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Textile institute of pakistan

Presentation on Gears

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Textile institute of pakistan

  1. 1. TOPIC: GEAR SUBMITTED BY: MUHAMMAD ASAD SHAHID TS 01-A
  2. 2. An 18th Century Application of Gears for Powering Textile Machinery
  3. 3.  Gear is wheel consist of teeth connected with Motor to transmit rotation.  Gears are used to transmit motion from one shaft to another or between shaft and a slide.
  4. 4. Spur gears Helical gears Bevel gears Worm gears
  5. 5.  Definition of Spur gear: Tooth profile is parallel to the axis of rotation, transmits motion between parallel shafts.
  6. 6.  Definition of Helical gears: Teeth are inclined to the axis of rotation, the angle provides more gradual engagement of the teeth during meshing, transmits motion between parallel shafts.  Work more Smoothly and Quietly.
  7. 7.  Definition of Bevel gears: Teeth are formed on a conical surface, used to transfer motion between non-parallel and intersecting shafts.  Its is useful when changing direction is required.
  8. 8.  Definition of Worm gears: It consists of a helical gear and a power screw (worm), used to transfer motion between non-parallel and non- intersecting shafts.
  9. 9. A gear train is a combination of gears used to transmit motion from one shaft to another. There are different types of gear train: 1. Simple gear train 2. Compound gear train
  10. 10. In this gear train there is only one gear on each shaft is known as simple gear train. When 1st gear rotates then the follower i.e. 2nd gear rotates in opposite direction simultaneously.
  11. 11. A series of gears are connected in such a way that two or more gears rotate about an axis with same angular velocity. It is known as compound gear train.

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Presentation on Gears

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