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Precision Machining Midterm Exam Questions And Correct Answers
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Precision Machining Midterm Exam Questions AndCorrect Answers
The _____ is located on the upper left side of the engine lathe.
a. leadscrew
b. saddle
c. headstock
d. gib - Answer c. headstock
The _____ is that part of the machine that supports and rotates work during machining.
a. apron
b. spindle
c. carriage
d. bed - Answer b. spindle
The headstock _____ is used to mount various workholding devices to the spindle.
a. spindle nose
b. spindle clutch lever
c. swing
d. saddle - Answer a. spindle nose
Just below the headstock is another gear train called the quick-change ____.
a. feed box
b. saddle box
c. tailstock
,d. gear box - Answer d.gear box
The lathe _____ is mounted on the right side of the headstock and serves as the base for
the entire machine.
a. rest
b. rack
c. bed
d. carriage - Answer c. bed
The top of the lathe bed has precision-ground flat and v-shaped rails called the ____.
a. ways
b. swing
c. gib
d. rod - Answer a. ways
The _____ supports the lathe cutting tool and provides the tool with the movement
needed to perform machining operations.
a. gap box
b. carriage
c. spindle
d. feed rack - Answer b. qcarriage
The sliding motion of the saddle is parallel to the ways and is called _____ feed.
a. vertical
b. horizontal
c. longitudinal
d. latitudinal - Answer c. longitudinal
, The _____ slide sits atop the saddle and provides
cutting-tool motion at right angles to the ways.
a. clutch
b. cross
c. stock
d. latitudinal - Answer b. cross
The _____ is an extra-long threaded rod that is carried on the bearings provided at each
end.
a. headstock
b. leadscrew
c. tailstock
d. headscrew - Answer b. leadscrew
The _____ is a bar running the length of the bed and equipped with teeth.
a. gap rack
b. gib
c. feed rack
d. apron - Answer c. feed rack
The _____ of the lathe is defined by the largest diameter workpiece that can be mounted
in the spindle without touching the ways.
a. bed
b. saddle
c. spindle
d. swing - Answer d. swing
On a _____ lathe, a small section of the lathe bed can be taken away to enable
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