CM602all_EJM8AESM_Service Manual.pdf - 第374页
Adjust the gap. The size and the quality of the incremental signal are displayed. Check them at the entire stroke. Item Remarks Main Body 9 12 Machine Part Replacement 10 11 Head plate Bracket Encoder head Scale holder 0…
A
F: Put the scale in the direction shown belo
w
(Scale origin should be on Rough origin PH side.)
When inserting the scale,
Remove the joint section. Remove the encoder along with the bracket. Fit a new encoder
onto the bracket. Install it on the head plate.
5
Remarks
Allen key 3 mm
Screw M4x16L 2 pcs.
Remove the scale from the scale holder. Put a new scale into the holder.
* Scale orientation (For each stage)
Align the scale with the end of the scale
holder. Fix the scale with the plate.
Phillips screwdriver #2
Flat head screw M3 x
5L
2 pcs.
Item
Machine Part Replacement Main Body
6
7
8
Scale
D-mark sticker
Origin mark
AF
BF
AR BR
Origin
Origin
Origin
Origin
Align the scale
with the end of
the holder
Align the scale
with the end of
the holder
Encoder (Head)
Joint
handle it with care.
scratch, break, screw, dirt
EJM8A-E-SMA050111-A01-00
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Adjust the gap.
The size and the quality of the incremental signal are
displayed. Check them at the entire stroke.
Item Remarks
Main Body
9
12
Machine Part Replacement
10
11
Head plate
Bracket
Encoder head
Scale holder
0.15
Connect the adjustment jig PWT18 to
the encoder. Check that the
incremental signal and the reference
mark signal satisfy
the range.
A、B 0.5 ． ． ． ． 1 ． ． ． ．
15
V
l0（R）
RI
[Reading]
The size and the quality of the
incremental signal are displayed.
Check them at the entire stroke.
X
Quality of incremental
signal
Size of incremental
signal
X
o
Quality of reference-
mark signal
1. Over the entire stroke of the
incremental signal:
size: 0.8 V or more
Quality: The bar should be in the frame.
2. Reference mark signal
Quality: The left and right ends of the bar
should be in the frames.
[Criteria]
Main bod
y
of PWT18
Size and quality of the reference mark
Adjust the bracket with the special shim
until the gap between the encoder head
and the scale is 0.15 mm
Head
Encoder head
Scale
Power 100V
PWT18
o
o
o
o
o
o
o
X
X
X
EJM8A-E-SMA050111-A01-00
Page 5-1-11-4
4-2-2 "Board Recognition Camera --- X and Y-axis
Origin Offset"
4-2-3 "Z-axis Origin Offset"
4-2-4 "Chip Recognition Camera - Theta-axis Origin
Offset"
4-2-5 "Determining the Mounting Height and
Positioning the Board"
4-2-6 "XY Plane Calibration"
4-2-8 "Pickup position"
4-2-9 "Nozzle Exchange Position"
4-2-10 "Light Intensity"
4-2-7 "Mounting Position"
4-3-2 "Board Recognition Camera --- X and Y-axis
Origin Offset"
4-3-3 "Z-axis Origin Offset"
4-3-4 "Chip Recognition Camera --- Theta Axis
Origin Offset"
4-3-5 "Determining the Mounting Height and
Positioning the Board"
4-3-6 "XY Plane Calibration"
4-3-8 "Pickup Position"
4-3-9 "Nozzle Exchange Position"
403-10 "Load Head"
4-3-11 "Lead Checker"
4-3-12 ""Light Intensity"
4-3-7 "Mounting Position"
Teaching
Machine Part Replacement Main Body
From 0.49MPa
to 0.54MPa
Put the feeder cover back on.
Item Remarks
13
Switch on the power and the air supply.
15
14
Phillips screwdriver #2
Screw M4 2 pcs.
High-Speed Head
Multi-purpose Head
1
2
EJM8A-E-SMA050111-A01-00
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