Problem 2x spiralcut and 2x profil
Message 1 of 21
I have one question about ZW3D 2012 SP2.
There is a problem with 2xspiralcut, when i use RadiusOffset and "spiral_outward" direction.
ZW3D will turn on the RadiusOffset (G41) in the middle of the ISO code.
N17 G00 X-129.8 Y17.771 M8
N18 G00 Z100.
N19 G00 Z2.5
N20 G01 Y25. Z-1.673 F50
N21 X-130. Y25.2 Z-1.837
N22 X-130.2 Y25. Z-2.
N23 X-130.1 Y25.025
N24 Y25. F100
N25 X-130.149 Y-14.99
N26 X-130.103 Y-15.103
N27 X-130. Y-15.145
N28 X-129.897 Y-15.103
N29 X-129.85 Y-14.99
N30 X-129.801 Y25.
N31 X-129.859 Y25.141
N32 X-130. Y25.2
N33 X-130.141 Y25.141
N34 X-130.2 Y25.
N35 G41 X-133.977 Y-15.384 F250 <---- !!!!!!!!!!! here no G41 is used at the moment
N36 X-133.611 Y-16.579
N37 X-130.821 Y-19.014
N38 X-129.347 Y-18.92
N39 X-128.165 Y-18.532
N40 X-127.159 Y-17.796
N41 X-126.429 Y-16.784
N42 X-126.061 Y-15.649
N43 X-122.186 Y25.774
Please see pics for settings !
The support say they is a problem in ZW3D and we should use "follow_outward".
But the "spiral_outward" is much better, round ways and better entry in the material.
Next problem is 2xProfile.
Just make this settings an page 2 parameters:
Cleanuptype: "Single Finish Cut" OR "Cut with levels"
In page 1 parameters :
"by area" ... hope this is the correct word.
The first "turn" is correct, then ZW3D will turn off RadiusOffset with G40 and turn on with G40 without any space.
The machine will set the radiusoffset and damage the contour.
Why the cutter will turn 2 times and will set the G41 wrong like in 2x spiralcut ?
Is there a way to fix this and the 2xspiralcut problem in 2012 SP2 ... like update/edit some config files ???
Message 2 of 21
Same problem in ZW3D 2013 !!!
Draw this like see in the picture.
Then use an 16mm milling cutter.
If i use an step value of 50% it works, if i use more or lower it do not work !
You see a G41 in the ISO code.
This is when use "side cleanup distance" and "side finsh thick"
Dont know anyone about this problem ?
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Buying another cad cam program is indeed not productive.
But the quality of VXpost and ZWpost until now has not been as good as the most used third party post processors used with ZW3D.
So, i do not totally disagree with Dave if he refers to the post processor only with his comment.
To be honest, we have always advised an external program because of the higher quality and quick response time of the developers in case of problems.
For ZW3D it should be of the highest importance to have their post processors bug free if they promote it to the customers.
Beware of the negative influence on the overall impression that people can get from a great CAD CAM system if the last link in the chain (post processor) appears to be the weakest.
We just sold our first seat without third party post, so please do not make me regret it.
Message 7 of 21
Dave Ault (cutter) has no interest in trying to help ZWSOFT make ZW3D a better CADCAM product and has bad mouthed ZWSOFT for well over a year all over the Internet as well as on his own worthless fog blog.
Here is just one of many of Dave Ault's worthless fog blog posts bad mouthing ZWSOFT and ZW3D:
http://solidedging.wordpress.com ... dirge-not-drumroll/
CADCAM Technology Leaders group on LinkedIn
Message 8 of 21
My english is not very good, so i do not understand all.
But i understand the words "buy a other program"... but this answer will not help !
What you mean with "Spiral cut has been broken since 14.5" ?
Is 14.5 an older VX version ?
This is not a problem from postprozessor, in the CL file the cutcom will set wrong.
We dont use the VX or ZW post.
I think its better to fix old problems and than generate new functions....or not ?
One way to fix this is, not use the cutter compensation.
1. spiralcut rouhing with no compensation, an rest material
2. profile rouhing with rest materail, like 0,2mm
3. profil finish
... but if i have many holes or something, it will be a little confused
@ZW3D Team :
Is there a way to fix this ?
Will it fix in 2013 ?
Message 9 of 21
If your machine control needs at least one linear move before entering an arc to apply the compensation on, you should select a lead in move that provides enough linear elements prior to entering the contour.
So perhaps a little tweaking in this area might help
Message 10 of 21
The problem is, in this moment, the cutter compensation should not be set ! Its not a problem with the machine.
2xspiralcut will cut the first rounds without compensation and only the last with compensation. But in the example it will switch on the compensation in the middle of the part, at the beginning of cutting.
I think its not the problem wit "Safe distance" , "Engage Arc Rad" and so on...but i will test this again.
See the two pictures with the iso code.
I ONLY edit the Step Value from 50% to 49% OR INSERT AN "side cleanup distance" and then there is an G41 in the code ???
Thats not correct.
Im waiting about an answer from the ZW3D Team !
Message 11 of 21
I have been a customer of VX/ZW since V9. I have made a lot of money over the years with the program BUT how do you deal with problems that exist for years and software that is falling behind. For the overall cost ZW does provide value as an entry CADCAM program but there are far more efficient things out there. For example I have had a bunch of S-7 tool steel to cut recently and the choice is legacy tool paths with ZW with AFC and slow cubic inches of material removal rates and a large engagement angle which breaks endmills or a high speed machining toolpath where I am zipping along at 139 IPM and the cutters last for roughly three hours before I change it out. Which has greater value to you?
Ha ha Jon, strike a nerve did I? To bad for you but at least I HAVE spent money with VX/ZW over the years and do know how to use the program. As for you Jon, you have not spent any money, your knowledge is limited to whatever you can learn with periodic trials of programs you never buy. Please explain to us why anyone should take you seriously? Luurt, I can verify I am a real customer whereas Jon can't and you listen to him at your own risk. Someone who does not use a program is hardly qualified to talk about it but that has never stopped Jon from speaking anyway. Ask Jon for a file to explain his viewpoint and get ready for the abuse you will receive for even daring to ask. All talk and no walk.
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Message 14 of 21
Without a doubt the CAM side of ZW3D is not getting the development it needs(besides the user interface). I've made this clear for well over a year now. There are some CAM improvements in ZW3D 2013 but it's no where near enough.
CADCAM Technology Leaders group on LinkedIn
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Message 21 of 21
2xProfile solved !!!
The problem is (or was) that the "Traverse Type" is set to "direct back" or something else. This in combination with some other settings makes problems !
The "directly back" option will also let other setings turn of. When i use 2xspiralcut with helical plunge, and more than one steps, then the second plunge are always is "ramp" not helical.
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