@dc42 I log myself on duet forum and i noticed that you are hw designer and sw developer of the board. Quite nice project ! USB: - i have to check the firmware before i can continue this part of conversation but what i meant regarding handshake is: --> before i convert string to gcode, does this have to be sorted somehow. Do i have to send x,y,z in this or some other order ? On the other sidby Arnix - Delta Machines
I got my duet board ! Now, this is some serious peace of hardware :-) @dc42 1.) OK, but how do i make handshake with firmware ?. Because am sending those GCodes from our own software, not from DUET web interface. USB host , Ethernet packages with gcode encapsulation ? Basically,what do i have to do before i can send GCodes to DUET board :-). 2.) Great ! @O_lampe 1.) check :-) 2.) check :-) 3by Arnix - Delta Machines
HI guys ! I will get my duet board in day or two and am still waiting for motors. I took nema23 just because i want to see how strong they are. OK. now the interesting part :-) Starting with DUET3D. 1.) At the first view i can hook up duet with USB or ethernet so i guess i can send data coordinates on the same way. But, how can duet process the incoming data ?. Do i need arduino for this orby Arnix - Delta Machines
DUET3D quote: If your motors are rated above about 2.8A and you are using the Duet WiFi, or above about 2A and you are using the Duet 0.6 or 0.8.5, or if they need higher voltage than the Duet can provide, then you need external stepper motor drivers. These generally have optically isolated step/dir/enable inputs. For example, stepper motor drivers rated at up to 5A using the TB6600 stepper drivby Arnix - Delta Machines
Hi guys ! After some thinking and consolidation with my colleges, we decided that we will go with openCV but we will use pixy as backup. OpenCV is great peace of sw and it has bunch of options so i think that this could help us. Motor: - ok i will take a look Duet board - @dc42 --> are you selling duet boards ?. @cobalt griffon - it's some sort of pnp machine. It looks like am not the onby Arnix - Delta Machines
Hi ! 0.) Design the Delta frame in a way to be able to use belt pulleys of different diameter. That way you can modify speed vs. torque without replacing steppers. ** i agree with that :-) 1.) - what kind of nema23 stepper motor would you suggest to use, with duet board ? - i saw that DC42 has done some tests with this board, so if you read this, please share your suggestions too. - also, dc42by Arnix - Delta Machines
I have to finish the BOM list so i will try to summarize all your suggestions :-) But before all, let me just say that speed of the robot is the main thing so everything depends on it ( servos, vision, gearbox.... ) 1.) Pixy - I saw this project before some time but i give up because i was thinking that there is no way that arduino can process pixy data and control the stepper motor controller,by Arnix - Delta Machines
Hi dc42. I dont have to use nema 23 motor. The "only" thing that matters in this setup is speed. Am aiming to get between 40 - 45 pickups per minute ( 50-60 would be my final goal in near future ). If this can be done with nema 17 motor and DUET board, then we can use this. I was thinking to use 23 motor just in case if we will need to add gearbox to increase the speed (maybe am on wrong trackby Arnix - Delta Machines
Guys, what can i say... thank you for suggestions and ideas ! I will go then with duet board. @dc42: something like this: I will check the calculator too... @o_lampe The throwing idea is great and with some head alignment it could work very well. Thnx ! Arnixby Arnix - Delta Machines
Hi guys ! Am terrible sorry for late reply. I catch some cold and i was like zombie for few days:-) The idea is to build standard 3 armed parallel delta robot. Forearm would be the first ( smaller arm, connected directly to motor ) and bizeps is actually connecting rod... Vacuum pump: - to be honest i didnt think much about that but now when you point it, i think i should create some differentby Arnix - Delta Machines
Hi to all ! This is my first post to this forum. We ( four of us ) are planning to build and implement pick and place delta robot that would be similar to ABB'a flexPicker. Of course, not so complex and with lower pickup rate. I hope a can get some good technical guidelines on this forum so i will write my questions in full detail :-) Stuff that i know: Conveyor track size : 50 cm Conveyor speby Arnix - Delta Machines