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sheet metal

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Newbie

sheet metal

Is there a way to get ProE to automatically convert and place the first
wall dimensions onto the bent drawing?

Thanks,


PrestonWEINTRAUB
ENGINEERING LEAD--STOVETOP FIRESTOP
WilliamsPyro
200 Greenleaf Street
Fort Worth, Texas 76107
817| 870.8022 Direct
817| 872.1500 Ext. 122
817| 872.1599 Fax
www.williams-pyro.com <http: www.williams-pyro.com="/>


9 REPLIES 9
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Sheet Metal

Pro users

This is a question for users of sheetmetal or any one that can answer
this.

I have a part that I need to put a pattern of cuts in . The pattern is
based on a axis and at different angles ranging from 35deg to 343Deg. I
used a pattern table. The problem I get into is that after a certain
degree it won't work or mirrors itself on the opposite side.

Can any one answer or help me on this.

The RANT.

Now I have a issue with this why can't PTC solve these problems. I can
pattern the part if the angles are all equal but not if they are
different and they seem to go past 140 deg. Do other people see a
problem with this I have spent 1 1/2 days to get this to work when it
does ,"yea", I figured it out then I put another feature in and regen
and the pattern fails again. This is a BIG waste of time and money. Oh I
can put a call in for it and get put on a list that will take 5 years to
have the problem solved. with 5 new releases . The thing that bothers me
is that how long has this problem been around??? When will PTC start
reading these lists and acting on them in a timely matter. Unfortunately
I feel this will fall on deaf ears at PTC, and I will go back to trying
to find a work around to this problem, spend more money and time, and
wait for future releases to hopefully solve the problem.

These RANT does not reflect the views of L3 communications

Wildfire 2 M280
Intralink 3.4 M050

Stan Kline
Senior Designer R&D

L-3 communications
BT Fuze Products
1650 Manheim Pike
Suite 201
Lancaster, PA 17601-3088
Highlighted

Sheet Metal

Users

1st I want to thank all that sent me information on this issue. Most I
have tried already.
All the ideas of using datum planes all failed in that it keep mirroring
the sketch at some time through the patterning process

2nd I tried ,and it seams to be working, another way . I went and made a
construction line, ref only sketched items, in the sketch and dim it
off the the default datum plan. then I did a table pattern. it seems to
be working for now. All the ideas of using datum planes all failed in
that it keep mirroring the sketch at some time through the patterning
process.

I want to wish Chris Gosnell good luck in getting the SPR he has on this
issue resolved in future releases. Unfortunately PTC has a running track
record of poor performance in this area. I have seen this since release
14/15.

Yes PTC I am bashing you on this you have a great program, that's why
you have so many people that are die hard Pro users, but when it comes
to issues like this you drop the ball so bad it makes us, the users, so
frustrated.

Thanks again for your support everyone.

Stan


Highlighted

Sheet Metal

The reason this happens has to do with geometry. An axis, by geometry
definition, is infinite in length and has no 'direction' or no way to
distinguish one end from the other. So, you take an axis and start
spinning it around a point and when you get to 180 degrees, it's the
same as it was in the beginning. That's why Pro|E 'flips' the sketch at
that point. I suppose that PTC could have given their axis a direction
vector for this purpose, but they didn't. I think the non-directional
axis better represents geometry definitions anyway.

If you create a datum on the fly for your reference plane (the plane
used as top, right, left or bottom) when creating your sketch and align
the axis to that plane that should solve the problem. Then pattern the
plane and reference pattern the feature, or group them (Pro|E does that
for you now when you create the datum on the fly) and the pattern should
work just fine. You have to make sure you use the created plane as the
reference plane and only align to that plane and the axis you want to
pivot around to get it to work well.

Lastly, you can now do an 'axis pattern' rather than a dimension pattern
that I believe eliminates this problem as well. That method is a bit
easier IMO.

Doug Schaefer
--
Doug Schaefer | Experienced Mechanical Design Engineer
LinkedIn
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Sheet Metal

Just to add a little: the Axis Pattern technique works extremely well,
with one bug.

If you pattern a revolved feature using a plane on-the-fly, showing the
axes in a drawing gives you (correctly) a pitch circle, with centrelines
aligned to the centre of the pattern.

If you use Axis Pattern, you get a set of separate crosshair axes, all
aligned horizontally/vertically, which means the best you can do is to
manually align each crosshair to the central axis, and draw a pitch
circle as a draft entity if you want one.

Regards,
Jonathan


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Sheet Metal

Jonathan,

If you change the drawing option radial_pattern_axis_circle to yes, it
will display the Axis Pattern axes as your first example.

V.R.
James

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Sheet metal

Creo users,

I’m having a problem with sheet metal in Creo 1.0 . Is there anyone having a problem with bringing in a punch form part into the sheet metal part. I create a simple flat sheet. Then create a punch form and bring it into the flat sheet and create a punch form. Soon as I pick the punch form from the list and click open, Creo crashes.

Regards,
Brad

Creo 1.0

W7-64







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Sheet metal

Mr. Brad Mozley,



There HAS to be more to the story than what you are describing. Have you tried creating this form feature as a die rather than a punch?



Michael P. Locascio


Sheet metal

It seems to work fine on my system. (Creo Parametric 1.0 F000, W7-64)

I tried creating a new punch and using one made in a previous build and there was no difference.

As an aside, PTC has done well on the new dashboard interface for this feature; a definite improvement!


Regards,
James
Highlighted

RE: Sheet metal

I have similar problem. In F000 it crashed if I used the pulldown list. If I opened from disk it was ok. In M010 I get into the assemble mode but can't choose any references.

In Reply to Brad Mozley:


Creo users,

I’m having a problem with sheet metal in Creo 1.0 . Is there anyone having a problem with bringing in a punch form part into the sheet metal part. I create a simple flat sheet. Then create a punch form and bring it into the flat sheet and create a punch form. Soon as I pick the punch form from the list and click open, Creo crashes.

Regards,
Brad

Creo 1.0

W7-64







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