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  • How is cnc router normally controlled?

  • David Stevenson

    Member
    May 18, 2020 at 9:50 pm

    May seem like a strange question but there seems to be a huge difference in the price of cnc router. HPC do one that will take a 8×4 sheet for around £10,000 but it seems to be controlled by a control box rather than a pc! Is this normal or is this old technology? Thanks

  • Michael Cunney

    Member
    May 19, 2020 at 6:07 am

    The computer you see alongside a CNC runs the software that the CNC reads when cutting, bit like how your printer is useless without a computer a RIP software to tell it what to do.

    You create your design on a programme like Vcarve, that then creates a long list of cutting coordinates which the CNC software, generally Mach 5 reads and operates the machine by, it’s that software that is the brain of the machine. CNCs themselves are very simple, just stepper motors, spindle and a bit of circuitry.

    Some machines seem to have their computer setup integrated into machine but all same idea as far as I know.

    HPC seem be a great company but the 12 months warranty they offer on their lasers doesn’t fill me with confidence, unsure if routers are the same.

    Check out machinery and electrical too, they’re simple machines but British made, very robust and work well, it’s what we have.

  • David Stevenson

    Member
    June 10, 2020 at 12:23 pm

    Cheers Michael, Looking at a few machines and trying to get our head around prices. Trying to decide if the extra cost for auto tool change and an oscillating knife is worth the extra cost. Would want dust extraction for definite. Price seems to vary between £8000 and £30000. Can we justify the extra cost for the more expensive machine when we’re only new to CNC? Hard to know.

  • NeilRoss

    Member
    June 10, 2020 at 1:52 pm
    quote David Stevenson:

    Cheers Michael, Looking at a few machines and trying to get our head around prices. Trying to decide if the extra cost for auto tool change and an oscillating knife is worth the extra cost. Would want dust extraction for definite. Price seems to vary between £8000 and £30000. Can we justify the extra cost for the more expensive machine when we’re only new to CNC? Hard to know.

    If you expect to be engraving large pocket areas that need sharply defined corners then I’d certainly recommend auto tool changer. So you would set the toolpaths – 1 to take out the bulk of material within the pocket and then change to tool 2 (at some stage in the job) to clean up the edge and give you sharp corners.

  • Phil Davies

    Member
    June 10, 2020 at 3:51 pm
    quote Michael Cunney:

    The computer you see alongside a CNC runs the software that the CNC reads when cutting, bit like how your printer is useless without a computer a RIP software to tell it what to do.

    You create your design on a programme like Vcarve, that then creates a long list of cutting coordinates which the CNC software, generally Mach 5 reads and operates the machine by, it’s that software that is the brain of the machine. CNCs themselves are very simple, just stepper motors, spindle and a bit of circuitry.

    Some machines seem to have their computer setup integrated into machine but all same idea as far as I know.

    HPC seem be a great company but the 12 months warranty they offer on their lasers doesn’t fill me with confidence, unsure if routers are the same.

    Check out machinery and electrical too, they’re simple machines but British made, very robust and work well, it’s what we have.

    I can vouch for HPC Laser, They are a great company. It might be a 12 months machine warranty, but they offer lifetime phone support if needed. I myself have 6 of their lasers in the business (I have 2 old ones that were sold one) and am about to get another to go in my garage for home use 🙂 . They are a good team of people. Its very rare anything goes wrong with the lasers to be honest, apart from the usual consumables.

  • Stephen Morriss

    Member
    June 10, 2020 at 4:46 pm

    I’d get the auto tool changer if it’s not a stupid price, messing around changing tools by hand gets old fast and on some carving type jobs you may need to change the tool 4 or 5 times for various bits.

    Steve

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