Why are run times different from CC to CM?

Software Carbide Motion
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When I use Carbide Create my total time is 111 min. When I load the file in Carbide Motion it was almost 3 hours. Any ideas why?

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This subject has come up many many times. Part of the problem in CM estimates is the actual cutting time may be correct but I dont think the can or do calculate all the non cutting times like bit changes and things like that.

When I run a project I just take both CC and CM estimates with a grain of salt. They are never even close. I just run the job and let the Shapeoko take as long as it takes.

I know that is not a really great answer but it is reality. I understand from folks here on the forum that Vetric is a little more close in time to cut a project.

2 Likes
3

Fusion 360 does not include machine specific limitations in it’s Machine Time calculations.

https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Machining-time-in-Fusion-360-does-not-match-actual-machining-time.html#:~:text=Fusion%20360%20calculates%20machining%20time,varies%20from%20machine%20to%20machine).

4

Thanks, I kinda figured that but thought I would ask anyway.

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