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A belt is on the outisde and keeps everything together, where as a gear is on the inside and keeps moving.

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11y ago

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How do you transmit power 90 degree without gears?

It is possible using flat belts as they can be wide to provide torque and have great bending characteristics to accommodate the twist.


What is the difference between a spur gear and an involute gear?

A spur gear is a type of gear characterized by its straight teeth that are parallel to the gear axis, designed primarily for transmitting power between parallel shafts. In contrast, an involute gear refers to the specific tooth profile used in many gears, including spur gears, where the tooth shape is derived from an involute curve. This profile allows for smooth engagement and efficient power transmission, minimizing wear and noise. Essentially, while all involute gears can be spur gears, not all spur gears use the involute tooth profile.


What are the methods of connecting to mechanical power transmission devices?

Mechanical power transmission devices can be connected using various methods, including belts, chains, gears, and couplings. Belt drives use flexible belts to transmit power between pulleys, while chain drives employ chains and sprockets for robust power transfer. Gears provide precise speed and torque adjustments, and couplings connect shafts to allow for misalignment while transmitting torque. The choice of method depends on factors like application requirements, distance, speed, and load conditions.


What is different between spur gear and worm gear?

Spur gears give 180 degree drive, and worm gears give 90 degree drive.


What is the difference between helical gear and screw?

Spur gears have straight teeth while helical gears have curved teeth. Generally, helical gears are usually quieter and smoother in operation, while spur gears are easier to make and much less expensive.Helical gears are stronger than spur gears.