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Smooth cutting issue, when cutting around corners.

 

Using mach 3 and SheetCAM and AutoCAD.

I have drawn up a square, 75mm x 75mm with a round corner in the top
left hand side. When I cut it out, it feeds nice and smooth along
the straight. Then where the straight stops and the arc begins to
turn right, the machine will pause for about a quarter of a second
or so.

It will not maintain that smooth feed into and out of a corner.
Goes along straigh, sort of has a quick small shudder or jerk then
moves around the corner, then jerks again as it comes off the bend.
Then it goes good along the straight again.

I have notice in SheetCAM that there is a small dot exactaly where
the jerks happen.

I do remember there being some issues with drawing with polylines or
spines or something like that. Maybe this is that issue?

Should I draw in Corel instead and export as a .plt file?

Peter
Australia
Random step loose

 

Art:
I have problem in mach2 of random step loose : I have windows XP no
anti virus program and another computer connected with a local
net.Could you give me suggestion on how to proceed for eliminate
possible cause .?
Thanks Mario
Re: Mach3 Release 1.84.000 & ver. D190.002

afn09556
 

Hi, Art

Have you run a compact 5 cnc before it's a great littel lathe just
sorta limited in gcole and file space, just cant make big cut's.
I've got 2 and 2/3 thirds of another 2 have tool changer's 1's missing
a stepper motor the 2/3's one I need a x ball screw assy. and top to X
cross slide going to do a servo system on this one.

Let me now if you want to sell the old steppers or maby all of it

Check my new post on "Just my code ?"

Thank's, chip



--- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi Chip:

2 Emco Compact 5 cnc lathe's one old stepper board, one
I just tore mine out. API drivers in it now.. Motors this weekend I
think..

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
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----- Original Message -----
From: "afn09556" <afn09556@h...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 2:03 PM
Subject: [mach1mach2cnc] Re: Mach3 Release 1.84.000 & ver. D190.002


Hi Art and All

Posted this some time ago must'a fallen through the crack's again.

I have made slight additions to original post below for clarity.

Kind'a surprised no coment's maybe a tight group working in
outer-space or my spellin. May be an new guy issue.

Just a bug and gremlin hunter hear.

Coversion's under way on:
IR Waterjet cutter(RutexR991H +10v-,CNC4PC B-Out) board's.
Dayton 4,8' Router, thay say Plug & Play. will see ? On Hi sea's now.
Hardinge original cnc stepper motor, 8 pos tool changer.(Gecko's)
2 Emco Compact 5 cnc lathe's one old stepper board, one Srevo.
Bridgeport ser. 1 Mill (Gecko's)

I've spent several hundred hours now with this program/screen editor
now, It' realy great.

Work as, night's and weekend's on call aircraft mechenic, At home
during the day taking chare of my parent's, luckey to have them with
us, 86 & 89, diff. stages of disrepair, juet part'a life.

More later sea'ya

Thank's, Chip


--- In mach1mach2cnc@..., "afn09556" <afn09556@h...>
wrote:

Hi, Art and all:

Thing's are working better and better all the time.

All though I have an item that need some attension.

Item: G02 with Z (Helical) move Rev, Ps, Run.

Looks like lose's all Ref. at Rev, Ps, Run, to me.

If you in g02wZ, ps, Rev, Ps, then Run, You lose X,Y,Z Ref.

If you Pause after g02wZ, Rev back into G02wZ, Pause, then Run,
You lose
X,Y,Z ref.

If your pause before G02wZ and run into g02 pause rev out of g02 it
works fine.

With g00 & g01 before g02wZ and after are the same.

G01,G00,G02woutZ seem Bullet proof, no mater how many times you, run
p rve, rev p run, run p run, rev p rev what ever.

Hears the code I used.

(chiptest2sn)
n1 g00 x0 y0 z0
n3 g01 x2 y2 z1 f100
n5 g02 x2 y2 z-1 i2.0 j2.0 f100
n7 g01 x0 y0 z0 f100
n8 m5
n9 m30


Art, I think it's the Midnight oil.

Thank's Chip




www.machsupport.com - Web site Access
Yahoo! Groups Links
Re: Just my Gcode or ?

afn09556
 

HI, Art and All

Thank's for the reply's, lazercadman and Steve.

