GB /T 2088 (LI) - 2009 Cylindrical Coiled Tension Spring - Type LI - 易紧通

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Unit: 毫米(mm)

Nominal Diameter
d

0.5

0.5

0.5

D		mean diameter of coil
F₀		initial tension load /N
F₁		test load /N
H		length at active coils	n=8.25
			n=10.5
			n=12.25
			n=15.5
			n=18.25
			n=20.5
			n=25.5
			n=30.25
			n=40.5
f₁		deflection at test load	n=8.25
			n=10.5
			n=10.5
			n=15.5
			n=18.25
			n=20.5
			n=25.5
			n=30.25
			n=30.25
Spring rate(N/mm)		n=8.25
		n=10.5
		n=12.25
		n=15.5
		n=18.25
		n=20.5
		n=25.5
		n=30.25
		n=40.5

3	3.5	4
1.6	1.2	0.9
14.4	12.3	10.8
4.6	4.6	4.6
5.8	5.8	5.8
6.6	6.6	6.6
8.3	8.3	8.3
9.6	9.6	9.6
10.7	10.7	10.7
13.2	13.2	13.2
15.6	15.6	15.6
20.8	20.8	20.8
4.6	6.4	8.5
5.9	8.1	10.8
5.3	9.8	15.7
8.7	11.9	15.9
10.2	14.1	18.8
11.4	15.8	21.1
14.3	19.6	26.2
19.8	27.2	36.1
22.7	31.3	41.6
2.77	1.74	1.17
2.18	1.37	0.92
1.87	1.18	0.79
1.47	0.929	0.622
1.25	0.789	0.528
1.12	0.702	0.47
0.896	0.565	0.378
0.648	0.408	0.274
0.564	0.355	0.238

①,length at active coils ≈ （n+1）d
②,h = 0.2D

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