Compression Springs

Technical Data Mat EN 10270-1 - type of material d 0.2 mm Wire diameter D 2.9 mm Mean coil diameter Dd 2.3 mm maximum diameter of mandrel De 3.1 mm Outer coil diameter Detol 0.25 mm (+/-) tolerances of outer coil diameter Dh 3.4 mm minimum diameter of bush F1tol N (+/-) tolerance of prestressed spring force F2tol N (+/-) tolerance of loaded spring force Fn 0.46 N maximum force in static use Fntol 0.1 N (+/-) tolerance of maximum force in static use Lk mm buckling length L0 7.5 mm unstressed spring length L0tol 0.96 mm (+/-) tolerance of unstressed spring length

Extension springs in 4280 spring sizes for fast delivery from stock made of normal steel EN 10270-1 and stainless steel EN 10270-3-1.4310 from Gutekunst. The extension springs are made of round spring steel wire in a cylindrical shape with a 1/1 German eyelet on each side and a linear spring characteristic in quality grade 2 (medium tolerance range) according to DIN EN 15800. Simply select the right tension spring on www.Federnshop.com and order it directly from Gutekunst via the shopping cart. In addition to its catalog program, Gutekunst produces individual extension springs according to customer specifications in any desired size, design and eyelet shape from 0.2 to 12.0 mm wire diameter from all common types of spring steel in small quantities and large series. In addition to the classic cylindrical extension spring designs with a linear spring characteristic, Gutekunst also produces conical or barrel-shaped tension springs individually as required.

Scaled prices Technical Data Download datasheet CAD data Path-force calculation Scaled prices (Price group: A) Quantity Single price [EUR] 1 2.5200 EUR 7 1.5000 EUR 17 0.6200 EUR 37 0.3300 EUR 75 0.1700 EUR 125 0.1330 EUR 175 0.1052 EUR 250 0.0831 EUR 350 0.0609 EUR 450 0.0553 EUR Technical Data Formula symbols Value Unit Description Mat EN 10270-1 - type of material s2 mm Loaded spring deflection L2 mm Loaded spring length F2 N Loaded spring force Fdn Closed - spring ends d 0.2 mm Wire diameter D 2.5 mm Mean coil diameter Dd 2 mm maximum diameter of mandrel De 2.7 mm Outer coil diameter Detol 0.15 mm (+/-) tolerances of outer coil diameter Dh 3.1 mm minimum diameter of bush F1tol N (+/-) tolerance of prestressed spring force F2tol N (+/-) tolerance of loaded spring force Fn 1.144 N maximum force in static use Fntol 0.12 N (+/-) tolerance of maximum force in static use Lk mm buckling length L0 8.2 mm unstressed spring length L0tol 0.53 mm (+/-) tolerance of unstressed spring length L1 mm Prestressed spring length Ln 2.17 mm Minimum length in static use s1 mm Prestressed spring deflection sn 6.03 mm Maximum spring deflection in static use S 1.4 mm pitch of spring n 5.5 pc. number of active coils nt pc. total number of coils R 0.19 N/mm Spring rate Fndyn 1.11 N maximum force in dynamic use Fndtol 0.12 N (+/-) tolerance of maximum dynamic force Lndyn 2.35 mm Minimum length in dynamic use shdyn 1.92 mm Maximum stroke in dynamic use Gew 0.0146 g weight of one spring PG A - price group

Scaled prices Technical Data Download datasheet CAD data Path-force calculation Scaled prices (Price group: A) Quantity Single price [EUR] 1 2.5200 EUR 7 1.5000 EUR 17 0.6200 EUR 37 0.3300 EUR 75 0.1700 EUR 125 0.1330 EUR 175 0.1052 EUR 250 0.0831 EUR 350 0.0609 EUR 450 0.0553 EUR Technical Data Formula symbols Value Unit Description Mat EN 10270-1 - type of material s2 mm Loaded spring deflection L2 mm Loaded spring length F2 N Loaded spring force Fdn Closed - spring ends d 0.2 mm Wire diameter D 2.5 mm Mean coil diameter Dd 2 mm maximum diameter of mandrel De 2.7 mm Outer coil diameter Detol 0.15 mm (+/-) tolerances of outer coil diameter Dh 3.1 mm minimum diameter of bush F1tol N (+/-) tolerance of prestressed spring force F2tol N (+/-) tolerance of loaded spring force Fn 1.122 N maximum force in static use Fntol 0.13 N (+/-) tolerance of maximum force in static use Lk mm buckling length L0 5.4 mm unstressed spring length L0tol 0.38 mm (+/-) tolerance of unstressed spring length L1 mm Prestressed spring length Ln 1.63 mm Minimum length in static use s1 mm Prestressed spring deflection sn 3.77 mm Maximum spring deflection in static use S 1.4 mm pitch of spring n 3.5 pc. number of active coils nt pc. total number of coils R 0.298 N/mm Spring rate Fndyn 1.088 N maximum force in dynamic use Fndtol 0.13 N (+/-) tolerance of maximum dynamic force Lndyn 1.75 mm Minimum length in dynamic use shdyn 1.25 mm Maximum stroke in dynamic use Gew 0.0107 g weight of one spring PG A - price group