🤑 GitHub - mtu-most/linear-actuator: Code and model files for open source linear actuator

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Code and model files for open source linear actuator. For full access to BOM, instructions and the academic paper on the testing of the open source syringe pump.


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Object to be controlled: CON35 & CON50 in line linear actuators. This develop must be meet the following requirements. Because of their compact size these.


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An Open Source Linear Actuator.


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open source linear actuator

Have you consider making the coils rectangular shape so that they can be closer to the adjacent one and also make better use of space? This means that this flexible pcb actuator can be used with lower voltages. You'd probably only need three sets of coils, so driving it would be easier, but you'd consume more power Interesting and very cheap idea but it would increase the friction of the slider. Already have an account? Yes, I can build exactly what you built from the gerbers but it is hard to derive something new from them. Your creativity is exciting. To make the experience fit your profile, pick a username and tell us what interests you. Can the circuits be printed on a silicone membrane? I did not expected this thing to work. This is an exciting project and I am really happy to see the progress from the initial motor to this outstanding actuator. My initial design was with rectangular coils but you can get more turns with circular coils rather then squarish coils. Use 90 degrees or 45 degrees corners. It is not like the tract to track spacing has changed. To simplify the electronics i have connected these in sets of 3, each having 4 coils in parallel for maximum current, and then in a delta configuration. Looked at this awhile ago but moving forward with a split of this project. The first prototype of my Linear PCB motor has 12 coils. The magnetic field of the windings need to be a little stronger but the concept seems to be working. The flex PCB is made from a polyimide material which is highly resistant to heat, which makes the surface barely hot. Hi, amazing can you post about your drive circuit. But its something that's worth testing : The twelve coils are connected in three set all in parallel to drive them with a higher voltage. Where is the education in that? Cool project so far though! Any way good luck. But it actually didn't. Do you plan to use also bottom coils to add intermediate steps and increase resolution while reducing dumping? Although it only has 70 turns, the thin dielectric will improve the coupling. You might be able to do something similar to how digital calipers work on the same PCB, that would give you excellent positional feedback to the coil driver, allowing very precise and repeatable movements. Renaming or deleting may be required. Today i have ordered some new test boards with a total of 9 pcb coils. I've got some STM8s on order they're supposed to have some good motor control features, and also cheap. Learn More.{/INSERTKEYS}{/PARAGRAPH} Are you sure? Think of it as an expandable table. In the video i have wired the coils in a parallel and in a delta config. Although the number of turns have now reduced to 70, the thin dielectric will improve the coupling. This is obviously just a concept but with more windings and perhaps with a core in the middle of these printed windings, it can be possible. The main reason is that the shape of the tracks cannot be done by their machines. The thin dielectric of this pcb also improves the coupling of the magnetic field. Also, I need to find a way not to stain the container with the ferrofluid.. Not exactly sure what other type of open source files you're requesting.. I'm quite interested in this project. I've looked around and haven't really seen any code for linear motors specifically. This means that more current can pass through it, so obviously it gets a little hotter. Ok so I had to make some modifications to the slider design. To replicate this actuator, you have to have some knowledge of what you're looking at already. However, if stretching is kept to a minimum, would we get little mounds instead of ripples? We found and based on your interests. With these gerber files you can easily order some pcbs from any manufacturer and start testing. What plans do you have for sensors, my understanding was you couldn't do a sensorless design with linear motors or are you just timing it? Also, are you driving the coils individually, or in groups. If you take a cross section along the diameter of a circular coil, then stretch the cross-section out horizontally. Thank you oshpark. Without a license allowing modification and redistribution, it absolutely is not open source in any sense of the term. Create an account to leave a comment. I'm going to add this idea to my toolbox. What type of open source file? Detected multiple internal layer 1 layers. The jumping behavior of the spherical magnets was observed with the same waveform. I was afraid that its resistance is going to be too small that it will over heat. These are creating a total resistance of View all 17 project logs. About Us Contact Hackaday. You should Sign Up. At the heart of open source is that everyone can educate themselves on the concepts, not so that people can download someone else's file and "just print it". The voltage was set to 8v. The major issue was that I did not leave enough clearance for the pcb, so the slider was getting stuck in some regions. The pcb coils have a total a turns on 4-layers. This is so freaking cool! The pcb is dual layer and is 0. For some reason I couldn't reply to Carl's response. And what plans do you have for motor control? Cool project! In half dozen of them already, they tell me that this is not easy to manufacture. Become a member to follow this project and never miss any updates. Is it though? Since this does not actually have to do with the Linear PCB motor although same pcb , I have set up a different project page for this:. The number of tracks hence the number of turns should remain the same. Three of these coils also have a 5mm diameter hole in the middle to test them with an iron core. Log In. The only files I see here are gerbers, which aren't exactly source. These have different turns, to try and find the best size-to-strength ratio. The idea is to have ferrofluid dancing around from a simple PCB. A 3d-printed rig with magnets is used to slide across the pcb and is actuated by the winding's magnetic field. Yeah, it would be easier to replicate if the files were not just Gerber files, but just a little extra work. Abduulah Omran. I should upload a project log on this in the next few days. By applying a six-step waveform it will have one coil north, one south pole and the other unpowered. What sort of current are you putting through them? Ok so lets be honest. {PARAGRAPH}{INSERTKEYS}Not a member? Choose more interests. It is a little bit false advertising to call this open source since the open source expectation is that you can easily replicate it. RAR Archive - The flex PCB has half the turns, so its resistance is lower. Carl Bugeja. Unnecessarily too, as this project stands alone without that. Stretching too much would break the circuit, of course. Thanks for making it open source :.