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Hitachi Seiki HT20 Q-setter offset issues in programs This forum post has messages dated from 08/26/10 through 09/09/10, 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 If you feel it is old or outdated, please follow up with a question or comment and someone may be able to update it, or reply with newer information if you have it. - Hitachi Seiki
| Hitachi Seiki HT20 Q-setter offset issues in programs  New to forum, hello... I just started working with a '94 HT20 with seicos control after 13 years on a haas. I am having trouble with the toolsetter offsets. I set my tools with the q-setter and it records the offset for the tool, no problem. Put the machine in MDI mode, type in G0 X0, and tool goes to dead center of chuck, no problem. When I load a program from mastercam and try to cut, X is supposed to go to 2.2" but machine goes to the tool offset (lets say X 5.0" for simplicity) + 2.2, so 7.2". Now, if I go back to MDI mode and type G0 X0, it goes to X5.0". The Tool Origin says its at 5.0" but is acting like 0. If I take out the tool offset, then the machine thinks X0 is actually -5.0" below the chuck. The only way I have found to get things back to normal is to take out the offsets, restart machine, and start all over. I tried not using the tool setter and doing it the old fashioned way with the same results with different numbers. I'm not using the tool nose R, tool tip, etc. offsets in the machine since I am programming in mastercam and compensating for it in the program. I've actually cleared out all the offsets except what the Q-setter records. Is that wrong? Just trying to see if I'm missing something or if the machine has issues. No-one at my new job knows anything about it and support seems to be scarce. Any help would be greatly appreciated, Andy |
| "fixed (sort of)"
For some reason the only solution I have found to this problem is to:Before calling the cutting tool, I have to call up an empty tool with no offset, then call up the cutting tool and everything is fine. Cancelling out the offset of the current tool does not seem to work. My program looks a little like this O0001 G28 U0.W0. T0900 (empty tool) T0101 (cutting tool) etc... anyway, thought I would update incase anyone else ever has this problem and can't find a better solution. |
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