machine tool

A type of milling that feeds the workpiece in the same direction as the cutting tool rotation. ______ milling creates chips that become gradually narrower during the cut.

Climb milling

A type of milling that feeds the workpiece against the cutting tool rotation. _______ milling creates chips that become gradually wider during the cut.

Conventional milling

A type of hammer that gives a solid blow to different materials without damaging their surfaces. ______ hammers can be made of plastic, rubber, brass, or lead.

Dead blow hammer

The amount of material removed by one pass of the cutting tool. __________ measures how far the cutting tool penetrates the surface of the workpiece during a cut.

Depth of cut

A mill cutter used to cut a dovetail angle into a workpiece. __________ can produce angled slots.

Dovetail cutters

A type of tool holder that holds drill bits on the mill. _________ allow for quick installation and removal of drill bits.

Drill chuck

A machine tool that can be used for a variety of hole making operations. ________ create round holes in workpieces.

Drill presses

A tool holder that holds an end mill in place with a set screw. ________ toolholders hold tools with more rigidity than collet-type toolholders.

End mill tool holder

A milling operation that uses a narrow mill to create pockets, slots, and contours in a workpiece. _________ may cut with both the bottom and sides of the cutting tool.

End milling

A milling operation that uses a narrow mill to create pockets, slots, and contours in a workpiece. __________ may cut with both the bottom and sides of the cutting tool.

End milling

A flat mill cutter with multiple cutting teeth surrounding the bottom edge. The ________ is often used to remove a large amount of material to create flat surfaces.

Face mill

A wide, round milling cutter that contains multiple cutting teeth and is often used to remove large amounts of material. _______ cut with their face and periphery.

Face mill

A milling operation that produces a flat workpiece surface using a face mill cutter. ______ milling is primarily used to remove large amounts of material from the workpiece's top surface.

Face milling

milling operation that produces a flat workpiece surface. ________ milling is primarily used on the top workpiece surface.

Face milling

A handle attached to a machine that controls the movement of a component. ____________ on the milling machine move the table side to side and back and forth.

Feed handles

A milling operation that uses a mill with a unique shape to create that shape into the workpiece. ________ milling is often used to machine gears and other parts requiring specially contoured shapes.

Form milling

A type of bolt that has a head with six sides. ________ are used to tighten drawbars.

Hex bolt

he control that puts the motor in gear. The __________, located on the right side of the mill head, is tied to the operation of the forward-reverse switch.

Hi-neutral-low level

A cutting process in which the cutting edge of the tool comes into and out of contact with the workpiece surface. __________ is also known as intermittent cutting.

Interrupted cutting

A fluid that is brushed on a metal workpiece before layout. _______ allows the lines and features to be seen more clearly.

Layout dye

A handwheel located on the front of the mill head that controls quill feed. The ___________ is used for very precise quill movements.

Manual feed wheel

A machine controlled by an operator that uses a multi-point tool to remove metal from the surface of a workpiece. _________ are classified by the spindle orientation, as vertical or horizontal.

Manual mills

A machine that uses a multi-point tool to remove metal from the surface of a workpiece. _________ are also called mills.

Milling machines

A cutting tool that has more than one cutting edge. ________ include mills and drills.

Multi point tools

PPE. Any of the various articles of clothing or safeguarding devices that assemblers or operators are required to wear to ensure their safety.___________ for a milling operation includes safety glasses.

Personal protective equipment

A control unit that allows the table to move side to side automatically. The _______ is attached to the mill table and must first be set by an operator.

Power feed

A switch that sets the quill feed to run automatically. The _________ engagement crank turns the power feed on, while the quill feed selector adjusts automated feed rates.

Power feed engagement crank

A type of drawbar that automatically pulls the toolholder into a secure position. ________ are typically controlled by a switch mounted on the machine.

Powered draw bars

A tool holding system that uses a master tool holder with a set of interchangeable toolholders. _________ tooling increases the speed of production.

Quick change tooling

rpm. A measurement of speed that tracks how many times a machine component rotates in one minute. __________ measures the spindle speed on a milling machine.

Revolutions per minute

A rotating base on the bottom of the vise. _______ bases can position the workpiece at a variety of angles to the X and Y axes.

Rotary bases

An initial pass of the cutting tool that emphasizes heavy metal removal rates, high feed rates, and a heavy depth of cut. _________ cuts are made prior to finishing operations.

Roughing cuts

Creating a known location on a machine. ________ establishes a reference point by setting the readout to 0 in each axis.

Setting zero

which type of milling operation performed on a horizontal mill produces a flat top surface?

