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IndustryArena Forum > MetalWorking Machines > Tormach Personal CNC Mill > Does anyone use the Tormach 440 for 1018 cold rolled steel?
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  1. #1

    Does anyone use the Tormach 440 for 1018 cold rolled steel?

    I’m buying a 440 but can find too many specs on people using it for 1018 CR. I make small parts from .75” x .50” stock and want to know if it can handle a DOC of .25 with a WOC of .375 using a 3/8x2" .020" 4FL 1/2" F/L *AlCrN* end mill from Garr tooling. Thanks in advance

    https://www.garrtool.com/search-results/?search=50494&material=&tool=&inch=Inch&fluteDiame ter=&numFlutes=&cornerRadius=&fluteLength=&reachLe ngth=&overallLength=&coating=#

  2. #2

    Re: Does anyone use the Tormach 440 for 1018 cold rolled steel?

    Sorry not .375 WOC but .075 WOC

  3. #3

    Join Date
    Mar 2020
    Posts
    214

    Re: Does anyone use the Tormach 440 for 1018 cold rolled steel?

    Is there a specific reason for that particular tool and those specific cut parameters? I know the 440 will handle 1018 because I've done it (makerspace machine) and that was back when I had NO clue what I was doing. I don't know that it has the power to handle that big of a cut though. I suppose it will depend a bit on your chip load.

  4. #4
    Member
    Join Date
    Jun 2014
    Posts
    1730

    Re: Does anyone use the Tormach 440 for 1018 cold rolled steel?

    My opinion from what I have read over the last few years, I would go with the 770 as it has a much better rapor than the 440.

    I have an 1100 s3 and it is a bit underpowered as well when using larger cutters.
    mike sr

  5. #5
    Member
    Join Date
    Nov 2013
    Posts
    398

    Re: Does anyone use the Tormach 440 for 1018 cold rolled steel?

    .075 radial might be too much load on the 440's motor.
    It might stall.
    I would do more passes, with a lighter radial load. Maybe .015 per pass.

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