Lazercadman,

The G00 x0 y0 z0 is redundent as your at 0,0,0 anyway I no.
The code after G91 is the same as the first half of the code and
should be dispalyed and behave the same way. There singal axis move's.

BTW I'v got a 150 Watt ND Yag laser came out of company doing work for
NASA havent fired it up yet no time right now, it was used for cutting
small holes and welding thin stuff, I'v got to make an x y table for it.

I was hoping it was somthing in my Gcode. Thank's, Chip.

Steve,

Dont now whad modal means not in my dictionary, N17 final move in ABS
ret to X0 Y0 Z0 the line numbers are for ref changed it below for
clarity sorry for the confusion. see new code below. After the G91 the
next tool is ABS x2 y2 z2, INC X0 y0 z0.

I was hoping it was somthing in my Gcode. Thank's, Chip.

The N00 numbering is optional mostly for our use as the code is read
line by line in order top to bottom ignoring the N's on most cnc's.

I've renumbered them now to explane better cut down confusion .

The (....) are remark's reminders only.

This code is in two section's Duplacated, one in ABS & one in INC Mode.

Thay should display and cut the same first half at ABS xo yo Z0 center
then, same thing at ABS X2 Y2 Z2 Inc X0 Y0 Z0 but thay don't.

Why ?

No3 is redundent as my mach. is defaulted to ABS at startup.

But with out it after you run Line n39 g90 x0 y0 z0, it should put you
back ABS dosent switch it back ?.

The original code started at.

N04 to N19 it display's fine and cut's fine. N04 g00 x0 y0 z0 is
redundent code I dont expect it to do anything.

N21 changes mach. to INC mode Starting cut at pos ABS x2 y2 INC x0 y0 z0.

N22 to N37 is same code as N04 to N19 except N37 G00 for speddie
return Home.

Should look the same as first Half code and cut the same but dosent.?

N39 g90 x0 y0 z0 is ret to ABS mode. should turn Mach. back to ABS
mode but Dosen't.

N40 spind off

N41 End of program.

As I stated "Just my code ?" or Errors in Mach3.

Copy load run it let me now Thanks, Chip

(chiptestg0022)
n03 g90 x0 y0 z0
n04 g00 x0 y0 z0
n05 g00 z1
n06 g00 z-1
n07 g00 x1 y1
n08 g00 x0
n09 g00 y0
n10 g00 x1
n11 g00 y1
n12 g00 x0 y0 z0
n13 g01 z-1 f50
n14 g01 x-1 y-1 f50
n15 g01 x0
n16 g01 y0
n17 g01 x-1
n18 g01 y-1
n19 g01 x0 y0 z0
n20 (g91)
n21 g91 x2 y2 z0
n22 g00 x0 y0 z0
n23 g00 z1
n24 g00 z-1
n25 g00 x1 y1
n26 g00 x0
n27 g00 y0
n28 g00 x1
n29 g00 y1
n30 g00 x0 y0 z0
n31 g01 z-1 f50
n32 g01 x-1 y-1 f50
n33 g01 x0
n34 g01 y0
n35 g01 x-1
n36 g01 y-1
n37 g00 x0 y0 z0
n38 (90)
n39 g90 x0 y0 z0
n40 m5
n41 m30
%

--- In mach1mach2cnc@..., "lazercadman" <morrisal@j...> wrote:

Chip,
Not sure what you see for a problem, but my observation is that in
g91 incremental mode(a model command) when you issue an X0 Y0 Z0
command, nothing will happen because you are basically telling the
motors not to move from their current position. In the 2nd half of
your program after the (G91)you have 7 lines where the motors are not
going to move and I suspect that you are expecting them to move.
Hope this helps out!

--- In mach1mach2cnc@..., "afn09556" <afn09556@h...>
wrote:

Hi, Art and All:

Would some one look at this Gcode:
Let me know the error's of my way's.

I now i'm not playing with a full deck of cards, I no there's a
(joker) not sure about the rest.

