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Language: English
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Training Time: 16 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English
A chain drive is a system that includes two or more sprockets and a chain. One sprocket is driven, and its teeth mesh with the gaps in the links of the chain. When the sprocket is turned, it catches the chain, and transfers the force of the input to the rest of the system. The purpose of a chain drive is to transmit power from one place to another. This course covers the common components of chain drives as well as several procedures that can be performed to optimize chain drive performance.
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The following key questions are answered in this module:
What are the advantages of chain drives?The advantages of chain drives compared to other drive systems include very little friction loss and slipping which leads to high efficiency as well as easy installation and reconfiguration to larger or smaller sprockets to vary sprocket ratios
What is the pitch of a chain?The distance between the centers of the pins is called the pitch of a chain. All chains are manufactured to standardized two-digit chain pitch sizes
What is the sprocket ratio?The sprocket ratio is the number of teeth on the driven sprocket divided by the number of teeth on the drive sprocket.
How is chain elongation measured?Chain elongation can be measured by stretching the chain, and then measuring the distance of the inside and outside of rollers at both ends. With this measurement, chain elongation can be calculated by taking the difference of the measured length and the original length of the chain then dividing the difference by the original length.
Below is a transcript of the video sample provided for this module:
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