Mazak Computer Numerical Control Machine QTN 30

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. General: Arranging the machine periphery in order, cleaning the machine and its periphery (especially, the floor).

- Check the chuck unit and its periphery for chips.

- Check for secure mounting of the top jaws.

- Check for smooth chucking/unchucking.

- Check the tailstock spindle for chips.

- Check the tailstock body and tailstock spindle for smooth.

- Remove any chips from the coolant collector.

- Check the degree of dirtiness of the coolant and if necessary, replace.

- Check the electrical components for dirt and discoloration and check for loose terminal screws.

- Check for sounds of reaction during sensor contact.

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.