Nakanishi PLANET600 Series Operation Manual page 16

① Installing the work materials onto the holder.
② Align and indicate the center of the milling machines main spindle to the center of the hole on the
work material.
③ Install the adjustable boring head into the main spindle of the vertical milling machine.
④ Install the Air Turbine Spindle into the adjustable boring head.
⑤ Thread the Anti-Rotation Bar into the Outward Rotation Ring of the Air Turbine Spindle before use.
Refer to section " 13. USING THE ANTI-ROTATION BAR ".
⑥ Rotate the main spindle of the milling machine by hand. Place and mount the Block (provided
by the end-user) in a position where the Anti-Rotation Bar will come in contact with the block
completely.
⑦ Rotating the Air Turbine Spindle, adjust the eccentricity amount of the adjustable boring head until
the grindstone lightly comes in contact with the work material to be ground.
⑧ Rotate the main spindle on the milling machine a maximum of 120 min
the work piece.
⑨ Reciprocate the grindstone several times after each pass to eliminate grindstone tool pressure.
⑩ Stop the rotation of the main spindle on the milling machine.
Adjust the eccentricity amount of the adjustable boring head then repeat the procedure (Refer to
" 11. CAUTIONS WHEN USING GRINDSTONES " ).
Anti-Rotation Bar
(Standard Accessories)
Block (Not Included)
(not included / provided
by the end-user)
2A (Eccentricity amount) + B (Outside diameter of the grindstone axis) = C (Bore of Work)
30
A
φB
φC
Fig. 12
(rpm) and begin to grind
-1
Boring Head
Reducer
Outward Rotation Ring