts. First I tested the efficiency of these 3d printing reels with a mini dc motor. Then I lifted a few items. I reached the triple tackle result of the most efficient system. (In other words, the pulley system providing a mechanical advantage at the ratio of 6:1) (I made 2 different eye designs, you can print whatever you want.)
CategoryBusiness & Industrial




6 Likes19 DownloadsAugust 29, 2021


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No photos added yet, be the first to upload a photo!


6 Likes19 DownloadsAugust 29, 2021

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