(chiptest1g00)
%
(g90)
n00 g90 x0 y0 z0
n01 g00 x0 y0 z0
n02 g00 z1
n03 g00 z-1
n04 g00 x1 y1
n05 g00 x0
n06 g00 y0
n08 g00 x1
n09 g00 y1
n10 g00 x0 y0 z0
n11 g01 z-1 f50
n12 g01 x-1 y-1 f50
n13 g01 x0
n14 g01 y0
n15 g01 x-1
n16 g01 y-1
n17 g01 x0 y0 z0
(g91)
n00 g91 x2 y2
n01 g00 x0 y0 z0
n02 g00 z1
n03 g00 z-1
n04 g00 x1 y1
n05 g00 x0
n06 g00 y0
n08 g00 x1
n09 g00 y1
n10 g00 x0 y0 z0
n11 g01 z-1 f50
n12 g01 x-1 y-1 f50
n13 g01 x0
n14 g01 y0
n15 g01 x-1
n16 g01 y-1
n00 g00 x0 y0 z0
(g90)
n17 g90 x0 y0 z0
n18 m5
n19 m30

Got'a go to Work now.

Thank's, Chip
Master Cam 8 post processor

 

Hello All,

Does any one know if you can post a G-code from Mastercam 8 to mach3?

Regards,

Ken Polley
GRex and spindle questions

 

Probably questions best aimed at Art, but anyone with a solid answer,
please chime in to help keep the load on him down so he can keep
coding :)

Question 1: I've been looking back over the forum for info about what
will be supported on the GRex and it left me somewhat baffled. Art
makes mention of the fact that closed loop operation won't be
supported initially, but looking at the GRex manual, I'm led to
believe that all of the closed loop operations would be done by the
Grex itself. I'm missing somethign here, right? What does the
interface command structure for this thing (the Grex) look like when
it's running the firmware for Mach? I would assume that it contains
internal functions that are g-code equivalents and that you call them
with the appropriate operands and the g-rex handles the rest, feeding
back the current position periodically?

Question 2: If a mill were equipped with a sufficiently powerful
sureservo setup for the spindle, would rigid tapping operations become
a reality? I guess this is more of a spindle positional capability
question in general. This could also translate to the possibility of
use with live tooling in a turning center for some simple side work.

One last question. I do a small amount of end turning work, but not
enough to justify building another cnc machine, so I've been making
use of my mill as a "vertical turning center" for simple work where I
can use standard size small stock that can be held with a collet. I
have a multiple tool setup that uses 3 position tool blocks mounted to
the table (one on each side of the spindle), having each tool at a
different X,Y offset. To date, I haven't been able to figure out a
good way to do this with the Mach 3 software running in turning mode,
as I have no place in the tool table to enter y offset values.
Running in mill mode, I can use a different workpiece offset for each
tool and cheat a bit, but it gets confusing to look at sometimes.
Does anyone know how I could input Y offsets for tools in turning mode
and make life easier?

Thanks,
Dave
Re: CNC lathe

art
 

HI Gary:

Yup, it knows where it is and when to start movement.. Makes nice threads..

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:

----- Original Message -----
From: "grascnc" <cncgramps@...>
To: <mach1mach2cnc@...>
Sent: Saturday, January 28, 2006 12:15 AM
Subject: [mach1mach2cnc] Re: CNC lathe


Hi Art,

So there is not problem taking multiple passes to get to the final
depth of cut?
It always starts in the correct spot?

I bought a new 9X20 lathe and its really hard not to want to
convert it to CNC. I use Mach2/3 on both my mills and if the lathe
part works as good I will love it.

Gary

-- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi Gary:

A single pulse per rev for an optical sensor is what we use.
Works well. I
use an omrom 653-ee-sb5v cheap and effective..


Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:
----- Original Message -----
From: "grascnc" <cncgramps@y...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 11:58 PM
Subject: [mach1mach2cnc] CNC lathe


I am about to enter a new adventure. After getting to milling
machines
up and running on Mach3 I have decided I want to CNC a lathe.
The main thing I am wondering now is how do you tie the spindle
speed
to the traverse for threading.
It would seem very important that all axis movement new the
rotation
of the spindle to cut the threads in the proper spot.
A basic explanation of this would be nice.

