Shop: Chapter 14
The bent-tail standard dog ____.
has the setscrew exposed
A bent-tail safety lathe dog ____.
has the setscrew recessed
Never attempt to part stock that is held ____.
mounted between centers
Assuming that power is being transmitted through the gearbox, if the quick-change gearbox is changed, the cutting tool will ____.
move faster or slower if the carriage is engaged to the lead screw
The lathe operates on the principle ____.
of the work revolving against the controllable cutting tool
The chief function of any lathe, no matter how complex, is to ____.
rotate the work against a controllable cutting tool
When facing stock, a rounded "nubbin" of face material results if the cutting tool is ____.
slightly above center
When facing stock, a square shoulder "nubbin" of face material results if the cutting tool is ____.
slightly below center
Lathe size is determined by the ____.
swing and length of the bed
If the cutting speed is too high, ____.
the cutting tool will dull rapidly
Round and hexagonal stock will center automatically in a 3-jaw universal chuck because ____.
the jaws move simultaneously
A ____ is seldom used on modern lathes.
threaded spindle nose
If a lathe dog binds on the faceplate slot, the piece being turned will ____.
All of the above.
The finish cut brings the work to ____.
All of the above.
The spindle on a lathe is hollow and tapered internally to ____.
All of the above.
The tailstock ____.
All of the above.
There are a number of factors that must be considered when determining the correct cutting speed and feed rate, including the ____.
All of the above.
Which of the following actions are considered dangerous when operating a lathe?
All of the above.
The spindle will have to be ____.
None of the above.
The jaws on a 4-jaw independent chuck ____ to hold larger diameter work.
can be reversed
The jaws on a 3-jaw universal chuck ____.
cannot be reversed to hold larger diameter work
Parting is the operation of ____.
cutting off material after it has been machined
Slower speeds with greater power are obtained on some lathes by ____.
engaging back gear
The longest piece of work that can be turned between centers is equal to the length of the bed minus the space taken up by the ____.
headstock and tailstock
Collets can ____.
All of the above.
A ____ chuck can hold irregular shape work as each jaw has individual movement.
4-jaw independent
Approximate alignment of lathe centers can be determined by checking ____.
All of the above.
Cutter bits are ground to cut ____.
It depends on the tool.
The lead screw transmits power from the quick change gear box to the ____.
None of the above.
When moved, the variable speed control will ____.
change spindle speed
The swing of a lathe indicates the largest ____.
diameter work that can be turned over the ways
If the live center on a lathe does not run true, the work will have diameters that are ____.
eccentric
If the cutting speed is too slow, ____.
extra time will be needed to complete the job