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Type: Posts; User: Helix60

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    "New" used inverter arrived on Thursday. ...

    "New" used inverter arrived on Thursday. Installed and tested. Working like new again. Will see about rebuilding the old drive. I have a feeling one of the output drivers failed, since there is a...
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    Well, the new CAPs didn't fix the inverter. ...

    Well, the new CAPs didn't fix the inverter. Obtaining another "Working unit".

    Wish me luck!
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    Mine is set up with the 2500 RPM Mill spindle. I...

    Mine is set up with the 2500 RPM Mill spindle. I do both edge and angle mill drill operations. So I'll keep it at 2500. I know there was simply a pulley belt change and a parameter change between...
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    Thanks for the offer. The only manual I'm...

    Thanks for the offer. The only manual I'm looking for is for the National DV-503 VFD. I do have a Japanese version, which I've been translating with both the computer and a phone app..lol. Not at...
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    This one is an '85 model. The Schematics state a...

    This one is an '85 model. The Schematics state a DV-503 is used. I know Mazak changed the mill spindle controller a few times. Eventually combining it with the main spindle controller.

    I have a...
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    Yes a T-3. I'm referring to spindle for live...

    Yes a T-3. I'm referring to spindle for live tooling. The inverter is housed in the upper control cabinet, not the lower. This National is OEM.

    Found a used one in Ebay. No paperwork. And...
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    QT10N ATC Mill Spindle Inverter.

    I'm looking for a download link for the installation/ operation manual for a National DV-503 inverter. This inverter runs the Mill spindle located on the X-axis. The motor even when the belts are...
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