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1. Machining 101: Milling
In the field of machining, milling is the most common process to remove
material. Milling creates a variety of parts that serve different functions in many
industries. The procedure normally requires a workpiece, a cutter, a fixture, and
a milling machine.
The fixture is a part in the milling machine, which secures the pre-shaped
workpiece. The machine fuels the cutter to spin at a high speed which then cuts
the workpiece to the desired shape.
Types of Milling Machines
There are many types of milling machines, with the orientation of its spindles
determining its classification of either vertical or horizontal. Every mill has its own
attributes depending on the task at hand, which makes it essential to know its
differences before purchasing one.
Horizontal mill – This option is best for heavier workpieces because it has
support from the arbor. This type has cutters mounted on a flat arbor just
above an X-Y table. Many machines of this type feature a rotary function
that allows the processing of the workpiece at different angles. The
material is easier to remove with this design. A horizontal mill’s size varies
from as small as a tabletop appliance to a machine that can fit an entire
room.
Vertical mill – The upright orientation of its cutters makes it possible for
machinists to employ a more detailed approach with the workpiece.
Often, vertical mills are tall and wide, making it an ideal choice for die
sinking, which pertains to the instance when a cavity and a shape is
carved onto a steel block.

2. Significance
The milling machine has many
forerunners, ranging from the basic drill to
the lathe. The first form of milling
machines took shape in the 19th century,
and its first function was to shape wood.
Over time, the knowledge about technology and metallurgy progressed,
paving the way for machines that can cut and shape metal. This sped up the
pace of the Industrial Revolution, in which precise machining played an
important part.
Until now, milling is an integral part of many industries. Fields such as medicine,
automotive, aerospace, and construction depend on hundreds of products
brought about by milling. Modern machines use computer numerical control or
CNC for better precision and easier use.
Resources:
http://www.lyndexnikken.com/
http://www.custompartnet.com/wu/milling
http://www.ebay.com/gds/What-Is-the-Difference-Between-Horizontal-andVertical-Milling-Machines-/10000000177634484/g.html