Table 2 Error of elevation axis under different wear time (L = 3450 mm).
Wear time/h | δ1/mm | ΔC1/mm | ΔC2/mm | δ/″ |
---|---|---|---|---|
500 | 0.03272 | 0.00921 | 0.00915 | 2.1046 |
1200 | 0.03276 | 0.01299 | 0.01378 | 2.2623 |
3000 | 0.03281 | 0.02115 | 0.02144 | 2.6627 |
6000 | 0.03296 | 0.02871 | 0.02882 | 3.1302 |
10,000 | 0.03388 | 0.05041 | 0.05113 | 4.7467 |
15,000 | 0.03217 | 0.0960 | 0.0951 | 8.3048 |