Compression spring D-397 Spring steel Ø 8 x 80 x 285 mm

Name: D-397 - Compression springs
SKU: D-397
Availability: InStock

Scaled prices - Compression spring D-397

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Formula symbols	Value	Unit	Description
Material	EN 10270-1	-	Type of material
Spring ends	Closed and ground	-	Spring ends
F1		N	prestressed spring force
L1		mm	Prestressed spring length
s1		mm	Prestressed spring deflection
F2		N	Loaded spring force
L2		mm	Loaded spring length
s2		mm	Loaded spring deflection
d	8	mm	Wire diameter
Di		mm	Inner coil diameter
D	80	mm	Mean coil diameter
De	88	mm	Outer coil diameter
Dd	70	mm	maximum diameter of mandrel
Dh	90.8	mm	minimum diameter of bush
L0	285	mm	unstressed spring length
Lk		mm	buckling length
Fn	1764.235	N	maximum force in static use
Ln	101	mm	Minimum length in static use
sn	184	mm	Maximum spring deflection in static use
Fndyn	1653.971	N	maximum force in dynamic use
Lndyn	112.5	mm	Minimum length in dynamic use
shdyn	66.12	mm	Maximum stroke in dynamic use
S	32.588	mm	pitch of spring
n	8.5	pc.	number of active coils
nt		pc.	total number of coils
R	9.588	N/mm	Spring rate
Weight	1048.5266	g	weight of one spring
Fntol	80.8	N	(+/-) tolerance of maximum force in static use
Fndtol	79.6	N	(+/-) tolerance of maximum dynamic force
Detol	1.2	mm	(+/-) tolerances of outer coil diameter
L0tol	5.67	mm	(+/-) tolerance of unstressed spring length
Price group	AS	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force