• Force: F=  N
  
  
• Arms: R1= mm
  
  
• Angular of displacement:  fi=  (fi<=120)
  
  
• Initial middle diameter:  Di= mm (Di<=340 mm)
  
  

2.Calculation of geometrical description of character:

Instruction and description for calculation of geometrical description of character (In Slovene)!

• Calculation of torque:  M=  Nmm
  
  
• Calculation of initial thickness wire:  dx=  Nmm
  
  
• Calculation of axial selection modulus:  W=  mm3
  
  
• Calculation of bending stress:  Sig=  N/mm2
  
  
• Calculation of the middle diameter spring:  Dm=  mm
  
  
• Spring index:  w=  
  
  
• Calculation of distance between coils:  a=  mm

3.Material:

Instruction for selection of suitable material (In Slovene)!

• Choose the suitable material with desirable modul of elasticiy:

• Calculation of the necessary number of coils:  n=  ovojev
  
  
• Calculation of the length body:  Lk=  mm
  
  
• Calculation of actual inside coil diameter spring:  Difi=  mm
  
  
• Calculation of actual outside coil diameter spring:  Defi=  mm
  
  
• Calculation of correction factor stress:  q=  
  
  
• Calculation of correction bending stress:  Sigq=  N/mm2
  
  
• Calculation of actual thickness of the wire:  d=  mm
  
  
• Calculation of the length of wire:  l=  mm
  
  
• Calculation torsional rate:  Rfi=  Nmm/stopinjo