317 Flashcards
Longitudinal motion in a ram-and-turret type machine is provided by the
Table
To keep a workpiece 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 workpiece
_____ degrees.
72
You can use high-speed steel tools to cut tough materials if you decrease the
Cutting speed and feed rate
The cutting speed of a shaper 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 workpieces are to be handfinished, they are machined on a
Planer
Abrasive grains in the wheel tear away from 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 a 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 a(n)
Coarse pitch
A band saw blade used for grinding and polishing has a _____ shape
Flat
A band saw blade is usually cooled and lubricated by a(n)
Cutting fluid
The best saw for cutting a variety of shapes in almost any material is a
Vertical band saw
