317 Flashcards
Longitudinal motion in a ram and turret type machine is provided by the
table
to keep a workplace from shifting under a cutting force you should use a
kicker
which arbor should you use for mounting shell end mills
style c
the speed of a milling cutter is measured in
surface feet per minute
in angular indexing with a 5:1 ratio each turn of the crank rotates the workplace
72
you can use high speed steel tools to cut though materials if you decrease the
cutting speed and feed rate
the cutting speed of a sharper is expressed in ___ per ___
feet, minute
check the alignment of the shaper vise and ram with a
dial indicator
which dimension of a keyway is the most important
width
when workplaces are to be hand finished they are machined on a
planer
abrasive grains in the wheel tear away their setting because the wheel
wears
the planer grinder and the rotary grinder are used for __ grinding
surface
when mounted on an arbor a grinding wheel should contact only the
blotters
removing the glazed surface of a grinding wheel with a hand held tool is called
dressing
after grinding you should let the wheel run for as short time to
throw off any coolant
the most common and easiest to make gear is the ___ gear
spur
the most widely used types of gears in plant machinery are ___ gears and ____ gears
spur, straight bevel
the diametral pitch is the number of teeth in a gear divided by the
gear pitch diameter in inches
after cutting the first full tooth of a spur gear check it with a special
vernier caliper
the pitch line of an involute rack is
a straight line
to cut thick work what kind of teeth should a band saw blade have
tungsten carbide
tungsten carbide saw teeth usually have an
coarse pitch
a band saw blade used for grinding and polishing has a __ shape
flat
a band saw blade is usually cooked and lubricated by an
cutting fluid
the best saw for cutting a variety of shapes in almost any material is a
vertical band saw