|
Tiespring |
Material thickness t or t (mm) |
allowable tolerance in material thickness t (mm) |
allowable tolerance in free height I (mm) |
allowable tolerance in spring force F at 6-3 during loading with $=0,75ho (%) |
hardness (HRC) |
|
Group1 Spring without contact surfaces |
0,2 to0,6 |
+ 0,02 - 0,06 |
+ 0,10 - 0,05 |
+ 25 - 75 |
42,52 |
|
> 0,6 but < 1.25 |
+ 0,03 - 0,09 |
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|
Group2 springs without contact surfaces |
1,25 to 2,0 |
+ 0,04 - 0,12 |
+ 0,15 - 0,08 |
+ 1,5 - 7,5 |
|
| > 2,0 to 3,0 |
+ 0,20 - 0,10 |
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| > 3,0 to 3,8 |
+ 0,30 - 0,15 |
+ 10 - 5 |
|||
| > 3,8 to 6,0 |
+ 0,05 - 0,15 |
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|
Group3 springs with contact surfaces |
> 6,0 to 15 | ± 0,10 | ± 0,30 | ± 5 | |
| > 15 to 25 | ± 0,12 | ± 0,50 | |||
| > 25 to 40 | ± 0,15 | ± 1,0 | |||
| * applies only to disc springs with a ratio De/ts 20 | |||||