Table 5.
Results of x, y, and z stepper motor tests. Movements of n=10 at 1.00, 5.00, 10.00, and 20.00 mm were selected. All measurements were made using a digital dial indicator probe accurate to 0.001 mm.
| Axis | Test distance (mm) | Accuracy (%) | Precision (%) |
|---|---|---|---|
| X-Axis | 1.00 | 0.39% | 0.20% |
| 5.00 | 0.24% | 0.10% | |
| 10.00 | 0.31% | 0.04% | |
| 20.00 | 0.42% | 0.06% | |
| Y-Axis | 1.00 | 1.50% | 1.40% |
| 5.00 | 0.07% | 0.16% | |
| 10.00 | 0.23% | 0.05% | |
| 20.00 | 0.61% | 0.07% | |
| Z-Axis | 1.00 | 3.98% | 1.40% |
| 5.00 | 0.97% | 0.88% | |
| 10.00 | 0.50% | 0.18% | |
| 20.00 | 0.60% | 0.15% | |