Extension Springs from UK Spring Manufacturer - Harris Springs

Harris Springs

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Formulae for Extension Spring Calculations

Extension Springs from UK Spring Manufacturer
Machine loop
Extension Spring - Machine Loop

D loop
Extension Spring - D Loop

Cross over loop
Extension Spring - Cross Over Loop

Double machine loop
Extension Spring - Double Machine Loop

Angled loop
Extension Spring - Angled Loop
NOTE: The loading is axial

Extended round loop
Extension Spring - Extended Round Loop

Full loop at side
Extension Spring - Full Loop At Side

Reduced loop at side
Extension Spring - Extended Round Loop


You only have to ask for more information about extension springs!

Extension Springs ordered to load requirements when the following detail is requested:

  • Length, overall (O/A), pull to pull (P/P) or body length (B/L), if essential
  • Load in lbf, N or Kgf at loaded length
  • Diameter, maximum outside (O/D), minimum inside (I/D), mean dia. (M/D)
  • Right hand or left hand wound, if essential
  • Type of ends (see right hand column)
  • Material and finish
  • Tolerances and special working conditions

Extension Springs ordered to dimensional requirements when the following detail is requested:

  • Length, overall (O/A), pull to pull (P/P) or body length (B/L), if essential.
  • Diameter, maximum outside (O/D), minimum inside (I/D), mean dia. (M/D).
  • Wire size (d) and section.
  • Right hand or left hand wound, if essential
  • Type of end and relative position
  • Material and finish
  • Tolerances and special working conditions

Extension Springs Materials

  • Carbon Steel
  • Stainless Steel
  • Phosphor Bronze
  • Brass
  • Beryllium Copper
  • Oil Tempered Steel
  • Other materials to special order

Extension Springs Wire Diameter Range

Automatic Coiling: 0.25mm - 3.00mm

Hand Coiling: 3.00mm - 5.00mm

Formulae for Extension Spring Calculations


Calculation for Extension Spring Calculations
Design an Extension Spring

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Harris Springs Limited
Clifford House
Ruscombe Business Park
Ruscombe, READING
Berkshire RG10 9LR United Kingdom
Tel: +44 (0)118 934 0024 - Fax: +44 (0)118 934 1365
Email:info@harris-springs.com
http://www.harris-springs.com/tension-springs.html

Harris Springs Factory and Offices

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