SL-40 Tool for a Stop (Code)?

[rapidtraverse]

How do you program a tool for a stop?

For some reason I believe that, customarilly, after the M0 you change your offset.

I run a Haas SL-40 (fanuc).

G20;
G0;
T909 (Stop)
G54 X10. Z10.;
X0 Z.1;
M11;
(**********);
M0 (Locate Bar Against Stop);
(**********);
M10;
G28;

T101 (Turning Tool);
G55 X2.1 Z0.0;
G50 S1200;
G96 S460;
X2.0;
G71.........

Any tips, suggestions, or ideas are greatly appreciated

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[WOLOG]

I use G00 G53 X Z thing to position the stock stopper. I don't know if this right, but it works for me.


Use an M00 to unclamp the chuck and to move the material to the stop.

I can give an example program if you would like.

[Geof]

You are stopping the spindle, bringing tool 9, the stop, down into place then opening the chuck and stopping program execution with the M0.

You pull the bar out then push Cycle Start again???

What happens? On my SL 10 if I try a sequence like this when I push Cycle Start after the M0 I get the Alarm 'Chuck Unclamped' and the program will not restart. I do not open the chuck in the program, I just bring the stop into place, stop the program at the M0 then open and close the chuck with the foot pedal.

Regarding offsets I just treat the stop T909 like any other tool.

[rapidtraverse]

WOLOG the g53 makes sense and yes I would like get a sample of this code.

[rapidtraverse]

Thanks Geoff

[WOLOG]

Rapid,

This how I do it. i do not use the G20 thing. I am not sure how the G53 will act in your code.

G53 IS MACHINE POSITION FROM HOME POSITION. IT SHOULD ALWAYS BE NEGATIVE VALUES. This was the way my post processor was set up when I bought my cam system.


(Stock Stopper------Empty B/B Block)
G54;
G00 G53 X0 Z-10.(TOOL CHANGE POS)
T707;
G00 G53 X-15.5 Z-20.;(MOVE BLOCK IN MACHINE POS. TO FRONT OF PART)
M11;(CHUCK UNCLAMP)
M00;
(POSITION MATERIAL TO BORING BAR BLOCK)
M10; (I USUALLY MANUALLY CLAMP THE CHUCK)
M00;
G00 G53 X0 Z-10.;
M01;

It seems basically the same as your G20 setup. I do not change the work offset. If I program the stock stopper at G54, then the rest of the program will be G54. Does this help?

[Geof]

.....M10; (I USUALLY MANUALLY CLAMP THE CHUCK)
.....

Will your machine restart if you do not manually clamp the chuck?

[WOLOG]

Geof,

It works fine. There is no problems with starting up again.

[Geof]

Geof,

It works fine. There is no problems with starting up again.

Thanks, I guess I need to search for the Parameter that controls it.

[WOLOG]

Geof,

I don't think there is a parameter for that. The stock stop works fine everytime I run it in a program. Tomorrow morning, I will scan through different programs to see if the sequence is different. What is your machine doing exactly when you try to run a stock stop?

[Geof]

.... What is your machine doing exactly when you try to run a stock stop?

If I stop the program with the chuck unclamped it will not restart unless I manually close the chuck. I cannot have M10 and M11 separated by the M00 when I hit cycle start it tells me the chuck is unclamped and will not resume operation.

[WOLOG]

Geof,
I will check that first thing in the morning for you. If that is the case, then maybe a G04 dwell may fix that. Figure out how long you need to advance your stock and don't use the M00. Safety should dictate whether this is acceptable for you or not. That may cause more problems than what it's worth.