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How would you do this?

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Message 1 of 14
Anonymous
265 Views, 13 Replies
‎02-10-2003 05:34 AM
‎02-10-2003 05:34 AM

How would you do this?

I've got a 20 ft stick of 3/8 in x 5 inch steel flat bar.

Looking at the 20 ft x 5 inch surface, I want to cut the ends at a 45
degree angle, but I also want that surface (the cut surface) to be at a
45 degree angle.

How would you model this?

The way I did it:
1. Draw the 3/8 x 5 profile
2. Extrude to length
3. Sketch 45 cut on top surface
4. Negative Extrude to cut it away
5. Make work axis on 45 deg edge
6. Make work plane thru work axis, specifying 45 degree tilt
7. Draw oversized rectangle on work plane
8. Negative extrude everything that falls inside rectangle.

There must be an easier way... I really don't like the drawing an
oversized rectangle. I'd rather project the edges that I need to, but
they don't project like a cutting plane, they project like casting a shadow.

TIA,
-Jason
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13 REPLIES 13
Message 2 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 05:41 AM
‎02-10-2003 05:41 AM

Ho about using the split tool and discarding the cut bit for the second 45
miter cut?

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
----------------------------------------------------------------------------
------
"Jason M" wrote in message
news:75CD977D9E9F786021430D5BE0C943D3@in.WebX.maYIadrTaRb...
> I've got a 20 ft stick of 3/8 in x 5 inch steel flat bar.
>
> Looking at the 20 ft x 5 inch surface, I want to cut the ends at a 45
> degree angle, but I also want that surface (the cut surface) to be at a
> 45 degree angle.
>
> How would you model this?
>
> The way I did it:
> 1. Draw the 3/8 x 5 profile
> 2. Extrude to length
> 3. Sketch 45 cut on top surface
> 4. Negative Extrude to cut it away
> 5. Make work axis on 45 deg edge
> 6. Make work plane thru work axis, specifying 45 degree tilt
> 7. Draw oversized rectangle on work plane
> 8. Negative extrude everything that falls inside rectangle.
>
> There must be an easier way... I really don't like the drawing an
> oversized rectangle. I'd rather project the edges that I need to, but
> they don't project like a cutting plane, they project like casting a
shadow.
>
> TIA,
> -Jason
>
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Message 3 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 05:42 AM
‎02-10-2003 05:42 AM

I guess I should have added this:

Place a workplane on the edge tilted at 45deg and the use this as the split
face for the split tool. Remove the extra bit on the outside of the
workplane.

And Ho should be How...

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
----------------------------------------------------------------------------
------
"Sean Dotson" wrote in message
news:09DC6D98042FEAA9FEF3148BCAAD6232@in.WebX.maYIadrTaRb...
> Ho about using the split tool and discarding the cut bit for the second 45
> miter cut?
>
> --
> Sean Dotson, PE
> http://www.sdotson.com
> Check the Inventor FAQ for most common questions
> www.sdotson.com/faq.html
> --------------------------------------------------------------------------
--
> ------
> "Jason M" wrote in message
> news:75CD977D9E9F786021430D5BE0C943D3@in.WebX.maYIadrTaRb...
> > I've got a 20 ft stick of 3/8 in x 5 inch steel flat bar.
> >
> > Looking at the 20 ft x 5 inch surface, I want to cut the ends at a 45
> > degree angle, but I also want that surface (the cut surface) to be at a
> > 45 degree angle.
> >
> > How would you model this?
> >
> > The way I did it:
> > 1. Draw the 3/8 x 5 profile
> > 2. Extrude to length
> > 3. Sketch 45 cut on top surface
> > 4. Negative Extrude to cut it away
> > 5. Make work axis on 45 deg edge
> > 6. Make work plane thru work axis, specifying 45 degree tilt
> > 7. Draw oversized rectangle on work plane
> > 8. Negative extrude everything that falls inside rectangle.
> >
> > There must be an easier way... I really don't like the drawing an
> > oversized rectangle. I'd rather project the edges that I need to, but
> > they don't project like a cutting plane, they project like casting a
> shadow.
> >
> > TIA,
> > -Jason
> >
>
>
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Message 4 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 05:54 AM
‎02-10-2003 05:54 AM

Hmmm... here's another one. I just finished this part and made the
initial 'lenfrh' extrusion adaptive. Placed it into an assembly and
started to mate it up to other parts. (It's adaptive in the assy too.)
Well, when I constrain it so that it should adapt to the right length,
it just won't adapt. No clue why. I used to adapt, when it was just
flat pieces... but now that I want a mitre relief for my weld joint it
just won't adapt.

