I've been lurking here for some time, and I've been really inspired by some of the awesome builds out there.
![Very Happy :D](./images/smilies/icon_biggrin.gif)
However, now it's time to start my own build. So, here goes. The intention is to keep this topic updated as I progress the build.
Lathe
I don't have an existing lathe, or access to one, so I'll be building my own. The first target for the lathe will be an existing mono cutter head, followed (hopefully) by a stereo cutter head.
To get the lathe off the ground I thought it best to get the control electronics done first. So, I spent some time over the last few weeks building a "demo" to get the stepper working with an Arduino clone. I've opted for a "remote control model": the Arduino will be connected to a PC and receive commands (via USB/serial) from some software that will run on the PC. The arduino will be responsible for timing and driving the stepper, something that a PC may have issues with (given it's also busy doing other things; context switching and interrupts).
I read somewhere that a directly driven lead-screw might not be ideal either, because it introduces sound into the cutting process, but I'll start with this and can always change to a belt-driven version later.
I don't have the experience to build something in metal, so I'll be using my favourite material: wood (it's very forgiving). The following picture shows the initial frame I built recently. It fits nicely over my 301, which I'm hoping will have sufficient torque for cutting.
![Smile :)](./images/smilies/icon_smile.gif)
Cutter head
The cutter head (initial, unfinished design below) will be 45/45 stereo head, using a neumann torque tube and vspring. The body will be crafted in 6mm metal; I'll get a friend to help out with that part. I'll be using a pair of AuraSound Cougar (extended range) drivers, and some kind of concical shape to take the movement from the driver to the torque tube. I see people using little metal funnels... looks like a great idea.
Following EpicenterBryan's advice, I've opted to get a ready-made torque tube from ROLANDJAYS. Looking forward to getting that in the post one of these days. I doubt I could have engineered one myself. When that arrives I'll be able to finalise the head design and get that body built.
![Surprised :o](./images/smilies/icon_surprised.gif)
The design is missing a back plate for the piano wire anchor to the torque tube. I'll handle that when I update the design.
More updates soon (hopefully).