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Programing with Romer Arm

WolfMan
I have a few questions about programming with Romer. I have never used it before and was wondering is programming any different from CMM or anything I need to know bedsides its accuracy and repeatability.

So my first q. is Do I need a DCC Alignm. ?

How do i go about locking an Axis, say I need to measure something At X0 Y0, how do I do it with Romer?

Any additional Information info. is appreciated.
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  • DCC stands for Direct Computer Control. Unless you are a robot, everything you do is in manual mode. And being a human, you (as I) are incapable of the precise, repeatable motion of a DCC CMM. This should be taken into account. You can only get out of it, what you put into it, (or Garbage in, Garbage out).

    Especially with the Romer Arm, you have no idea where the part is in the system without an initial alignment. So, if you don't have an initial alignment, you are starting with a part that could be anywhere, using a machine that accounts for its physical orientation to determine vector and probe comp, and then inserting the human component. I think it is even more imperative with an arm that you have an initial and refine alignment.
    I understand that i need manual align, what i dont get is why do i need another alignment if it uses the same datums.
    If i have a simple block plane line line, why do i need 2 align, iys not like the romer will measure it on its own lile cmm does
Reply
  • DCC stands for Direct Computer Control. Unless you are a robot, everything you do is in manual mode. And being a human, you (as I) are incapable of the precise, repeatable motion of a DCC CMM. This should be taken into account. You can only get out of it, what you put into it, (or Garbage in, Garbage out).

    Especially with the Romer Arm, you have no idea where the part is in the system without an initial alignment. So, if you don't have an initial alignment, you are starting with a part that could be anywhere, using a machine that accounts for its physical orientation to determine vector and probe comp, and then inserting the human component. I think it is even more imperative with an arm that you have an initial and refine alignment.
    I understand that i need manual align, what i dont get is why do i need another alignment if it uses the same datums.
    If i have a simple block plane line line, why do i need 2 align, iys not like the romer will measure it on its own lile cmm does
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