Newbie Used Arrow 750 - My First Commercial VMC


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Thread: Used Arrow 750 - My First Commercial VMC

  1. #1
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    Post Used Arrow 750 - My First Commercial VMC

    I'm going to look at a used VMC Arrow 750. Any pointers on items of concern on these machines? What parts are still avail for these?

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    Default Re: Used Arrow 750 - My First Commercial VMC

    Quote Originally Posted by sburrell View Post
    I'm going to look at a used VMC Arrow 750. Any pointers on items of concern on these machines? What parts are still avail for these?
    Hi, sburrell

    I've had a few struggles over the last two years;

    - failing HDD (replaced with modern SSD)
    - failing BIOS-memory on RT-motherboard (snipped off original battery, and soldered on dual AA-holder for ease of later replacement - set sufficient settings in BIOS)
    - seized servo motor bearings (due to storage in unsufficient environment/temperatures - replaced)
    - servo drive failing due to aging internal passive components (caps, resistors etc.)
    - other strange behaviour (cannot remember exactly which ones) solved by reseating boards and relays.

    Other than that - great machine!



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    Default Re: Used Arrow 750 - My First Commercial VMC

    I ended up getting a used Excel Machine. So far pretty happy with it. Nothing fancy.





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Used Arrow 750 - My First Commercial VMC

Used Arrow 750 - My First Commercial VMC