13.3.7 Ball-Screw Maintenance
CAUTION
If your mold is not used for a long time, inspect the ball-screws for oxidation
and dirt. Clean and lubricate the ball-screws before you start the machine.
We recommend to call a Mold-Masters service technician for the inspection.
CAUTION
Regular Maintenance Recommendation:
Maintenance by cycle: Every 1.6 million cycles.
Maintenance by duration: Every six months.
NOTE
Mold-Masters recommends to carry out the maintenance on whichever
occurs earlier.
13.3.8 Top Plate Assembly
1. Make sure that the ange-nuts are at proper orientation and same level
before top-plate is lowered down for assembly.
2. Install the top plate with the ball-screw to the synchro-plate.
3. Install the motor and the gearbox to the unit.
4. Install the tension idler pulleys to the top plate.
13.3.9 Attach the Synchro-Plate to Top Plate Assembly
1. Using tool KEY-BPHEXTKEY5.0, place the M6 screws that connect the
ball-nut to the synchro-plate and slightly tighten them. Use another hex
key tool and fully tighten the screws.
13.3.10 Tension Belt Assembly
1. Install the ball screw pulleys and belt on the top plate assembly.
2. Do not lock the belt pulley to the screw shaft. Make sure that the shaft
does not rotate when the pulleys are rotated.
2
1
1. Ball-screw pulley
2. Belt pulley
3. Fasten the tension belt to the pulleys.
NOTE
Refer to 13.4 on page 13-13 for the rst time installation and replacement of
the belt.
13-10
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