Required VEG/EE Demonstration Parameters
Fixed Input Parameters
The following mill parameter information will be required of the test mill. This data will be read from an initialization file by the system startup process.
Description | Units | Value | |
1 | Unwind gear ratio (motor : mandrel) | -none- | |
2 | Unwind fixed moment of inertia | kg-meter^2 | |
3 | Unwind mandrel diameter | mm | |
4 | Mill modulus | metric tons / mm | |
5 | Step response of HGC cylinders (2nd order) |
peak time (sec) | |
overshoot (%) | |||
6 | Filter time constant of exit gauge (1st order) | sec | |
7 | Transport distance = mill bite to exit gauge | mm |
Real-time Analog Signal Scaling (I/O Range: [-10V, +10V] )
Description | Linear Coefs (EU = Ax + B) |
Units | Value | |
1 | Mill speed (A/I) | A | (m/s)/volt | |
B | m/s | |||
2 | Exit gauge deviation (A/I) | A | mm/volt | |
B | mm | |||
3 | Unwind coil diameter (A/I) | A | mm/volt | |
B | mm | |||
4 | Unwind current (A/I) | A | amps/volt | |
B | amps | |||
5 | Gap position correction (A/O) | A | mm/volt | |
B | mm | |||
6 | Unwind current correction (A/O) | A | amps/volt | |
B | amps |
Rolling schedule
The following schedule information will be required of each coil. This data may be entered manually prior to the start of a test / demonstration run, while normal operation would have this information automatically supplied in an initialization file.
Description | Units | Value | |
1 | Entry gauge | mm | |
2 | Exit gauge | mm | |
3 | Strip width | mm | |
4 | Material density | kg/m^3 | |
5 | Max planned run speed | meters/sec | |
6 | Unwind tension target (reference) | N/mm^2 | |
7 | Top backup roll diameter | mm | |
8 | Top work roll diameter | mm | |
9 | Bottom work roll diameter | mm | |
10 | Bottom backup roll diameter | mm |