UPGRADING OF THE ROCKWELL HARDNESS PRIMARY STANDARD MACHINE |
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| He Li, Zhang Feng, Ye Ming, Liu Lianqiu, Wang Beiping |
- Abstract:
- According to the new definition of Rockwell hardness given by the international working group on hardness, the Rockwell hardness primary standard machine has been upgraded. As the new loading system, loading monitor system, PLC control system and laser measuring system have been developed, the function of the new primary standard machine can now meet the requirements of the new definition and its measuring uncertainty can reach the expected values.
- Keywords:
- new definition for Rockwell hardness , toothed-belt drive, hydraulic transmission, loading monitor system
- Download:
- IMEKO-TC5-2010-NP-012.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC5
- Event name:
- HARDMEKO 2010
- Title:
- 11th HARDMEKO Conference: HARDMEKO 2010 (together with 21st TC3 Conference on Measurement of Force, Mass and Torque and 2nd TC22 Meeting on Vibration Measurement)
- Place:
- Pattaya, THAILAND
- Time:
- 21 November 2010 - 25 November 2010