00195376-05_SM_D1_D1i_D2_D2i_EN.pdf - 第258页
Settings Pick&Place Head 6.6.11 P&P Head Axis Dynamics 258 Service Manual SIPLACE D1/D1i/D2/D2i Placement with 1 N Placement with 2 N Placement with 10 N 6.6.11.2 6 . 6 . 1 1 . 2 D a x is D axis During the Refere…
Settings
6.6.11 P&P Head Axis Dynamics Pick&Place Head
Service Manual SIPLACE D1/D1i/D2/D2i 257
Oscillogram of a Nozzle Changeover
Nozzle pickup, Z axis down
The current flow adjustment marked as (1) shows the moment when the nozzle engages with the nozzle
interface with increased force and subsequent unloading.
During Positioning with Travel Profiles in SITEST
The following travel times can be determined via SITEST or by measuring the Z axis travel profiles at
placement (with a defined force).
Oscillograms for Various Force Levels
This shows typical oscillograms for Z axis positioning with force sensor mode (as in placement) at vari-
ous force levels.
The specified time ranges for positioning are values from travel tests with new heads.
Detailed function: > Description > Result Malfunction: > Description > Cause/Repair
Positioning to absolute positions:
Z axis moved to programmed target position.
End position signal is issued when the target
corridor is reached.
Z axis unable to reach target position.
The axis shows an oscillating, permanent deviation of
position. The end position signal is not set within the
time-out time.
1. Possible cause:
Electrical defect in servo amplifier => replace servo
amplifier.
2. Possible cause:
Axis swings up due to electrical or mechanical defects
in head => replace head.
Typical travel times indicating correct Z axis function:
Placement with 2 N – standard 95 - 105 ms
Placement with 1 N 170 - 180 ms (placement time not decisive)
Placement with 5 N 90 - 100 ms
Placement with 10 N 80 - 90 ms
Placement with 15 N – highest force of standard head 85 - 95 ms
Settings
Pick&Place Head 6.6.11 P&P Head Axis Dynamics
258 Service Manual SIPLACE D1/D1i/D2/D2i
Placement with 1 N
Placement with 2 N
Placement with 10 N
6.6.11.2
6.6.11.2 D axis
D axis
During the Reference Run
Initial statements about the correct head function can be made from the individual procedures during the
reference run.
Detailed function: > Description > Result Malfunction: > Description > Cause/Repair
Axis reference run:
1. Search for phase current commutation
2. Positioning at zero point correction (ZPC) target
position:
The D axis is at 0°/180° position. Further process-
es are nozzle scanning, vacuum check and height
measurement.
D axis unable to reach target position.
Trailing cable distance error due to motor phase
failure.
Stiffness due to defect rotary part
=> replace head
Settings
6.6.12 Vision DC/DC Converter Pick&Place Head
Service Manual SIPLACE D1/D1i/D2/D2i 259
During Nozzle Changeover
Function errors during nozzle changeover are not based on head axis function errors.
During Positioning with Travel Profiles in SITEST
D axis 180° positioning
6.6.12
6.6.12 Vision DC/DC Converter
Vision DC/DC Converter
The function of the Vision DC/DC converter is to provide the 42V voltage supply for the stationary cam-
eras.
The 42V are use for the illumination of the stationary cameras.
When replacing the Vision DC/DC converter, observe the following settings.
Bypass, wire jumper on the connector of the DC/DC converter
Detailed function: > Description > Result Malfunction: > Description > Cause/Repair
Nozzle pickup:
D axis rotates to place down position.
The D axis rotates around the nozzle in the garage,
to lock.
D axis unable to reach target position.
Cause
X/Y position of nozzle changer not correctly cali-
brated.
Detailed function: > Description > Result Malfunction: > Description > Cause/Repair
Positioning to absolute positions:
D axis moved to programmed target position. End
position signal is issued when the target corridor is
reached.
Threshold value:
A 180° positioning may only take max. 230 ms.
Heavy (over 30 gr.) and extremely large compo-
nents may exceed this threshold.
Z axis unable to reach target position.
The axis shows an oscillating, permanent devia-
tion of position. The end position signal is not set
within the 130 ms.
Cause
Electrical defect in servo amplifier
=> replace servo amplifier.
Axis swings up due to electrical or mechanical de-
fects in head
=> replace head.
Subdistributor
Bypass 1 (wire jumper) 10 - 13
Bypass 2 (wire jumper) 11 - 12