Compression spring D-394D Spring steel Ø 8 x 90 x 400 mm

Name: D-394D - Compression springs
SKU: D-394D
Availability: InStock

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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	90	mm	Mean coil diameter
De	98	mm	Outer coil diameter
Dd	80.3	mm	maximum diameter of mandrel
Dh	101.4	mm	minimum diameter of bush
L0	400	mm	unstressed spring length
Lk		mm	buckling length
Fn	1167	N	maximum force in static use
Ln	145	mm	Minimum length in static use
sn	255	mm	Maximum spring deflection in static use
Fndyn	1101	N	maximum force in dynamic use
Lndyn	159.5	mm	Minimum length in dynamic use
shdyn	159.2	mm	Maximum stroke in dynamic use
S	31.36	mm	pitch of spring
n	12.5	pc.	number of active coils
nt		pc.	total number of coils
R	4.579	N/mm	Spring rate
Weight	1628.961	g	weight of one spring
Fntol	66.3	N	(+/-) tolerance of maximum force in static use
Fndtol	64.1	N	(+/-) tolerance of maximum dynamic force
Detol	1.5	mm	(+/-) tolerances of outer coil diameter
L0tol	10.3	mm	(+/-) tolerance of unstressed spring length
Price group	AX	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force