Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
03 Sep 2019 03:50 #144014
by TexasCNC
Replied by TexasCNC on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
Ok cool I did a test cut and I didnt even pay attention to the up down signals cause I am having a hard time with the probe setting it probes all the way down way too much to where it activate the float switch and puses the process so I adjust it to where it doesnt reach the float switch and it cuts but when its done the z axis goes all the way back up to where tops out and I have to shut it do i need to adjust my travel distnace on the z axis?
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03 Sep 2019 03:58 #144015
by phillc54
Replied by phillc54 on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
No, it is designed that way.
Normally the Z axis minimum limit would be set just below or at the top of your slats.
You would then set probe height to a value above the top of your thickest material.
A cut sequence would be:
probe to top of material
up to pierce height
turn on torch and wait for arc ok
down to cut height
begin cut
at end of cut:
torch off
move up to safe height
rapid to somewhere
move up to near top
Normally the Z axis minimum limit would be set just below or at the top of your slats.
You would then set probe height to a value above the top of your thickest material.
A cut sequence would be:
probe to top of material
up to pierce height
turn on torch and wait for arc ok
down to cut height
begin cut
at end of cut:
torch off
move up to safe height
rapid to somewhere
move up to near top
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03 Sep 2019 04:03 #144016
by phillc54
Replied by phillc54 on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
If you don't want to go to the top then set your Zaxis home position lower but remember when you home the machine you need to have the Z axis at this lower position.
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03 Sep 2019 04:03 #144017
by TexasCNC
Replied by TexasCNC on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
So what would be a usual z min limit cause I have mine at -2.5inch and max 0.5inch. So i would move my Z axis down to top of slat and home it where it will zero it out then put the probe height .125 to be on top of material?
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03 Sep 2019 04:08 #144018
by phillc54
Replied by phillc54 on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
In one ini file you posted it says -4 and 4 and in another it says -1 and 0.
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03 Sep 2019 04:11 #144019
by TexasCNC
Replied by TexasCNC on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
Yeah I been changing it to see what works my z axis has 8 inches travel and I never used that much I took this Z axis from my router table I built when I build this plasma table.
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03 Sep 2019 04:22 - 03 Sep 2019 04:25 #144020
by phillc54
Replied by phillc54 on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
Yep, that is a lot of travel.
Try this:
Try your probe height at 0.5.
After the first homing jog Z down to near the slats and touchoff the Z axis there then jog Z back to the top.
Try this:
- move the Z down to just below the top of the slats and note the dro reading
- move the Z up to the highest you would like it to go and note the dro reading
- za = the difference between the two dro readings
- set your [AXIS_Z] and [JOINT_2] MIN_LIMIT = -0.001
- set your [AXIS_Z] and [JOINT_2] MAX_LIMIT = za + 0.001
- set your [JOINT_2] HOME_OFFSET = za
- set your [JOINT_2] HOME = za
Try your probe height at 0.5.
After the first homing jog Z down to near the slats and touchoff the Z axis there then jog Z back to the top.
Last edit: 03 Sep 2019 04:25 by phillc54.
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03 Sep 2019 04:34 #144021
by TexasCNC
Replied by TexasCNC on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
even though I have this on there?
HOME_SEQUENCE = 0
HOME_SEQUENCE = 0
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03 Sep 2019 04:38 #144022
by phillc54
Replied by phillc54 on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
Yes, this will get your Z heights correct, the HOME_SEQUENCE = 0 allows you to do a "home all" rather than home joints individually.
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03 Sep 2019 04:43 #144023
by TexasCNC
Replied by TexasCNC on topic Upgraded to 2.9 and stuck on 4.6. Add PlasmaC To Base Machine
Ok let me try it quick question i have a sheetcam post processor and using mach 3 with no Z cause that what I use to cut with before I got the proma will that matter right now or could i still use that for future?
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