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  According to standard, use the following methods to select CIW-X, CIW-Y and CIW-Z series Cardan Shaft. Please consult use for selecting other product series.
  1. Universal Joint Shaft are selected according to the load features, calculated torques, bearing life and operating speed.
  2. Tha calculated torque is acquired from Formulas (1), (2) or (1), (3).

Table 10 : Service Factors K

Service Factor Type Driven Equipment K
Light Shock Load Generators
Centrifugal Purpose
Wood Handling Machines
Belt Conveyors
Paper Machines
1.1 to 1.3
Medium Shock Load Compressor (Multi-Cyl.)
Pumps (Multi- Cyl.)
Small Section Mills
Continuous Wire Mills
Conveyor Primary Drives
1.3 to 1.8
Heavy Shock Load Marine Transmission
Transport Roller Tables
Continuous Tube Mills
Continuous Working Roller Tables
Medium Section Mills
Compressors (Single-Cyl.)
Pumps (Single-Cyl.)
Straightening Machines
Crane Drives
Ball Mills
2 to 3
Extra Heavy Shock Load Crane Accessory Drives
Reversing Working Roller Tables
Reeling Drives
Scale Breakers
Blooming Stands
3 to 5
Extreme Shock Load Feed Roller Drives
Plate Shears
6 to 15
  1. Generally, universal joint shafts are selected according to the torque to be transmitted an required bearing life. They can also be selected checking their torque strengths or bearing life relation to the requirements of the applied equipment.
  2. Checking the torsional strength using Formula
    Tc < Tn or Tc < Tf or Tc < Tp ...................... (4)
    TC=Calculate torque, Nm
    Tn=Nominal torque, NM (i.e. a theoretic calculated value under these pre-determined conditions;
    speed of shaft n=30 rpm, deflected angle B = 3o , and a bearing life.
    Ln=5000 hours under even load,
    Tf=Permissible torque according to the fat strength under alternating loads, Nm
    Tp=Permissible torque according to the fat strength under pulsating loads, Nm
    Tp=1.45 Tt




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