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Messages - BR549

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4541
General Mach Discussion / Re: Gcode logging/tracing
« on: March 13, 2012, 12:50:35 PM »
Is it possible??   YES.  Probably fairly simple. 

Has it been done with MACH3?    NOT that I know of.

THere are programs to do Fanuc and other styles Macros with variables.

Brian has made noise of including something close in mach4. Being able to see the #var values on the fly while running a Gcode program.

Maybe one of the savy programmers on here will take the challenge(;-)

(;-) TP

4542
General Mach Discussion / Re: Gcode logging/tracing
« on: March 13, 2012, 12:48:09 PM »
Double post

4543
VB and the development of wizards / Re: Wizard DXF import
« on: March 12, 2012, 05:14:48 PM »
IT is not unorthodox in the CNC world it is called Conversational programming. You define what you need through an interaface and then the CNC creates the proper Gcode. It can be done many ways.

Macro programming
SubProgram programming
Parametric programing
Wizards programming

Or a mixture of methods.

IF you have your shapes already defined it is a matter of placement and code creation.
IF you are to use ToolComp to adjust for tool offsets then the shapes MUST be programmed with TC in mind.  No way out of that one (;-)

Let us know how it works out, (;-) TP


4544
Feature Requests / Re: CV bad behaviour need improvement
« on: March 12, 2012, 01:31:59 PM »
CV is NOT going to fix your floppy machine. YOU have to do that part(;-) AS to LOST steps that is a simple point that the mootrs cannot go any faster or quicker in accel and they loose steps. May need to repower the machine with stronger motors/drives.

OR just slow things down within the boundaries of your machine capabilities.

There IS info here on the use of CV it was written by "Stirling" DO a search and read up on it.

Just a thought, (;-) TP

4545
VB and the development of wizards / Re: Wizard DXF import
« on: March 12, 2012, 01:27:14 PM »
SO how is a wizard going to be better than a CAM . Both you will have to STOP the program then update the info and then reload and restart.

G10L1 is an answer as Ray has already stated.

Also a parametric Gcode program could do the job. 

Also a CB macro button could be used to update the ToolTable.

BUT to get any of them to work correctly ON THE FLY will take some time and testing. IT WILL require that ALL your tool Paths be programmed with ToolComp offsets G41/42/40 to be able to USE the tooltable.

You WILL have to learn to use them and apply them.

WHAT you are doing is really NOT unique. It is a basic toolpath adjustment via the tooltable.Been going on for decades.

Just a thought, (;-) TP

4546
General Mach Discussion / Re: home sequence
« on: March 12, 2012, 01:04:37 PM »
OK with Mach3 ,

Machine Home (zero)
 Can be set by switches,
OR REhome Button if you have no switches,
OR is set by mach when you OPEN it to the current position
OR can be zeroed to a postion via CB
OR rumored to be settable via #vars 5161-5166 (untested as yet)

Moves to get to machine home,

G53 X0 Y0 Z0 ------- Makes a straight traverse run to Machine Zero

With G30 ALL axis go home
G30 --------------------- Makes a straight traverse move to machine zero
G30 Z0 ------------------Makes a single Z move to Zero THEN all AXIS make a straight traverse move to Machine zero
G30 Z0 X0--------------Makes a Straight traverse move to Z0 X0 then all axis makes a straight traverse move to machine zero
ETC,ETC

Local Home(G28), Is an offset from Machine ZERO.  With G28 without defined axis all axis goes home in the order of Z then all the rest. USED with a defined axis ONLY the defined axis goes home via the intermediate point.

It can be the same as Machine zero or different as defined

Moves to get to Local Home

G28 ----------------- Raises Z first then makes straight traverse moves in XY to Local Home(LH)
G28 Z-1 ------------ Single axis move to intermediate point(-1.000) and then goes to Z0. Z axis ONLY goes to LH
G28 Z0 X0 --------  ONLY the defined AXIS will go to LH UNDEFINED axis remain as is . Makes a straight traverse move in ZX to 0 then ZXmoves in a   straight traverse move to LH.
ETC,ETC

Part HOME ( Part Origin, X0Y0 Z0)

G0 Z0 X0Y0 ----------------- Makes a straight traverse RAPID move to Z0 X0Y0
G1 Z0 X0 Y0 ---------------- Makes a straight traverse FEERATE move to Z0 X0 Y0

Fixture Home  

G55 G0 Z0 X0 Y0  -------- Swithes the Fixture offset then goes to X0 Y0 Z0 as straight traverse move at rapid speed
G56 G1 Z0 X0 Y0 F100 --------- Swithes the fixture offset then goes to X0 Y0 Z0 as straight traverse move at feedrate speed



*************************************************

You will note that the G28/30 in MACH3 is backwards to FANUC . In the fanuc world the G30 local Homes can be set in the parameters AND there can be MANY etc;  G30 G30.1 G30.2 G30.3 etc,etc

Also the Axis calls in G28/30 are different from each other. In g28 you can call a single axis to home, in G30 ALL axis go home reguardless

Just a thought, (;-)TP

4547
General Mach Discussion / Re: home sequence
« on: March 12, 2012, 11:54:26 AM »
Do you want the short or long story(;-) ???

(;-) TP

4548
General Mach Discussion / Re: nesting subroutines
« on: March 12, 2012, 11:42:33 AM »
YEs you can nest a sub , depth will depend on what you have created(;-) 3 is normal . BUT it will depend on if you use tool comp0 and HOW you use it as to IF it will work.

I have seen subs fail on the first nest and some that would go deep down the rabbit hole with no problems.

Just have to try it and see what you come up with.

Help is here, (;-) TP

4549
General Mach Discussion / Re: home sequence
« on: March 11, 2012, 10:40:13 PM »
Also the command structure between the G28 and G30 is different.

(;-) TP

4550
General Mach Discussion / Re: home sequence
« on: March 11, 2012, 10:24:03 PM »
Rich you have the G28/G30 wrong for MACH3 it is NOT like Fanuc.

G28 takes you to the defined HOME value as set in config. An offset from the home switches
G30 takes you to the Machine Home as defined by the switches or you setting it manually

Just a thought, (;-) TP

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