Machine Parts
This supports the saddle and table and moves vertically.
Knee
The table moves side to side along this axis.
X
This cutter has cutting edges on both its end and sides.
Endmill
This device is used to mount an arbor-type cutter in the spindle.
Answer: Arbor
The most common device used to hold a workpiece on a milling machine.
Vise
This part moves along the Y-axis.
Saddle
The saddle moves in and out along this axis.
Y
This endmill has a rounded tip and is commonly used for curved surfaces and 3D shapes.
Ballnose
This collet must be present for a tool to be directly mounted into the spindle.
R-8
These are placed under a workpiece in a vise to raise and support it.
Parallels
This part moves the cutting tool vertically and can telescope in and out.
Quill
The knee moves along this axis.
Z
This cutter uses a single-point cutting tool (similar to a lathe bit) to produce a broad flat surface.
Fly cutter
This part tightens the toolholding device inside the spindle.
Drawbar
These are commonly used with T-slots to secure a workpiece directly to the table.
Step clamps
This allows the milling head to swivel to different angles
Turret
The quill moves along this axis.
Z
This type of cutter is used to machine large flat surfaces quickly
Answer: Face mill
A short arbor used to hold cutters close to the spindle for greater rigidity.
Stub arbor
A device specifically made to securely hold and locate a workpiece during machining.
Fixture
This part of the machine contains the spindle and mechanisms that drive the cutting tool.
Head
X,Y,Z
This large cutter is mounted on an arbor and is used for flat-surface milling.
Shell endmill
These replaceable cutting edges are commonly made of carbide and are mounted in cutter bodies.
Indexable Inserts
This square or hexagonal device uses a collet to grip a round workpiece.
Collet block