Light Machine Corp. Benchman XTr (retrofit)

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8 years 6 months ago #109412 by project-pegasus
Replied by project-pegasus on topic Light Machine Corp. Benchman XTr (retrofit)
After reading through the Nextmove and Benchman manuals and comparing their sample circuit diagrams with the circuit diagrams TG provided us, I'm now reasonably certain that the Benchman XT and VMC 4000 use Nextmove PC cards with PNP Output configurations and PNP Input configurations giving it the part number NMP001-501. I hope that might be helpful to someone at some point.
What's interesting is that it's fairly easy to change an NPN card to PNP and vice versa.

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8 years 5 months ago #111011 by genixia
Mine came with the ISA version of the card with the PC running NT. I'm guessing that was only available in PNP configuration. I briefly looked at getting a PCI version so I could upgrade hardware and OS to extend usability, but for the money I'll just push to linuxcnc instead.

What do you know about your spindle condition? Do you have the ISO10 toolholders still?

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8 years 5 months ago #111040 by project-pegasus
Replied by project-pegasus on topic Light Machine Corp. Benchman XTr (retrofit)
I have the machine up and running now, though I'm having some problems getting the ATC to function properly. But the the spindle works fine; I've had it up to 30,000 rpm with no problems. It came with only 5 ISO10 tool holders, but I've seen some Chinese sellers on ebay have some rated to 20,000 rpm. Anyone know the largest diameter tool an ISO10 will fit?

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8 years 5 months ago - 8 years 5 months ago #111043 by andypugh
No eBay APP ID and/or Cert ID defined in Kunena configuration ?

I think ER16 goes up to 10mm. And I can't see anything bigger than ER16 in ISO 10 searching the internet.

That ebay auction shows some interesting holders. They use a slot for the spanner to keep the cap diameter small, and the spanner fits into the slot of the collet to extract it (in the way that the eccentric ring does on the normal caps).
Last edit: 8 years 5 months ago by andypugh.

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8 years 5 months ago #111046 by project-pegasus
Replied by project-pegasus on topic Light Machine Corp. Benchman XTr (retrofit)
Thanks for that. I just ordered one. I wish I could track down some old Schaublins.

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8 years 5 months ago #111052 by genixia
Haha, sounds like you're thinking about keeping that spindle after all. I was hoping to prise those Schaublins away from you. I have a full set of 12, but I too wish I could find more. Look after that spindle - replacing the bearings is an expensive proposition.

Search around - I've seen ER16 collets listed in 13/32", 10.5mm and 11mm. Nothing larger than 11mm though.

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