What is a Coupler? Why do we use couplers?

What is a Coupler?

A coupler is a device used to connect two shafts at their ends to circulate power. The primary purpose of couplers is to join two pieces of rotating equipment. The coupler is a parallel thread mechanical splicing system designed for the connection of concrete reinforcing bars. In this method, two fibres are aligned and held together within a tube and the index matching gel creates the bond. Another mechanical splice method is V-groove.

Coupler

Why do we use Couplers?

  • It reduces the material cost.
  • It saves time for designers.
  • No calculation for lapping reinforcements.
  • It improves structural durability.
  • Reduce the construction time.
  • Reduce the reinforcement choking.
  • No reinforcement cranks.
  • It is technically more advance.
  • Improves the quality of construction work.

   

Disadvantages of Mechanical Couplers →

  • It is unable to absorb shocks or vibrations during power delivery.
  • It cannot tolerate any misalignment in the axis of the shafts.
  • Difficult to assemble as the sleeve has to be shifted over a shaft or shaft ends.
  • Technical knowledge is required on the subject.
  • Poor quality joints may lead to structural failure.
  • High attention is mandatory with proper supervision of the work.

Types of Couplings →

Coupling is mainly divided into two categories:

  1. Material Flexing Couplings
  2. Mechanical Flexing Couplings

Material Flexing Couplings →

Jaw Coupling

Jaw Coupling

Tire Coupling

Tire Coupling

Sleeve Coupling

Tire Coupling

Disc Coupling

Disc Coupling

Diaphragm Coupling

Diaphragm Coupling

Mechanical Flexing Couplings →

Grid Coupling

Grid Coupling

Gear Coupling

Gear Coupling

Roller Chain Coupling

Roller Chain Coupling

 

 

 

Calculation for Brickwork

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