I have a flat ring, (.035" thick) and I am trying to extrude cut a spiral into it at a depth of . 016". Is this possible?
Picture is attached, basically I want that spiral to be cut into the ring at given depth.
Your example helped me greatly, thank you for attaching that file. That made me realize what I was doing wrong. I wasn't creating the reference plane off the right faces and sketching off of that. Thank you!
that answered it quite promptly.
I think I showed them 1 way of how to achieve it
Jason Young wrote: that answered it quite promptly. I think I showed them 1 way of how to achieve it
Jason Young wrote:
...assuming he wants the bottom of the cut to be round and not flat (it's a reasonable assumption, and probably correct, but we don't know for sure).
What version of SolidWorks are you running?
Attach the *.sldprt file of your attempt here.
Did you get it figured out?
Sorry for the late response...
No I haven't figured out how to do what I want exactly, but I have figured out how to do what was posted above by Glenn. But, I forgot one detail in my description.
I have attached a new picture, to represent what I want in a way.
The extruded cut needs to be at a 45° angle into the face. It's basically like a thread, from a certain diameter in the face, to the I.D. of the part. Somewhat resembling what I attached, but not separate slits, one threaded slit (in the form of a spiral). If that makes sense.
Thanks for all of the replies though!
I'd encourage you to do as J. Mather suggested, and post your file here. See How can I attach a file to a forum post? for instructions if you aren't familiar with the process.
that's exactly what I want, I can't seem to get the sweep operation to succeed though. I'm kind of new to SW and this feature is definitely new to me.
Kyle Litwin wrote: ... I'm kind of new to SW and this feature is definitely new to me.
Kyle Litwin wrote:
... I'm kind of new to SW and this feature is definitely new to me.
I can walk you through step-by-step, but first thing I notice is that there are no dimensions on your first sketch.
What happened to the dimensions?
Second thing I notice is that the Pitch for the spiral does not appear "logical" to me.
What are you designing and what source information do you have for completing the design?
Thanks, I figured it out. I wasn't creating the reference plane properly and sketching off the reference plane.
Kyle Litwin wrote: Thanks, I figured it out. I wasn't creating the reference plane properly and sketching off the reference plane.
I recommend that you Attach your "solution" file here.
Yes, the pitch can be anywhere from .028 to .030. So that is correct.
How will you manufacture the geometry?
How will you inspect the geometry?
Why, oh why, take out to 8 decimal places if not inspectable or manufacturable?
Convince me that it is correct.
It is just a representation of something we already manufacture here. I needed a visual representation of it. We grind custom carbide tooling (to make the "thread" in the ring) and use a carbide knife to cut this off of a billet on a lathe. Both manual and CNC. (Note: this is not metal, it's a soft material.)
And as for inspecting, tool geometry is inspected at time of grinding. Angle is inspected at time of setup on machine. Pitch is programmed on CNC lathe or set on the manual lathe as far as feed rate. Our manual lathe gearing is upgraded to achieve this pitch.
We have slight tolerances on pitch, depth and angle.
Depth is .016 ±.001
Pitch is .029 ±.001
Angle is 45° ±1°
I recommend that you start using logical dimensions in your design stage.
It's already been done. What was uploaded to this forum, is not what i'm using for the model I needed. This was just a dummy experiment to get basic knowledge on how to do it properly. But thanks and will do! Have a great day.
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