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Fine cut problem

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waldner33
Posts: 9
Joined: Fri Dec 15, 2017 9:35 pm
Location: Huron Sd

Fine cut problem

Postby waldner33 » Mon Apr 16, 2018 10:07 pm

I use ezgcode creator , I select my 14 ga fine cut and when I check all the settings they are like the hypertherm book , with the hand held pendant I load 14 ga fine cut , preloaded hyperterm parameters , the powermax is set at 45a, when it cuts like around the jagged edges it works but when comes to a straiter line and speeds up it don’t cut so nice so what am I doing wrong ? Ezcut cnc 5x12 ,it cuts nice with 45/65/85 shielded , works good just can’t get fine cut to work , and auto hight works , would it help to turn it down to 40 a and run slower? Any advice would be great .

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jason.jason.p
Elite Contributing Member
Elite Contributing Member
Posts: 123
Joined: Mon Jan 25, 2016 8:35 pm

Re: Fine cut problem

Postby jason.jason.p » Tue Apr 17, 2018 11:20 am

Try 40A @ 120imp thats what I run most often. Only because the THC I have cant keep up with 240 feedrate. still it works good for me very little dross

motoguy
Posts: 1030
Joined: Tue Aug 25, 2015 12:05 pm
Location: Central MO, USA

Re: Fine cut problem

Postby motoguy » Tue Apr 17, 2018 10:40 pm

I run 200ipm, 45a, 88-90v. That's roughly 10% less than finecut book specs. I run into the same issue as you at book specs. I've tried running book speeds with increased cut height (.075-.080), and it still does it.

I'm considering getting away from Finecut altogether due to this issue. Running slower/higher than book completely negates the benefit of Finecut (decreased kerf) for me anyway, so it doesn't really make sense to run them over the standard 45A consumable.
Bulltear 6x12 w/ Proton Z axis & watertable
CommandCNC/Linux w/ Ohmic & HyT options
Hypertherm Powermax 85 w/ machine torch
Solidworks, Coreldraw X7, Inkscape, Sheetcam

waldner33
Posts: 9
Joined: Fri Dec 15, 2017 9:35 pm
Location: Huron Sd

Re: Fine cut problem

Postby waldner33 » Wed Apr 18, 2018 2:19 am

I’ll give that a try guys thanks


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