Compression spring D-145DK Spring steel Ø 1 x 20 x 105 mm

Name: D-145DK - Compression springs
SKU: D-145DK
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	1	mm	Wire diameter
Di	-	mm	Inner coil diameter
D	20	mm	Mean coil diameter
De	21	mm	Outer coil diameter
Dd	18.2	mm	maximum diameter of mandrel
Dh	22	mm	minimum diameter of bush
L0	105	mm	unstressed spring length
Lk	34.02	mm	buckling length
Fn	4.925	N	maximum force in static use
Ln	33.45	mm	Minimum length in static use
sn	71.55	mm	Maximum spring deflection in static use
Fndyn	4.479	N	maximum force in dynamic use
Lndyn	39.93	mm	Minimum length in dynamic use
shdyn	65.07	mm	Maximum stroke in dynamic use
S	5.622	mm	pitch of spring
n	18.5	pc.	number of active coils
nt	-	pc.	total number of coils
R	0.069	N/mm	Spring rate
Weight	7.9966	g	weight of one spring
Fntol	1.14	N	(+/-) tolerance of maximum force in static use
Fndtol	1.13	N	(+/-) tolerance of maximum dynamic force
Detol	0.5	mm	(+/-) tolerances of outer coil diameter
L0tol	14.44	mm	(+/-) tolerance of unstressed spring length
Price group	F	-	price group
F1tol	-	N	(+/-) tolerance of prestressed spring force
F2tol	-	N	(+/-) tolerance of loaded spring force