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90 INCREMENTAL MOVEMENT IN TOP LEVEL ASM

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Message 1 of 18
CAD_Woman
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90 INCREMENTAL MOVEMENT IN TOP LEVEL ASM

CAD_Woman
Contributor
Contributor

Hello,

I am trying to setup an indexer to rotate at 90 degree increments for a total of 360 degree. (4 STATIONS)

I have tried the constraints and joints, but obviously I am doing something wrong.

Can someone take a look?

Thank you,

Lorrie

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90 INCREMENTAL MOVEMENT IN TOP LEVEL ASM

Hello,

I am trying to setup an indexer to rotate at 90 degree increments for a total of 360 degree. (4 STATIONS)

I have tried the constraints and joints, but obviously I am doing something wrong.

Can someone take a look?

Thank you,

Lorrie

Labels (2)
17 REPLIES 17
Message 2 of 18
JDMather
in reply to: CAD_Woman

JDMather
Consultant
Consultant

An assembly must include parts.

Inventor parts are in the form of *.ipt files.

Without the *.ipt files the *.iam file is useless.


-----------------------------------------------------------------------------------------
Autodesk Inventor 2019 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional


An assembly must include parts.

Inventor parts are in the form of *.ipt files.

Without the *.ipt files the *.iam file is useless.


-----------------------------------------------------------------------------------------
Autodesk Inventor 2019 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional


Message 3 of 18
SharkDesign
in reply to: CAD_Woman

SharkDesign
Mentor
Mentor

Where are you trying to rotate? In the assembly or in studio?

 

 

  Expert Elite
  Inventor Certified Professional

Where are you trying to rotate? In the assembly or in studio?

 

 

  Expert Elite
  Inventor Certified Professional
Message 4 of 18
Gabriel_Watson
in reply to: CAD_Woman

Gabriel_Watson
Mentor
Mentor

Are you trying to have each station as a model state you can switch to? See attached.

 

Capture186.JPG

Are you trying to have each station as a model state you can switch to? See attached.

 

Capture186.JPG

Message 5 of 18
SBix26
in reply to: CAD_Woman

SBix26
Mentor
Mentor

I'm not sure if this helps or not.  The attached two-part assembly (Inventor 2019 format) uses the rotation-type motion constraint coupled with an angle constraint with a resting position.  As currently set, it has six "rest" positions, but can be very easily modified for any number.

 

SBix26_0-1637120383348.png


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

I'm not sure if this helps or not.  The attached two-part assembly (Inventor 2019 format) uses the rotation-type motion constraint coupled with an angle constraint with a resting position.  As currently set, it has six "rest" positions, but can be very easily modified for any number.

 

SBix26_0-1637120383348.png


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

Message 6 of 18
CAD_Woman
in reply to: SharkDesign

CAD_Woman
Contributor
Contributor

Just rotate in the assembly.

Sorry I didn't realize I did not include the sub-components.

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Just rotate in the assembly.

Sorry I didn't realize I did not include the sub-components.

Message 7 of 18
CAD_Woman
in reply to: Gabriel_Watson

CAD_Woman
Contributor
Contributor
That is a good idea, thank you!
I cannot download files, I think because we are using 2016.
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That is a good idea, thank you!
I cannot download files, I think because we are using 2016.
Message 8 of 18
CAD_Woman
in reply to: SBix26

CAD_Woman
Contributor
Contributor
Thank you for trying.
I cannot download due to us using 2016 (I think).
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Thank you for trying.
I cannot download due to us using 2016 (I think).
Message 9 of 18
SBix26
in reply to: CAD_Woman

SBix26
Mentor
Mentor

Please verify what version of Inventor you're using: click on the drop-down next to the Help question mark and choose About Autodesk Inventor Professional.  What does it say in that box (see sample below)?

 

SBix26_0-1637249429559.png

 

I will reproduce my example in the version you're using (if I can).


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

 

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Please verify what version of Inventor you're using: click on the drop-down next to the Help question mark and choose About Autodesk Inventor Professional.  What does it say in that box (see sample below)?

 

SBix26_0-1637249429559.png

 

I will reproduce my example in the version you're using (if I can).


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

 

Message 10 of 18
CAD_Woman
in reply to: SBix26

CAD_Woman
Contributor
Contributor
Yes I am using 2016.
Thank you!
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Yes I am using 2016.
Thank you!
Message 11 of 18
SBix26
in reply to: CAD_Woman

SBix26
Mentor
Mentor

OK, here is the detent example in 2016 format.  This one has four detent positions, but changing that is as simple as editing the Rotation constraint and changing the ratio from 4 to whatever number you wish.

 

Hope it's useful for you.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

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OK, here is the detent example in 2016 format.  This one has four detent positions, but changing that is as simple as editing the Rotation constraint and changing the ratio from 4 to whatever number you wish.

