This is an animated 3D file that shows the workings of a worm drive for STEM classes. Important engineering concept. A worm drive is a gear arrangement in which a worm (which is a gear in the form of a screw) meshes with a worm gear (which is similar in appearance to a spur gear). The two elements are also called the worm screw and worm wheel. The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm gear, or the worm drive as a unit.
Like other gear arrangements, a worm drive can reduce rotational speed or transmit higher torque. The image shows a section of a gear box with a worm gear driven by a worm. A worm is an example of a screw, one of the six simple machines.
The preview shows the animation in action. You can pause animation, change colors, zoom in, rotate in 3D, etc. Created with professional 3D rendering software, this high quality simulation can also be used as clipart. You can screen shot it in various positions to make posters for your STEM classroom.
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©3D Interactive Graphics 2016. All of the activities included in this product are the intellectual properties of John Taylor aka 3D Interactive Graphics. This resource is for classroom or homeschool use and is intended for the purchaser. Duplication for other classes, for other teachers or for use in wide distribution is not allowed, but you may purchase extra licenses at a 50% discount! :) This material is protected under the Digital Millennium Copyright Act.