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Author Topic: How do you go to "Z" or Home at 100% jog speed  (Read 6218 times)

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Offline Hood

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Re: How do you go to "Z" or Home at 100% jog speed
« Reply #10 on: April 10, 2008, 06:28:34 PM »
Also when you change a setting you can go to the config menu and  clcik on save settings and it should store them to the xml. Otherwise they will only be stored in the xml when you close Mach.
Hood
Re: How do you go to "Z" or Home at 100% jog speed
« Reply #11 on: April 10, 2008, 06:30:09 PM »
I just went back to the machine and pulled up H & L and in there it's telling me that all 3 axis are set at 100%
I don't see in the code where you even see the speed.

As far as the jog speed goes when I enter a value, lets just say 100%; the machine will jog at 100%, but, when I
go to config (anything) like Homing and Limits and hit ok, when I go jog again its back at 4.9%
Where is this value coming from?
Thanks,
Brian

Offline Hood

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Re: How do you go to "Z" or Home at 100% jog speed
« Reply #12 on: April 10, 2008, 06:57:22 PM »
I dont know what is going on with your setup, I open your xml here and its 20% for all axis, also the 4.9% slow jog will change here.
 I have changed the Jog and Homing and limits to 100% and attached the xml. Put this in your Mach3 folder and user the loader to stat this profile and see if its any different.
 One last thing to look at is to make sure your xml is NOT set as read only.
Hood
Re: How do you go to "Z" or Home at 100% jog speed
« Reply #13 on: April 11, 2008, 01:47:19 AM »
Just a suggestion.... how about you post the G-Code file that you have loaded during all of this homing.  Any Chance that you have a Feed Rate of 4.9 written in your code and your "Home" command is a G1 instead of a G0?

Try this- go to your MDI screen and enter something like G0 X10 Y10  Then Try G0 X0 Y0  and let us know how it tracks

HTH- Good Luck,
Sid
Re: How do you go to "Z" or Home at 100% jog speed
« Reply #14 on: April 11, 2008, 07:22:44 AM »
I think I got it. I didn't realize that when I shutdown the machine the, setting would stay.
?is there anyway to setup homing where, when you push go to z it goes 100% until it gets 1" away
from Z then goes to a slower jog like 10%?
Re: How do you go to "Z" or Home at 100% jog speed
« Reply #15 on: April 11, 2008, 09:22:43 AM »
Yes, under the config menu there is a selection Homing/softlimits.  You can adjust the speeds there.

Sid

Offline Hood

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Re: How do you go to "Z" or Home at 100% jog speed
« Reply #16 on: April 11, 2008, 11:29:11 AM »
need clarification on what you are meaning by "is there anyway to setup homing where, when you push go to z"
 These are two totally different things, homing is so that you go to the home switches and then once there Mach knows its position and can then keep a track of it from there. Go to Z is moving all the axis to the offset zero position and is totally independant from homing. You may have your offset and home position at the same place which may seem like these two buttons do the same or similar thing but that is not the case.

 As for slowing down to 10% then no I dont think it can be done. In a home move Mach doesnt really know where it is until it reaches the switch then the home position is set and softlimits can take effect from there. The softlimits that sshneider has mentioned wont really do what you are wanting either as they will slow an axis down as it gets towards the extremes of travel and actually stop it at your extreme so that you dont hit the physical limits. However it wont do this for a Go to Z (Go to Zero) move unless your zero position (offsets zero) is at your true zero (machine zero).
 Hood
Re: How do you go to "Z" or Home at 100% jog speed
« Reply #17 on: April 11, 2008, 11:59:04 AM »
Yeah Hood, that's what I was getting at/thinking regarding adjusting the speeds but you put it into words a helluva lot better.  If your Offset Zero point is the same as your Home/Machine Coord Zero then using the soft limits speed setting will slow down your machine by the user set percentage at the user set range.  If your work Offsets are out in the middle of the table then it won't work.

I guess you could right a custom Go to Zero Macro and write the slow down rate/range in the macro?

Regards,
Sid

Offline Hood

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Re: How do you go to "Z" or Home at 100% jog speed
« Reply #18 on: April 11, 2008, 01:20:45 PM »
Yes Sid that could be done for the Go To Zero but not the homing I dont think as when you Home Mach doesnt know where  it actually is until the homing is complete so no real way of slowing down X distance from a limit if you dont know where that limit is.
 As I read it KNS  seems to be thinking the two functions (Homing and GoToZ) are one in the same, maybe not, I could just be the way I am reading things.

Hood