CP7 training(6.0) (1).pdf - 第60页

FK-9F98-27 CP-7 Series T raini ng T ext for Service Engineers Edition 6.0 Chapter 4. S tation Adjustment [1 1/28] 7. Confirm that the N.C intersecti on lever shown in figure 15 (item 6) is horizont al when the cam is at …

FK-9F98-27 CP-7 Series Training Text for Service Engineers

Edition 6.0 Chapter 4. Station Adjustment [10/28]

4.9 Nozzle Changer Adjustment

Follow the procedure below in order to adjust the Nozzle Change Mechanism Correctly.

There are several items for adjustment.

4.9.1 Alignment

4.9.2 Gear Backlash

4.9.3 Stroke

4.9.4 NC origin Calibration data

4.9.1 Nozzle Changer Alignment Adjustment

Figure 15

Item 1 = Stroke adjusting rod

Item 2 = UP/DOWN positioning bolts

Item 3 = Height adjusting bolt

Item 4 = Fwd/Bwd adjusting bolt

Item 5 = Fwd/Bwd positioning bolts

Item 6 = N.C intersection lever

1. At 0 degrees, disconnect the air supply to the machine.

2. Remove the cover from the nozzle change drive gears.

3. Turn the 14

station nozzle changer solenoid OFF at 0 degrees. (Y036)

4. Move shaft A to the 15

station and install the alignment jig.

5. Carefully rotate the jig into the 14

station and set the cam at 200 degrees.

Caution: because the jig spans two shafts, never rotate the cam outside of stations 14 and 15.

The N.C alignment check

N.C axis alignment jig

Jig No. ADCPJ8040

Figure 16

6. Confirm that the N.C axis fits smoothly into the jig. If not, adjust by loosening the up/down and

forward/backward positioning bolts and utilizing the adjustment bolts.

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SMT Equipment Quality Assurance Dept.

CS Section

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FK-9F98-27 CP-7 Series Training Text for Service Engineers

Edition 6.0 Chapter 4. Station Adjustment [11/28]

7. Confirm that the N.C intersection lever shown in figure 15 (item 6) is horizontal when the cam is at

0 degrees. Adjust otherwise.

4.9.2 Nozzle Changer Gear Backlash Adjustment

1. Confirm that the two gears where the motor intersects the NC axis are aligned correctly. Then,

lock the 4 small set screws (there are two on each gear):

One of 2 set screws on each

bevel gear. (Ensure the

screws are seated at the

flats on each shaft.

)

Figure 17

2. Turn the servo ON.

3. Place a dial gauge on the lower of the two gears (figure 18) and measure the backlash of the gear

at four points: 0, 90, 180 and 270 degrees. The backlash should be in the range 0.03 to 0.13mm.

If the backlash is not in range, realign the two gears as described in step 1.

Figure 18

4.9.3 Nozzle Changer Stroke Adjustment

1. Turn the servo OFF and attach a nozzle holder to shaft A.

2. Set the 10

station RQ to its original position and rotate the A-shaft through the 10

station to

make sure the nozzle holder is aligned correctly.

3. Rotate the “A “ shaft with holder attached to the 13

station at 0 degrees.

4. Turn ON the 14

station, nozzle changer solenoid valve by I/O: [I/O] → [Standard] →

[OUT] → Y037 ST14 NOZ CHANGE SOLENOID ENGAGED.

5. Rotate the A-shaft towards the 14

station and just before the nozzle changer clutch engages with

the nozzle holder (at around 130 degrees) place a dial gauge on the nozzle holder as shown in

figure 19 on the following page.

Fuji Machine Mfg. Co., Ltd. (Okazaki)

SMT Equipment Quality Assurance Dept.

CS Section

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FK-9F98-27 CP-7 Series Training Text for Service Engineers

Edition 6.0 Chapter 4. Station Adjustment [12/28]

Figure 19

6. To check the stroke, the cam needs to be set at a specific angle. Due to recent changes of the B-

cam assembly, the cam angle depends on the type of B-cam assembly. To identify which type,

look at the markings on the side of the B-axis counter balance lobe.

If the marking is “3 or 4”, the cam angle should be set to 141 degrees and the stroke amount

should be within 0.01 to 0.05mm. (“3 or 4” identifies the old type B-axis assembly)

If the marking is “x”, the cam angle should be 146 degrees and the stroke amount should be

within 0.01 to 0.05mm. (“X” indicates the newer type B-axis assembly)

B -axis cam assembly

Counter balance

CP742(M)E/732E = 141 degrees

CP743(M)E/733E = 146 degrees

Check the marking on the B-cam

as indicated in step 6.

7. If not within range, loosen the two bolts of the stroke adjustment rod (item 1 in figure 15) and turn

the rod to change the stroke amount.

8. Once the stroke is set within range, lock the two bolts and recheck the stroke.

4.9.4 Nozzle Change Origin Position Calibration

1. Set a shaft at the RQ origin position and move it to station 13 at 0 degrees. (This action will align

the nozzle holder to the correct position for nozzle changing)

2. Rotate the NC motor to around zero pulses. Rotate the rotor until it is horizontal. When the rotor

is horizontal, the pulse count must be within 0 +/- 1800.

3. Turn the 14

Station solenoid valve ON. (Y037) and slowly rotate the cam to 141 degrees

(CP742(M)E/732E) or 146 degrees (CP743(M)E/733E) to engage the NC clutch rotor with the

nozzle holder clutch at station 14 while holding the clutch horizontal.

4. Move the cam-axis to a position where the clutch starts to engage and where the backlash

decreases for the NC clutch rotation.

5. When the lower gear is rotated in the above situation, the counter will vary due to the backlash.

Take the center value and set it as the NC Origin Position.

Note: The Calibration Data can be either plus or minus. However, make sure that the value does

not exceed +/- 1800 pulses.

Press: [Maintenance] → [Calibration] → [Origin Position Offset] → [NC]

Fuji Machine Mfg. Co., Ltd. (Okazaki)

SMT Equipment Quality Assurance Dept.

CS Section

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