zendesigner

Hoy Ian, Thanks for this cause i was actually wondering why i there was a discrepancy with the text in the INO file. And the behaviour of the disc / home location #define entryStation 5604 // for a 1.8 deg stepper, there are 200 full steps // or 3200 1/2 steps // or 6400 for 1/4 steps // or 12800 for 1/8 steps #define stepsInCompleteTurn 6400 I have all jumpers on and i only get 6400 steps per revolution. If i put it higher in the code it just turns twice around ;-) I actually ordered some DRv8825 drivers to see if this would change. I'll play around with the 1/64th setting tonight. Bart

took a long time for the coupling between the motor to arrive. But here is the first homing test. :-)

Yeah they still sell them. the first one was around 900$. the second one i just payed the parts on factory price as i was a member of their Beta test building team. Don't know if you can see this as it was a closed group before here's my build project for the 3d printer. https://groups.google.com/forum/m/#!topic/bel-v2-beta-testers/aTIcO_ZiOTE Maybe i should say that i also have an upgraded Laser cutter with a smoothieboard setup, and a CNC router also running on smoothieboard an external drivers. It's all playing with steppers Bart

:-) You buy a 3d printer kit. i went for a difficult but a good one. I actually have two of them now. You just follow the instructions and build it ;-) I have two printers of https://www.blueeaglelabs.com/ These are delta printers meaning they don't have linear axes. It gives them better speed, but they are much harder to calibrate then a linear one. It's just like a stepper setup here. It's an arduino mega with a ramps board and 4 stepper drivers. Software is free and downloadable, you can Use Marlin or repetier versions. If you can build a turntable you can buid a 3d printer :-) Bart

Hi Ian, To print the thing that doesn't cost so much. in plastic this might be 2€. It took 28 hours to print though :-). And it took over 100 hours to build and calibrate my 3d printer. but once it's done it just plug and play kinda. In Designing time however this is some hours work. Everything needs to be designed in a cad package before you can print it. I do it in Fusion 360. Which is one of the more intuitive ones. And it's free for hobbyists with a makers license. You can also use Scetchup from google etc. So designing it to your specific table , and to your axle and table height takes a lot of measuring and thinking. You can then print it locally or print it through a 3d printing company like shapeways.com Bart

Hi Ian, Yep i'm on here cause this is how i found out about your board :-) I just got it working in the initial steps. thinking about how and which sensor i'm going to mount for the home position. Ok if you don't mind a lot of pictures. I'm re-engineering a Fleischman/marklin turntable to work with a stepper. Mainly because i don't like the sound of the damn thing . So i drilled out the post and the first ring. Machined an axle from a piece of aluminum with the intention to have it supported on 3 bearings. Then designed a motor mount to be 3d printed. Here i put already the stepper under it. And connected it together. You can also see Ian's board in the picture I'm still waiting for the coupler between the axle to arrive. But first test are very promising. Bart

Great news for me as well as i got my board from Ian, and the nano arrived yesterday. So will be starting on my journey as well to get this operational. Bart