Compression spring VD-389F Stainless steel Ø 7 x 68 x 102 mm

Name: VD-389F - Compression springs
SKU: VD-389F
Availability: InStock

Scaled prices - Compression spring VD-389F

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Formula symbols	Value	Unit	Description
Material	1.4310	-	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	7	mm	Wire diameter
Di		mm	Inner coil diameter
D	68	mm	Mean coil diameter
De	75	mm	Outer coil diameter
Dd	59	mm	maximum diameter of mandrel
Dh	77.5	mm	minimum diameter of bush
L0	102	mm	unstressed spring length
Lk		mm	buckling length
Fn	1099.239	N	maximum force in static use
Ln	44.42	mm	Minimum length in static use
sn	57.58	mm	Maximum spring deflection in static use
Fndyn	1042.695	N	maximum force in dynamic use
Lndyn	47.38	mm	Minimum length in dynamic use
shdyn	16.01	mm	Maximum stroke in dynamic use
S	27.143	mm	pitch of spring
n	3.5	pc.	number of active coils
nt		pc.	total number of coils
R	19.09	N/mm	Spring rate
Weight	357.4274	g	weight of one spring
Fntol	74.6	N	(+/-) tolerance of maximum force in static use
Fndtol	73.6	N	(+/-) tolerance of maximum dynamic force
Detol	1.2	mm	(+/-) tolerances of outer coil diameter
L0tol	2.5	mm	(+/-) tolerance of unstressed spring length
Price group	#AO	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force