Compression spring D-445 Spring steel Ø 10 x 45 x 140 mm

Name: D-445 - Compression springs
SKU: D-445
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	10	mm	Wire diameter
Di		mm	Inner coil diameter
D	45	mm	Mean coil diameter
De	55	mm	Outer coil diameter
Dd	33.5	mm	maximum diameter of mandrel
Dh	57.6	mm	minimum diameter of bush
L0	140	mm	unstressed spring length
Lk		mm	buckling length
Fn	4132.296	N	maximum force in static use
Ln	110.43	mm	Minimum length in static use
sn	29.57	mm	Maximum spring deflection in static use
Fndyn	3402.821	N	maximum force in dynamic use
Lndyn	115.65	mm	Minimum length in dynamic use
shdyn	16.16	mm	Maximum stroke in dynamic use
S	16.25	mm	pitch of spring
n	8	pc.	number of active coils
nt		pc.	total number of coils
R	139.746	N/mm	Spring rate
Weight	877.6729	g	weight of one spring
Fntol	385	N	(+/-) tolerance of maximum force in static use
Fndtol	374	N	(+/-) tolerance of maximum dynamic force
Detol	0.6	mm	(+/-) tolerances of outer coil diameter
L0tol	2.24	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