SG TOOLING

Most affordable desktop CNC milling machine now available @ S$ 1990.00 only!

Deluxe CNC Mill complete system.

Travel: 220mm x 127mm

Stepper Motor : 269 Oz-in x 3 Unit

Controller: 4-Axis Gecko Drive w/ 24Vdc Power Supply

Parallel cable included.

You will need your own PC with parallel port to run the machine.

Everything you need for CNC setup is included.

Machine Made In USA.

While we are prototyping a heli boom support, we thought what is the max we can push the Sherline Mill to.

We tried some parameters and best we get is the following:-

Machine used: Sherline 5410A deluxe mill

Material to machine: AL6061 8mm thick

Endmill used: Dia. 6mm Carbide Endmill

Feedrate @ 60, depth of cut = 4mm!

Heres a video of the cutting :-

http://www.daddyhobby.com/gallery/data/500/Sherline_5410_Test_Cut.wmv

What is CNC? 

CNC Stands for Computer Numerical Control. With CNC control, you basically can cut any shape you designed, on a milling machine Some may even utilise the machine to run small production from your home to start custom parts making. (For hobbyist, we see majority refer to a CNC mill rather than lathe) To get CNC going, you will need :-

• A unit of CNC Ready Mill
• 3 Suitable stepper motor, 130oz/in or greater.
• Stepper driver for 3 Axis. We recommend Xylotex bipolar driver board.
• Power supply for driver board.
• Parallel 25 Pin cable from driver board to PC
• PC/laptop min. Pentium 1Ghz and above
• G code processor. We recommend Windows base Mach 3

How to wire the stepper motor to your driver?
Basing on Nema23 stepper motor from Kelinginc model KL23H256-21-8B Bipolar ( can also be configured Unipolar / bipolar series or bipolar parallel)

Stepper comes in 8 different colour wire

I had chosen to go with bipolar parallel for maximum torque. So we will follow the parallel circuit below:-

A picture tells a thousand words, here my connection from 8 wires to 4 wires taken using a handphone camera

And a picture of connection to xylotex driver board ( flip over your xylotex driver board to see the respective connector for X, Y, Z & A)