Thanks

Gary






www.machsupport.com - Web site Access
Yahoo! Groups Links









www.machsupport.com - Web site Access
Yahoo! Groups Links
Re: CNC lathe

grascnc
 

Hi Art,

So there is not problem taking multiple passes to get to the final
depth of cut?
It always starts in the correct spot?

I bought a new 9X20 lathe and its really hard not to want to
convert it to CNC. I use Mach2/3 on both my mills and if the lathe
part works as good I will love it.

Gary

-- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi Gary:

A single pulse per rev for an optical sensor is what we use.
Works well. I
use an omrom 653-ee-sb5v cheap and effective..


Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:
----- Original Message -----
From: "grascnc" <cncgramps@y...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 11:58 PM
Subject: [mach1mach2cnc] CNC lathe


I am about to enter a new adventure. After getting to milling
machines
up and running on Mach3 I have decided I want to CNC a lathe.
The main thing I am wondering now is how do you tie the spindle
speed
to the traverse for threading.
It would seem very important that all axis movement new the
rotation
of the spindle to cut the threads in the proper spot.
A basic explanation of this would be nice.

Thanks

Gary






www.machsupport.com - Web site Access
Yahoo! Groups Links
Re: CNC lathe

art
 

Hi Gary:

A single pulse per rev for an optical sensor is what we use. Works well. I use an omrom 653-ee-sb5v cheap and effective..


Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:

----- Original Message -----
From: "grascnc" <cncgramps@...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 11:58 PM
Subject: [mach1mach2cnc] CNC lathe


I am about to enter a new adventure. After getting to milling machines
up and running on Mach3 I have decided I want to CNC a lathe.
The main thing I am wondering now is how do you tie the spindle speed
to the traverse for threading.
It would seem very important that all axis movement new the rotation
of the spindle to cut the threads in the proper spot.
A basic explanation of this would be nice.

Thanks

Gary






www.machsupport.com - Web site Access
Yahoo! Groups Links
Re: Pin I can use

art
 

Ballendo:

Sorry, my mistake, only the Status pins ...

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums Users Map:

----- Original Message -----
From: "ballendo" <ballendo@...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 11:12 PM
Subject: [mach1mach2cnc] Re: Pin I can use


Art,
We can use the pport control register for inputs? (Pins 1,14,16,17)
Just checking, in case you meant the Status port (pins 10,11,12,13,15)
If so, in which version did this ability to use the control register appear?
Thank you in advance,
Ballendo
--- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi:
Yes, you can use the other pins. You can also run a macro pump to
set an
output that will light the LED..
Thanks,
Art
www.artofcnc.ca
Videos And Support Forums
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----- Original Message -----
From: "gdvasmith" <gdvasmith@y...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 8:12 PM
Subject: [mach1mach2cnc] Pin I can use

Hello to all in this group
First thanks for all the knowledge giving
I love to read the post in this group

The question
I'm making a pendant with buttons and second printer port
Can I use pin 1,14,16,17 as inputs, I check to us pin 2-9 but
Can I use the other pins to?
Also
Is there a way to make a small led light on the pendant when
In step jog mode?
Thanks again
Gary

www.machsupport.com - Web site Access Yahoo! Groups Links
CNC lathe

grascnc
 

I am about to enter a new adventure. After getting to milling machines
up and running on Mach3 I have decided I want to CNC a lathe.
The main thing I am wondering now is how do you tie the spindle speed
to the traverse for threading.
It would seem very important that all axis movement new the rotation
of the spindle to cut the threads in the proper spot.
A basic explanation of this would be nice.

Thanks

Gary
Re: Pin I can use

 

Art,

We can use the pport control register for inputs? (Pins 1,14,16,17)

Just checking, in case you meant the Status port (pins 10,11,12,13,15)

If so, in which version did this ability to use the control register
appear?

Thank you in advance,

Ballendo

--- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi:

Yes, you can use the other pins. You can also run a macro pump to
set an
output that will light the LED..

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:
----- Original Message -----
From: "gdvasmith" <gdvasmith@y...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 8:12 PM
Subject: [mach1mach2cnc] Pin I can use


Hello to all in this group
First thanks for all the knowledge giving
I love to read the post in this group

The question
I'm making a pendant with buttons and second printer port
Can I use pin 1,14,16,17 as inputs, I check to us pin 2-9 but
Can I use the other pins to?
Also
Is there a way to make a small led light on the pendant when
In step jog mode?
Thanks again
Gary
Re: Just my Gcode or ?

