Bar pull in X6 lathe

[DaveR]

I was poking around at the new lathe edition I see there is a bar pull pickoff, etc.

 

When I try and use it says not supported in my post, which is the SL post.

 

Any idea how to turn it on, or is it a custom code / pay for type thing?

[Chris Rizzo]

see here

[DaveR]

Thanks

 

So if I'm using an X6 post no post mods needed, just define stock and chuck?

 

If it's bar pull I'm looking for is there anything else?

[Chris Rizzo]

Is it a dual spindle sl? What it's doing is using the sub spindle to pull the bar. Are you using it that way, or lie a royal spring gripper or coolant powered bar puller in the turret?

[DaveR]

Is it a dual spindle sl? What it's doing is using the sub spindle to pull the bar. Are you using it that way, or lie a royal spring gripper or coolant powered bar puller in the turret?

 

 

Oh no, I though it would do the bar pull from a turret mounted device.

 

My misundertanding.

 

I don't have a dual spindle machine.

[Bryan Johnson]

Bar pull on Haas Lathe. There is an unlimited number of ways to do it.

Regardless of method (bar-pull, bar-feed, sub spindle), your post will need to be modified for your application. All methods are supported.

 

 

 

Below is an example using M97 with an L value to repeat the process for the number of parts per bar.

 

The "Bar-Pull" operation would be the 1st operation in your program.

 

 

*** Add info below to your toolchange section in PST file. This would be included on all programs that included a Bar Pull operation.

 

if opcode$ = 109, # BAR PULL

[

bpull1 = abs(stck_init_z$ - stck_final_z$)

l_word = (46 - bpull1) / bpull1

"M97 P999", *l_word, "(SET REPEAT FOR BAR PULL)", e$

"(BAR LENGTH - LEFT OVER / W-VALUE)", e$

"M30", e$

"N999", e$

" ", e$

]

 

 

*** Add info below to the "pstc_bar_fd" section of your PST file. This is the sequence for the actual bar pull, and will vary depending on the type of puller you are using.

 

 

 

pstck_bar_fd$ #NCI code = 902 available variables:

misc_op_z1 = stck_init_z$ + stck_clear$

misc_op_z2 = stck_init_z$ - stck_grip$

misc_op_z3 = stck_final_z$ - stck_grip$

misc_op_z4 = stck_final_z$ + stck_clear$

 

#~stck_init_z$, ~stck_final_z$, e$

 

# This is only set-up for a simple bar-pull at START of program

 

# bpull1 = abs(misc_op_z1) + abs(misc_op_z4)

bpull1 = abs(stck_init_z$ - stck_final_z$)

gcode$ = 0

toolchng = 1

n$, *sgcode, pwcs, "X0", *misc_op_z1, "M5", e$

n$, *misc_op_z2, e$

n$, "M11 (CHUCK OPEN)", e$

n$, "G04 P0.5 (PAUSE)", e$

n$, "G0", *bpull1, "(PART LENGTH + PART-OFF + FACE OFF)", e$

n$, "M10 (CHUCK CLOSE)", e$

n$, "G04 P1. (PAUSE)", e$

n$, "G0", "W.5 (CLEAR)", e$

n$, "G0", "X6. (CLEAR)", e$

 

!gcode$

bar_pull_flag = 1

toolchng = 0