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Looking for new portable CMM

Nguyen
Hi all,
I'm looking for a portable CMM and found some Romers but not sure which one is best fit my need. I need a touch probe CMM, (PC-DMIS software preferred) to measure the mold/die feature mounted on the machine. Accuracy about 0.0002", arm is able to reach 40". I already submit a request to Romer but still want to ask your opinion on any pros and cons of the portable CMM? What machine type you have or suggest, etc...
Currently we have to disassemble the mold/die to put on the CMM to meaaure so I'd liek to avoid that.
Thank you in advance.
Nguyen
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  • My experience with CMM arms is limited, but based on it and what I have heard from numerous people with much more experience, in the 40" range you will be lucky if can reliably report +/- .010".

    When you start talking about the range of .0002" environment becomes extremely important even with the best stationary CMMs. There are machines that can do that, but they are in carefully constructed rooms that cost about as much as the CMM itself.

    So, do you have a cool million $ to toss at this?



    I'm not sure what equipment your PCMM experience was with but arms are certified to standards just like stationary CMMs. The volumetric accuracy of a 1.2 meter Infinite 2.0 is +- .0006”, so obviously not better than .0002”, but it is that accurate when evaluated by the ASME B89.4.22.
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  • My experience with CMM arms is limited, but based on it and what I have heard from numerous people with much more experience, in the 40" range you will be lucky if can reliably report +/- .010".

    When you start talking about the range of .0002" environment becomes extremely important even with the best stationary CMMs. There are machines that can do that, but they are in carefully constructed rooms that cost about as much as the CMM itself.

    So, do you have a cool million $ to toss at this?



    I'm not sure what equipment your PCMM experience was with but arms are certified to standards just like stationary CMMs. The volumetric accuracy of a 1.2 meter Infinite 2.0 is +- .0006”, so obviously not better than .0002”, but it is that accurate when evaluated by the ASME B89.4.22.
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