14

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When removing chips from a lathe, it is recommended that you use a(n)___________

2" paint brush

The ________is engaged only for thread cutting.

Halfnut lever

The jaws of a(n) ______chuck cannot be reversed to hold large diameter work.

3- jaw chuck

A ________chuck automatically centers work. All of the jaws move simultaneously.

3-jaw universal

The jaws chuck on a(n) ________chuck can hold irregularly shaped work because each jaw has individual movement.

4- jaw independent chuck

The operator notices that the chips are turning blue immediately after they clear the cutting area. What does this indicate? What should the operator do about it?

A) this too much heat at the point of machining and the workpiece is absording some of the heat. B) the Chip laoud or the fead rate must be change so that less heat is generated

How will the work be affected if the headstock center does not run true when workir between centers?

Because work-holding between centers requires the work to be supported at both ends only external machining operations can be performed.

are used to break the long, cotinuous chips that are created when machining some metals.

Chip breaker

What is the most chuckinisth e mast rapid important safety precaution to remember when using a chuck?

Chuking is the most rapid method of mounting work and it is widely preferred for thath reason

A(n)________and countersink are usually used to drill center holes.

Combination drill

The ________provides instructions on how to set the lathe shift levers for various thread cutting and feed combinations.

Index plate

What does ndictes a square-shoulder nubbin indicate?

Indicates that the cutter is below center.

A ______chuck is normally fitted in the tailstock but can also be used to hold small-diameter work for turning if fitted into the headstock.

Jacobs

To prevent rust from forming, a light coating of _______should be applied to all machined surfaces.

Machine oil

What is the most accurate method for centering round stock in a 4-jaw chuck?

Operates individually in stead of being coupled with other jaws as in the 3-jaw chuck

Never attempt to perform a(n). _________operation on work being turned between centers.

Parting

The deep cuts made to remove a large amount of material from a workpiece are called__________

Roughing cuts

A(n) ________tool is ground flat on the face and designed for lght turing

Round nose

When lubricating a lathe, you should use the type and grade of lubricant and the specific lubricating _________specified by the manufacturer.

Sequence

At what angle should you set the compound rest when rough turning between centers?

Set the Compound restat 30°From a right angle to the work

1. Lathe size is determined by _____and the length of the bed.

Swing

What will occur if tools designed for machining steel are not honed?

The irregular edge produced by grinding will crumble when used

What are their the chief advantages of a collet chuck?

Their ability to center work automatically and to maintain accuracy over long periods of hard usage

What does a rounded nubbin indicate?

Will result if the tool is slightly above center

The ________on a lathe system provides slower speeds with greater power.

back gear

The ________lathe dog has a recessed setscrew.

bent-tail safety

The lathe dog has an exposed setscrew.

bent-tail standard

The _________lathe dog is used for turning square or rectangular work.

clamp-type

Facing cuts can be made

in either direction

The tailstock________

is used to mount the lathe center

The spindle on a lathe is hollow and is tapered internally to _____________.

receive tools and attachments with taper shanks

3. The ___________transmits power to the carriage through a gearing and clutch arrangement.

spindle

Various work-holding attachments can be fitted to the _________

spindle

You should check work frequently when machining between centers because as the workpiece heats up, it may damage the.

tailstock center

At what angle is the cutoff blade set when parting on a lathe?

the cutoff blade is Set at e xorctiy 90 grade work surface

A ______is seldom used on modern lathes.

threaded spindle nose

The shank of the left-hand toolholder points

to the left

The V-shaped bearing surface of a lathe that aligns and guides the movable part of the machine is the___________.

ways

What should be done to prevent springing when machining long work?

while it is beihg mach (het, long work should be center-drilled and supported with a tail Stock center


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