Final

Which of the the following is NOT a common tooth form for saw blades?

Square

In the slab milling process, the finished surface is _____ to the axis of rotation of the cutter and is normally performed on a ____ spindle milling machine.

parallel, horizontal

The pattern used to offset the saw blade teeth from the centerline of the blade is called ___

set

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) producing a pocket in a workpiece

End mill

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) Producing a flat-bottom groove in the surface of a part

End mill

Centerless grinding requires a high degree of skill to operate the machine.

False

For grinding wheels, glazing is the process to clean the grinding wheel and sharpen the abrasive particles.

False

High ductile materials (i.e, aluminum) should be milled with the up milling process to prevent rapid dulling of the cutter teeth

False

In centerless grinding, the work piece must be round and not include flats or keyways.

True

The creep feed grinding process is used to grind deep slots with straight parallel sides into parts

True

Which of the following surface grinding machines requires the grind wheel diameter to exceed the width of the part being abrasively machined?

Vertical spindle, reciprocating table

For the down milling process, complete the statements with the answers supplied In slab milling process, direction of cutting force is:

Vertically down

Slab milling is typically performed using what type of knee-and-column milling machine?

horizontal milling machine

The process for machining threads which requires a CNC machining center capable of circular interpolation is ___.

thread milling

The range of rise per tooth for internal broaching is to inches/tooth.

.001-.0025

Up process: The mill cutter rotates ___ the direction of feed.

Against

To finish threading a blind hole you would first use a taper tap, followed by a plug tap, and finally a [x] tap

Bottoming

Which of the following is NOT a thread forming process?

Broaching

By using extremely hard materials for abrasives it is possible to machine such materials as

Ceramics

Which of the following is NOT a common material used for the teeth of a band saw blade

Cubic boron nitride

What device is used to manually produce external threads?

Die

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) Deep slots with straight side walls

End mill

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) finishing the top surface of a work piece

Face mill

Dressing a grinding wheel refers to the process where the abrasive grit edges are dulled and flattened

False

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) bearing pocket in gearbox housing

Form cutter

Which of the following is the most common type of surface grinder machine?

Horizontal spindle, reciprocating table

Which of the following is NOT a type of broach construction?

Insert tooth

Broaching was orginally developed for the production of ____.

Internal keyways

The slot cut in the material by a saw blade is called ____.

Kerf

For the down milling process, complete the statements with the answers supplied The chip thickness is a ___ at the beginning of the chip formation.

Maximum

For the down milling process, complete the statements with the answers supplied The chip thickness is a ___ at the end of the chip formation as the tool exits the work piece.

Minimum

Which of the following is NOT a delivery method that is used with abrasives?

Mounted

Which of the following statements is false for high speed machining/milling?

One or more axes are always accelerating in a 3-D cut.

Which of the following statements is false regarding thread grinding?

Only coarse threads can be produced

The blade width of the saw blade determines the minimum ___ that can be cut with a bandsaw blade

Radius

The milling machine was invented in approximately 1816 by ___.

Simeon North

What is the type of mill cutter used to machine the slots for bolt heads in base plates, bed plates, and work tables ?

T-slot milling cutter

What is most commonly used to produce internal threads?

Taps

Which of the following statements is false regarding the thread rolling process?

Thread rolling is a hot forming process.

Up process: The direction of the cutting forces are ____.

Toward the cutter

Crush dressing is a process which is used to continuously or intermittently dress and/or true the grinding wheel while the grinding process occurs.

True

More flat surfaces are produced by the milling process than any orher machining process.

True

The honing process is not used for which of the following:

Truing of holes

Which of the following free-abrasive machining processes is safe in the event of accidental skin contact?

Ultrasonic

The honing process involves rotation and oscillatory motion to form what type of final surface finish lay pattern on the walls of the hole?

crosshatch

What type of grinding machining would be used for the grinding of camshafts and crankshafts? Hint: See table 27-4.

cylindrical external

Tapered end mills are used for ____.

finish cutting on molds to produce a desired angle

Friability refers to the ability of the abrasive material to ____.

fracture, producing new, sharp edges

In face milling, most of the cutting occurs at what area of the cutter?

peripheral edge

In centerless grinding, the regulating wheel controls _____ in the grinding process.

rotating speed and axial feed of the work piece

The grade of a grinding wheel refers to ____.

the strength of the bonds between the abrasive grits

For American pattern files, the coarseness of the file cut is given by:

the tooth pattern and the length of the file

What thread forming process is the largest by volume (# of parts produces)?

Rolling

The range of rise per tooth for surface broaching is to inches (per tooth).

.003 to .006

Identify the best type of cutter that would be used for each of the following milling operations in a vertical milling machine. (some answers maybe used more than once) producing a groove with a 1/8" diameter concave bottom

Ball end mill

A fluteless tap produces chips that are then sent forward out of a through hole.

False

In the abrasive machining process, ___ edges are cutting simultaneously resulting in a(n) ______ surface finish

Many and excellent

The use of a spiral fluted tap is to force chips up (rearward) and out of a hole during the threading process.

True

Milling cutters with carbide and ceramic cutting edges have a ____ rake angle and can be operated at ____ times faster than a HSS cutter.

negative 3-5

The abrasive machining process is a mixture of three processes; _____ moves material, _____ causes friction and _____ forms chips

plowing, rubbing, cutting

The structure of a grinding wheel refers to ___.

the spacing of the abrasive grit in the wheel

For the down milling process, complete the statements with the answers supplied The mill cutter rotates ____ the direction of feed.

with