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Back to Hare and Forbes for a moment. I saw some nice Ditron scales in their glass cabinets so I grabbed some Ditron gear from Alibaba for my AL-320g and I reckon they are very good quality for the money.Much nice than what I ut on my Mill.

Yes the LCD library has a screensaver built in. There is a command to disable it so look through the setup code. I never found it distracting.

This post of mine links to the github source of the LCD library http://www.homemodelenginemachinist.com/showpost.php?p=261783&postcount=20

Foozer, Sorry I missed this. The original author of the LCD library published his source on github. Chack th esource and you'll probbaly find the URL. From memory, he used a program to generate that code (and the source for the generator was in his repository).

You have just learnt that nothing on the Arduino is plug and play :) I would say your LCD/keyboard shield is not compatible with the Freetronics hardware this was designed for. If you go to www.freetronics.com.au you should find the resistor values they use for the keyboard together with...

That file is part of the LCD library. PLease start again on this thread. http://www.homemodelenginemachinist.com/showthread.php?t=25091 Make sure you read it all and update the procedure as per my post near the end of the thread.

Also, there are a couple of drawings on the label one face on, and the other view from the edge of the cogs. I have found it useful to sketch the edge view on a sheet of paper and label the gears you need (ABCD and their ratios). That makes it much easier to change them.

Well, finally I have got the software working and the THC seems to be working pretty good on the very first cut. The green line is the torch voltage, the white line it follows is the desired 85 volt set point and the blue line on the bottom right is the error which is printed at a...

I don't believe there is any errors in the settings in the AL320g. I have not gone out to my shed to check, but I'm pretty sure the default settings are listed at the top of the chart on the door.

Just leave it overnight to be sure its leak free. If you have a look in my buildup, I pressed a recess for an outlet with 2 different size sockets and a bolt through the pan. You can extend this technique, by machining a set of dies on your lathe. The boys do this quite a bit at work. If...

I'm afraid nothing much has happened the last couple of weekends Because I did not have the confidence the torch voltage and dividers were correct. So I decided to hack the probes off a cheap set of multi meter cutters and solder them onto the raw voltage output on the CNC port This let...

Looks good James. A mate with far more experience than me reckons anytime he's seen coolant containers that depend on sealant, they leak. I think you will need to weld it out fully.

I did not get much done over the weekend or so it seems I wrote a small program to make a series of cuts at different speeds I started with cuts at 100 mm/min apart, zeroed in on the best looking one and then repeated (several times) at 10 mm/min apart. So now I have the machine...

Yes, it is a great thread. Just looking at the stats. 80,000 posts since last year and my shed thread started in 2013 is at 115,000 so I think James will knock me off my perch pretty soon! There's only so much you can do in a mini shed...

Thanks James, clearly my little chromebook can't handle your photo embedding methods so I'll try on my PC later. I have actually paid for Google Apps for the last 8 years or so. Therefore, it is a logical choice for a photobucket replacement when they boot me off. I've got 4000-5000 photos there...

The problem is that no matter what you do you end up with a required division that includes a fraction of a step under some circumstances and stepper motors can only move whole steps. You will get errors if your script simply calculates a fixed number of steps per division. Imagine a rotary...

Hey james, I just noticed you are using Google images to host your photos. Can you tell me how you do that? I've tried a few times without success. Nice welds by the way...

Yup, Photobucket, my 12 Tb NAS and more recently my phone is pushing them to Google as well. The all of a sudden Samsung wants to make a copy too!

Thanks guys, James, you are right! I knew nothing about Linux CNC I knew nothing about CNC in general I knew nothing about Gcode I knew nothing about Plasma cutters But today I managed to cut a donut! I solved the torch voltage issue by plugging in the connector. What a dope...

Its Alive! https://youtu.be/zVM5Tz4Tzm4 We had a lot of trouble this morning. I've had the machine torch for 12 months but this was the first time I had plugged it into the machine. The torch came on with the machine and would not go out. Then we tested the hand torch and we could control...