Milling machines are essentially a highly precise drill, and can be used to resurface brake discs, rebuild gear linkages, make shifter knobs and brackets, and much more. There are 2 basic types of milling machines: horizontal and vertical. Each has its own advantages and strengths, and the type will impact what you will be able to create with your mill. Most milling machines can work on a range of materials including aluminium, brass, nickel, steel, thermoset plastics and more.
Vertical milling machines are where the spindle axis is vertically aligned, and will either move the spindle parallel to its own axis (known as a bed mill) or the spindle will remain in a set position (turret mill). The main advantage of vertical milling machines is the increased visibility they provide, which is useful for those projects that require more attention to detail. They are also ideal for projects that require work mostly on a single side. Vertical mills are simpler machines than their horizontal counterparts.
Horizontal milling machines have the spindle mounted horizontally across the table. They are known for their high accuracy and speed, and many of these mills also have a built-in rotary table to mill at various angles. Horizontal milling machines are ideal for lengthy or large production runs. Thanks to their size and durability, horizontal mills can handle larger and heavier materials without damaging the machine. Horizontal milling machines can be used to cut one or more grooves into a material, create slots, work with heavy materials and machine multiple sides.
Which milling machine you require will depend on a few things, including: the material you're going to be working with, how complex your project is, and whether you require a large number of products or are working on a one-off piece.
If you're looking to buy a milling machine, be sure to check the specs of the machine and talk to the dealer or seller to ensure you're getting the right mill for your needs and workspace.
