If you already have a Sherline mill and would like the components needed to add stepper motors and upgrade it to CNC,  these kits will make it easier for you.

CNC-Ready Upgrade Kits
UPGRADE NOTICE: If you are converting a manual mill to CNC, you will also need to purchase the Mill CNC Z-Axis Backlash Adjustment Kit, see details below
From: $78.75 Select options
Mill Ball Screw XYZ Axes Retrofit Kit
2-3 week lead time When ordering your new Ball Screw Retrofit Kit, you will need to supply the following information for your current machine so we can ensure you receive the correct length of the ball screw for each axis:
From: $1,804.00 Add to cart
Mill Ball Screw XY Axes Retrofit Kit
2-3 week lead time When ordering your new Ball Screw Retrofit Kit, you will need to supply the following information for your current machine so we can ensure you receive the correct length of the ball screw for each axis:
$1,197.28 Add to cart
Mill Ball Screw Z Axis Retrofit Kit
2-3 week lead time When ordering your new Ball Screw Retrofit Kit, you will need to supply the following information for your current machine so we can ensure you receive the correct length of the ball screw for each axis:
$607.10 Add to cart
LinuxCNC Computer System with Driver Box

Computer Specifications: Processor Speed: 2 GHz or faster RAM: 2 GB Hard Drive: 250 GB Internal drive: DVD-RW External drive: 1 GB USB Flash drive Current: Internal switches are set to 110VAC but can be reset for operation with 230 … Continued

$1,260.00 Add to cart
LinuxCNC Computer System without Driver Box

Computer Specifications: Processor Speed: 2 GHz or faster RAM: 2 GB Hard Drive: 250 GB Internal drive: DVD-RW External drive: 1 GB USB Flash drive Current: Internal switches are set to 110VAC but can be reset for operation with 230 … Continued

$682.50 Add to cart
Sherline Linux/EMC Software

Current version: Linux CNC 2.6.11 with Ubuntu 12.04

$26.25 Add to cart