Constraint Issues on a V-8 Model

[94m5]

Hello everyone.


I am new to the Inventor world and have a few questions. I have a school project I am working on that involves Revell's "Visible V-8 Engine".


I have the crankshaft set in the block and spinning on the centerline like it should when I spin it manually. Once I constrain the piston centerline to the cylinder bore, AND constrain the Rod's big end to the crankshaft, it locks in to place and will not rotate.

What should I look for as far as constraints on this?

I have gone through the tutorials a few times and see nothing different between the "tutorial assymbley" and my model. If needed, I could send my drawing files to give you an idea as to what I'm talkin' about.


Thanks for your help in advance, I appriciate all of your help. I'll continue drawing the other various parts to occupy my time till I can get a response.

Thanks again.



Mike

[JD Mather]

Zip and attach the ipt files (just the ones involved) and the iam file. (you might need to do a couple of posts depending on file size)

Do the piston and connecting rod move in the bore before constraining to the crank?

[94m5]

Zip and attach the ipt files (just the ones involved) and the iam file. (you might need to do a couple of posts depending on file size)

Do the piston and connecting rod move in the bore before constraining to the crank?



Jeez! I was'nt expecting an answer so soon.



Gimme a few and I'll get em zipped.


In answer to your question, Yes the piston "slides" in the bore. it will also spin on the bore center line.

[94m5]

Here ya go........

I'm REALLY glad there are sites like this. My "instructor" knows Autocad fairly well, but has'nt a clue about Inventor. Sometimes I question the placement of my financial aid. :)

[94m5]

BTW, I am leaving class for the day, I'll be back on here at 8:00 AM, MST.

Thanks for your time.


Mike

[arusho]

We're gonna need all the parts in the assembly. You need to "Pack and go" that and zip it up

Also, don't you have to "add motor" in order for it to move, for some reason i thought I had that problem to until I added "rotation motor". But I am not sure.

[94m5]

That is it for now.



The ONLY things missing are the bolts holding the main caps down. I was hoping that it was something simple that only a n00b could mess up, and you guys could help me through it as is.

[arusho]

The zip file you have posted only contains the .iam. We need all of the .ipt's contained within the .iam.

[94m5]

Is there anyway I can E-mail the zipped file? After compression i'm still showing almost 13,000KB.


Mike

[JD Mather]

Only need the Block, Crank, Piston, Connecting Rod and Piston Pin.
You could open each one of those files and drag the red End of Part marker to the top of the browser and save. Then zip each part and attach individually. By pulling up the EOP before saving the file size will be much smaller. On the other end the receiver need simply unzip and pull the EOP back down.

Do not need any other parts than those listed above (for example rod caps if it has them - don't need them).

[94m5]

Thank you JD...... Doing it now.