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Shaft Couplings — Chapter Summary

CBSE · Class 12 · Engineering Graphics

Summary of Shaft Couplings for CBSE Class 12 Engineering Graphics. Part of the CBSE Class 12 Engineering Graphics syllabus.

5 concepts

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An illustration showing two scenarios where shaft couplings are used: (a) connecting shafts of different machines (e.g., motor to pump) and (b) extending a long transmission shaft by joining two short
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Overview

Shaft couplings are essential mechanical devices used to connect two shafts end-to-end for transmitting rotary motion and power. They are crucial when shafts need to be extended beyond their standard lengths or when connecting shafts of different machines such as motors to pumps or generators. This

Key Concepts

Mechanical devices used to join two

Mechanical devices used to join two shafts end-to-end for transmitting rotary motion between shafts of the same unit or different machines. They solve

A standard form of coupling extensively

A standard form of coupling extensively used in large power machines for heavy loads. Consists of two similar cast iron flanges with keyways in their

Type of flange coupling where bolt

Type of flange coupling where bolt heads and nuts are exposed during rotation, creating potential safety hazards for workers. Features two similar fla

Modified flange coupling with a flared

Modified flange coupling with a flared and flattened rim (shroud) that covers the protruding nuts and bolt heads, minimizing accidents and ensuring wo

Alignment system where one flange has

Alignment system where one flange has a projected circular extension and the other has a corresponding recess, ensuring perfect alignment of connected

Learning Objectives

  • Understand the purpose and applications of shaft couplings
  • Learn the construction and features of flange couplings
  • Differentiate between protected and unprotected flange couplings
  • Master the assembly process of flange coupling components
  • Develop skills in drawing orthographic views of assembled couplings

Frequently Asked Questions

What are the important topics in Shaft Couplings for CBSE Class 12 Engineering Graphics?
Key topics in Shaft Couplings include Introduction to Shaft Couplings, Types of Flange Couplings, Unprotected Flange Coupling - Design and Features, Protected Flange Coupling - Design and Features. Study these first, then practise questions on each for the CBSE Class 12 board exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Shaft Couplings

All CBSE Class 12 Engineering Graphics Chapter Summary

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