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Emco compact 5 cnc lathe with Welturn

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Emgee24/02/2017 13:44:22
1344 forum posts
212 photos
Posted by Stefan Kovačević on 07/06/2016 10:39:35:

Done some hardware tinkering with help from Sam and derstrap on cnczone, removed the welturn "card" placed the 4th dip switch in lower position, and used Sam's config files for EMC2 and it works like a charm!


Read earlier posts frpm Stefan, seems he has had a good result, the link to cnc zone you posted is very old and some better units are now available.


Stefan Kovačević24/02/2017 16:28:40
10 forum posts

Hi Michael, you might want to check the thread

My Emco was running just fine with stock parts, but with EMC2 as a operational software, instead of WellTurn.

It wasnt so hard, especially if you are familiar with Linux (I wasnt, and I m still not familiar lol).

Just have to install it as an OS, EMC2 is incorporated there, and you copy the folder Sam made and you will be able to run it (with a tweak or two).

In the meantime, I replaced all the hardware on my machine with modern electronics, but I m still running it on EMC2.

If you need help, shoot!

MICHAEL Moore 126/02/2017 17:00:01
8 forum posts
Thanks for the reply. Unfortunately due to a lot of damage and missing parts for the Emco I need a lot of new bits so I want to do it as a cnc. Any help sourcing the parts is greatly appreciated.
Stefan Kovačević26/02/2017 17:35:50
10 forum posts

what are you missing?

MICHAEL Moore 126/02/2017 20:56:30
8 forum posts

All the electrics at the back are torn out and damaged and the front buttons panel is in a bad way.

I was hoping to fit new steppers through an appropriate motherboard and power supply through a suitable pc / laptop

I hope this is possible

Raglan Littlejohn26/02/2017 22:27:17
31 forum posts
21 photos

Michael, I would recommend Linux cnc for this lathe. I bought a pc like this," HP Compaq DC7700 - Core 2 Duo E6600 2.40GHz 1GB RAM 160GB HDD SFF PC Serial Card", from an eBay seller, itinstock.This was £30 including delivery, and runs Linuxcnc with no problems. You just need a screen/keyboard/mouse to go with it and your ready to install Linux. Linux takes a bit of getting used to, but there is plenty of information on line, and it costs very little to get an old pc set up with it. I had an Emco Compact5cnc which I bought to learn cnc (sold it last year). The original electronics all worked, so I did not convert to Linuxcnc. The original cnc was very limited, it could only do arcs of a quarter of a circle, and radiuses to the nearest whole mm. Despite this it was a good machine for learning gcode etc. It should be cheap enough to get your machine going with modern steppers/drivers etc. I've found this place very good, I bought a couple of their cheap break out boards (one for spare),and I've been using the original for a year with no problems. I've also used these, TB6560 3A CNC Router 1 Axis Driver Board Stepper Motor Drivers ,at £5.27 from Bangood, and they work fine.

Hope this helps,


Emgee26/02/2017 23:43:17
1344 forum posts
212 photos

Hi Raglan, your Emco 5 must have been an early lathe as from Mk3 onward although it was required to do a full circle using 4 commands (4x90deg), or part arcs for the desired angle, arcs of any radius can be made up to the built in limits, but it does need a full understanding of the G code programming using G02/G03/M99 and even then it is easy to make errors in the code.

Cheap controller test running steppers on Emco 5 cnc lathe



Edited By Emgee on 26/02/2017 23:57:10

Raglan Littlejohn27/02/2017 07:06:10
31 forum posts
21 photos

Hi Emgee, Thanks for your that. I'd forgotten that mine was a Mk2, and the Mk3 could do arcs of any radius. It was still a very nice little machine, and all the electronics still worked despite being about twentyfive years old. I did manage to connect an old TV to it to moniter the g code, but I entered it all on the machines key pad.


Emgee27/02/2017 10:26:14
1344 forum posts
212 photos

Hi John, yes it's really a big bonus to use the TV output or video output when programming so you can see 10 lines of code, just viewing the line you are entering can easily lead to wrong moves that end in tears.


Emgee09/03/2017 23:49:43
1344 forum posts
212 photos

Mike T, can you check your message box !!!!!!!


mike T10/03/2017 00:34:21
170 forum posts
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