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HELP

thread380-321535

HELP

HELP

(OP)
I am trying to cut 5/8" mild steel with a 2000 watt mazak...I keep leaving dross on the bottom and like welding it back together. If I increase the air I get a wide curf on the top. Here is my cut peramiter I am using..
%                    
:5601
(0.625 HRS)
(STANDARD FOCUS)
(0.077 NOZZLE)
G82P2000Q10R19M69
G88P05M56
G87P10
M32
M20
M22
G04X0.5
G82P2000Q15R21M69
G04X0.5
G82P2000Q20R23M69
G04X0.5
G82P2000Q25R25M69
G04X0.5
G82P2000Q30R27M69
G04X0.5
G82P2000Q35R29M69
G04X0.7
G82P2000Q40R31M69
G04X0.8
G82P2000Q45R33M69
G04X1.0
G82P2000Q50R35M69
G04X1.5
G82P2000Q60R37M69
G04X2.0
G82P2000Q70R39M69
G04X2.0
G82P2000Q80R41M69
G04X2.0
G82P2000Q90R43M69
G04X2.5
G82P2000Q100R45M69
G04X2.5
G82P2000Q700R90M69F24.0
G88P06M56
G87P00
G04X0.5
M99
%
 
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RE: HELP

I have never cut .625" material before but i would start by raising your focus, this will give you a wider beam, thus a wider kerf. (The last time i cut .38" steel i had my focus set at .05" above the material). You need a wider kerf in order to remove all of your material cleanly, but raising your focus will be pointless unless you also use a wider nozzle, which gives you a larger gas flow. You might also want to try going a little bigger than your .077" nozzle. I also saw you are using m69, which i believe is a pulse mode or a pulse cancel. Try running with 100% duty. What type of resonator do you have?

RE: HELP

(OP)

Hey thanks fab3. I will try that and see what happens. Maybe raise the focus about .08" above..and get rid if the M69..(It is a normal pulse mode command)..Do you think G87P00 should be raised as well? Maybe like G87P15 or something?

RE: HELP

(OP)

Oh and about the resonator..I have no clue?

RE: HELP

Im not sure what the g87p does, maybe power ramping or a change in focus. Anyway judging by the rest of the code it looks like you have a mazak laser, probably with a panasonic or prc resonator depending on its age. If you dont like running 100% duty (continuous wave) try using m67, this is "hyperpulse" on prc resonators...if you have one its the best option for pulsing most materials, besides small holes.

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