I've run into this kind of problem before, things just don't adapt for
some reason. Anyone have any clues for me?

-Jason

Jason M wrote:
> I've got a 20 ft stick of 3/8 in x 5 inch steel flat bar.
>
> Looking at the 20 ft x 5 inch surface, I want to cut the ends at a 45
> degree angle, but I also want that surface (the cut surface) to be at a
> 45 degree angle.
>
> How would you model this?
>
> The way I did it:
> 1. Draw the 3/8 x 5 profile
> 2. Extrude to length
> 3. Sketch 45 cut on top surface
> 4. Negative Extrude to cut it away
> 5. Make work axis on 45 deg edge
> 6. Make work plane thru work axis, specifying 45 degree tilt
> 7. Draw oversized rectangle on work plane
> 8. Negative extrude everything that falls inside rectangle.
>
> There must be an easier way... I really don't like the drawing an
> oversized rectangle. I'd rather project the edges that I need to, but
> they don't project like a cutting plane, they project like casting a
> shadow.
>
> TIA,
> -Jason
>
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Message 5 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:01 AM
‎02-10-2003 06:01 AM

Okay... that's easier. Never knew what the split tool was before. But
it still won't adapt.


-Jason


Sean Dotson wrote:
> I guess I should have added this:
>
> Place a workplane on the edge tilted at 45deg and the use this as the split
> face for the split tool. Remove the extra bit on the outside of the
> workplane.
>
> And Ho should be How...
>
> --
> Sean Dotson, PE
> http://www.sdotson.com
> Check the Inventor FAQ for most common questions
> www.sdotson.com/faq.html
> ----------------------------------------------------------------------------
> ------
> "Sean Dotson" wrote in message
> news:09DC6D98042FEAA9FEF3148BCAAD6232@in.WebX.maYIadrTaRb...
>
>>Ho about using the split tool and discarding the cut bit for the second 45
>>miter cut?
>>
>>--
>>Sean Dotson, PE
>>http://www.sdotson.com
>>Check the Inventor FAQ for most common questions
>>www.sdotson.com/faq.html
>>--------------------------------------------------------------------------
>
> --
>
>>------
>>"Jason M" wrote in message
>>news:75CD977D9E9F786021430D5BE0C943D3@in.WebX.maYIadrTaRb...
>>
>>>I've got a 20 ft stick of 3/8 in x 5 inch steel flat bar.
>>>
>>>Looking at the 20 ft x 5 inch surface, I want to cut the ends at a 45
>>>degree angle, but I also want that surface (the cut surface) to be at a
>>>45 degree angle.
>>>
>>>How would you model this?
>>>
>>>The way I did it:
>>>1. Draw the 3/8 x 5 profile
>>>2. Extrude to length
>>>3. Sketch 45 cut on top surface
>>>4. Negative Extrude to cut it away
>>>5. Make work axis on 45 deg edge
>>>6. Make work plane thru work axis, specifying 45 degree tilt
>>>7. Draw oversized rectangle on work plane
>>>8. Negative extrude everything that falls inside rectangle.
>>>
>>>There must be an easier way... I really don't like the drawing an
>>>oversized rectangle. I'd rather project the edges that I need to, but
>>>they don't project like a cutting plane, they project like casting a
>>
>>shadow.
>>
>>>TIA,
>>>-Jason
>>>
>>
>>
>
>
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Message 6 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:09 AM
‎02-10-2003 06:09 AM

not sure if i understand exactly what you want but couldn't you just do a
.375 chamfer after step 4?

Matt
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Message 7 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:09 AM
‎02-10-2003 06:09 AM

Wow! That's even easier than Sean's method!

