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10 Μαρ 2021 · Spur Gear Definition: Spur Gear is the most used gears, having Straight teeth and are mounted on two or more parallel shafts. The design of spur gear is simple. The spur gear is also known as slow-speed gears due to noisy operation at high speed.
Gears are classified into 3 categories; parallel axis gears, intersecting axes gears, and nonparallel and nonintersecting axes gears. Spur gears and helical gears are parallel axes gears. Bevel gears are intersecting axes gears.
In the previous pages, we introduced the basics of gears, including 'Module', 'Pressure Angle', 'Number of Teeth' and 'Tooth Depth and Thickness'. In this section we introduce the basic parts of Spur Gears (Cylindrical gears) and dimensional calculations.
Cylindrical shaped gears with an infinite radius are called Racks, generally used in conveyors. Spur Rack. This is a linear shaped gear, which has a straight-line tooth profile and can mesh with a spur gear. The spur rack can be regarded as a portion of a spur gear with an infinite radius, and several racks can combined in a line.
31 Ιουλ 2023 · A spur gear is a cylindrical gear with straight teeth that meshes with another spur gear, while a worm gear consists of a helical gear (worm) that engages with a worm wheel, enabling high gear reduction ratios and a non-reversible motion transfer.
Gears are mechanical devices consisting of toothed wheels that mesh with each other to transmit torque and rotational motion. The fundamental principle behind gears is the conservation of angular momentum, which allows for the transfer of energy between rotating shafts. Key terms associated with gears include:
Spur gears are regularly used for speed reduction or increase, torque multiplication, resolution and accuracy enhancement for positioning systems. The teeth run parallel to the gear axis and can only transfer motion between parallel-axis gear sets.
