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Hello, All, A few years ago, John and I came up with a Constant Surface Speed (CSS) unit for use on the Real Bull mini-lathe.? I believe it would work on the Sieg, but haven't been able to verify

Hi, Ralph, An Arduino?Mega 2560 Rev 3. I recently emailed a friend in Australia a list of most of the items I have purchased for ELS so far, along with sources.? I can copy and paste this list for

Ralph. When you are closer down the line to start the ELS project then I will gladly put some more meat on the bone. I believe by memory around about December time and you will have everything in

Yes, I knew that. What are you using for a controler, that was never clear from John's post. Ralph

John, Nice solution! -- Regards, Charlie New Jersey, USA

BTW, just to be clear, none of this ELS design is mine. It was worked out by John Lindo and his friend Richard.? Between the two of them, they came up with a really nice implementation!? I

My friend recently had the handle break on his saxophone case. The case being some 25 years old. He was informed by the by the guy in the local music shop it could not be repaired. and needed a new

Hi, Ralph, A 600 PPR quadrature rotary shaft encoder, coupled directly to the spindle with a timing belt with a 3:1 ratio. -- Regards, Charlie New Jersey, USA

Wow Charlie, THANKS!! Now pretty much I need to settle on the motor for Z and X. You have probable said but how are you sensing rotation of the spindle? Ralph

Ah, sorry, of course.? The cut depth is actually 2 mm then... my brain is fuzzy because it's a day that ends in a "y". -- Regards, Charlie New Jersey, USA

No facing depths

John, Nice video!? Just to confirm, you are taking 2 mm (.080 inch) *deep cuts*... i.e., you are removing 4 mm (.160 inches) in diameter on each pass? -- Regards, Charlie New Jersey, USA

Ralph, Here are some better views from the motor end.? A couple of the flatter angle shots are intended to show the spacers on top of the DRO sensor unit. -- Regards, Charlie New Jersey, USA

Please watch the link. It?s a? video that i took of me machining using my first gear reduction unit fitted onto the lathe. An aluminium 125 mm dia billet being bored out to 17 mm deep and attached

Charlie, I'd like to see some shots from the motor end.

Hi, All, Just finished installing my cross-slide DRO this afternoon.? The display location is temporary; it will end up in the area of the ELS controller. I have always resisted DROs for the lathe,

I just finished putting a 3-axis glass scale DRO on my micro mill and I'm still not all that convinced that a lathe should have one. I've only operated one lathe in my working career that had a DRO

Fast Eddie, essentially one could mout the DRO wherever one can mount it. I like the rear mount for Z. The crossslide (X) appears to be more complicated/limited in how one would mount it. Of course

Thanks!? Though I? don't really think they are better than anyone else's, I DO tend to take a lot of them! -- Regards, Charlie New Jersey, USA

Really, the only issue for me with mounting it on the front is that I use a shop vac to clean the swarf out from under the lathe...not impossible to overcome, and it might even be easier because the