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Receiving inspection and Vendor FAI's using an arm

My company is looking at Romer and Faro arms. Our typical tolerances for machined and molded plastic parts is +/- .13 mm. Sheet metal tolerances are typically +/-0.3mm. Most of our parts will fit inside of a 300 mm cube so we're looking at the smaller sized arms.

How comfortable would you feel using this equipment with these type of parts and tolerances in a receiving inspection and vendor FAI role?
Parents
  • I agree with Chally in the fact that you have to keep in mind operator input and timing. There are to many times that companies buy these arms thinking they will just throw someone on them and everything will work out with having a plan in place. These still are metrology grade tools that do require some knowledge of inspection and understanding of alignments. These are really good in regards to having as part of your inspection process, but when it comes to fast paced and rerunning lots of parts the conventional cmm can't be beat. With conventional cmms you can put the fixturing and software in place to just load and go. For quick troubleshooting, machine setups, machine alignments, and the ability to have inspection on the floor with a laser scanner to do color mapping you cant beat a arm. Just always remember these are manual and the operator has alot to do with the results and the timing.
Reply
  • I agree with Chally in the fact that you have to keep in mind operator input and timing. There are to many times that companies buy these arms thinking they will just throw someone on them and everything will work out with having a plan in place. These still are metrology grade tools that do require some knowledge of inspection and understanding of alignments. These are really good in regards to having as part of your inspection process, but when it comes to fast paced and rerunning lots of parts the conventional cmm can't be beat. With conventional cmms you can put the fixturing and software in place to just load and go. For quick troubleshooting, machine setups, machine alignments, and the ability to have inspection on the floor with a laser scanner to do color mapping you cant beat a arm. Just always remember these are manual and the operator has alot to do with the results and the timing.
Children
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