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PEM fasteners to sheetmetal

11 REPLIES 11
Reply
Message 1 of 12
Anonymous
981 Views, 11 Replies

PEM fasteners to sheetmetal

I as well as many others I'm sure, regularly use PEM clinch fasteners in
sheetetal parts.
We typically specify the fasteners as part of the sheetmetal piece and the
sheetmetal house supplies the finished part.
Calling out the hole and verbally specifying 'project this side' is a rather
risky scheme....

Other than make assemblies to incorporate these fasteners, are there any
other methods to accomplish this.

Thanks,

Paul
11 REPLIES 11
Message 2 of 12
Anonymous
in reply to: Anonymous

Paul,
We make assemblies of our parts with PEM's in them, and then make the .IDW
based on the .IAM. There is no guessing as to which direction the PEM will
go. Why wouldn't you want to use this method?
Mike

"Paul Younker" wrote in message
news:74E0686B71BDFDA5039D25774C8B0F8E@in.WebX.maYIadrTaRb...
> I as well as many others I'm sure, regularly use PEM clinch fasteners in
> sheetetal parts.
> We typically specify the fasteners as part of the sheetmetal piece and the
> sheetmetal house supplies the finished part.
> Calling out the hole and verbally specifying 'project this side' is a
rather
> risky scheme....
>
> Other than make assemblies to incorporate these fasteners, are there any
> other methods to accomplish this.
>
> Thanks,
>
> Paul
>
>
Message 3 of 12
Anonymous
in reply to: Anonymous

I've tried deriving the assy into a single part, but I prefer the assy
method. I get an accurate parts count, can easily balloon each fastener
type (I almost always have more than one PEM type) and the drawing shows
exactly what I want the vendor to produce. I don't do flat patterns and my
sheet metal house prefers it that way.


--
Hal Gwin
Mechanical Designer
Xenogen
Message 4 of 12
Anonymous
in reply to: Anonymous

Same here. Every part is a assembly .... I still callout the direction even though in
most cases it is obvious.
--
Kent
Member of the Autodesk Discussion Forum Moderator Program


"Mike Maenpaa" wrote in message
news:64BA6A53E09DA19939C37261C447C383@in.WebX.maYIadrTaRb...
> Paul,
> We make assemblies of our parts with PEM's in them, and then make the .IDW
> based on the .IAM. There is no guessing as to which direction the PEM will
> go. Why wouldn't you want to use this method?
> Mike
Message 5 of 12
Anonymous
in reply to: Anonymous

I used to do it that way too.
Then came Inventor.................Now I make assemblies.

"Paul Younker" wrote in message
news:74E0686B71BDFDA5039D25774C8B0F8E@in.WebX.maYIadrTaRb...
> I as well as many others I'm sure, regularly use PEM clinch fasteners in
> sheetetal parts.
> We typically specify the fasteners as part of the sheetmetal piece and the
> sheetmetal house supplies the finished part.
> Calling out the hole and verbally specifying 'project this side' is a
rather
> risky scheme....
>
> Other than make assemblies to incorporate these fasteners, are there any
> other methods to accomplish this.
>
> Thanks,
>
> Paul
>
>
Message 6 of 12
Anonymous
in reply to: Anonymous

Mike,
I suppose it's just a follow over of doing it this way for too many years
(w/pencil!)
Always thought of the parts as essentially an inseparable assy, kind of like
a weldment.
PEM callouts were via a field note and we didn't show a parts list.
So what you do is create a IDW for the sheetmetal part to fab it with, then
an IAM based on the fab detail, install and show/callout PEM's with an on
sheet Parts List?
Then the IAM is used and shows on the next assembly...

My wife accuses me of being extremely resistant to change.... guess I'll
have to show Her....!!

Thanks...