Steve Blackmore
 

On Fri, 27 Jan 2006 21:33:32 -0000, you wrote:

Not sure what you see for a problem, but my observation is that in
g91 incremental mode(a model command) when you issue an X0 Y0 Z0
command, nothing will happen because you are basically telling the
motors not to move from their current position. In the 2nd half of
your program after the (G91)you have 7 lines where the motors are not
going to move and I suspect that you are expecting them to move.
Hope this helps out!
Your right with the modal bit, but..

n17 g01 x0 y0 z0
(g91)
n00 g91 x2 y2
What happens in the line above? G01 from line N17 is modal, why does
next line renumber to 00? Is the G01 STILL modal with the X2 Y2 when
you've renumbered and changed modes???

n01 g00 x0 y0 z0
n02 g00 z1
n03 g00 z-1
Where "should" the tool be here???

Is it X0 Y0 Z0 or X2 Y2 Z0 - I think ????


Steve Blackmore
--
Re: VB Script Editor Tab Width

art
 

Joe:

Tab width on what?

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums Users Map:

----- Original Message -----
From: "Joe" <JSchober@...>
To: "mach1mach2cnc" <mach1mach2cnc@...>
Sent: Thursday, January 26, 2006 1:28 PM
Subject: [mach1mach2cnc] VB Script Editor Tab Width


There is the prob with tab width:
1) Mach3 doesn't store this setting (always 4)
2) Editor always uses a width of 8
Thx Joe
www.machsupport.com - Web site Access Yahoo!
Re: Pin I can use

art
 

Hi:

Yes, you can use the other pins. You can also run a macro pump to set an output that will light the LED..

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:

----- Original Message -----
From: "gdvasmith" <gdvasmith@...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 8:12 PM
Subject: [mach1mach2cnc] Pin I can use


Hello to all in this group
First thanks for all the knowledge giving
I love to read the post in this group

The question
I'm making a pendant with buttons and second printer port
Can I use pin 1,14,16,17 as inputs, I check to us pin 2-9 but
Can I use the other pins to?
Also
Is there a way to make a small led light on the pendant when
In step jog mode?
Thanks again
Gary
Re: Pictures in VMAX Albums......

c_beezer
 

Terry,

Nice job!

We must have been on the same wave length because I had ordered the
same encloser, along with the other smaller one, last week for my
pendant. ;) I can't quite afford to buy one of those nice MPG
units yet so I will just have to make do with a 128ppr encoder I
picked up from work. Have you figured out how you are going to run
the cable for it yet? If it was just one cable for the RS-232 it
would not be so bad but getting the +5VDC up there is the trick
which I haven't figured out yet how to do simply.

Carl


--- In mach1mach2cnc@..., "vmax549" <vmax@l...> wrote:

Tim there is a newer picture of the MPG pendant posted over at the
Machsupport.com site. I do love my MPG pendant. Terry



--- In mach1mach2cnc@..., "Tim" <luvindaddy@y...>
wrote:

Hey Everyone,
I was just cruising thru the photos section & came across VMax's
folders....... I must say, VMax..... Good looking installation
on the
control cabinet & I REALLY like the ModIO Pendant...... Now I'll
have
to give Peter a call & see about the pendant stuff. I recommend
everyone go take a look at VMax's photos.

Thanks, Tim Bostic

ps. CRAP.... Why is it when I look at other peoples setups &
projects,
it ends up costing me money?!!!!!hehe!!!!
Pin I can use

 

Hello to all in this group
First thanks for all the knowledge giving
I love to read the post in this group

The question
I'm making a pendant with buttons and second printer port
Can I use pin 1,14,16,17 as inputs, I check to us pin 2-9 but
Can I use the other pins to?
Also
Is there a way to make a small led light on the pendant when
In step jog mode?
Thanks again
Gary
Re: Trigger Macro not working.

art
 

Hi Steve:

Send me the M991 macro, Ill see what it does here..


