Manufacturing Final

Drills are made from _____.

high-speed steel and carbon steel.

List the three basic types of metal-cutting saws.

reciprocating, continuous band-type, and circular-type

The pitch of a thread can be determined with a(n) _____________.

screw pitch gauge

Straight layout lines are drawn with a(n) _________.

scriber

The vernier-type tool for measuring angles is called a(n) ____________________?

universal vernier bevel protractor

Treat all small cuts and skin punctures as potential sources of infection. Which of the following should be done?

-Clean them thoroughly -Apply antiseptic and cover with a bandage -Promptly report the injury to your instructor

Cutting fluids are used to:

-Cool the drill -Improve the finish of a drilled hole -Aid in the removal of chips

A(n) ______ can be used to locate the first hole of a series to be drilled on a vertical milling machine.

-Edge Finder -Wiggler -Centering Scope

The spiral grooves in a drill body are used to ____.

-Help form the cutting edge of the drill point -Curl chips for easier removal -Form channels through which the chips can escape from the hole

_____ teeth per inch for cutting on the majority of light-duty machines, where work is limited to small sections and moderate to light feed pressures.

10- and 14-

The included angle of a drill point sharpened for general drilling is _____ degrees.

118

The compound rest is set at ______ when cutting threads to permit the cutting tool to shear the material better than if it were fed straight into the work.

29 Degrees

_____ teeth per inch for cutting large sections or readily machined materials.

4

_____ teeth per inch for cutting harder alloys and miscellaneous cutting.

6

What is a blind hole?

A hole that does not go all the way through the work.

What is "three-tooth rule" for sawing?

A minimum of three teeth must be cutting at all times.

What is a spur gear?

A spur gear is a toothed wheel that has teeth that run straight across the face and are perpendicular to the sides. The teeth are shaped so contact between the mating gears is continually maintained while in operation.

An air gauge employs air pressure to measure deep internal openings and hard-to-reach shaft diameters. It operates on the principle of ____________.

Air pressure leakage between the plug and hole walls.

Into which of the following categories do the various parts of the lathe fall?

All of the above

A mandrel is usually pressed into the work with a(n) ______.

Arbor Press

The power hacksaw only cuts on the _____ stroke.

Back

Some lathes come equipped with a(n) ______ allowing for slower speeds with greater power.

Back Gear

Work that is too large or too heavy to be turned in the horizontal position is turned on huge machines called vertical lathes or _____.

Boring Mills

Accumulated metal chips and dirt are cleaned from the lathe with a(n) _____, never with your hands.

Brush

Cutting speeds can be increased 300% to 400% by using _____ cutting tools.

Carbide

There are times when a shaft is unsuitable as a bearing surface and cannot be used with a steady rest. When this occurs, a(n) _____ can be used so the shaft can be supported with the steady rest.

Cat Head

The tip of a cutting tool to cut a Sharp V thread is sharpened using a(n) _____ to check that it is the correct shape.

Center Gauge

The center of round stock can be found quickly with the ______ and rule of a combination set.

Center Head

Before work can be mounted between centers, a(n) ______ must be drilled at each end of the stock.

Center Hole

The two broad classifications of milling machines are fixed-bed and _____ milling machines.

Column and Knee

The operation used to prepare a hole for a fillister or socket head screw is called _____.

Counterboring

What is the name of the operation used to cut a chamfer in a hole to receive a flat-head screw?

Countersinking

What should be done to protect the lathe from the abrasive dust and grit created during grinding operations?

Cover the bed and moving parts with a heavy duty cloth.

The distance, measured in feet or meters, that a point (tooth) on the circumference of a cutter moves in one minute, is known as the _____.

Cutting Speed

When drilling a pilot hole, the hole should be as large as or slightly larger than, the width of the _____ of the drill point.

Dead Center

The most accurate way to align a vise on a milling machine is with a(n) _____.

Dial Indicator

Circles and arcs are drawn on work with a(n) _________.

Divider

The _____ should be used frequently when sharpening to ensure a correctly sharpened drill.

Drill Point Gauge

The surface being machined is parallel with the cutter face in _____ milling.

Face

_____ mills are the cutters normally used on a vertical milling machine.

Face and End

A micron is one-thousandth part of a meter.

False

The two basic types of a dial indicator are as follows: discrete and unbalanced.

False

_____ is used to indicate the distance that the cutter moves in one revolution of the work.

Feed

Polishing is an operation used to produce a(n) _____ on the work.

Fine Finish

The spiral grooves that run the length of the drill body are called _____.

Flutes

Milling cutters are sharp. Protect your hands with a cloth or _____ when handling them.

Gloves

In most lathe operations, you will be using a single-point cutting tool made of ______.

High-Speed Steel (HSS)

The _____ tooth pattern is also recommended for most nonferrous metallic materials.

