D-serie LEVEL II.pdf - 第91页

Gantry Overall Gantry Design Overview S tude nt Guide Advanced Level 2 SIPLACE D Series EN 05/2007 Gantry 6-5 Y -Axis T echnical Dat a 6.1.1.3 Determining the position Incremental scales (metal) are used to determine the…

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Gantry
Overview Mechanical Structure
Student Guide Advanced Level 2 SIPLACE D Series
Gantry EN 05/2007
6-4
Y-Axis Construction
6-4: Y-Axis Design and Fan Positions (D4)
Legend
Additional X motor cooling is performed at the respective pickup position. The diagram above shows the
following pickup positions:
Pickup position for gantry 1 (A)
Pickup position for gantry 4 (B)
Pickup position for gantry 2 (C)
Pickup position for gantry 3 (D)
Do not cover the fan and service the filter fitted there.
1 Gantry 1 5 Guide system
2 Gantry 2 6 Linear motor secondary part
3 Gantry 3 7 Measuring system
4 Gantry 4 8 Linear motor primary part
Gantry
Overall Gantry Design Overview
Student Guide Advanced Level 2 SIPLACE D Series
EN 05/2007 Gantry
6-5
Y-Axis Technical Data
6.1.1.3 Determining the position
Incremental scales (metal) are used to determine the position of the axes. These are attached (adhesive)
between the linear guides (X axis) or under the secondary part of the Y-axis.A corresponding
incremental encoder reads the count pulses, which are transmitted to determine the position of the axes
and to regulate the axis controller board motors.
New incremental encoders with improved lens systems bring higher wanted signals for tracks A/B (V
ss
)
than previously.
Monitoring the position
Monitoring the track signals (counter edge spacing)
Monitoring the position to the travel range ends, in accordance with the speed)
Monitoring the two Y axes in one placement area
Additionally each axis has a mechanical end stop (elastomeric bumper).
6.1.2 Overall Gantry Design
The gantries on the 4 machine types in the D-series have the following common/different features:
Drive Direct, linear motor
Maximum speed 2.5 m/sec.
Travel path of gantries, calculated from the center
of the machine
Gantry 1 - 688.5 mm
Gantry 2 - 768.5 mm
Gantry 3 - 688.5 mm
Gantry 4 - 768.5 mm
Distance measuring system Incremental scale
Scale length D1/D2/D3: 1960 mm, D4: 1530 mm
Resolution 1 µm
Assembly D4 D3 D2 D1 D1 single head
Gantry Cast gantry HS CFK06 gantry X3 Extended cast gantry
X-drive Motor with belt
drive
Linear motor Motor with belt drive
X-motor cooling
(filter mats!!)
100/120 mm
fan in Y-axis
pickup position
Exhaust for
vacuum
distribution
120 mm fan in Y-
axis pickup
position, C&P
head to MA
center
120 mm fan in Y-
axis pickup
position, C&P
head on the right
in each case
120 mm fan in Y-
axis pickup
position
C&P head (right)
P&P head (left)
Temperature
sensor integrated
into motor
Cable to axis controller
X belt tension 53 Hz +1 /-3 --- 44 Hz +/-1
Incremental
encoder
With optical 1-field technology
Incremental scale Glued on metal
strips and
screwed to
gantry
Glued on an
aluminum strip
with edge guide.
This is glued onto
CFK material
Glued on gantry
Overall gantry design
Gantry
Overview Overall Gantry Design
Student Guide Advanced Level 2 SIPLACE D Series
Gantry EN 05/2007
6-6
X-axis travel
ranges (to
bumper)
373.5 mm ~480 mm 473.5 mm
X-axis incremental
scale length
440 510 500
Arrangement of
bearing slider
1 slider on each
of the 2 linear
guides, side by
side
2 sliders on each
of the 2 linear
guides, one
above the other
1 slider on each of the 2 linear guides, side by side
Slider for X linear
guidance
Do NOT grease
Placement head(s) 4 C&P12 C&P12/6 and/or
1 TWIN
2 C&P12 or
C&P6 or mixed
CP12 or 6 and 1
P&P module
C&P 12 or 6 or
P&P module
Head mount with Gantry head
distributor
board carrier
X motor with
board carrier
Gantry head distributor board carrier
PCB camera
SST34
Below gantry
Y drive Linear motor
Y-motor cooling Compressed air
supply to head
Fan in pneumatic
rack
Compressed air supply to head
Temperature
sensor integrated
into motor
Wiring to axis controller
Incremental
encoder
With optical 1-field technology
Incremental scale Glued to MA
frame. Gauge
set HS
Glued to MA
frame. Gauge set
HF
Glued to MA frame. Gauge set NEW
Y travel range (per
gantry and up to
stopper or 2nd
gantry)
~1507.5 mm ~1234.0 mm
(gantry 2)
~1428.5 mm
(gantry 1)
~1205 mm ~1591.5 mm
Y incremental
scale length per
PA
1600 mm 1960 mm (as in X
machine)
1960 mm (as in X machine)
Arrangement of
bearing slider
2 sliders on each of the 2 linear guides, one above the other
Y linear guidance
slider
Grease
Temperature
sensors for
compensation
1 at each gantry 2 at each gantry 1 at each gantry
X-axis distributor
board
Gantry head
distributor,
version 3
Head interface
and head adapter
Gantry head distributor, version 3
Compressed air
distributor block
Yes, with direct
tubes to head
Yes, X version Yes, with tubes to
T-piece and then
to head
Yes, with tubes to
T-piece and then
to heads
Yes, with tubes
to T-piece, 1
output blocked
Assembly D4 D3 D2 D1 D1 single head
Overall gantry design