Creating a dimension with MMB

Hi there,

I need help. I've received a ASME drawing in inches from a client (i usually work on ISO and with mm) and they've demanded that I measure a position with the MMC condition in the hole and for each datums (B and C).
The thing is that i don't know what values i have to put in the datum MMC size and why the third datum (C) appears like a plane in the repport when actually is a hole?

What i need to know is what values do i have to put in the datum MMC size and why the third datum have to be a plane for pc-dmis?

Attached is

the dimension requirement.

Thanks in advance.

Attached Files

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bfire85 over 4 years ago

Thanks for your help. bfire85 you're correct. A is a plane and B and C are holes. Attached is the datum B and C information.

{"data-align":"none","data-size":"large","data-attachmentid":485740}
That's what pc-dmis ask me for.

{"data-align":"none","data-size":"medium","data-attachmentid":485741}

Do not put anything in for the <size>. Go into the other tab, depending on what version you are using it is either Nominals or Advanced...enter the tolerances in there.
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bfire85 over 4 years ago

Thanks for your help. bfire85 you're correct. A is a plane and B and C are holes. Attached is the datum B and C information.

{"data-align":"none","data-size":"large","data-attachmentid":485740}
That's what pc-dmis ask me for.

{"data-align":"none","data-size":"medium","data-attachmentid":485741}

Do not put anything in for the <size>. Go into the other tab, depending on what version you are using it is either Nominals or Advanced...enter the tolerances in there.
Cancel
Vote Up 0 Vote Down

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