Specifications & Tolerances
| Tooth type | Pressure angle α=20°, ground, soft or hardened |
|---|---|
| Gear quality grade | Q7 (in accordance with DIN 3962, 3963, 3967) |
| Outer surfaces | Ground on all sides |
| Single pitch deviation fp (module ≤ 3) | 0.007 mm |
| Single pitch deviation fp (module > 3) | 0.009 mm |
| Cumulative pitch deviation Fp (over 1000 mm) | 0.060 mm |
| Cumulative pitch deviation Fp (over 2000 mm) | 0.075 mm |
Diagram
Standard Dimensions
| Model | m | ps (mm) | L1 (mm) | b (mm) | hk (mm) | ho (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| ZST M2 - 24x24x1000 -S | 2 | 6.67 | 1000.0 | 24 | 24 | 22 | 4.1 |
| ZST M2 - 24x24x2000 -S | 2 | 6.67 | 2000.0 | 24 | 24 | 22 | 8.2 |
| ZST M3 - 29x29x1000 -S | 3 | 10.00 | 1000.0 | 29 | 29 | 26 | 5.9 |
| ZST M3 - 29x29x2000 -S | 3 | 10.00 | 2000.0 | 29 | 29 | 26 | 11.8 |
| ZST M4 - 39x39x1000 -S | 4 | 13.33 | 1000.0 | 39 | 39 | 35 | 10.7 |
| ZST M4 - 39x39x2000 -S | 4 | 13.33 | 2000.0 | 39 | 39 | 35 | 21.4 |
| ZST M5 - 49x39x1000 -S | 5 | 16.67 | 1000.0 | 49 | 39 | 34 | 13.0 |
| ZST M5 - 49x39x2000 -S | 5 | 16.67 | 2000.0 | 49 | 39 | 34 | 26.0 |
| ZST M6 - 59x49x1000 -S | 6 | 20.00 | 1000.0 | 59 | 49 | 43 | 18.1 |
| ZST M6 - 59x49x2000 -S | 6 | 20.00 | 2000.0 | 59 | 49 | 43 | 36.2 |
| ZST M8 - 79x79x960 -S | 8 | 26.67 | 960.0 | 79 | 79 | 71 | 42.5 |
| ZST M8 - 79x79x1920 -S | 8 | 26.67 | 1920.0 | 79 | 79 | 71 | 85.0 |
| ZST M10 - 99x99x1000 -S | 10 | 33.33 | 1000.0 | 99 | 99 | 89 | 68.7 |
| ZST M10 - 99x99x2000 -S | 10 | 33.33 | 2000.0 | 99 | 99 | 89 | 137.4 |
| ZST M12 - 120x120x1000 -S | 12 | 40.00 | 1000.0 | 120 | 120 | 108 | 111.0 |