Hook

Face milling cutters over 6" (150 mm) in diameter are usually of the _____ type.

Inserted Tooth

Boring is a(n) ______.

Internal machining operation in which a single-point cutting tool is used to enlarge a hole.

Gage blocks are often referred to as _______________ blocks.

Jo

The _____ is almost identical to the hand reamer except that the shank has been designed for machine use.

Jobber's Reamer

The process of forming horizontal or diamond-shaped serrations on the circumference of the work is called ______.

Knurling

What is wrong with using a pencil to make layout lines on metal?

Lines would rub off and be too wide

Stop the machine before making adjustments and _______.

Measurements

The micrometer caliper is nicknamed ________________.

Mike

When using the parting tool, the spindle speed of the machine is about _____ the speed used for conventional turning.

One-third

The surface being machined is parallel with the periphery of the cutter in ______ milling.

Peripheral

Large drills require a considerable amount of power and pressure to get started. They also have a tendency to drift off center. These conditions can by minimized by first drilling a(n) _____ hole.

Pilot

A(n) _____-type milling machine has a horizontal spindle and the worktable has three movements.

Plain

The _______ punch has a sharper point than the center punch.

Prick

Knurling is commonly done to _____.

Provide a gripping surface, Change the appearance of the work, increase the work's diameter

The rate at which the work moves into the cutter is known as the _____.

Rate of Feed

The _____ type saw has a back-and-forth cutting action.

Reciprocating

A drill works by _____.

Rotating against material with sufficient pressure to cause penetration

What does "gang milling" mean?

Several cutters being used at the same time to machine a job

In general, use the _____ arbor possible that permits adequate clearance between the arbor support and the work.

Shortest

The _____ tooth pattern is preferred for cutting aluminum, magnesium, copper, and soft brass.

Skip

When sawing (slitting) thin stock, the _____ diameter cutter that provides adequate clearance should be used.

Smallest

The device used to permit a drill with a taper shank too large to fit the spindle opening is called a(n) _____.

Socket

A(n) _____ expansion reamer provides rigidity and accuracy not possible with conventional expansion reamers.

Solid

_____ is the operation that machines a circular spot on a rough surface for the head of a bolt or nut.

Spotfacing

The _____ tooth pattern is best suited for cutting most ferrous metals.

Standard

_____ shank drills are used with a chuck.

Straight

Drills that are used on the lathe are fitted with ______ shanks.

Straight, Taper

Long flat surfaces can be checked for trueness with a(n) _______.

Straightedge

A(n) __________ is the flat granite or cast iron surface used for layout and inspection work.

Surface Plate

The size of a lathe is determined by the ______ and the length of the bed.

Swing

Automatic turning centers, also known as ______ machines can produce tiny precision parts in quantity.

Swiss-type

_____ shank drills fit directly into the drill press spindle.

Taper

The largest piece that can be turned between centers is equal to ______.

The length of the bed minus the space taken up by the headstock and the tailstock

In or up-convectional milling, _____.

The work is fed into the rotation of the cutter

In climb or down-milling, ______.

The work moves in the same direction as the rotation of the cutter

The lathe operates on the principle ____.

The work rotating against the cutting tool, which is controllable

The _____ is fitted to many lathe carriages. It meshes with the lead screw and is used to indicate when to engage the half-nuts to permit the thread cutting tool to follow exactly in the original cut.

Thread Dial

Internal and external grinding can be done on the lathe with a(n) _____.

Tool Post Grinder

Large circles and arcs are drawn with a(n) _________.

Trammel

A dial indicator can be used to check for eccentricity.

True

A ring gauge is used to check whether diameters are within the specified tolerance range.

True

One-millionth part of a standard inch is known as a "microinch".

True

Optical flats employ light waves as a measuring standard.

True

Before removing a machine's guards or covers, be sure that all power to the machine is _____.

Turned off

A(n) ______ end mill is used when the cutter must be fed into the work like a drill.

Two-Flute

Blind keyseats or slots are made with a(n) _____ end mill.

Two-Flute

The cutting speed for a high-speed reamer is approximately _____ that for a similar-sized drill.

Two-Thirds

A(n) _____-type milling machine is similar to the plain-type milling machine but a fourth movement has been added to the worktable to permit cutting helical shapes.

Universal

Round stock is usually supported on _________ for layout and inspection.

V-blocks

A(n) _____ scale on the spindle head of a vertical milling machine ensures accurate angular settings.

Vernier

Angular lines that must be very accurate should be laid out with a(n) _________.

Vernier Protractor

A(n) _____-type milling machine has the spindle perpendicular or at right angles to the worktable.

Vertical

Which of the following actions are considered dangerous when operating a lathe?

Wearing loose clothing or jewelry, Measuring with work rotating, Operating lathe with most guards in place