I was given the attached drawing by our Sales group as they want to quote it, but didn't know what some of these drawing symbols meant. There is one on the drawing I am not familiar with - MP2 (?). Is there an expert out there who can help me fill in the blanks as to what it is? How to interpret it & apply it?

Thanks in Advance for aby help. :thanks:

From looking at the drawing, most of them are true position tolerances with no datums attached. It's possibly a reference to whatever the datum is. 'Mid Plane' perhaps? Also possibly it's referring to a pattern of holes being checked for position to something. Whatever it is, I've never ran into it and a couple of the feature control frames are wrong so you're probably alright to ask for clarification from the customer.

I was given the attached drawing by our Sales group as they want to quote it, but didn't know what some of these drawing symbols meant. There is one on the drawing I am not familiar with - MP2 (?). Is there an expert out there who can help me fill in the blanks as to what it is? How to interpret it & apply it?

Thanks in Advance for aby help. :thanks:

I agree with Hawat; the drawing is a mess and you need to talk to the (potential) customer. It's a good thing that your sales people asked for your input before quoting, a practice that can prevent a lot of problems when it comes time to actually make the part (and inspect it).

:thanx: Thanks for the input. I'll have them question the Customer on this.

:thanx: Thanks for the input. I'll have them question the Customer on this.

It might be a mistake to have the sales people do the questioning. It's easy for such a thing to degenerate into multifarious misunderstandings. You explain the problem to your sales person, who then explains it to the customer's purchasing person, who then explains it to the quality manager, who then explains it to an engineer. The chance for your concerns to be accurately transmitted through such a maze of handoffs is practically nil, and these things can go on for weeks. You're the one with the questions, and you should be able to ask them of the source in the most direct way possible.

It might be a mistake to have the sales people do the questioning. It's easy for such a thing to degenerate into multifarious misunderstandings. You explain the problem to your sales person, who then explains it to the customer's purchasing person, who then explains it to the quality manager, who then explains it to an engineer. The chance for your concerns to be accurately transmitted through such a maze of handoffs is practically nil, and these things can go on for weeks. You're the one with the questions, and you should be able to ask them of the source in the most direct way possible.I absolutely agree, with the proviso you talk with the engineer or your quality dept. countepart, NOT the purchasing agent or buyer (who may be only a thinly-disguised clerk who can't read an engineering drawing.)

I absolutely agree, with the proviso you talk with the engineer or your quality dept. countepart, NOT the purchasing agent or buyer (who may be only a thinly-disguised clerk who can't read an engineering drawing.)

Which would be the most direct way, which is what I said.