Post mod question

[Bob W.]

I would like to modify my post so that the tool diameter is set in macro variable #550 right after a tool change. For example, if tool 5 is a .250" end mill the posted code would read:

 

T5 M6

#550 = 0.25000 (TOOL DIAMETER INTO VARIABLE 550)

#551 = #4120 (TOOL NUMBER VARIABLE SET)

 

I already have the tool number working but need help with the diameter. I am using this for tool setting logic for shell mills versus small tools. The tool number is set so I have a good value before the stagetool call. This is for a Makino HMC with a Fanuc 31i control and my current post is based on mpmaster.

 

Thanks,

Bob

[Tim Johnson]

If you're using Mpmaster the variable "diameter" will give you #550.

[Bob W.]

so the line in the post under psof or tlchg would be something on the order of:

 

pbld, n$, "#550=", diameter, e$

 

I tried that and got errors. How would I incorporate that into my post? I'm not an expert on post processors but I can usually get by.

 

Thanks,

Bob

[gcode]

try tldia$ for your variable

[Bob W.]

try tldia$ for your variable

 

I did that, but due to formatting it posted as "TOOL DIAMETER - .250". It has been formatted to be used in tool notes, pheader, etc...

[Guest CNC Apps Guy 1]

Bob, to bee safe, I would suggest adding #550=#4120 immediaeely following the M6 in your tool change MACRO in your machine.

 

 

[Bob W.]

Bob, to bee safe, I would suggest adding #550=#4120 immediaeely following the M6 in your tool change MACRO in your machine.

 

Great idea. I'll go ahead and do that. Thanks.

[Guest]

pbld, n$, 35, no_spc$, "550", no_spc$, 61, tldia, e$

 

35 = the ascii value of #

61 = ascii value of =

no_spc$ is a system variable that allows no spacing between output characters.

 

HTH

[Tim Johnson]

pbld, n$, "#550=", diameter, e$

 

I tried that and got errors. How would I incorporate that into my post? I'm not an expert on post processors but I can usually get by.

 

What errors did you get? Do you have the following code in your pparameters$ post block?

 

   		if prmcode$ = 20004, slot = rpar(sparameter$, 16)

 

If you do you should also have the formatting of "diameter":

 

fmt 	2 slot                	# 20004 Parameter line
fmt 	2 tool_type
fmt 	2 matl_type
fmt 	2 corner_rad_type
fmt 	2 diameter #<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
fmt 	2 corner_rad
fmt 	2 threads
fmt  A  2 tip_angle
fmt 	2 dia_off
fmt 	2 len_off
fmt 	2 tool_feed
fmt  F  15 plunge
fmt  F  15 retract
fmt 	2 rpm
fmt 	2 coolant1
fmt 	2 n_flutes1
fmt  A  2 tip_angle_ch

[Bob W.]

What errors did you get? Do you have the following code in your pparameters$ post block?

 

   		if prmcode$ = 20004, slot = rpar(sparameter$, 16)

 

If you do you should also have the formatting of "diameter":

 

fmt 	2 slot                	# 20004 Parameter line
fmt 	2 tool_type
fmt 	2 matl_type
fmt 	2 corner_rad_type
fmt 	2 diameter #<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
fmt 	2 corner_rad
fmt 	2 threads
fmt  A  2 tip_angle
fmt 	2 dia_off
fmt 	2 len_off
fmt 	2 tool_feed
fmt  F  15 plunge
fmt  F  15 retract
fmt 	2 rpm
fmt 	2 coolant1
fmt 	2 n_flutes1
fmt  A  2 tip_angle_ch

 

I don't have either of those lines in my post. When I added them I get the error "label has not been defined", "label was expected but not found". These were related to the line "if prmcode$ = 20004, slot = rpar(sparameter$, 16)"

[Bob W.]

pbld, n$, 35, no_spc$, "550", no_spc$, 61, tldia, e$

 

35 = the ascii value of #

61 = ascii value of =

no_spc$ is a system variable that allows no spacing between output characters.

 

HTH

 

I tried that John, but the tldia still posts as "TOOL DIAMETER - .250" due to formatting of the tldia variable in the formatting section. So the posted code reads:

 

#550=TOOL DIAMETER - .250

[Colin Gilchrist]

Hi Bob,

 

You have two choices available to fix the problem: create a new user-defined variable, or use the 'new address' function to override the formatting for the output.

 

To create a new variable, find the format assignment section and add some code like this:

 

fmt "#501=" 2 tool_diameter #Tool Diameter variable output

 

Then, before the output line, assign the variable value:

 

     tool_diameter = tldia
     pbld, n$, tool_diameter, e$

[Bob W.]

Hi Bob,

 

You have two choices available to fix the problem: create a new user-defined variable, or use the 'new address' function to override the formatting for the output.

 

To create a new variable, find the format assignment section and add some code like this:

 

fmt "#501=" 2 tool_diameter #Tool Diameter variable output

 

Then, before the output line, assign the variable value:

 

     tool_diameter = tldia
     pbld, n$, tool_diameter, e$

 

Still getting errors. Is there anything else I need to do?

[Colin Gilchrist]

Still getting errors. Is there anything else I need to do?

 

Can you post up the ERR file contents?

[Bob W.]

Can you post up the ERR file contents?

 

related to this line: tool_diameter = tldia

 

the label has not been defined

the formula/boolean does not terminate properly

[Colin Gilchrist]

Try adding a dollar sign to the end of 'tldia'. Make it 'tldia$'...

[Bob W.]

Try adding a dollar sign to the end of 'tldia'. Make it 'tldia$'...

 

That did the trick. Thanks for the help Colin.

[Colin Gilchrist]

Anytime Bob, glad it is working for you.

[Bob W.]

Anytime Bob, glad it is working for you.

 

What I am doing is setting up my probing macros so that if the tool diameter is .375" or smaller it will run probing and break detect routines 'A' and if the tool is bigger than .375" it will run probing and break detect routines 'B' where the tool is offset and run in reverse during probing. The Makino has multiple block skip (/1 - /9) so the probing routines post at every tool change and they can be turned on and off on the fly while the program is running. It is a pretty slick option if you ask me :-). The tools are always set during the first program cycle, then the tool setting routine is skipped going forward.