Mini Lathe Base/Without Motor Part - still in progress/

thingiverse

13.11.2014 - Inspired by this thing http://www.thingiverse.com/thing:526074 , I have created my version. You will find all the necessary details on the pictures. Use support only for Rod Holder - it's not easy to remove it afterward, but it is possible. This Part is final. There won't be any changes on it. You can create your Motor part or wait until mine is ready. I'm using parts from cheap Chinese 16" air fans that cost between 10-11 euros as new. If you notice anything missing, post a comment. 14.11.2014 - I've added a new detail that may be used universally for motor parts if you use a 10mm bolt, rod, etc. for the main holder. It's your decision whether or not to use support. I don't use it, as shown on the photos. 15.11.2014 - Some updates for today. Only for those who will use exactly the same motor from the 16" air cooling fan or at least have a motor with the same distances between holding holes (shown on the picture). It's a brushless motor with a bushing in its origin. You'll need to update BearingHolder.stl with 608(8x22x7mm) bearings, filing is required - I didn't calculate some projections inside the caps. Propeller4Motor.stl needs to be replaced with the original propellers, which usually fall apart when you take them apart. You'll also need 4 longer M4 bolts (x45 mm) to replace the original ones for connecting front cap-coil-rear cap. You can use 16 x M6 nuts as spacers or create your own 8 x 4mm x 10mm long spacers. Additionally, you'll need 2 x 8mm x 12-14 max mm x L10-12 mm to clear the axial movement of the rotor. You won't need anything else because BackBase for the motor is okay. Unfortunately, I didn't expect that the front cap wasn't only not symmetrical but also had different hole patterns than the rear one (29 mm x 50 mm). So, use a 6.5mm drill towards the central ring from the three connecting holes on the Front Base. You can use the original three-speed mini controller from the fan, and the front part of the motor axis is long enough to be used directly with an 8mm coupling made from a detail you'll create on a lathe, ignoring the update from yesterday. Most importantly, don't ever forget that this is a caseless motor! There's a high risk of electrical shock! Firstly, find a way to make a cover, and don't touch it when it's on! I won't be responsible if anyone gets shocked by AC! The rest who use their own motors may ignore this update (MotorBaseBack.stl; MotorBaseFront.stl; BearingHolder.stl; Propeller4Motor.stl). 16.11.2014 - I've added files of the base and motor parts in an Autodesk CAD 2010 or above format. 17.11.2014 - I've uploaded three couplings: 8mm to 6 mm (L50mm), 8mm to 6 mm (L50mm), and another 8mm to 6 mm (L50mm). They're for M5 nuts and bolts. I made a video (https://www.youtube.com/watch?v=KCywfDDTD0Q&index=1&list=UUVWwj0KexccUnADqQqO8I4g) with the first test on a PTFE piece at motor speed 1. 19.11.2014 - I've reworked toolholder parts so they're 20mm longer towards the motor, and you can now fit bigger objects in your lathe. 13.03.2015 - I made some clamps for M5 nuts and bolts so that an electrical drill can be used as a motor. I've uploaded a new version of MotorPart so you can rework the clamps to fit your drill. The thing is now final; there won't be any further changes. 02.08.2015 - Ver. 2.0 soon... 03.08.2015 - Check out ver. 2.0 here: http://www.thingiverse.com/thing:953820