topic Re: Inventor CAM using 100% CPU generating toolpaths in Machining Discussions Forum

Inventor CAM using 100% CPU generating toolpaths

Anonymous — Thu, 02 Dec 2021 04:27:45 GMT

Hello, I'm using Inventor CAM and just generating a simple Horizontal 3D toolpath takes forever, (not to mention how awfully long it takes to regenerate an entire program after making a sketch or anything) and its using 100%CPU and hardly any RAM or GPU (not sure if GPU is even used generating toolpaths but thought id mention) I will attach a snip from task manager that was taken while generating a Horizontal toolpath.

Machine specs are:

Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz 2.59 GHz

32.0 GB (31.8 GB usable) RAM

64-bit operating system, x64-based processor

16GB integrated GPU

I cant force it to use the good Nvidia driver as its a contracted laptop for the company im doing work for and cant change anything without admin

Re: Inventor CAM using 100% CPU generating toolpaths

Anonymous — Mon, 06 Dec 2021 16:03:29 GMT

Anyone? Is this just common using Inventor??? I even had the IT check it out and he said its probably just this software

Re: Inventor CAM using 100% CPU generating toolpaths

FTKnur — Tue, 07 Dec 2021 09:51:39 GMT

Hi @Anonymous,

my CPU usage is at 100% if i calculate a 3D-Operation ... seems normal.

The time to calculate depends on some Options in the operatin (Tolerance, finishing steps ...)

Can you attach your file or make some pictures of your operation?

Re: Inventor CAM using 100% CPU generating toolpaths

Anonymous — Wed, 08 Dec 2021 19:33:19 GMT

@FTKnur Thansk for the reply! And this company wont let me share ANYTHING because they're ITAR compliant. But thats insane. I had a large 3d adaptive roughing toolpath using a high feed mill that just absolutely would not generate so i had to break it into 6 different steps. I just think its crazy to have to wait an hour for toolpaths to generate if I even make a sketch or anything its nuts, I dont know how people use this software. In fusion it would take 10 minutes, (and dont have to regenerate if i do something as simple as make a sketch. )

Re: Inventor CAM using 100% CPU generating toolpaths

FTKnur — Thu, 09 Dec 2021 07:50:49 GMT

If your calculation is finished you can lock the operation ... right klick on it and "protect"

https://help.autodesk.com/view/INVCAM/2020/ENU/?guid=GUID-2BBE16F3-90E8-4BBB-B348-33DC1EBE411E

also you have to select this in the cam:

sorry for the german text ... can't restart now to change 😄

This option is realy fast if you don't have large bevel edges. The calculation starts only at every 39mm and all flat areas will be milled afterwards. If you change the second 39mm to .. e.g. 1mm (Fine Stepdown) the calculation will be done at every mm and takes hours for a large part.

Re: Inventor CAM using 100% CPU generating toolpaths

Anonymous — Thu, 09 Dec 2021 21:16:40 GMT

@FTKnur Thank you very much!! I really appreciate it!

Re: Inventor CAM using 100% CPU generating toolpaths

turbobug64 — Wed, 05 Jan 2022 16:24:50 GMT

I am pretty sure that anything Autodesk is NOT ITAR compliant since they have servers that are overseas.