 

Hope it's useful for you.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

Message 12 of 18
CAD_Woman
in reply to: SBix26

CAD_Woman
Contributor
Contributor
Thank you for setting that up.
I cannot figure out how you got it to move in the 4 increments.
If I grab it now, it just goes around with no stops.
Rt. click over the Angle constraint to "Drive"? If so, what settings?
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Thank you for setting that up.
I cannot figure out how you got it to move in the 4 increments.
If I grab it now, it just goes around with no stops.
Rt. click over the Angle constraint to "Drive"? If so, what settings?
Message 13 of 18
SBix26
in reply to: CAD_Woman

SBix26
Mentor
Mentor

Hmmm.... on my system the ring can only rest in one of four positions.  If you drag it around, does it not jump to the nearest quarter?  It does this because the arrow part is constrained to snap back to zero, and is connected to the ring by a 4:1 rotational constraint.

 

SBix26_0-1637270733884.png

 

But perhaps this isn't really addressing what you need.  Can you describe in a bit more detail what you want for your four-position indexer?  If you actually want to simulate the motion of the indexer by driving the input, that will be more complex, probably involving Simulation, which is a bit above my pay grade.  But for just constraining its rest positions while able to drag it from one position to the next, this does the job.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

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Hmmm.... on my system the ring can only rest in one of four positions.  If you drag it around, does it not jump to the nearest quarter?  It does this because the arrow part is constrained to snap back to zero, and is connected to the ring by a 4:1 rotational constraint.

 

SBix26_0-1637270733884.png

 

But perhaps this isn't really addressing what you need.  Can you describe in a bit more detail what you want for your four-position indexer?  If you actually want to simulate the motion of the indexer by driving the input, that will be more complex, probably involving Simulation, which is a bit above my pay grade.  But for just constraining its rest positions while able to drag it from one position to the next, this does the job.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

Message 14 of 18
CAD_Woman
in reply to: SBix26

CAD_Woman
Contributor
Contributor
I think it may be a software version issue.
I cannot get it to "stop" at the 4-90deg increments. But I will use this information for other setups.
What I need is crazy simple. I am trying to rotate a circular disk around another concentric object in 90 degree increments.
Thank you for trying.
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I think it may be a software version issue.
I cannot get it to "stop" at the 4-90deg increments. But I will use this information for other setups.
What I need is crazy simple. I am trying to rotate a circular disk around another concentric object in 90 degree increments.
Thank you for trying.
Message 15 of 18
Gabriel_Watson
in reply to: CAD_Woman

Gabriel_Watson
Mentor
Mentor
His solution works perfectly. I think you may have been rotating the wrong part (the arrow part can be made invisible, as it is there only to help the functionality).
If you share your assembly with subcomponents (parts) I am sure he would be able to mimic the same constraints and deliver you the finalized work.
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His solution works perfectly. I think you may have been rotating the wrong part (the arrow part can be made invisible, as it is there only to help the functionality).
If you share your assembly with subcomponents (parts) I am sure he would be able to mimic the same constraints and deliver you the finalized work.
Message 16 of 18
CAD_Woman
in reply to: CAD_Woman

CAD_Woman
Contributor
Contributor

I attached the zip file.

I didn't realize my original file did not contain the sub-components.

Maybe I am simply not "driving" the components properly???

Thank you!

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I attached the zip file.

I didn't realize my original file did not contain the sub-components.

Maybe I am simply not "driving" the components properly???

Thank you!

Message 17 of 18
SBix26
in reply to: CAD_Woman

SBix26
Mentor
Mentor

Here is your indexer assembly revised with the detent function added (2016 format).  I simply added the Detent.ipt part that I used in my sample, and constrained it as I did in the sample.  Again, this allows the indexer to be dragged in its one degree of freedom (rotation), but when let go, will snap to the nearest of four angular positions.  This is because it is coupled (by Rotation constraint) to the Detent part, which will rest in only one angular position.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

0 Likes

Here is your indexer assembly revised with the detent function added (2016 format).  I simply added the Detent.ipt part that I used in my sample, and constrained it as I did in the sample.  Again, this allows the indexer to be dragged in its one degree of freedom (rotation), but when let go, will snap to the nearest of four angular positions.  This is because it is coupled (by Rotation constraint) to the Detent part, which will rest in only one angular position.


Sam B
Inventor Pro 2022.2 | Windows 10 Home 21H1
LinkedIn
autodesk-expert-elite-member-logo-1line-rgb-black.png

 

Message 18 of 18
CAD_Woman
in reply to: SBix26

CAD_Woman
Contributor
Contributor
Accepted solution
OK-I got it!
I wasn't snapping to a close 90 degree area.
Now-anyway I can get this to move in the 90 degree increments in a video?
I am trying to show movement seamlessly as it moves to all 4 stations (without me manually moving it)?
I thought that I could achieve this with the drive component???
0 Likes

OK-I got it!
I wasn't snapping to a close 90 degree area.
Now-anyway I can get this to move in the 90 degree increments in a video?
I am trying to show movement seamlessly as it moves to all 4 stations (without me manually moving it)?
I thought that I could achieve this with the drive component???

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