Post edit question

[Justin Beebe at Folsom Tool]

I am using the X4 mpmaster post on a Fadal 4020 VMC. I want to use a misc integer to add some codes to my drilling cycle when when needed. The codes I need are M46 before the drill cycle and M47 after the drill cycle. Here is a sample of how I want the code to look:

 

N1 G00 G17 G20 G40 G80 G90

N2 G91 G28 Z0.

N3 (DRILL .177 THRU 3 PLACES)

N4 T3 M06 (4.5MM YG DREAM DRILL)

N5 (MAX - Z1.)

N6 (MIN - Z-.0822)

N7 G00 G17 G90 G54 X-2.12 Y-.3554 S2000 M03

N8 G43 H3 Z1.

N9 Z.1

N10 G94

M46 ------- NEED TO ADD THIS HERE

N11 G99 G81 Z-.0822 R.1 F4.

N12 X0. Y-.62

N13 X2.12 Y-.3554

N14 G80

M47 ------- NEED TO ADD THIS HERE

N15 Z1.

N16 M05

N17 G91 G28 Z0.

N18 G28 Y0.

N19 G90

N20 M30

 

I want to be able to turn these codes on or off using a misc integer. Is this possible and is this a good way to go about accomplishing what a want. If so can someone point me in the right direction with some post editing help.

[YoDoug®]

Do you need to be able to post it on all drill cycles (drill,peck,tap,etc) or just the G81 like in your code?

[Justin Beebe at Folsom Tool]

Doug,

 

I would like it to work on all fixed cycles (G73-G89). The M46 code causes the machine to move the X and Y axes in a negative, then positive direction before the execution of a fixed cycle. It helps eliminate positioning errors do to backlash. The M47 cancels the M46.

[crazy^millman]

Justin I would treat it as a string and then use the turning of it on to then turn it off when done. Create a sav_miX$ of what ever mi number you want to use. Then when it is called it will output the M46 and then in your close using the M47 it would use the sav_mi to close it.

 

Another way to write is to can text verse mi.

 

Simple way is to use if mi4$ = 1, "M46", e$ where you want it to start and if mi4$ = 1, "M47", e$ where you want it to end.

 

Someone should chime in if you are not sure how, if not I will help you tonight when I get home.

 

HTH

[gms1]

Ron, can you put a string like that inside a canned cycle? I always thought that would not work unless you did "change at point".

[YoDoug®]

justin look for post blocks

 

pdrlcommonb (this is start of all drill cycles, common info) your going to want to put the-

 

if mi4$ = 1, "M46", e$

 

in there.

 

pdrlcancelc$ this is the end/cancel drill cycles. put the-

 

if mi4$ = 1, "M47", e$

 

in here.

[Justin Beebe at Folsom Tool]

Ron,

 

Thanks for the info. I'm not sure how to do what you are suggesting and would appreciate more help.

[Justin Beebe at Folsom Tool]

Doug,

 

I'll give that a try and let you know how it works out.

[Justin Beebe at Folsom Tool]

Doug,

 

I got it to work but I had to change a few things. When I put the line if mi3$ = 1,"M46", e$ in the pdrlcommonb post block it was outputing the M46 on three different lines. I ended up putting it in here:

 

pdrill$ #Canned Drill Cycle

pdrlcommonb

if mi3$ = 1, pbld, "M46", e$ #USE MI3 TO TURN ON M46 CODE JB

pcan1, pbld, n$, *sgdrlref, *sgdrill, pdrlxy, pfzout, pcout, pindexdrl,

prdrlout, [if dwell$, *dwell$], *feed, strcantext, e$

pcom_movea

 

Then I did the same thing for the other fixed cycles I wanted to activate it in.

 

I turned it off in this section of the the post:

 

pcanceldc$ #Cancel canned drill cycle

result = newfs (three, zinc)

if drillref = 0, zabs = initht_a #Make the initht the modal Z value

else, zabs = refht_a

prv_zia = zabs

!zabs

ps_inc_calc

prv_gcode$ = zero

if cool_zmove = yes$ & (nextop$=1003 | (nextop$=1011 & t$<>abs(nexttool))), coolant$ = zero

pcan

if mi3$ = 1, pbld,"M47", e$

if drillcyc$ <> 8, pcan1, pbld, n$, "G80", scoolant, strcantext, e$

pbld, n$, sgfeed, e$

pcan2

 

I also had to first activate mi3.

 

The only thing is now I can't get it to post an N number on the M46 and M47 lines.

 

 

Thanks for all the help

[YoDoug®]

Add , n$, after the pbld in your if mi4 lines.

[YoDoug®]

Also if you put it in pdrill$ you should of only added it to G81 cycles. You will need to add it to all canned cycles, ppeck$, pchpbrk$, etc.

[Justin Beebe at Folsom Tool]

Doug,

 

That did the trick thanks for all the help

[YoDoug®]

glad to help

[moeh]

---

It helps eliminate positioning errors do to backlash

---

 

You should still fix the backlash.

[Justin Beebe at Folsom Tool]

mhenson,

 

I agree. We compensate for backlash on our Fadals in the control. On the particular job I am running I have some holes that are +-.001 on the position call out so I want every advantage I can get.