RTCP Support

All things related to the Centroid Acorn CNC Controller

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Houseman303
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Re: RTCP Support

Post by Houseman303 »

Calculation for A axis in the appendix, would also work for the C axis after adjustment.
Attachments
G43.4 for A-AXIS with XYZA setup.xlsx.txt
(5.24 KiB) Downloaded 35 times


suntravel
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Re: RTCP Support

Post by suntravel »

I have made a simulation model with tilting head.

I suppose if the machine is set up right this gcode will be ok to drill at an angle?

Code: Select all

; --- File:      1001.nc
; --- Comment: 
(Machine)
(  vendor: Centroid)
(  model: Generic Tilt Head)
(  description: Generic 5-axis TiltHead)
(T1 D=12. CR=0. TAPER=118deg - drill)
G90 G94 G17
G21
G28 G91 Z0.
G90
 
N10  
(Drill1)
M0
(MANUAL TOOL CHANGE TO T1)
S5000 M3
G17 G90 G94
G54
G68.1
G0 A0. B-45.
G0 G43.4 X-0.355 Y0. Z15. H1
G0 Z5.
G98 G183 X-0.355 Y0. Z-67.627 R-17.627 Q5. P0. F1000.
G80
Z15.
G28 G91 Z0.
G90
G0 A0. B0.
G49
G28 G91 X0. Y0.
G90
M30
Attachments
TiltSim.jpg


H.C
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Re: RTCP Support

Post by H.C »

@Chaz

There is a video on NYC CNC on jerky 5axis moves with Fusion. (5 years ago)

This also applies to cnc12 (centroid doesn't do simultaneous moves in rapid move)

TCP: nhaa prefer dynamic work offset & 5x graphics in cnc12 (for table/table setups) :D


suntravel
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Re: RTCP Support

Post by suntravel »

H.C wrote: Fri Mar 07, 2025 6:10 pm @Chaz

There is a video on NYC CNC on jerky 5axis moves with Fusion. (5 years ago)

This also applies to cnc12 (centroid doesn't do simultaneous moves in rapid move)

TCP: nhaa prefer dynamic work offset & 5x graphics in cnc12 (for table/table setups) :D
Well my mill with AcornSix and Ultimate+ is moving 5 axes together in G0

But yes, fusion can produce jerky toolpaths even with Centroid smooth motion control.

There are ways to make fusion post better g code.

It is not mastercam, but way cheaper also, though a hard bite for hobby with manufacturing extension.

Uwe


WesM
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Re: RTCP Support

Post by WesM »

suntravel wrote: Mon Mar 10, 2025 1:18 pm
H.C wrote: Fri Mar 07, 2025 6:10 pm @Chaz

There is a video on NYC CNC on jerky 5axis moves with Fusion. (5 years ago)

This also applies to cnc12 (centroid doesn't do simultaneous moves in rapid move)

TCP: nhaa prefer dynamic work offset & 5x graphics in cnc12 (for table/table setups) :D
Well my mill with AcornSix and Ultimate+ is moving 5 axes together in G0

But yes, fusion can produce jerky toolpaths even with Centroid smooth motion control.

There are ways to make fusion post better g code.

It is not mastercam, but way cheaper also, though a hard bite for hobby with manufacturing extension.

Uwe
Hey Uwe, I don't know if its available in Germany, but in the US MasterCAM sells an educational suit of their CAM product with full multiaxis functionality. The EDU suit costs about $120 a year, with the only stipulation that you cannot make more than $1500 a year using it.

MasterCAM is what I use at my day job and what I plan to use once I get my machine up and running. $120 a year for a proven industrial grade software package is pretty cheap. In industry, MasterCAM does not necessarily have the best 5 axis motion control, but its lightyears ahead of what I have seen from Fusion.


suntravel
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Re: RTCP Support

Post by suntravel »

Only available in North America.

EDU suite in Germany will not generate g-code.

In my day job I have compared Mastercam mill turn with fusion.

Mastercam offer was 35000€ +3700€/pa service for use on one PC only

Basic Fusion mill turn 400€/pa from any PC in the world one person at a time, 1800€/pa for multiaxis mill turn, milling ect.

The Mastercam Technician could not beat the cycle time we are running with hand coding and only inserting the complex mill turn part from fusion.

We are doing large series, so some longer setup time is less important than the cycle time for a part.

One other thing I like with fusion is that I can pay for the machining extension only if I need it for a day or a month.

Fusion is neither the best CAD or CAM, but affordable for hobby or small business with decent machine simulation

Uwe


H.C
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Re: RTCP Support

Post by H.C »

@Uwe
Well my mill with AcornSix and Ultimate+ is moving 5 axes together in G0
Then i want to see a report from you :D

Must missed a parameter.


suntravel
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Re: RTCP Support

Post by suntravel »

H.C wrote: Tue Mar 11, 2025 1:13 am @Uwe
Well my mill with AcornSix and Ultimate+ is moving 5 axes together in G0
Then i want to see a report from you :D

Must missed a parameter.
Ok, rechecked it, you are right, in G0 Z axis will move last or first depending on the direction :oops:

Uwe


suntravel
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Re: RTCP Support

Post by suntravel »

This Z axis behavior is mill only, with lathe software all axes are moving together in G0.

Would be nice if there is an option in mill software to disable this safety feature ;)

Workaround in fusion is to use a very high feedrate setting and use high feedrate instead of rapid.

Uwe


WesM
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Re: RTCP Support

Post by WesM »

suntravel wrote: Tue Mar 11, 2025 12:57 am Only available in North America.

EDU suite in Germany will not generate g-code.

In my day job I have compared Mastercam mill turn with fusion.

Mastercam offer was 35000€ +3700€/pa service for use on one PC only

Basic Fusion mill turn 400€/pa from any PC in the world one person at a time, 1800€/pa for multiaxis mill turn, milling ect.

The Mastercam Technician could not beat the cycle time we are running with hand coding and only inserting the complex mill turn part from fusion.

We are doing large series, so some longer setup time is less important than the cycle time for a part.

One other thing I like with fusion is that I can pay for the machining extension only if I need it for a day or a month.

Fusion is neither the best CAD or CAM, but affordable for hobby or small business with decent machine simulation

Uwe
Yeah we do have an educational version in the US that does not post G code. The EDU suite is a separate product with full functionality, and able to post just with the profit limitation attached.

Hand code can be very efficient with simple parts. Not something I would ever want to do on simultaneous 5 axis tool paths though.


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