"Mike Maenpaa" wrote in message
news:64BA6A53E09DA19939C37261C447C383@in.WebX.maYIadrTaRb...
> Paul,
> We make assemblies of our parts with PEM's in them, and then make the .IDW
> based on the .IAM. There is no guessing as to which direction the PEM will
> go. Why wouldn't you want to use this method?
> Mike
>
> "Paul Younker" wrote in message
> news:74E0686B71BDFDA5039D25774C8B0F8E@in.WebX.maYIadrTaRb...
> > I as well as many others I'm sure, regularly use PEM clinch fasteners in
> > sheetetal parts.
> > We typically specify the fasteners as part of the sheetmetal piece and
the
> > sheetmetal house supplies the finished part.
> > Calling out the hole and verbally specifying 'project this side' is a
> rather
> > risky scheme....
> >
> > Other than make assemblies to incorporate these fasteners, are there any
> > other methods to accomplish this.
> >
> > Thanks,
> >
> > Paul
> >
> >
>
>
Message 7 of 12
Anonymous
in reply to: Anonymous

Not sure I follow what you are saying below

I make a SM part ... called 0247-01.ipt
then make a Assembly with 0247-01.ipt and all the PEM parts and call it 0247-01.iam
Make a IDW of 0247-01.iam showing all the PEMS in every view. (Except Flat if I show one)
Bom and balloon all the parts. Add direction callouts if needed.

Top assembly only references the iam files such as 0247-01.iam.


--
Kent
Member of the Autodesk Discussion Forum Moderator Program


"Paul Younker" wrote in message

> So what you do is create a IDW for the sheetmetal part to fab it with, then
> an IAM based on the fab detail, install and show/callout PEM's with an on
> sheet Parts List?
> Then the IAM is used and shows on the next assembly...
Message 8 of 12
Anonymous
in reply to: Anonymous

I may be, and probably am, missing a capability in IV6... At what point do
you create an IDW of the IPT (for fabrication), or is it possible to show
all the dimensions at the IAM level?
I create a seperate numbered detail dwg for fab, then use it in a new
numbered assy dwg.
Using your numbers ie;

SM part 0247-01.ipt
SM dwg 0247-01.idw
then to add PEM's, press pins etc;
SM Assy 0248-01.iam (uses 0247-01and other parts)
SM Assy dwg 0248-01.idw (BOM and baloon callouts, directions etc.)

The above scenario allows me to stock (if I desire for spares) seperate bare
sheetmetal (sans PEM's, pins etc.) and also finished parts (incl. PEM's,
pins etc.

I use PartsNow which is wonderful for getting most all of the ancillary
parts that we typically use.
Then of course my next issue is to take these nice parts descriptive names
and assigning them part numbers for purchased part specs. and inventory.

I'm thinking of the logistics of assigning 'part numbers' for identification
and inventory.
Beginning to think I'm doing what I see so many others do....use today's
technology to automate the old manual methods...hmmmm maybe time for an
afternoon of pondering..

Paul

"Kent Keller" wrote in message
news:970A367E99AA55298DD84B52F7099203@in.WebX.maYIadrTaRb...
> Not sure I follow what you are saying below
>
> I make a SM part ... called 0247-01.ipt
> then make a Assembly with 0247-01.ipt and all the PEM parts and call it
0247-01.iam
> Make a IDW of 0247-01.iam showing all the PEMS in every view. (Except Flat
if I show one)
> Bom and balloon all the parts. Add direction callouts if needed.
>
> Top assembly only references the iam files such as 0247-01.iam.
>
>
> --
> Kent
> Member of the Autodesk Discussion Forum Moderator Program
>
>
> "Paul Younker" wrote in message
>
> > So what you do is create a IDW for the sheetmetal part to fab it with,
then
> > an IAM based on the fab detail, install and show/callout PEM's with an
on
> > sheet Parts List?
> > Then the IAM is used and shows on the next assembly...
>
>
>
Message 9 of 12
Anonymous
in reply to: Anonymous

"Paul Younker" wrote in message
or is it possible to show
> all the dimensions at the IAM level?

Yes it is possible......no different than at the IPT level.


> The above scenario allows me to stock (if I desire for spares) seperate bare
> sheetmetal (sans PEM's, pins etc.) and also finished parts (incl. PEM's,
> pins etc.

Ok I see the issue a little better. I never stock SM parts without the parts pressed in.
Couldn't you just call it out on the PO? SM part no pems installed?

