Well done! You successfully create your spur gear! Data Input. If there is no undercut, the software calculates the tooth root bending stress using the Lewis method, provides the geometric parameters of the gear and generates the DXF profile of the gear where the tooth profile is the true involute curve and the base radius is the true trochoid curve.įor the meaning of the terms used in the software and for additional information regarding spur gears, click on the "Spur Gears Help" button. This web application creates an external spur gear by the simulation of the movement of the rack cutter and provides the following main tasks: calculate the geometric parameters of the gear, draw an accurate image of the gear with a detail of the teeth, adjust the tooth thickness by use of correction optimization of toothingcalculate the tooth root bending stress with the Lewis method, return a DXF file containing the 2D profile of the gear to be used with 2D and 3D CAD software. Description Spur gears are the most common type of gears used in industry and they have straight, flat-topped teeth set parallel to the shaft. Example 2 - Spur gear corrected tooth Consider to create the same gear of the Example 1 but with the number of teeth equal to Here below are the input data and the corresponding gear created with a 3D cad software using the downloaded DXF profile. Here below are the input data and the corresponding image of the gear created clicking the "Run" button. Check it.The gear has a face-width of 10 mm and a 50 Nm static torque is applied.
Units Gear Generator is unitless: if you wish it's inches, cm or millimeters. Tingling and goosebumps on left leg - GG 1. Check out other tools I made: Print ChartsFlip. The winners are: Opera for the best performance shame on me, I never use it and Firefox for the best looking SVG render. Notes about browser compatibility: all new major browsers are supported i didn't tested IEbut unfortunately Chrome can't render SVG circle correctly.
It was a pleasure to code the whole thing, I'm a bit sad it is already done. As it was done, I couldn't stop, and I added more and more features, and finally I got this tool. I'm working on a hobby project, a scale construction machinewhich needed some spur gears, and I quickly made a simple spur gear creator script in Javascript with SVG output. Gears can be animated with various speed to demonstrate working mechanism.
Gears in SVG are measured in pixels, which is the value multiplied with the scale Pixel per Unit as it is displayed on the right side. Gear Generator is unitless: if you wish it's inches, cm or millimeters.
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