Motorized rotary table

[tonyfoale]

I have posted the code on HMT (above)
Please note I am sure there is a better way to programme but this is my first attempt. If improvements can be made to both codes I would be interested as this is been a long and sometimes frustrating, step learning curve for me and it has taken well over six months to get it to finally work. Lots of help and research on the net to try and understand C+ code. This was suppose to be a simple index project but grow and grow as I realised what could be achieved with the Arduino. I am more than happy for members on HMT to rip the code apart and tell me how I could improve or made it better. I feel the programming is as messy as the wiring in the control box but it does work.
The Home Engineer

I made a similar project earlier this year but I had forgotten about your project when I did it. Considering that, it is surprising how similar the final results are.

It has different modes selected by the letter keys, viz:
* Divide a revolution into N parts and advance one for each button press. (Shown in video)
* Continuous rotation at a specified speed until stopped (also in video)
* Advance to a specified number of degrees.

Anyway the purpose of this post is to enquire whether you are still interested in looking at different coding possibilities. I am quite willing to share my code if you wish. It is only 250 lines and uses a single Arduino Nano. In the meantime here are some pix. Click on them for full size.



The controller. This contains a simple transformer/diode bridge and capacitor power supply for the motor as well as a small power supply for the Nano and display.



This shows the cardboard templates for a pneumatic brake. Which locks the table when stopped. The software controls this automatically.

I use a closed loop stepper and controller. This ensures no lost steps and the controller takes care of everything.
Here is a one minute video of it in action

[tonyfoale]

I forgot to add that I can feed directly into the motor driver from my mill CNC system turning into a 4th axis.

[DIYer]

Thanks tonyfoale! We've added your Motorized Rotary Table to our Machining category,
as well as to your builder page: tonyfoale's Homemade Tools. Your receipt:

Motorized Rotary Table by tonyfoale

tags: Arduino, rotary table

[rstews]

Looks like a nice setup. Are you able to adjust the speed during any operation like when moving by degrees? I am interested in getting the code.

Randy

[metric_taper]

Tony, would be real handy just to post the 250 lines here, as it's easy to copy paste into an Arduino sketch.
Thank you.

[tonyfoale]

Tony, would be real handy just to post the 250 lines here, as it's easy to copy paste into an Arduino sketch.
Thank you.

I'll dig it out and post it.

[Jon]

Six posts split out from this thread by thehomeengineer: rotary table driven by stepper motor controlled by 2 Arduino's

[Jon]

Congratulations tonyfoale - your Motorized Rotary Table is the Homemade Tool of the Week!

This is not only a nice powered rotary table, but it's especially interesting to hear that it connects to your mill CNC.

Some more nice builds from this week:

ER40 Chuck Runout Fix by Alans Home Workshop
Compressed Air Torch by celsoari
Drawbar by winkys workshop
Rotary Knife by Philip Davies
Workshop Trolley by Kwandotechnic
Chuck Backplate by Improvised DIY
Drill Bit Sharpening Fixture by orioncons36
Mini Hand Drill by My MiniCrafts


tonyfoale - we've added your tool entry to our All Homemade Tool of the Week winners post. And, you'll be receiving a $100 online gift card, in your choice of Amazon, PayPal, or bitcoin. Please PM me your current email address and gift card choice and I'll get it sent over right away.


This is your 17th Homemade Tool of the Week win! Here are all of your winning tools:

Horizontal Milling Machine by tonyfoale

tags: mill

Drum Brake Grinder by tonyfoale

tags: grinder, brake drums

Shock Absorber Dynamometer by tonyfoale

tags: suspension, measurement

Valve Holding Collet by tonyfoale

tags: valve, holder, collet

Laser Aligner by tonyfoale

tags: alignment, laser

Double Edge Fly Cutter by tonyfoale

tags: flange, fly cutter

Vertical Bandsaw by tonyfoale

tags: bandsaw

Surface Grinder by tonyfoale

tags: grinder, surface

Radius Gauge by tonyfoale

tags: gauge, radius

Motorcycle Frame Fabrication by tonyfoale

tags: motorcycle, frame

Treadmill Motor Modifications by tonyfoale

tags: safety, modification, motor

Cross Slide Screw Conversion by tonyfoale

tags: lathe, modification

Linear Velocity Transducer by tonyfoale

tags: dyno, measurement

Arbor Press Modifications by tonyfoale

tags: arbor press, modification

Piston Holding Method by tonyfoale

tags: lathe, chuck, piston

Lathe Controller PCB by tonyfoale

tags: PCB, electronics

Motorized Rotary Table by tonyfoale

tags: Arduino, rotary table

[Saltfever]

Oh my, Tony you could be at the F-1 race this weekend and here you are posting to HMT!

What is the resolution of a step? (0.1, 0.01, etc., degrees)

[tonyfoale]

Jon,

I certainly did not expect TOTW. It started as a delayed response to the similar post by the thehomeengineer which also won a TOTW, and when split into its own post I intended to add a lot more detail, and still will. Anyway I will gratefully accept the award with a feeling of modesty.