(BTW in my scenario, the 0247 is the project # and every part in that project starts with
that number. I guess you would end up with every part being 2 different
parts.....0247-01... plain SM part. 0247-02 SM with pems.

Good luck with it... sounds like your needs in this area are a little more involved than
mine. 8^)

--
Kent
Member of the Autodesk Discussion Forum Moderator Program
Message 10 of 12
jmartzig
in reply to: Anonymous

in a hurry one day...all i did was add a feature(s) on the sheet metal face (a circular extrude to whatever the diameter and height of the pem i was using) then on top of that, i just drilled a threaded hole. this allowed me to still have an ipt with what 'looked' like a pem, and plus, i already had the part in a hefty assy, so this was easiest/quickest. -Joe
Message 11 of 12
Anonymous
in reply to: Anonymous

Same as Kent, we do not stock the bare un-PEM'd metal. We send a drawing of
the part, in it's finished state, including paint finish. We leave it up to
the vendor, to use the appropriate hole size that the PEM needs. Since it
comes in the door as one part, we only use one part number. Most likely, our
vendors will be using their own part number system, so why complicate things
by having them cross reference their two p/n's with our two p/n's.
Mike


"Paul Younker" wrote in message
news:4DDA46C6083619366B318C3D0BF68E98@in.WebX.maYIadrTaRb...
> I may be, and probably am, missing a capability in IV6... At what point do
> you create an IDW of the IPT (for fabrication), or is it possible to show
> all the dimensions at the IAM level?
> I create a seperate numbered detail dwg for fab, then use it in a new
> numbered assy dwg.
> Using your numbers ie;
>
> SM part 0247-01.ipt
> SM dwg 0247-01.idw
> then to add PEM's, press pins etc;
> SM Assy 0248-01.iam (uses 0247-01and other parts)
> SM Assy dwg 0248-01.idw (BOM and baloon callouts, directions etc.)
>
> The above scenario allows me to stock (if I desire for spares) seperate
bare
> sheetmetal (sans PEM's, pins etc.) and also finished parts (incl. PEM's,
> pins etc.
>
> I use PartsNow which is wonderful for getting most all of the ancillary
> parts that we typically use.
> Then of course my next issue is to take these nice parts descriptive names
> and assigning them part numbers for purchased part specs. and inventory.
>
> I'm thinking of the logistics of assigning 'part numbers' for
identification
> and inventory.
> Beginning to think I'm doing what I see so many others do....use today's
> technology to automate the old manual methods...hmmmm maybe time for an
> afternoon of pondering..
>
> Paul
>
> "Kent Keller" wrote in message
> news:970A367E99AA55298DD84B52F7099203@in.WebX.maYIadrTaRb...
> > Not sure I follow what you are saying below
> >
> > I make a SM part ... called 0247-01.ipt
> > then make a Assembly with 0247-01.ipt and all the PEM parts and call it
> 0247-01.iam
> > Make a IDW of 0247-01.iam showing all the PEMS in every view. (Except
Flat
> if I show one)
> > Bom and balloon all the parts. Add direction callouts if needed.
> >
> > Top assembly only references the iam files such as 0247-01.iam.
> >
> >
> > --
> > Kent
> > Member of the Autodesk Discussion Forum Moderator Program
> >
> >
> > "Paul Younker" wrote in message
> >
> > > So what you do is create a IDW for the sheetmetal part to fab it with,
> then
> > > an IAM based on the fab detail, install and show/callout PEM's with an
> on
> > > sheet Parts List?
> > > Then the IAM is used and shows on the next assembly...
> >
> >
> >
>
>
Message 12 of 12
Anonymous
in reply to: Anonymous

I'm curious.

Was this a flat part?

If not, were you
still able to unfold the part?


style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
in
a hurry one day...all i did was add a feature(s) on the sheet metal face (a
circular extrude to whatever the diameter and height of the pem i was using)
then on top of that, i just drilled a threaded hole. this allowed me to still
have an ipt with what 'looked' like a pem, and plus, i already had the part in
a hefty assy, so this was easiest/quickest. -Joe

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