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Author Topic: Mill or Turn?  (Read 3610 times)

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Offline Hood

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Re: Mill or Turn?
« Reply #160 on: May 23, 2019, 12:27:31 PM »
Have you got a dxf of the part and also dimensions or a link to the  tool are you using?
I would use two tools normally, maybe even three but as I have a turret it is not an issue for me using multiple tools. If wanting to use a single tool and it is a multi directional tool then I think I would just be using a conventional style turning toolpath.

Offline Davek0974

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Re: Mill or Turn?
« Reply #161 on: May 23, 2019, 04:08:40 PM »
No dxf, its a simple shape, 23mm dia, 24mm long, 3mm rads on ends, 6060 aluminium.

The tool is a Korloy MGEHR with a MGMN150-G PC5300 insert, 1.5mm wide neutral angle, with clearance, max depth 14.5mm.

;)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives

Offline Hood

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Re: Mill or Turn?
« Reply #162 on: May 23, 2019, 04:42:30 PM »
Ok, I personally prefer the radius inserts with the MDT's and to save me the bother of setting a new tool up in BobCAD I just used the Seco one I already had in the tool table.
Here is how I would do it, not done the parting but you could use the same tool.

https://www.youtube.com/watch?v=_4YIGK5yl3E&feature=youtu.be

Offline Davek0974

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Re: Mill or Turn?
« Reply #163 on: May 23, 2019, 04:46:34 PM »
Interesting, not a million miles away from my attempt, i'll try CAM'ing it that way....
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives

Offline Hood

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Re: Mill or Turn?
« Reply #164 on: May 23, 2019, 05:21:47 PM »
Just messing with the latest version of BobCAD and it makes setting up tools easier than the old version I am using so I decided to try your part with your tool.

https://www.youtube.com/watch?v=SGvw1F7qERQ&feature=youtu.be

Offline Davek0974

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Re: Mill or Turn?
« Reply #165 on: May 24, 2019, 02:40:14 AM »
Thanks,

Looks almost identical to my flavour I think, can't see any practical benefit for tool or work?

I checked BobCad and never knew it was that expensive ;) I'll stick with Fusion I think until they withdraw the free usage.
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives

Offline Hood

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Re: Mill or Turn?
« Reply #166 on: May 24, 2019, 04:16:29 AM »
BobCAD is not as expensive as the listed prices suggest, or certainly wasn't.
Fusion isn't really free unless you are a student or a hobbyist, at least that is what I made of the licence agreement but maybe I am wrong.

Offline Davek0974

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Re: Mill or Turn?
« Reply #167 on: May 24, 2019, 04:20:59 AM »
Yeah, I count as a hobbyist because my turnover is way below the mark, luckily. When they move that mark, things will change and because its all cloud based I could lose all my work :( Being held to ransom really, hopefully it will continue for a good time yet though.

The rumour is that its free as we are effectively Beta-Testing it for them, long may it remain in Beta ;)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives

Offline Davek0974

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Re: Mill or Turn?
« Reply #168 on: May 24, 2019, 06:59:52 AM »
Ok, thanks to the tool path and dry run, i can see a problem, i think?

Arrowed in the pic attached is a path that bothers me.

This tool plunges ok but then makes a 45 degree retract - this will be cutting metal way deeper than the insert is allowed i think on its flanks.

I can see no settings in fusion that will stop this action, lead-ins and lead-outs are off.

Any ideas?

This is the code...

Code: [Select]
N20 T0101
N22 G54
N24 M8
N26 G95
N28 G97 S707 M3
N30 G0 X45. Z0.
N32 G48 S3000
N34 G96 S100 M3
N36 G0 Z-26.4
N38 X29.
N40 G1 X25. F0.1
N42 X21.986
N44 X23.986 Z-27.4
N46 X27.425
N48 G0 X29.
N50 Z-24.933
N52 G1 X25. F0.1

Line N44 seems to be the one.
« Last Edit: May 24, 2019, 07:07:21 AM by Davek0974 »
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives

Offline Davek0974

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Re: Mill or Turn?
« Reply #169 on: May 24, 2019, 07:08:32 AM »
Ignore the last post, a guy on Fusion forum just replied - its called "Back-Off" distance, setting it to zero cures the path.

 :) :)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives