Pneumatic adhesive dispensing application

[js4325]

Hi,
I'm planning out a large adhesive dispensing machine and am wondering how I would go about it. The dispenser uses a solenoid to turn on/off the flow of adhesive. I'm planning on using the Oak controller with servos.

What CAM software would you recommend, starting from 2D CAD files? It looks like plasma cutting oriented software is a relatively close fit...
Am I able to set up a delay between the valve opening and the axis moving (to account for the viscosity of the adhesive)? Same for turning off the valve before stopping motion to avoid blobs?

Thanks

[cnckeith]

hello. sounds like a good application for Acorn. Is there a feature of Oak that you need for this application?

simple solenoid on/off is no problem, delay is no issue.

M3 ; turns valve on
G4 P.5 ;wait half a second
G1 X3.546 F300 ; move from current position to X 3.546 at 300 inches per minute
G1 Y4.5 ; move from current position to Y 4.5 at 300 inches per minute
G4 P.25 ;wait quarter of a second
M5 ; turn off valve

[js4325]

It looks like Oak is better suited for driving AC servos, as opposed to step/direction control that the Acorn supports.

[aamir]

Do u want to control flow of the adhesive?manually or automatically?

[aamir]

For such application Oak is better

[cnckeith]

It looks like Oak is better suited for driving AC servos, as opposed to step/direction control that the Acorn supports.

Acorn works very well with AC drives and is compatible with many more AC drives than Oak. Often setup and tuning of AC drives is easier with Acorn especially with drives that don't support Oak "precision mode/position mode". for this machine oak seem like overkill unless you have some other reason to use it.

[js4325]

Do u want to control flow of the adhesive?manually or automatically?

Ideally I'd like a workflow where I start with a .dxf and end up with a toolpath containing GCODE to open and close the valve. My mind springs to 3D printer slicers where there's a section for start/end GCODE or macros. Worst case I could copy/paste 'macros' manually.

It looks like Oak is better suited for driving AC servos, as opposed to step/direction control that the Acorn supports.

Acorn works very well with AC drives and is compatible with many more AC drives than Oak. Often setup and tuning of AC drives is easier with Acorn especially with drives that don't support Oak "precision mode/position mode". for this machine oak seem like overkill unless you have some other reason to use it.

Okay, thanks for the help!

[tblough]

Here's a short video about how Centroid DXF import works: