Compression spring D-447 Spring steel Ø 10 x 40 x 239 mm

Name: D-447 - Compression springs
SKU: D-447
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	40	mm	Mean coil diameter
De	50	mm	Outer coil diameter
Dd	28.3	mm	maximum diameter of mandrel
Dh	51.9	mm	minimum diameter of bush
L0	239	mm	unstressed spring length
Lk	141.2	mm	buckling length
Fn	4598.753	N	maximum force in static use
Ln	194.22	mm	Minimum length in static use
sn	44.78	mm	Maximum spring deflection in static use
Fndyn	3611.838	N	maximum force in dynamic use
Lndyn	203.83	mm	Minimum length in dynamic use
shdyn	24.24	mm	Maximum stroke in dynamic use
S	14.774	mm	pitch of spring
n	15.5	pc.	number of active coils
nt		pc.	total number of coils
R	102.697	N/mm	Spring rate
Weight	1365.269	g	weight of one spring
Fntol	435	N	(+/-) tolerance of maximum force in static use
Fndtol	420	N	(+/-) tolerance of maximum dynamic force
Detol	0.6	mm	(+/-) tolerances of outer coil diameter
L0tol	3.57	mm	(+/-) tolerance of unstressed spring length
Price group	AT	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force