CM602all_EJM8AESM_Service Manual - 第379页
Adjust the gap to 15 mm. Item Remarks 9 11 12 Machine Part Replacement Main Body The size and the quality of the incremental signal are displayed. Check them at the entire stroke. 10 調整治具PWT18をエンコーダヘッドに 接続し、インクリメンタル信号、参照…
A
: Put the scale in the direction shown below.
When inserting the scale,
Allen key 3 mm
Screw M4x16L 2 pcs.
Remarks
Phillips screwdriver #2
Flat head screw M3x5L
2 pcs.
Item
Main Body
6
7
5
Machine Part Replacement
Remove the scale from the scale holder. Put a new scale into the holder.
* Scale orientation (Stages A and B)
Align the scale with the end of the scale
holder. Fix the scale with the plate.
Remove the joint section. Remove the encoder along with the bracket. Fit a new encoder
onto the bracket. Install it on the head plate.
8
Scale
D-mark sticker
Origin mark
Align the
scale with
the end of
the holder
Align the
scale with
the end of
the holder
Origin mark
AF
BF
AR
BR
Origin
Origin
Origin
Origin
D-mark sticker
D-mark sticker
Encoder (Head)
Joint
handle it with care.
scratch, break, screw, dirt
EJM8A-E-SMA050112-A01-00
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Adjust the gap to 15 mm.
Item Remarks
9
11
12
Machine Part Replacement Main Body
The size and the quality of the incremental signal are
displayed. Check them at the entire stroke.
10
調整治具PWT18をエンコーダヘッドに
接続し、インクリメンタル信号、参照
マーク信号が許容範囲内に入っている
ことを確認する。
The size and the quality of the
incremental signal are displayed.
Check them at the entire stroke.
Encoder head
Scale
Power
PWT18
X beam
Encoder head
Scale holder
0.15
Bracket
X beam
Adjust the bracket with the special shim
until the gap between the encoder head
and the scale is 0.15 mm
[Criteria]
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.
Size and quality of the reference mark
A、B 0.5 ． ． ． ． 1 ． ． ． ．
15
V
l0（R）
RI
[Reading]
X
Quality of incremental
signal
Size of incremental
signal
X
o
Quality of reference-
mark signal
Main bod
y
of PWT18
o
o
o
o
o
o
o
X
X
X
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Teaching
Item Remarks
13
Switch on the power and the air supply.
From 0.49MPa
to 0.54MPa
High-Speed Head
Multi-purpose Head
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"
15
Phillips screwdriver #2
Screw M4 2 pcs.
Put the feeder cover back on.
14
Machine Part Replacement Main Body
1
2
EJM8A-E-SMA050112-A01-00
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