'Recognizing the need is the primary condition for design.'

Charles Eames

'To design is to communicate clearly by whatever means you can control or master.'
Milton Glaser

Belt Drive

A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently, or to track relative movement

Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel. In a two pulley system, the belt can either drive the pulleys normally in one direction, or the belt may be crossed, so that the direction of the driven shaft is reversed.

As a source of motion, a conveyor belt is one application where the belt is adapted to carry a load continuously between two points. See the diagram below to find out how altering the sizes of the pullys effects the speed of power transmission.

Types of belt drive

There are three main types of belt drive in use Straight witch simply drives the attached pully, reverse wich drives the attached pully but reversing the direction of the driven pully, and angled wich translates the drive power to another angle by aligning the driven pully differently from the input pully.

Chain drives and types of chain drive

Watch the video below and then use both buttons below the video to find out about different types of chain drive.

Link to chain drive additional information

Chain drive further reading

Gear Trains

Review the video below to find out about gear trains (sets)

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