Sand mullers break up sand after it has been used in molds to facilitate sandcasting. By effectively breaking up the sand, it can be reused. The worm on a motor or on the "driven" side of the device will engage with a worm gear. The worm rotates continuously, and the spiral cut gears "worm" their way "along" the axis of the gear. The worm gear (or spur gear) engages with the worm and rotates continuously as well. Also, the worm gear will translate the rotary motion of the worm by 90 degrees. It is fairly easy to see how the unit works if you look at some pictures or drawings. Hey, how about some animation or video? Got a couple of links.
A worm drive.
Worm gear
Depends. Bicycles with external gears have chain-and-sprocket gears. Bicycles with internally geared hubs have both a chain-and-sprocket gear and spur gears (usually in a planetary configuration) inside the rear hub. Then there are the rather rare shaft-drive bicycles, which use bevel gears. And maybe an internally geared hub as well. Then there's the occasional belt drive bike of course. And one or two CVT designs.
For speed reducer gearbox just want to clarify if i can use the worm gear side of the gearbox for the installation of drive motor instead of mounting it on the enveloping worm? what is the advantage and disadvantage
A hobbing machine is used for cutting gear teeth in gear blanks and for cutting worm, spur, or helical gears.
yes you can reverse worm and gear. A worm gear can rotate the worm, its based on the lead angle, pressure angle and co.efficient of friction between the pairs.
Sand mullers break up sand after it has been used in molds to facilitate sandcasting. By effectively breaking up the sand, it can be reused. The worm on a motor or on the "driven" side of the device will engage with a worm gear. The worm rotates continuously, and the spiral cut gears "worm" their way "along" the axis of the gear. The worm gear (or spur gear) engages with the worm and rotates continuously as well. Also, the worm gear will translate the rotary motion of the worm by 90 degrees. It is fairly easy to see how the unit works if you look at some pictures or drawings. Hey, how about some animation or video? Got a couple of links.
well this is not impossible, it is generally calculated by manufacturere so it is also called machine constant,it cant be calculated just by looking at machine, u have to know number of teeth/ starts of worm/ of every gear, beveal, worm etc in machine to calculate exact ratio, other method is hit n trial method , u cut spur gear, then cut different gear of different helix angle and of different modules/dp, may be can get close to machine constant
A bevel gear is cone shaped with the gear teeth placed vertically along the periphery. A worm gear is barrel shaped with the teeth spiraling along the length like a screw.
A worm drive.
This can be numerous gears, but a worm gear is extreme between the two sizes of gears.
Even slower
A worm or machine can be geared with worm gear to give it higher torque or to reduce rotational speed in the machine.
One is able to purchase a worm gear from many different online stores. The list of these stores includes A Main Hobbies, Robot Shop, and Hitch Anything.
linear distance moved by the gear(worm,screw jack) for one rotation of the gear(worm,screw jack)
Worm gear