Bobcad V28 post proc. for Fada Milll issues

sissonmachine · Dec 17, 2015

I have been using V24 for a few years with success. I upgraded to V28 a few months back. So far it has been a waste of money. I have been trying to get a post for Fadal CNC88HS format 2 with rigid tap, no luck so far. I have been dealing with a person in the post department that does not seem to understand what rigid tap even means. I filled out the ticket, talked to him on the phone multiple times. I told him the post for v24 works fine it needs to post like that, he tells me he does not have v24 post proc. any more and would like to copy it from my computer, so I let him and told him before he did not to erase or change anything on my computer, now all the post proc. are gone from that folder. I have them backed up on an external hard drive so its not a big deal but it makes me wonder if he was trying to pull something or is just an idiot. I have been sent a few different post proc. so far, the last one I was sent a link to dl it and when I clicked it my antivirus says it has a virus, maybe I'm missing something but at this point I am not letting anyone from bc have access to my computer and I'm pretty much done with dealing with them. I would like to get my money back but I'm sure that is going to be a big runaround so ill keep using V24 and try to forget the $1000 I donated to them. I would recommend anyone looking for cad/cam not deal with Bobcad, and if you decided to, make sure the post proc. works before you pay.

m98custom1212 · Dec 17, 2015

sissonmachine said:
I have been using V24 for a few years with success. I upgraded to V28 a few months back. So far it has been a waste of money. I have been trying to get a post for Fadal CNC88HS format 2 with rigid tap, no luck so far. I have been dealing with a person in the post department that does not seem to understand what rigid tap even means. I filled out the ticket, talked to him on the phone multiple times. I told him the post for v24 works fine it needs to post like that, he tells me he does not have v24 post proc. any more and would like to copy it from my computer, so I let him and told him before he did not to erase or change anything on my computer, now all the post proc. are gone from that folder. I have them backed up on an external hard drive so its not a big deal but it makes me wonder if he was trying to pull something or is just an idiot. I have been sent a few different post proc. so far, the last one I was sent a link to dl it and when I clicked it my antivirus says it has a virus, maybe I'm missing something but at this point I am not letting anyone from bc have access to my computer and I'm pretty much done with dealing with them. I would like to get my money back but I'm sure that is going to be a big runaround so ill keep using V24 and try to forget the $1000 I donated to them. I would recommend anyone looking for cad/cam not deal with Bobcad, and if you decided to, make sure the post proc. works before you pay.

I'm in the same boat.. I told them I'm paying nothing until have at least a halfway working post but I still get email daily to upgrade. I have been dealing with CAM companies for far to long to hear all the promises they make

aldepoalo · Dec 17, 2015

Hello Sissonmachine,

I am sure we can get you going with the V28 and your tapping cycles. I am not sure what happened with the support rep you worked with, but I would be more than happy to help you get through this.

aldepoalo · Dec 17, 2015

We've made some changes to our posting variable from the V24 to the V28 software. So posts that worked correctly in V24 will need to be updated for the V28 software. Based on this thread there seems to be an issue with the tapping cycle for the fadal post. I am sure we can come to a resolution for this issue.

M98, I am not sure what controller and post you are working with, care to share?

aldepoalo · Dec 17, 2015

So I just downloaded the Fadal Format 2 post processor for the V28 software that is on our website.

Here is the code I get for the tapping cycle:

Code:

%
O100 (BOBCAD1.NC)
(POST -  FADAL CNC FORMAT 2)
G00 G17 G40 G20 G80 G90 H0 Z0
T1 M6 (.25 DIA. POINT TAP)
G90 S733 M3
G54 X-.5 Y-.866
H1 Z1. D1
M8
Z.2
G84 G98 Z-.7 R0+.1 F733 Q.05
X-.5 Y.866
X1. Y0.
G80
G00 Z1.
M5 M9
G90 H0 Z0
E0 X0. Y0.
M2
%

aldepoalo · Dec 17, 2015

Here is some information I found online

Format 1:

Formula for Q value is 1.0 / TPI (1.0/32 = 0.0312)
N1 G0 G90 S1500.2 M5
N2 H1 Z.5
N3 X0 Y0 G84.1 Z-.5 F1500.2 Q0.0312
N4 X1. Y1.
N5 G80

Format 2:
Formula for F value is RPM / TPI (1500/32 = 46.87)
N1 G0 G90 S1500.2 M5
N2 H1 Z.5
N3 X0 Y0 G84.1 Z-.5 S1500.2 F46.87
N4 X1. Y1.
N5 G80

https://www.fadalcnc.com/media/pdf/Fadal_Rigid_Tapping_Cycles.pdf

aldepoalo · Dec 17, 2015

This is the code I get from the V24 post: Fadal_CNC88_Format_2_Rigid_Tapping_G54

Code:

N31 G80
N32 M5 M9
N33 G00 Z0 H0
N34 M1
N35 T4 M6 ( TOOL DESCRIPTON)
N36 G0 G90 X1. Y0. S595.2 M5 G54
N37 G84.2
N38 G0 Z.1 H4 D4 M8
N39 ( FIRST HOLE AT X1. Y0.)
N40 G84.1 Z-.7 R0+.1 S595.2 F29.75 G99
N41 X-.5 Y.866
N42 Y-.866
N43 G80
N44 M5 M9

aldepoalo · Dec 17, 2015

Ok Here is the code I am getting from the post we built for you.

