Injection molding
- vre
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14 Oct 2025 21:48 #336451
by vre
Injection molding was created by vre
Can linuxcnc used as controller for hydraulic injection molding machine ?
For example to read thermocouples and do pid temperature control
actuate hydraulic solenoids read linear scales encoders and pressure sensors.
Does anyone have done retrofit of injection molding machine with linuxcnc ?
A machine that is not gcode controlled and not have linear axes..
For example to read thermocouples and do pid temperature control
actuate hydraulic solenoids read linear scales encoders and pressure sensors.
Does anyone have done retrofit of injection molding machine with linuxcnc ?
A machine that is not gcode controlled and not have linear axes..
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- langdons
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14 Oct 2025 22:27 #336457
by langdons
Replied by langdons on topic Injection molding
A picture and a description of the scope and size of the machine would be helpful.
Hydraulic machines can be very powerful, be careful!
Hydraulic machines can be very powerful, be careful!
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- unknown
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15 Oct 2025 00:02 #336464
by unknown
Replied by unknown on topic Injection molding
There's an example of an electronic gearbox for a lathe, no gcode, just a custom GUI and some HAL connections.
Probably not a lot that you can use, but an example of what you can do.
My guess would be as long as you can get the data into linuxcnc and output any control values based on the input you should be fine. This would probably require some custom HAL written components to operate on the data and apply the output required. Oh yeah and maybe a gui.
The absolute simplest example I can think of is the parallel port tester, doesn't have any kinematics, but does allow you to control outputs and read the state of inputs.
Just throwing this out there.
MRO is another example. Maybe this could be a starting point, just start be reading data and displaying it, once you have that nailed, you could start with some simple HAL components to manipulate your data.
linuxcnc.org/docs/html/gui/mdro.html
Not an exact implementation but kind a simple example of what is achievable.
No doubt Andy will have a better idea and contradict everything Ive said, as he's way way more knowledgeable.
Probably not a lot that you can use, but an example of what you can do.
My guess would be as long as you can get the data into linuxcnc and output any control values based on the input you should be fine. This would probably require some custom HAL written components to operate on the data and apply the output required. Oh yeah and maybe a gui.
The absolute simplest example I can think of is the parallel port tester, doesn't have any kinematics, but does allow you to control outputs and read the state of inputs.
Just throwing this out there.
MRO is another example. Maybe this could be a starting point, just start be reading data and displaying it, once you have that nailed, you could start with some simple HAL components to manipulate your data.
linuxcnc.org/docs/html/gui/mdro.html
Not an exact implementation but kind a simple example of what is achievable.
No doubt Andy will have a better idea and contradict everything Ive said, as he's way way more knowledgeable.
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- tommylight
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15 Oct 2025 00:19 #336466
by tommylight
Replied by tommylight on topic Injection molding
LinuxCNC can do all that, and much more, but it is much better to use a micro controller for that task, usually PLC, but you can make your own PLC just search for "arduino PLC" or "ESP32 PLC" .
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