Cromwell S800 Mk3 lathe

[samthedog]

Excellent progress. You have to be happy with the results so far.

Paul.

 

[RodF]

Thanks for the support guys. I feel like I have the project under control and can finish it to reasonable standard. Still a lot to do and I expect it will fill another page at least.

Rod

 

[RodF]

Started work on the speed control mechanism. I am going to make the parts on my 3D printer. First some tests to get a nice sliding fit linear bearing. These will slide on 2 1/4" stainless steel shafts.

 

[RodF]

Working away at the parts for the speed control mechanism. Have drawn up most of the parts. Work in progress.

 

[RodF]

Here is the potentiometer drive wheel

 

[RodF]

I have the linear slider nearly finished.

 

[RodF]

I have been working on the speed control mechanism. Have been making new parts to fine tune it. Nearly there now, just need to make the knob.

 

[RodF]

Changed the filament to black and printed a speed control knob. Added a regulator to the control circuit, this gives me speed control in forward and reverse, servo on, and fault reset. Now need to print an enclosure for the transformer and circuit board and wire it up properly.

 

[RodF]

Got the control knob installed. Am happy with the action.

 

[RodF]

Started on the enclosure for the speed control electronics. Here is a screenshot of the base in Solidworks.