Code:

:100 ( PROGRAM NUMBER)
(BEGIN PREDATOR NC HEADER)
(MACH_FILE=FADAL - 3XVMILL.MCH)
(MTOOL T1 S1 D.25 C0. A0. H5. DIAM_OFFSET1 =.125)
(SBOX X-1.5 Y-1.5 Z-1. L3. W3. H1.)
(END PREDATOR NC HEADER)
( PROGRAM NAME - BOBCAD1.NC)
( POST -  FADAL CNC 88 FORMAT 2)
( DATE - THU. 12/17/2015)
( TIME - 03:59PM)
( FIRST CUT - FIRST TOOL)
N1 G0 G17 G20 G40 G49 G80 G90 G54
N2 T1 M6 ( TOOL DESCRIPTION)
N3 G0 G90 X-.5 Y-.866 S733 M3 G54
N4 Z1. H1 D1 M8
N5 Z.2
N6 ( FIRST HOLE AT X-.5 Y-.866)
N7 G84.1 Z-.7 R0+.1 S733.2 F36.65
N8 Y.866
N9 X1. Y0.
N10 G80
N11 G0 Z.2
N12 Z1.
N13 M5 M9
N14 G00 Z0.H0
N15 G00 X0. Y0.
N16 M30
%

So it looks like we are very close we just need to add the .2 the the first S code.

Do you see anything else that would need to be changed?

RTM · Dec 21, 2015

aldepoalo said:

Ok Here is the code I am getting from the post we built for you.

Code:

:100 ( PROGRAM NUMBER)
(BEGIN PREDATOR NC HEADER)
(MACH_FILE=FADAL - 3XVMILL.MCH)
(MTOOL T1 S1 D.25 C0. A0. H5. DIAM_OFFSET1 =.125)
(SBOX X-1.5 Y-1.5 Z-1. L3. W3. H1.)
(END PREDATOR NC HEADER)
( PROGRAM NAME - BOBCAD1.NC)
( POST -  FADAL CNC 88 FORMAT 2)
( DATE - THU. 12/17/2015)
( TIME - 03:59PM)
( FIRST CUT - FIRST TOOL)
N1 G0 G17 G20 G40 G49 G80 G90 G54
N2 T1 M6 ( TOOL DESCRIPTION)
N3 G0 G90 X-.5 Y-.866 S733 M3 G54
N4 Z1. H1 D1 M8
N5 Z.2
N6 ( FIRST HOLE AT X-.5 Y-.866)
N7 G84.1 Z-.7 R0+.1 S733.2 F36.65
N8 Y.866
N9 X1. Y0.
N10 G80
N11 G0 Z.2
N12 Z1.
N13 M5 M9
N14 G00 Z0.H0
N15 G00 X0. Y0.
N16 M30
%

So it looks like we are very close we just need to add the .2 the the first S code.

Do you see anything else that would need to be changed?

Just the most important thing

The spindle should be OFF before calling G84 and the spindle speed range for rigid tap is slightly different than "normal". Just defaulting to .2 (high gear) is not appropriate. I do remember the BCC post did that.

Baitjunky · Jan 1, 2016

I had this same issue with a Mazar pp, be sure to scroll thru the pp, towards the bottom, make sure the variables are set to the right number, will be one for rigid tap, as well as feed rate etc. It's pretty self explanatory what number to use once you start reading the lines.

swampterror · Mar 26, 2016

I need one for a daewoo 3016d 3x mill I haven't tried the Canucks pp yet but the v26 has a daewoo on it already im running 28 now.

SeanDa · Mar 28, 2016

swampterror,

Please put in a post request and we will take a look to see if we have a post available for you or we can build one for you. I have provided the link below.

Link:
Post Request | BobCAD Support Portal

Regards,
Sean Daugherty
BobCAD-CAM Post Technician

Billsnogo · Nov 7, 2016

Any chance of updating your selections for post processor to have the correct tapping format? I am having the same problem (posting tapping format 1 in format 2 post processor), but have v27.

Billsnogo · Nov 21, 2016

I take that as a no then?

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