Mini DVD Motor 3d Printer
Description
DISCLAIMER, this design uses the motors and smooth rods from DVD drives, I cannot guarantee this to fit all DVD drive parts if they are different or non standard. This was done as a scrap project so if you wanted to do this and buy DVD drives, the parts may not fit without modification. Also DVD motors need to run at a lower current than the motors 3d printers usually use, the motor drivers will have to be turned down otherwise the motors will be dangerously hot. EDIT: 19/04/20: Added "Z Base R2" which strengthens where the rods go into the Z Base. Added "Z Carriage 3.3 R2 Slotted" The Z carriage with slots taken from where it slides along the rods to help with tolerances. Added "Long Clip" 2 of these hold the glass on nicely. EDIT: 02/06/19: Added remix of a pi zero case to run the printer without a PC: https://www.thingiverse.com/thing:3668215 EDIT: 19/05/19: Added a mount to attach the titan extruder motor next to the printer. EDIT 18/05/19: I have added new "carriage teeth" files, they are now curved and grip the leadscrew better. Also I realised I had the carriage teeth the wrong way round! No wonder they stopped working so fast, I am amazed they worked at all! I have also added a new file for the Z base and Z carriage to give the Z carriage more length along the smooth rod. EDIT 12/05/19: I will be trying to improve the Z axis as I have had some trouble with it binding. I will probably make the carriage longer so that it cannot twist a little and bind. When the printer is printing it seems to work well but I have been reprinting parts lots as the Z axis is having trouble. So this project is nothing new, people have made 3d printers, CNC, engravers before using this hardware. What I wanted to do differently with this is have a designed 3D printed frame to hopefully fit standard parts. Instead of mounting full metal dvd drive assembly's together and look like a DIY project I wanted a something that could be more compact and neat. This project is not for everyone and would only recommend to someone with a decent knowledge of 3d printers, basic soldering and lots of patience. Also some fiddling was needed to get the right amount of tension on the leadscrew, this bit is a massive pain but hopefully no one else needs to go through quite as much issues as i did with this bit. They will wear out though and a 3d printer will be needed to print new parts for it when they inevitable wear out. It runs on a MKS GEN L, which I chose due to it being cheap and fairly small. It needs a 12V power supply, I used a 12V 80W laptop style PSU and attached a DC plug to the printer. Hotend assembly is a clone e3d and a titan extruder sits on the floor next to it. It runs headless over USB, this is partially an oversight as I didn't realise the board had no SD card reader built in. The "carriage teeth" file has 2 versions, if you are planning to make this, print more than you need of these and do it in PETG, this makes them last better and have a bit of flex. They are prone to wear and they need to be tight on the leadscrew, but not too tight. If anyone decides to make this please do post a make. Any questions let me know in the comments because I the instructions are not too detailed. Build Volume is just 40*40*36mm with the glass on the bed. The e3d fan mount attached to the heatsink is not part of the design and not be me. Here's a link: https://www.thingiverse.com/thing:1658075#
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