It is currently Tue Sep 26, 2017 3:24 am

 

Hypertherm 45XP Fine Cut Help

CommandCNC related questions and tips can be posted to this topic.
ManWithTool
Posts: 2
Joined: Thu Jul 20, 2017 6:50 pm
Contact:

Hypertherm 45XP Fine Cut Help

Postby ManWithTool » Tue Jul 25, 2017 10:48 am

I'm running a new Hypertherm 45XP using CommandCNC looking for "modified with experience" tool tables for 14 and 16g sheet steel. I've been reading as much as I can from this forum, but hoping some experts might be able to help me get thru the learning curve faster.

Can't seem to get CommandCNC to respond to my fine cut questions, but I can see from the forum they are challenging. My typical problem is probe crashing using the book tables.

Thank you for the help!!

motoguy
Posts: 901
Joined: Tue Aug 25, 2015 12:05 pm
Location: Central MO, USA
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby motoguy » Wed Jul 26, 2017 3:20 am

Do a search for Hypertherm toolset. I uploaded a full set a while back.
Bulltear 6x12 w/ Proton Z axis & watertable
CommandCNC/Linux w/ Ohmic & HyT options
Hypertherm Powermax 85 w/ machine torch
Solidworks, Coreldraw X7, Inkscape, Sheetcam

ManWithTool
Posts: 2
Joined: Thu Jul 20, 2017 6:50 pm
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby ManWithTool » Wed Jul 26, 2017 9:38 am

Excellent! thank you. Do you find yourself using the low speed or standard speeds for Fine Cut? What I read, is if you have a decent table, standard speeds are best?

motoguy
Posts: 901
Joined: Tue Aug 25, 2015 12:05 pm
Location: Central MO, USA
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby motoguy » Wed Jul 26, 2017 10:34 am

Correct. Standard speeds are preferable. Low speeds work, but create more dross.
Bulltear 6x12 w/ Proton Z axis & watertable
CommandCNC/Linux w/ Ohmic & HyT options
Hypertherm Powermax 85 w/ machine torch
Solidworks, Coreldraw X7, Inkscape, Sheetcam

User avatar
acourtjester
Elite Contributing Member
Elite Contributing Member
Posts: 2744
Joined: Sat Jun 02, 2012 6:04 pm
Location: Pensacola, Fla
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby acourtjester » Wed Jul 26, 2017 12:46 pm

I think this is an apples and oranges thing when you are moving the probe down that is plunge speed, the cut speed and feed rate is cut speed.
DIY 4X4 Plasma/Router Table
CandCNC DTHC-IV & Feather Touch
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PM 256 tig

motoguy
Posts: 901
Joined: Tue Aug 25, 2015 12:05 pm
Location: Central MO, USA
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby motoguy » Fri Jul 28, 2017 8:06 am

acourtjester wrote:I think this is an apples and oranges thing when you are moving the probe down that is plunge speed, the cut speed and feed rate is cut speed.


Could also have to do with not zero-ing your Z, or setting the material as having a thickness. Or not having your touch off configured correctly (for switch or ohmic).
Bulltear 6x12 w/ Proton Z axis & watertable
CommandCNC/Linux w/ Ohmic & HyT options
Hypertherm Powermax 85 w/ machine torch
Solidworks, Coreldraw X7, Inkscape, Sheetcam

tcaudle
Posts: 731
Joined: Tue Feb 28, 2012 6:47 pm
Contact:

Re: Hypertherm 45XP Fine Cut Help

Postby tcaudle » Fri Jul 28, 2017 3:37 pm

acourtjester wrote:I think this is an apples and oranges thing when you are moving the probe down that is plunge speed, the cut speed and feed rate is cut speed.


As far as touch off :

A touch off move in CommandCNC (or MACH using the Probe input) is rapid at full Z speed down UNTIL you reach the "slow-down zone" Its called Plunge Safety Clearance in SheetCAM ( Job Options), when it reaches that point its supposed to slow down to the touch off speed defined and gently touch off. Its done that way to not was a bunch of time doing a touch off from the rapid height . It the numbers are too small it often hits the material BEFORE the touch off even starts and you get an ugly screen message. If it really close you can get a bad touch off and that makes the resulting lift to pierce height wrong and the initial plunge to cut height wrong.


Return to “CommandCNC - Linux”

Who is online

Users browsing this forum: No registered users and 1 guest