Posts Tagged ‘Milling’

Bipolar vs. Unipolar stepper motors

There is a lot of discussion on whether to use bipolar or unipolar stepper motors for your CNC project. Each type of motor has different characteristics, but when all is said and done, the best choice is usually bipolar stepper motors. This article is a short explanation why bipolar stepper motors are usually the better […]

Choosing a Stepper Motor for your CNC Machine

Choosing an appropriate stepper motor can be difficult and time consuming. This webpage is intended to help you easily and quickly select a good stepper motor for your project. There is a lot to cover, so consider this the first part in the series

Linear power transmission for CNC machines

Threaded rods vs. ACME rods There are many methods of accomplishing linear power transmission, otherwise known as linear movement. Anything from a simple wheel, to a gear on a rack, to rubber belts will work. However, for hobby CNC machines, the most common method to accomplish movement is using threaded rods, or ACME rods.

Choosing Linear Bearings for a CNC Machine

After you determine the fundamental type and size of the CNC machine you want to build, your next step is to choose linear bearings. Your choice of linear bearings is one of the most important decisions you’ll need to make. Linear bearings are the mechanical devices that allow parts of the CNC machine to slide […]

Mobile Bed vs. Mobile Gantry

The next step towards building your router or milling machine is to decide what fundamental type of machine you want to build. This website will primarily focus on 3 axis milling machines which are the most common types of machines for hobbyists. There are two fundamental types of machines; mobile bed and mobile gantry designs.