HS50的结构及原理 - 第154页
7 Collect & Place Head DLM1 Adjustment I nstructions SIPLACE HS-50 7.4 Dynamic Adjustment of the Axes Edition 05/00 154 2VFLOORVFRSH6 HWWLQJV – If the dyna mics of the star are corre ct, each si gnal will appear…
Adjustment Instructions SIPLACE HS-50 7 Collect & Place Head DLM1
Edition 05/00 7.4 Dynamic Adjustment of the Axes
153
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Å Start SITEST.
Å Turn on the compressed air supply.
Å Prepare the measurement setup for the star-axis acoording to fig 7.4 - 4.
Å Use standard nozzle 914.
Å Set the oscilloscope according to the table below.
Å Perform a head reference run.
NOTE
Use an RC - filter to record the current curve
In order to measure the actual current on the servo amplifier, connect only the actual current and
no *1'.
Measure the end signal on the measuring adapter of the axis control card, with the switch
activated.
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Å Positioning the gantries, position the z-axis into free space.
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Å Select "C&P heads" ==> "Select head" ==>
"Axis functions" ==> "Select z-axis" ==> "Tacho adjustment" ==>
"Edit and accept values: Start position = 0; target position = 685; positioning mode = absolute;
waiting time = 1000".
Å If necessary, press the START button.
7 Collect & Place Head DLM1 Adjustment Instructions SIPLACE HS-50
7.4 Dynamic Adjustment of the Axes Edition 05/00
154
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– If the dynamics of the star are correct, each signal will appear as illustrated above.
– Nominal - positioning time: 685 dgts: 28 ms +
2 ms.
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CH1 Vnominal DC 2.0 V/ DIV
CH1
negative
10% pre
5 ms/ DIV
CH2 deviat. of pos. DC 0.5 V/ DIV
CH3 actual current DC 5.0 V/ DIV
CH4 end signal DC 5.0 V/ DIV
Sollwert /
Vnominal
Positionsabweichung /
deviation of position
Stromistwert /
actual current
Endemeldung /
end signal
Adjustment Instructions SIPLACE HS-50 7 Collect & Place Head DLM1
Edition 05/00 7.4 Dynamic Adjustment of the Axes
155
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NOTE
Adjusting the P-gain, you may only finely readjust the tacho potentiometer.
6,7(67
Å Select "C&P Heads" ==> "Select head" ==>
"Axis functions" ==> "Select z-axis" ==> "Calibration tool position" ==>
"Adjust P-gain" ==> "Edit values and accept: Positioning mode downward = with current
sensor; positioning mode upward: absolute".
Å If necessary, press the START button.
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CH1 Vnominal DC 1.0 V/ DIV
CH1
negative
0 % pre
5 ms/ DIV
CH2 deviation of pos. DC 2.0 V/ DIV
CH3 actual current DC 2.0 V/ DIV
CH 4 end signal DC 5.0 V/ DIV