Compression spring VD-389E-20 Stainless steel Ø 7 x 82 x 115 mm

Name: VD-389E-20 - Compression springs
SKU: VD-389E-20
Availability: InStock

Scaled prices - Compression spring VD-389E-20

Product image Compression spring VD-389E-20

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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	82	mm	Mean coil diameter
De	89	mm	Outer coil diameter
Dd	73.3	mm	maximum diameter of mandrel
Dh	92.6	mm	minimum diameter of bush
L0	115	mm	unstressed spring length
Lk		mm	buckling length
Fn	750.628	N	maximum force in static use
Ln	46.05	mm	Minimum length in static use
sn	68.95	mm	Maximum spring deflection in static use
Fndyn	706.538	N	maximum force in dynamic use
Lndyn	50.1	mm	Minimum length in dynamic use
shdyn	30.3	mm	Maximum stroke in dynamic use
S	30.857	mm	pitch of spring
n	3.5	pc.	number of active coils
nt		pc.	total number of coils
R	10.887	N/mm	Spring rate
Weight	431.0154	g	weight of one spring
Fntol	60.67	N	(+/-) tolerance of maximum force in static use
Fndtol	68.2	N	(+/-) tolerance of maximum dynamic force
Detol	1.5	mm	(+/-) tolerances of outer coil diameter
L0tol	4.5	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

Technical drawing Compression spring

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