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OKUMA MC-4VA tool change problemThis forum post has messages dated from 04/27/11 through 03/17/12, please be sure to read all the messages. If you feel it is old or outdated, please follow up with a question or comment and someone may be able to update it, or reply with newer information if you have it. - Okuma
| OKUMA MC-4VA tool change problem Having trouble with the tool change cycle and the spindle index, the spindle does not index to the same spot every time, it varies about 1 ½ degrees just enough the tool holder will not completely seat. I could not find any information in the books to tell me how to make an adjustment, there were some references to a parameter change but there was no “19” on the proper page.Has anyone had this problem and if you have what is the fix? Ken |
| "OKUMA tool holder indexer"
Our machine has a very similar problem. What do you determine the problem was?Thanks. |
#203/17/12 15:58Southwest Indiana | "incorrect spindle orientation"
Probably the rotary opticoder (spindle pulse generator) on top of the headstock. Feeds back spindle position. Before you replace it perform a successful tool change so that you know the spindle has orientated to correct position. Use a paint marker and draw a line on the bottom of the spindle. The paint mark gives use a visual reference to adjust orientation (parameter) after you install a new opticoder. |
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