what is the approval meant for in the title block? is it just to approve the drawing or to release for production?
what is the approval meant for in the title block? is it just to approve the drawing or to release for production?
Make it what fits with your company policies, if you have some one review the drawings to release for production it could be for that. Or if you require customer approval it could be that. Or if you require upper management approval it could be for that. I would say most of the time its the person who is reviewing the drawing which will then release it for production.
It's totally diff. here at my company
it's long process from approve dwg to release for production
First approve dwg for sending out (quoting)
There might be some changes based on the suggestion from vendors - then there might be another approve with a new rev
Then approve dwg for making first articles
there might be again some changes after inspecting/testing - then another approve for 2nd articles and so on
Basically it needs few "approve" before it's released for production
You mean someone other than the drafter looks at the drawing? Last place I was not even the shop looked at them.......
lol - .... well said and a flood of memories - the only thing you missed was - that one of the welder/fitter guys was always hitting the sheet metal with his 2 pound hammer to get it to fit right, because the guy cutting the parts decided which side to round up or down the decimal places to a nominal dimension, so one part was one way and the other part could have been the other way... BANG BANG BANG made it fit every time, with big distortions in the corners etc... (Thanks for the memories, lol )
Of course we never make mistakes! LOL!
I would suggest if you have at least two people doing your drafting and design, the 'other' person be your checker. Your (my!) familiarity with what I'm working on might cause you to miss creating that required dimension or adding that section view. They might 'see' your clearance hole as not being the correct size. It could be much more than that too.
A fresh pair of eyes always helps. Then 'they' approve the drawing. In some companies it does go a lot further with manufacturing and quality approvals.
It is always bad practice to both create and check/approve your own drawings. The reason is that the person checking the drawing should have fresh eyes. If you are the one officially checking the drawing you just created, you are likely going to miss the things that you missed in the first place.
Here is a sample from our drawings (although I will admit that I have never actually seen anyone use the MFG or QUALITY portion):
Bernie Daraz has already mentioned the reason but I will reinforce it. To my knowledge almost everyone attempts to make sure they do things correctly. However it can be very easy for the person who created the model and drawing to see what he intended and over look how something actually is. I know I have often caught myself with the "but I know I changed that! Why is it still like before?". That is where a second set of eyes can be a big help.
Yeah, I agree, checking your own work is not good. Invariably you will miss stuff.
In most companies, your co-worker checks your work. In deluxe companies they have a checker person. Hopefully that person isn't too picky/OCD.
Its always good to make a one page check list and check your own work before giving it to the checker. Checkers red-line the drawings and hand them back to you. You have to make all the changes or argue why you're not going to do the changes. Depending upon how well the drawing was made and/or the complexity of the dwg, this process could go several rounds. Simple stuff, but very necessary (if the project is big and complicated.)
Dan
Depends on the company policy who made the drawing. I've had were approved was for releasing the drawings for production and also to approved the design.