huangyhg

ansi sheet metal drawing notes
i am trying to create a standard sheet metal template for our company. we are using soildworks 2003. i am looking for standard sheet metal notes that need to be on the print. can any one give me some guide lines or suggestions on them?
i have already created a general template that has notes that are linked to the custom properties on the model, revision, material, finish, mass, part number and part name.
thank for any help.
m.
sheet metal notes along the lines of...
dimensions taken from true corners.
minimum bend radius required to form without cracking or requiring additiona work when forming.
self-clinching hardware must be pressed from this side, bend accordingly.
appreance part, allow no scratches or abrassions this side.
thanks for the help. i did try to locate some information or other questions out there that were related but did not come up with much of anything. our sompany is not new but never has had any standard drawing format set up... amazing!

m.
don't get too amazed. my company has been in business since 1976, and i constantly find things that need to be documented, standarized and controlled.
huntress,
i don't put any standard notes on my sheet metal drawings. i systematrically specify bend radii on my drawings, and i include details showing what the bend corners look like before bending. i want stress relief radii. i am apply my dimensions carefully so that they are unambiguous. i have read up on and taken a course on the asme y14.5m-1994 standard.
one of the principals of the ansi and iso procedures is that they do not require you to know the language.
if i specify thread inserts in anything, i include the following note "thread inserts are to be installed as per the manufacturer's instructions, after finishing." i think the reasons are obvious.
my biggest problem with other people's sheet metal drawings is that they use drawing templates designed for machined parts, showing standard machining tolerances. sheet metal shops can bend to around +/-.015" accuracy. if you tell them to do +/-.005", they are either going to ingore your tolerances, or they are going to have to clean things up in the machine shop somehow. they are going to consider the fact that the lowest bid gets the job.
jhg
drawoh,
thanks for the input on the sheet metal notes. i'll let the other engineers know to open up their tolerance more on sheet metal parts. i doubt if any use them anyway.
always learning something new.
m.
i noticed the following in an answer to sheetmetal note usage and want to use it as an example relating to drawing notes. take this note to the proper form by stating:
"install threaded inserts after finishing per the manufacturer's instructions."
when you start a note with a command, there is no need for the 'are to be' phrase in that note below.
if i specify thread inserts in anything, i include the following note "thread inserts are to be installed as per the manufacturer's instructions, after finishing."
or perhaps, "install threaded inserts per the manufacturer's instructions after finishing."
(are you installing per the manufacturer's instructions or finishing per the manufacturer's instructions?)

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