Mazak Computer Numerical Control Machine QTN 30

Tools to be used: Wrench, Phillips screwdriver, Allen wrench

1. Cleaning the suction filter. The suction filter in the lubricating oil reserve tank should be cleaned at least once a year.

A. Open the side cover as illustrated below.

B. Remove the pipes in the lubrication unit.

D. Pull out the lubrication unit.

E. Remove the screws on the lubrication unit.

F. Remove the pump from the tank. The suction filter can be seen.

A. It is important to grease the chuck jaws with the specified grease daily. Greasing must be provided correctly and sufficiently. If not done insufficient gripping force, decrease in gripping accuracy, unusual wear, and/or thermal damage may result.

!DANGER: Insufficient or incorrect greasing affects the chuck gripping force and thus cause the workpiece to come out during machining. The power must be turned off before greasing.

B. Grease the chuck jaws using the grease nipples provided on the outer periphery of each master jaw. Greasing must be executed at least once each day using a grease gun.

In cases where high-speed rotation and a large amount of water-soluble coolant oil are used, increase the frequency of greasing according to the particular operating conditions.

* Recommended grease: Grease for Kitagawa chucks Molycoat EP Grease (manufactured by Dow Corning)

1. After working, the chuck body and the sliding surfaces must be completely cleaned using an air gun.

2. Use corrosion-preventive coolant water. Otherwise, the inside of the chuck body may corrode and thus result in deterioration of its gripping force.

1. Replacing the filter element.

Replace the filter element at least once a year.

B. Replace the hex socket head screw.

C. Pull out the baffle. The filter element can be removed.

D. Replacing the filter element.

F. Tighten the hex socket head screw.

Warning: Only authorized personnel can carry out electric maintenance.

Danger: High voltages are applied to terminals inside the electrical control cabinet, transformer, motor and relay box. Never touch these terminals.

Always turn the main circuit breaker to the 'OFF' position, and use an approved lock-out device when completing maintenance or repairs.

All terminal screws of electric parts are tightened securely.

Soldered portions have proper strength.

The cap of the cartridge fuse is tightened securely.

The spark extinguisher case is not discolored.

If the spark extinguisher case is discolored, note the necessary changes.

Sign off on the electrical control cabinet check.

Cleaning the chucking cylinder.

If coolant overflows from the coolant collector, it will enter the hydraulic unit reserve tank through the drain port. Particular care should be taken to prevent clogging the coolant collector with chips because it causes the overflow of coolant.

1. Remove the three bolts (1).

2. Pull up the plate (2). Chips can now be removed easily.