Okuma Vertical Machining Center Cadet

Warning: The CNC unit incorporates electronic devices which are susceptible to moisture, oil, dirt, dust, and chips, and also elevated temperatures in the enclosure caused by clogging of filters in the cooling unit. Therefore, daily inspection and maintenance of the CNC unit is important.

Visually check the control enclosure and the operation box for adhesion of water, oil, dust, and chips

Check the cooling unit filter for clogging

If the control enclosure and the operation box are dirty, clean them.

Check the inside of the control enclosure and the operation box.

Sign off on the daily control enclosure and operation box inspection

(1) Check incoming air pressure, 0.55 MPa [5.5 kgf/cm (78.2 psi)]

(2) Check oil level of the pneumatic lubricator

(3) Clean the tapered bore of the spindle

(4) Remove and discharge chips from machine

Check that the machine is level (only after the first month of machine use)

Apply grease to the ball screws and linear guides (only after the first month of machine use)

Note: The Mate U-10 control incorporates a 2000 hour PLC timer which monitors the combined X,Y and Z axis movements over time. When this combined total equals 2000 hours, the following Alarm D will occur. 4729:

This warning indicates that the axes have been in movement for a combined 2000 hours. Please lubricate axes according to maintenance manual.

This Alarm D will warn the operator to apply grease to the locations described in the previous page.

Warning: Do not ignore this alarm! It is very important that the 2000 hour lubrication be performed.

After the 2000-hour lubrication is performed, the 4729 alarm must be reset in order to clear the alarm display and restart the PLC counter.

Enter the MC User Parameter area and page down until the following screen is located:

1. Set the "Axis lube maintenance reset" parameter to "1".

(1) Check that the machine is level

(1) Check condition of lubrication of X-,Y- and Z-axis drive ball screws

(2) Check condition of lubrication of X-,Y- and Z-axis linear guide;