I've run into a similar problem with a Cincinnati saber with an acramatic
control and set up an smf file that output line segments instead of arcs and
never had a problem since(yes the code is long)but my mill wasn't doing
loops any more!
thanks bill
----- Original Message -----
From: Glawe, Chuck <[EMAIL PROTECTED]>
To: 'Steve Buck' <[EMAIL PROTECTED]>; SmartCam user Group
<[EMAIL PROTECTED]>
Sent: Friday, February 16, 2001 5:45 AM
Subject: RE: [mfg-smartcam] Post Problem
> Steve;
>
> Does your machine have a Mazatrol control? We have about a dozen Mazak
Mills
> and 3 lathes all with Mazatrol controls (M2,M32,M-plus,T-pus,T32,Fusion
> 640). If the control is Mazatrol, do you have the same problem programming
> in Maztrol conversational? These controls have 2 modes of operation,
> Mazatrol conversational, and standard G,M code. I have run into the same
> problem on occasion. The problem is in the control not the software that
> programs it (as long as SmartCAM is set to output 4 decimal places). We
have
> run the same programs in other machines, without modification (that would
be
> the G,M code programs) and they have run just fine. Mazak seems to have a
> tolerance situation when it comes to arcs. To work around it, most of the
> time we just have to change 1 coordinate (X,Y,I,orJ) by .0001, sometimes
add
> sometimes subtract, it's basically a crap shoot, and this lets the program
> run just fine. It seems to me that the control is truncating the
> calculations. I say this because I've calculated the coordinates for some
of
> the problems myself out to 10 decimal places and the numbers that we had
to
> change to get a program to run were not rounded properly (the modified
> numbers, SmartCAM output them correctly).
>
> Also, if your programming part boundary and offsetting your laser with
> G41,G42, try turning off the lookahead parameter in the control (if it has
> one). The control looks ahead in the program by a number of blocks
(usually
> 5) and adjusts the program if needed to fit the offset of the cutter. I
have
> never programmed a laser so my terminology is in the milling context. This
> has helped on occasion for us.
>
> Sorry I couldn't give you more foolproof solution, but this seems to be
the
> nature of the beast. :)
>
> Cheers,
> Chuck Glawe
> Courtesy Corporation
> Mold & Tool Div.
> [EMAIL PROTECTED]
> www.courtesycorp.com
>
>
> > -----Original Message-----
> > From: Steve Buck [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, February 15, 2001 9:50 AM
> > To: SmartCam user Group
> > Subject: [mfg-smartcam] Post Problem
> >
> >
> > I wrote a message yesterday about a post problem which I will repost
> > below. I will add that I am using Production Milling 11.5 with all
> > geometry on the Z "0.0" level. The laser hangs on arcs ONLY
> > and hanging
> > error states target arc not found. It doesn't
> > hang very often.
> >
> >
> > I have a mazak laser that is hanging on me sometimes and I think it
> > might be beacuse my post is truncating instead of rounding.
> > Here it is....also it is a 4 place decimal readout control. HELP!!!
> >
> > TMP file=
> >
> > @START
> > #EVAL(#U1=0)
> > %
> > O1001
> > (#FILE)
> > (MACHINE NO. : MAZAK STX510 LASER)
> > (DIRECTORY : XX)
> > (CUSTOMER NAME: )
> > (PRINT NUMBER : )
> > (REVISION # : )
> > (PART NAME : )
> > (MATERIAL : )
> > (PROGRAMMER : STEVE BUCK)
> > (#DATE #SYSTIME)
> >
> > (X0 Y0 = TOP LEFT CORNER OF BLANK)
> > #ONBLK
> > #ABSI G92 X0 Y0
> > @END
> > #ONBLK
> > G91 G28 Z0
> > M30
> > #OFFBLK
> > %
> >
> > @STPROF
> > #EVAL(#U2=98)
> > #ONBLK
> > < #ABSI>< #MOV> X#XPOS Y#YPOS
> > #IF(#SPEED=2002)<< M#U2 P#SPEED>>#ELSE< M#U2 P#SPEED>
> > #IF(#SPEED=2002,AND#U1=1)< M22>
> > #IF(#SPEED=2002)<#EVAL(#U1=1)>
> > #RESET(#DOFF)
> > @ENDPROF
> > #IF(#TOOL=5)< M23>#ELSE< M98 P9002>
> > #OFFBLK
> > #RESET(#ABSI)
> > @RAP
> > < #ABSI>< #MOV> X#XPOS Y#YPOS
> > @LINE
> > < #ABSI>< #DCOMP>< #MOV>< X#XPOS>< Y#YPOS>#IF(#TOOL<5)<< D#DOFF>>
> > @ARC
> > < #ABSI>< #MOV> X#XPOS Y#YPOS< I#XCTR>< J#YCTR>
> >
> >
> >
> >
> >
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