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Engineering Components

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R-TEX Couplings

A complete Roplex Coupling Hub consists of 2x Pilot Bored or Taper Bored Hubs and 1x Polyurethane Insert.

R-TEX Coupling Selection

Based on Power and Speed

  • Step 1) Service Factor, from the table below, select the service factor that is appropriate for the application. 
  • Step 2) Design Power, multiply the absorbed power, kW, of the driven machine by the service factor, from step 1) to obtain the design power. 
  • Step 3) R-TEX coupling size selection, refer to table 2 on page 252 and select either the standard 92 shore spider or the higher torque 98 shore spider. Read down the left hand vertical column to the required speed. (Interpolate if the exact speed is not listed). Read horizontally across on the speed line until a power equal to or in excess of the design power, from step 2) is reached. Read vertically to the top of the column to obtain the correct size of R-TEX Coupling.
  • Step 4) Bore Dimensions, check that the selected coupling will fit in the shafts from the Bore dimension tables.

 

Based on IEC Electric Motors - Click here for the IEC Page

  • Step 1) Note the frame size of the motor, power, speed (or number of poles)
  • Step 2) Read across from the column headed by the motor speed (or number of poles)
  • Step 3) The next column to the motor power gives the size of R-TEX coupling required.

 

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