TOOLS & TOOLING
This tool holds end mills in the milling machine.
What is a collet?
This machine uses a rotating cutter to remove material.
What is a milling machine?
This line type shows edges that cannot be seen.
What is a hidden line?
This common measuring tool reads to at least the nearest .001".
What is a micrometer?
This is the first thing a student should do before operating any machine.
What is complete a safety check / inspect the machine?
This part of a lathe tool controls the direction of chip flow.
What is the chip breaker?
This machine spins the workpiece while the tool removes material.
What is a lathe?
This type of drawing shows three sides of a part: front, top, and right side.
What is an orthographic projection?
This tool is best for measuring outside, inside, depth, and step dimensions.
What is a caliper?
These must always be worn to protect your eyes while in the shop.
What are safety glasses?
This tool allows removal of material inside a drilled hole to improve accuracy and finish.
What is a reamer?
This operation is used on the lathe to create a smooth, flat surface on the end of a part.
What is facing?
This is the standard unit of measurement used in U.S. machining prints.
What are inches?
On a standard micrometer, one full revolution of the thimble moves the spindle this distance.
What is .025 inches?
This safety device must always be used when lifting heavy stock or materials to prevent back injuries.
What is proper lifting equipment (such as a hoist or team lift)?
This device holds the workpiece on a lathe using three jaws.
What is a 3-jaw chuck?
This milling operation creates a flat surface using the bottom of the cutter.
What is face milling?
This symbol indicates the diameter of a feature.
What is the Ø symbol?
This scale on a micrometer reads the thousandths.
What is the thimble scale?
Loose clothing, jewelry, and long hair pose this type of hazard around rotating machines.
What is an entanglement hazard?
These replaceable cutting edges are commonly used in modern CNC and manual turning tools.
What are carbide inserts?
This machining process uses a rotating abrasive wheel to achieve very tight tolerances.
What is grinding?
This is the term for the difference between the maximum and minimum size limits.
What is tolerance?
This tool is used to compare the size of a hole to a set value but does NOT give a direct reading.
What is a telescoping gauge?
This color tag signals that a machine is unsafe and should NOT be used.
What is a red tag?