Evaluation Of Economic Losses From Measurement Error
Table 2: Metrological characteristics of measuring instruments for monitoring the main journals of the crankshaft YaMZ-238NB
Nameinstrument | Symbol | Accuracydivisions, mm | Rangemeasurements, mm | Rangereadings, mm | Accuracy,µm |
Micrometer | MK-125 | 0.01 | 100-125 | – | ±15 |
Lever micrometer | MR-125-0.002 | 0.002 | 100-125 | ±0.14 | ±7.5 |
Indicator bracket | SI-150-0.01 | 0.01 | 100-150 | 0…10 | ±20 |
Indicator bracket | SI-150-0.002 | 0.002 | 100-150 | 0…2 | ±6.5 |
Micrometer with digital indicator | MKD-125-0.001 | 0.001 | 100-125 | – | ±3 |
Lever bracket | SR-125-0.002 | 0.002 | 100-125 | ±0.14 | ±2 |