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It is used to change the direction of rotation. For instance on a rear wheel drive car the engine drive train is rotating in an axis running the length of the vehicle so all that spinning would be wasted if it the direction wasn't changed to cause the rear axle to turn in an axis running from side to side. The worm gear in this application is called the "pinion" and the wheel is called the "ring". so pinion is rotating clockwise and as it engages the ring gear it changes the lateral direction to cause the axle to turn.
What else can I help you with?
What type of gear is a combination of a gear combined with threads of a screw?
A worm drive.
If you have a worm gear and a sprocket gear and the worm gear rotates slowly on its shaft how will the sprocket gear turn?
Even slower
Why worm is geared with worm gear Give reasons?
A worm or machine can be geared with worm gear to give it higher torque or to reduce rotational speed in the machine.
What is lead in gear?
linear distance moved by the gear(worm,screw jack) for one rotation of the gear(worm,screw jack)
Is worm and wheel reversible?
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.
Which gear is used for perpendicular shaft?
Worm gear
What is the function of the worm?
function , purpose , advantage and disadvantage of worm gear
What is the function of a worm gear?
In worm gears, an axle or shafts has a screw that connects with another gear. This system is used when you need to change the direction of motion and reduce speed
What is the working principle of worm gears in sand mullers?
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.
What is difference between bevel gear and worm wheel?
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.
What is different between spur gear and worm gear?
Spur gears give 180 degree drive, and worm gears give 90 degree drive.
What Are the Basics of Worm-Gear Design?
The worm-gear design involves one helical gear, the teeth of which form segments of a helix, and another component that resembles a screw. The screw-like component is known as a worm, and its threads typically form a complete helix. This worm is typically used to drive the gear, which can provide a great deal of torque. In most cases, attempting to use the gear to turn the worm will result in the teeth locking. Both of these basics of worm gear-design can be exploited in the tuning knobs of stringed instruments, which provide the torque necessary to pull the strings taught and then automatically lock in place to keep them that way