Still having adaptability issues, though.

-Jason

Matt Stocking wrote:
> not sure if i understand exactly what you want but couldn't you just do a
> .375 chamfer after step 4?
>
> Matt
>
>
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Message 8 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:11 AM
‎02-10-2003 06:11 AM

When did you mention adaptability. Did I miss something?

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
----------------------------------------------------------------------------
------
"Jason M" wrote in message
news:137FD5878CCEEEE0AE4B1B2501C974A7@in.WebX.maYIadrTaRb...
> Wow! That's even easier than Sean's method!
>
> Still having adaptability issues, though.
>
> -Jason
>
> Matt Stocking wrote:
> > not sure if i understand exactly what you want but couldn't you just do
a
> > .375 chamfer after step 4?
> >
> > Matt
> >
> >
>
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Message 9 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:11 AM
‎02-10-2003 06:11 AM

I didn't realize the adaptability problem until after my first post.

Sean Dotson wrote:
> When did you mention adaptability. Did I miss something?
>
> --
> Sean Dotson, PE
> http://www.sdotson.com
> Check the Inventor FAQ for most common questions
> www.sdotson.com/faq.html
> ----------------------------------------------------------------------------
> ------
> "Jason M" wrote in message
> news:137FD5878CCEEEE0AE4B1B2501C974A7@in.WebX.maYIadrTaRb...
>
>>Wow! That's even easier than Sean's method!
>>
>>Still having adaptability issues, though.
>>
>>-Jason
>>
>>Matt Stocking wrote:
>>
>>>not sure if i understand exactly what you want but couldn't you just do
>>
> a
>
>>>.375 chamfer after step 4?
>>>
>>>Matt
>>>
>>>
>>
>
>
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Message 10 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 06:24 AM
‎02-10-2003 06:24 AM

this would be easier to help with if you could post the files that need to
adapt to each other.

Matt
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Message 11 of 14
ArtC
in reply to: Anonymous
‎02-10-2003 07:03 AM
‎02-10-2003 07:03 AM

He can make a 5"x45deg chamfer and a 3/8" x 45deg chamfer.
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Message 12 of 14
ArtC
in reply to: Anonymous
‎02-10-2003 08:55 AM
‎02-10-2003 08:55 AM

If you are trying to adapty to a odd angled surface try this. Extrude to a work plane. Make the work plane adaptive.
in the assembly constrain the work plane to the odd angle surfase.
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Message 13 of 14
Anonymous
in reply to: Anonymous
‎02-10-2003 04:47 PM
‎02-10-2003 04:47 PM

See "Adaptive cross brace isn't adaptive" in IV6.0, approx 18th Jan.

--
Laurence,

Power is nothing without Control
---


"Jason M" wrote in message
news:7500579E843FE50A1994CD35002D4D52@in.WebX.maYIadrTaRb...
> I didn't realize the adaptability problem until after my first post.
>
> Sean Dotson wrote:
> > When did you mention adaptability. Did I miss something?
> >
> > --
> > Sean Dotson, PE
> > http://www.sdotson.com
> > Check the Inventor FAQ for most common questions
> > www.sdotson.com/faq.html
>
> --------------------------------------------------------------------------
--
> > ------
> > "Jason M" wrote in message
> > news:137FD5878CCEEEE0AE4B1B2501C974A7@in.WebX.maYIadrTaRb...
> >
> >>Wow! That's even easier than Sean's method!
> >>
> >>Still having adaptability issues, though.
> >>
> >>-Jason
> >>
> >>Matt Stocking wrote:
> >>
> >>>not sure if i understand exactly what you want but couldn't you just do
> >>
> > a
> >
> >>>.375 chamfer after step 4?
> >>>
> >>>Matt
> >>>
> >>>
> >>
> >
> >
>
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Message 14 of 14
henryanthony
in reply to: Anonymous
‎02-10-2003 08:52 PM
‎02-10-2003 08:52 PM

How about this: Sketch the 20' x 5" profile with the 45 degree angle at the end. Then extrude .375".

Best regards,

Henry
Inventor Mentor
FIRST Robotics Team 301
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