DIAMETER TOLERANCE
Outside Diameter: De
Inside Diameter: Di
| De or Di |
Permissible deviation
De Di Concentricity
|
MM |
MM |
MM |
MM |
1 |
Over 3 to 6 |
0/-0.12 |
+0.12/0 |
0.15 |
2 |
Over 6 to 10 |
0/-0.15 |
+0.15/0 |
0.18 |
3 |
Over 10 to 18 |
0/-0.18 |
+0.18/0 |
0.22 |
4 |
Over 18 to 30 |
0/-0.21 |
+0.21/0 |
0.26 |
5 |
Over 30 to 50 |
0/-0.25 |
+0.25 |
0.32 |
6 |
Over 50 to 80 |
0/-0.30 |
+0.30/0 |
0.60 |
7 |
Over 80 to 120 |
0/-0.35 |
+0.35/0 |
0.70 |
8 |
Over 120 to 180 |
0/-0.40 |
+0.40/0 |
0.80 |
9 |
Over 180 to 250 |
0/-0.46 |
+0.46/0 |
0.92 |
10 |
Over 250 to 315 |
0/-0.52 |
+0.52/0 |
1.04 |
11 |
Over 315 to 400 |
0/-0.57 |
+0.57/0 |
1.14 |
12 |
Over 400 to 500 |
0/-0.63 |
+0.63/0 |
1.26 |
1) In reference to Outside Diameter De
THICKNESS TOLERANCE (t)
|
t or t’
MM |
Tolerance for t
MM |
Group 1 |
0.2 to 0.6
>0.6 to <1.25 |
+0.02 / -0.06
+0.03 / -0.09 |
Group 2 |
1.25 to 3.8
>3.8 to 6.0 |
+0.04 / -0.12
+0.05 / -0.15 |
Group 3 |
>6.0 to 14.0 |
+0.10 / -0.10 |
FREE OVER-ALL HEIGHT (lo) TOLERANCE
|
t [MM] |
Tolerance for L0 |
Group 1 |
<1.25 |
+0.10 / -0.05 |
Group 2 |
1.25 to 2.0
>2.0 to 3.0
>3.0 to 6.0 |
+0.15 / -0.08
+0.20 / -0.10
+0.30 / -0.15 |
Group 3 |
>6.0 to 14.0 |
+0.30 / -0.30 |
SPRING FORCE TOLERANCE
The static load (F) of a single
disc shall be determined for
a disc in the loaded state
using a suitable lubricant. The
pressure plates between which
the disc is compressed must be
hardened ground and polished.
The following deviations apply for normal applications:
|
t[MM] |
Tolerances for F at the test length
lp=lo -0.75 h o |
Group 1 |
<1.25 |
+25% / -7.5% |
Group 2 |
1.25 to 3.0
>3.0 to 6.0 |
+15% / -7.5%
+10% / -5% |
Group 3 |
>6.0 to 14.0 |
+5% / -5% |
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