Slab milling

A variable speed control handle that allows the operator to adjust spindle speed. The_________ on a mill adjusts spindle speeds incrementally within two speed ranges: high or low.

Speed change hand wheel

The rate at which the spindle moves in and out of the mill head. The ________ is controlled by the quill feed handle or the manual feed handwheel.

Spindle speed

Control devices used to limit the travel of the table automated by the power feed unit. The _______ are located on the front of the mill table.

Stop rods

A T-shaped milling cutter that machines a portion of a T-shaped slot into a workpiece. ________ often resemble a toothed disk mounted on a narrow arm.

T slot cutters

A milling operation that uses a T-shaped milling cutter to cut a channel shaped like an inverted T into a workpiece. ______ is often used to machine worktables.

T-SLotting

A handle used to raise and lower the knee and worktable on a milling machine. The __________ features a micrometer that allows operators to adjust the feed rate incrementally.

The knee crank

A machine that converts one form of energy, such as electricity, into mechanical energy or motion. The _____ on a mill head powers a belt and pulley system, which then rotates the spindle.

The motor

A machine component that moves the worktable back and forth from the column. The ________ on a column and knee machine rests on the knee.

The saddle

A machine component that supports the workpiece and any workholding devices. The _______ on a manual mill moves side to side and back and forth.

The worktable

A speed control on the mill with a high and low speed range. Speeds can be set to any speed within the high and low speed range.

Variable speed control

A manual milling machine with a spindle that is perpendicular to the ground and machine worktable. _________ are more common than horizontal mills.

Vertical column and knee milling

The Cartesian axis describing in and out movement. On the mill, the _____ axis represents coordinate positions along the shortest distance parallel to the worktable.

Y axis

The foundation of a machine that supports all the other machine components. The __________ of a milling machine is typically square or rectangular.

base

An endless loop of material used to transmit motion between two or more pulleys. ________ on a milling machine motor should only be repositioned with the spindle turned off.

belt

The process of enlarging an existing hole with a single-point tool. ________ removes small amounts of material to achieve tight tolerances and finishes.

boring

A rough, sharp edge remaining on a part after a cutting process. _______ pose an injury risk and interfere with the fitting of parts.

burrs

A measuring instrument with two pairs of jaws on one end and a long beam containing a marked scale of unit divisions. One pair of jaws measures external features; the other pair measures internal features.

caliper

A replaceable cutting edge made of hard carbide material that has multiple cutting edges. __________ often use carbide inserts as cutting teeth.

carbide inserts

A piece of metal that is removed from a workpiece during cutting or grinding. _________ are tiny curls, shards, fragments, or particles of metal.

chips

A split-sleeve device that expands or contracts to grip a cutting tool as it rotates. _______ come in various sizes to match specific tool diameters.

collet

The vertical support, or backbone, of a milling machine. The ________ is supported by the machine base

column

A milling machine whose spindle is mounted in the column, and whose work table rests on an adjustable knee. __________ are the most common type of manual mill.

column and knee milling machine

The use of single- or multi-point tools to separate metal from a workpiece in the form of chips. ___________ vary based on the requirements of a finished part.

cutting

The distance from edge to edge of the widest point of a circle. The ________ of a circle is always twice its radius.

diameter

Two parallel angle-shaped rails that guide movement of a machine component. _________ ways help to keep the mill table aligned to the knee as it moves.

dovetail ways

A long metal bar that is threaded through the spindle and pulls the toolholder into a seated position. __________ can be manual or powered.

drawbars

A multi-point cutting tool used to make round holes. _______ generally have two flutes and a pointed end.

drill

he rate at which the cutting tool and the workpiece move in relation to one another. _______ in manual milling are measured in inches or millimeters per minute or per revolution of the cutting tool.

feed

A final metal cutting pass that emphasizes tight tolerances and smooth surface finish. __________cuts often require faster speeds and a lighter depth of cut.

finishing

A straight or helical recessed feature on the periphery of a cutter. ________ allow chips to flow away from the cut.

flute

The main directional control for the spindle that determines whether the spindle rotates forward or reverse.

forward reverse switch

A round or cylindrical mechanical component with teeth that is used to transmit power. ________ are designed to mesh with one another and can alter the speed, torque, or direction of mechanical energy.

gear

A device used to reduce side play in the mill table as it is moved from one direction to another. _________ are placed between the ways and the table.

gibbs

The part of the vertical milling machine that holds the spindle. The _______ also contains various speed and feed controls for the mill.

head

Winding in the shape of a spiral or coil. ________ flutes appear on drills and end mills.

