Posts Tagged ‘CNC’

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.