HOFMANN BALANCING MACHINES
1. The measuring system was replaced with a modern microprocessor PB-02M, and a new control panel was introduced that includes additional functions.
2. The installation of new electrical equipment was completed with the replacement of the DC drive with a modern frequency-controlled asynchronous electric drive based on the LS800 frequency converter.
3. An additional belt drive for rotating the part to the existing axial drive is installed.
| Name | Meaning |
|---|---|
| Rotation speed range of balanced items, minˉ¹ | 600 - 2800 |
| Achievable minimum residual specific imbalance, not less than, E min. reach, gmm/kg | 1 |
| The smallest correction unit, not less than, k, gmm/kg | 0,5 |
| Technical characteristics of the microprocessor device | |
| Number of measured rotor correction planes | 2 |
| Measurement in each plane | simultaneously |
| Coordinate measurement system | polar |
| Bandwidth, Hz | 0,1; 0,5; 2 |
| Input resistance, kOhm, not less than | 10 |
| Sensitivity steps in relation to | 0,1:1:10 |
| Overload capacity in terms of noise level, referred to the upper limit of the scale: | |
| - for the scale value “0.1” and “1”, not less than | 10 |
| - for scale value “10”, not less than | 5 |
| Display of unbalance module, unbalance angle and speed | LCD display |
| Measurement error: | |
| - unbalance modulus, %, no more | 5 |
| - unbalance angle, deg., no more | 7 |
| Sweep of the reference signal from the photosensor: | |
| - pulse amplitude, V | 0,1…4 |
| - input resistance, kOhm, not less than | 100 |
| Power supply of the measuring device with AC voltage, V | 220±10% |
| Power consumption, kW, no more | 11 |
| Precious metal content: | does not contain |
Commercial offer for the repair and modernization of the Hofmann balancing machine
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