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Design formula
 
 
 

Compression spring design

Formulae for Compression Spring Calculations

Ordered to load requirements when the following detail is requested:
Free Length (F/L)
Load in lbf, N or Kgf at loaded length (L/L)
Rate lbf load per inc (kgf) load per mm.
Maximum compression
Maximum solid length
Diameter, maximum outside (O/D), minimum inside (I/D) or mean diameter (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

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

Wire Diameter Range : 0.03mm - 8.00mm

Spring we make the best

Sincerity,lnnovation,Honesty-we make the precise products

Huayi Spring factory---satisfy all your demands

 
Machine loop
Extension Spring - Machine Loop
 
D loop
Extension Spring - Angled Loop
 
Cross over loop
Extension Spring - Extended Round Loop
 
 
 
 
 

Tension spring design

Formulae for Tension Spring Calculations

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
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

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

Wire Diameter Range : 0.03mm - 8.00mm

Spring we make the best

Sincerity,lnnovation,Honesty-we make the precise products

Huayi Spring factory---satisfy all your demands

 
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
 
 
 
   
 
 
 

Torsion spring design

Formulae for Torsion Spring Calculations

Drawings,sketches or samples of torsion spring are essential for order

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

Wire Diameter Range : 0.03mm - 8.00mm

Spring we make the best

Sincerity,lnnovation,Honesty-we make the precise products

Huayi Spring factory---satisfy all your demands

 
Axial legs
Extension Spring - Machine Loop
 
Tangential legs
Extension Spring - D Loop
 
Radial external legs
Extension Spring - Cross Over Loop
 
Radial over-centre legs
Extension Spring - Double Machine Loop
 
 
 
 
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Huayi International Industry Group Limited