Thanks,
Art
www.artofcnc.ca

Videos And Support Forums Users Map:

----- Original Message -----
From: "Steve" <slnow@...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 6:25 PM
Subject: [mach1mach2cnc] Trigger Macro not working.


Hi Art
Typing M999 in the MDI did not start the trigger process. I tried typing M991 in the MDI with the pendant button pressed and it also would not select the MPG mode. If I open the M991.m1s macro and press the pendant button while I run the M991.m1s macro the MPG mode is selected. I will keep working on my problem here. Any more suggestions ?
All the help on this is much appreciated. Thanks Steve www.machsupport.com - Web site Access Yahoo! Groups Links
Trigger Macro not working.

 

Hi Art
Typing M999 in the MDI did not start the trigger process. I tried
typing M991 in the MDI with the pendant button pressed and it also
would not select the MPG mode. If I open the M991.m1s macro and press
the pendant button while I run the M991.m1s macro the MPG mode is
selected. I will keep working on my problem here. Any more suggestions ?
All the help on this is much appreciated. Thanks Steve
Re: angular limit

art
 

Hi John:

Yes, almost everyojne shoudl be using enhanced pulsing, I know of only two for whom it creates trouble, it smooths things out for everyone else. 60 as a look ahead is fine. Higher wont help.

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
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----- Original Message -----
From: "jtj_30" <jtj_30@...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 4:54 PM
Subject: [mach1mach2cnc] Re: angular limit


Hello Art:

Could the lookahead be set to low I have it at 60. I am running a
750mhz cpu and 25khz in mach3. And should I use enhanced pulsing.

Thanks,
John
--- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi John:

Thats CV feedrate. It tells the ocntroller to not begin blending
in the
next move, until the feedrate falls below that value.
In your case, a ballpark woudl be around 40..

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:
----- Original Message -----
From: "jtj_30" <jtj_30@y...>
To: <mach1mach2cnc@...>
Sent: Friday, January 27, 2006 1:45 PM
Subject: [mach1mach2cnc] Re: angular limit


Hello Art:

What about the other value that is listed just below the angular
limit? I am not sure of its function. It says cv feedrate in
front of
it and the value is set to +1.00? If I do most cutting at 250
inches
per minute should I set this value at 250 inches per minute.

Thanks,
John


--- In mach1mach2cnc@..., art <fenerty@a...> wrote:

Hi John:

Hmm, as I recall its function it shoudl make it worse. The
effect
is
telling the system to not CV any line which
exceeds that setting. So if its set to 85, it will do exact sop
is
the angle
betwen lines is greater than 85 degrees.
(But when its off, all lines shoudl be CV'ed.. Ill take a look at
the code,
but in the end, if its better on, then leave it on
, it wont hurt any any rate..

Thanks,
Art
www.artofcnc.ca

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----- Original Message -----
From: "jtj_30" <jtj_30@y...>
To: <mach1mach2cnc@...>
Sent: Thursday, January 26, 2006 2:40 PM
Subject: [mach1mach2cnc] Re: angular limit


--- In mach1mach2cnc@..., art <fenerty@a...> wrote:
Art:

I have used the machine both ways and it runs better with it
on.
If
it is turned off the machine will ramp up and down for each
entity
that is cut(even in the G64 mode).So if I cut the contour of an
6"X12" elipse at 600 inches per minute the machine will still
ramp up
and down for each of the entities that make up the elipse. I
would
like the machine to ramp up at the first entity and down at the
last
entity. If I use G64 and set the angular limit to 85 then it
will
cut
smooth. The machine setup 1909.8593171 steps per inch and I use
the
campbell board with G201 geckos as drives. Any help would be
much
appreciated.

Thanks,
John

John:

Leave it off unless you have severe rounding. It is unused
in
99.9% of
systems.

Thanks,
Art
www.artofcnc.ca

Videos And Support Forums
Users Map:
----- Original Message -----
From: "jtj_30" <jtj_30@y...>
To: <mach1mach2cnc@...>
Sent: Thursday, January 26, 2006 9:30 AM
Subject: [mach1mach2cnc] angular limit


In mach3 what does angular limit cv mean. There are 2 values
here
and I
am not sure how to define them?

Thanks,
John





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