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Device Name Chip Mounter Block Name Page No. Unit Name Revision Model Item GXH-1 2. Replacement of Transfer Belts Chapter 7 Transfer Section 2.1 Replacement of Transfer Belts • Five sets of transfer belts are used in the…

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Device
Name
Chip Mounter
Block Name
Page No.
Unit Name
Revision
Model ItemGXH-1
Chapter 7 Transfer Section
1. Replacement of Transfer Motors
1.4 Replacement of NB Chute Pullover Motor
(1) Remove the anchor bolts (shown in Fig. G9) and detach the plate and the motor from
the main body.
(2) Attach the pulley of the detached motor to the new motor, keeping the distance shown
in Fig. G10 and mount the new motor on the main body.
(3) Adjust the tension of the belt by moving the plate shown in Fig. G9.
Refer to "3. Set Values for Various Belt Tensions" in Chapter 3 for details.
(4) Determine the position of the chute as shown in Fig. G11 while the motor is set in the
"Phase C" mode (Phase C Detection Jig Used) and tighten the pulley of the motor in
Fig. G10 securely.
(5) Adjust the sensor so that the limit sensor of the chute is set in the "E/NR" (Light Emitted
and Not Received) mode at the same position as in Fig. G11.
Fi
g
. G9 NB Chute Section
Plate
Anchor Bolts
Motor
Fi
g
. G10 Dimension
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7-3
8.0±0.3 mm
1.0±0.2 mm
1.0±0.2 mm from
Mechanical Stopper
Limit Sensor
Chute
Mechanical
Stopper
Fig. G11 Chute Positioning
Chute
Fi
g
. G12
Device
Name
Chip Mounter
Block Name
Page No.
Unit Name
Revision
Model ItemGXH-1
2. Replacement of Transfer Belts
Chapter 7 Transfer Section
2.1 Replacement of Transfer Belts
• Five sets of transfer belts are used in the NR, NL, NA, NB, and NC sections.
Basically, the same procedure should be followed to replace each belt with a new
one.
(1) Detach the transfer motor,
the plate, and the belt
shown in Fig. G13. Fig.
G14 shows the pulley of
the rod without the
transfer motor, the plate,
and the belt.
Refer to "1.
Replacement of
Transfer Motors"
for details.
(2) Detach the pulley of the
rod shown in Fig. G14.
Fig. G15 shows the
condition without the
pulley.
To detach the pulley,
loosen the two setscrews
and pull it out.
(3) Loosen the bolts of Block
A (shown in Fig. G16)
located on the opposite
side and pull out Block A
and the rod as shown in
Fig. G17.
(4) Replace the belt with a
new one under the
condition shown in Fig.
G18.
Fig. G18
Fig. G13
Fig. G14
Fig. G15
Fig. G16
Fig. G17
Motor
Belt
Plate
Pulley of Rod
Block A
Rod
Transfer Belt
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7-4
Device
Name
Chip Mounter
Block Name
Page No.
Unit Name
Revision
Model ItemGXH-1
2. Replacement of Transfer Belts
Chapter 7 Transfer Section
(5) Follow the reverse order of detachment to reassemble each part.
When each parts is reassembled, check the set values in Table G1.
Table G1
Spots Set Values
Clearance between Rod and Pulley Feel the clearance by hand.
Rotational Torque of Rod 3.9 N (0.40 kgf/cm) or less
Tension of Transfer Belt Refer to "3. Set Values for Various Belt Tensions"
in Chapter 3 for details.
Tension of Transfer Motor Belt Refer to "3. Set Values for Various Belt Tensions"
in Chapter 3 for details.
0406-001
7-5