helical

Having multiple cutting edges can be repositioned to reveal a fresh cutting edge. ________ on a face mill can be rotated to a different cutting edge once the original edge has been worn or damaged.

indexable

A cutting tool that has multiple usable cutting edges. ________ are typically very hard and wear resistant.

inserts

A component on a vise that grips and holds the workpiece in place. _______ of a vise used in a milling operation are adjustable.

jaws

The device that supports the mill work table from underneath. The _______ can be used to adjust the worktable to different heights.

knee

The marking of lines, centers, or circles on metal workpieces. ________ shows the size, shape, and locations of features.

layout

A nut that is used to keep the micrometer adjustment nut from moving out of position. The _______ is located below the micrometer adjustment nut.

locknut

A nut located on a threaded rod that is used to determine spindle depth. The _________ on a mill head is numbered in thousandths of an inch or hundredths of a millimeter.

micrometer adjustment nut

A measuring instrument with a threaded spindle that slowly advances toward a small anvil. ________ are available in numerous types for measuring assorted dimensions and features.

micrometers

A rotating, multi-point cutting tool that is guided along a workpiece to remove metal. _______ may also be referred to as mills.

mills

The fixed central point in the Cartesian coordinate system. The _______ has a numerical value of zero at each axis.

origin

Two lines or axes that are equidistant from each other at all points along their length and thus never intersect. On a horizontal mill, the spindle is _______l to the worktable.

parallel

A pair of vertical metal supports that are used to position the workpiece to the desired working height in the vise. _________ are positioned directly within the vise jaws.

parallels

Two rectangular strips or blocks of precision metal that help support the workpiece in the vise. __________ allow for raising the workpiece to the desired working height in the vise.

parallels

Meeting at a right angle. On a vertical mill, the spindle is perpendicular to the worktable.

perpendicular

The method of moving a workpiece or machine component automatically. _______ on a mill is turned on with the power feed engagement crank and adjusted by the quill feed selector.

power feed

A document containing all the instructions necessary to manufacture a part. A ______, or print, includes a part drawing, dimensions, and notes.

print/blueprint

A shaft that moves the spindle in and out of the mill head. The quill feed handle controls the _______ main vertical movements, while the manual feed handwheel allows for smaller, more precise movements.

quill

The component on the mill that moves the spindle in and out of the mill head. The ________ can be controlled manually or automatically.

quill

The main lever used to manually move the quill. The _________ is located on the lower right side of the mill head and controls the quill feed.

quill feed handle

The fixed central point in the Cartesian coordinate system. The _______ has a numerical value of zero at each axis.

quill feed selector

The condition of a workpiece, machine, or machine setup characterized as stiff and immoveable. ______ components are fixed securely in place.

rigidity

Drawing fine lines or features on a workpiece surface during layout. _________ is done with a fine pen-like, hard-pointed tool.

scribing

A type of screw, often with no head, used to hold a device in place relative to other components. _______ are used with end mill toolholders.

setscrew

A milling operation that cuts a long, rectangular channel into the surface of a workpiece. ________ uses a circular disk-like cutter.

slotting

A component of a machine that rotates or spins. The ________ holds the cutting tool on a manual mill.

spindle

The distance inside the workpiece that the spindle reaches during a cutting operation. __________ is controlled by setting the micrometer adjustment nut or using the knee crank.

spindle depth

The rate at which the machine spindle rotates. _______ is typically measured in revolutions per minute (rpm).

spindle speed

A precision measuring instrument with two straight edges that meet at a right angle. _________ are commonly used in milling layout and setup.

squares

Raw material that is used to make manufactured parts. _______ is available in standard shapes such as long bars, plates, or sheets.

stock

The process of cutting internal threads in a round hole with a multi-point tool. ______) can be performed on a manual mill or a drill press.

tapping

The device used to rigidly hold a cutting tool in place. __________s may hold inserts or larger tools.

toolholders

A workholding device with two jaws that grip and hold a workpiece in place. _____ are often used to hold workpieces on the mill.

vise

Two parallel rails that guide the movement of a machine component. _____ keep the mill worktable straight and parallel to the knee as it moves.

ways

The machine component that supports the workpiece and any workholding devices during machining. ________ on manual mills move side to side, back and forth, and up and down.

work table

The Cartesian axis describing left to right movement. On the mill, the ____ axis represents coordinate positions along the longest distance parallel to the worktable.

x axis

The linear axis that represents motions and positions to the left or right of the operator.

x axis

The Cartesian axis describing vertical movement. The ____axis is always parallel to the machine tool spindle on a vertical mill.

z axis