HS50_advance_level 2 - 第295页
Stud ent Gu ide HS-5 0 Adva nced II 07/2 002 Ed ition 9 Z-Axis 35 2VFLOORV FRSH6HWWLQJV – If the d ynamics of the star are c orrect , each signa l will ap pear as illus trate d above. – Nomin al - pos itioning tim…
07/2002 Edition Student Guide HS-50 Advanced II
9 Z-Axis
34
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➠ Start SITEST.
➠ Turn on the compressed air supply.
➠ Prepare the measurement setup for the star-axis acoording to .
➠ Use standard nozzle 914.
➠ Set the oscilloscope according to the table below.
➠ 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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➠ Positioning the gantries, position the z-axis into free space.
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➠ 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 = 300".
➠ If necessary, press the START button.
Student Guide HS-50 Advanced II 07/2002 Edition
9 Z-Axis
35
2VFLOORVFRSH6HWWLQJV
– If the dynamics of the star are correct, each signal will appear as illustrated above.
– Nominal - positioning time: 685 dgts: 28 ms +
2 ms.
– Adjust the speed and the P-gain potentiomete alternately, so that you get the profil in
Fig. 9.6 - 5 .
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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
07/2002 Edition Student Guide HS-50 Advanced II
9 Z-Axis
36
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NOTE
If necessary to adjust the P-gain in this mode,you should repeat the setting from
chapter 9.6.5.2.
6,7(67
➠ Select "C&P Heads" ==> "Select head" ==>
"Axis functions" ==> "Select z-axis" ==> "Calibration tool position" ==>
"Adjust P-gain" ==> "Edit values and accept: If necessary, press the START button.
➠ If necessary, press the START button.
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&KDQQHO 6LJQDO &RXSOLQJ <'HIOHFWLRQ 7ULJJHU ;'HIOHFWLRQ
CH1 Vnominal DC 1.0 V/ DIV
CH1
negative
0 % pre
10 ms/ DIV
CH2 deviation of pos. DC 1.0 V/ DIV
CH3 actual current DC 5.0 V/ DIV
CH 4 end signal DC 5.0 V/ DIV