1_NXT Conveyor(1.0)E.pdf - 第12页

9. As a final check use a 0.3~0.5mm thickness gage as shown in the photo below. Check whether the push amount is 0 when a board is clamped. 1.5 Conveyor up/down height adjustment (previous M3 and c urrent M6 type) PM0634…

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8. If it was out of tolerance loosen the 22mm nut and use a 14mm spanner to rotate the
shaft and set the flatness.
If there is a difference between the reference and secondary rail, loosen the 10mm nut
and move the center shaft to even out the difference. At this time do not move only
one side but move each side halfway towards the other to equalize their height.
To fix any imbalance between the left and right sides loosen the M3 x 4 bolt(s) on the
reverse side of the linear guide. Apply low strength adhesive (Loctite 222) to these
bolts.
NXT Repair Training Textbook
Conveyor Unit
9. As a final check use a 0.3~0.5mm thickness gage as shown in the photo below. Check
whether the push amount is 0 when a board is clamped.
1.5 Conveyor up/down height adjustment (previous M3 and current M6 type)
PM06340 down type 27±0.05 ㎜
PM06330 up type 63±0.05㎜
1. Remove the parts camera and check that there is no rust, then place the jig. Remove
the head and set the jig from which the handle has been removed (AA1TT00). Attach
the dial stand to the jig and set the dial to 0.
2. Measure the lower surface of the cam follower in relation to the jig. Check that it is the
same as the jig (0 ~ 0.1mm).
3. If adjustment is necessary remove the cylinder cover and loosen the 10mm nut.
NXT Repair Training Textbook
Conveyor Unit
4. Also if the tilt of the cam follower rail is more than 0.1mm the set bolt can be used to
adjust it.
5. Old type conveyor back up plate height setting. Similarly bring the dial gage from the
head. Use jig (PM06320). Loosen 2 M5 bolts and use the hollow bolt to adjust the rail
height to the same height as the jig (0 ~ 0.1mm).
6. Use the 4 x M3 bolts to adjust the position of the linear guide so that the left and right
hand flatness of the rail becomes 0.05mm or less.
NXT Repair Training Textbook
Conveyor Unit