Mill 1310 - Final Exam Flashcards
What material is the dressing tool tipped with for a surface grinder?
Diamon
The safest way to hold a part to grind an angle on a surface grinder is?
Angle vise
Which safety component must be in place before starting the grinding wheel?
Wheel guard
Which is the most common holding device on a surface grinder?
Magnetic chuck
Common practice is to dress a surface grinder wheel?
Every time the wheel is started
When using any grinding equipment be sure to always?
Use eye protection and guarding
When replacing or reinstalling a grinding wheel always inspect with which 2 methods?
Ring test and visual inspection
How much extra material should be left on for finish grinding?
.010 (Ten Thousandths)
Why would you place a long piece diagonally across the magnetic chuck for grinding?
Reduce heat and distortion
What should be done to a damaged grinding wheel?
Destroy and discard
A grinding wheel may violently disintegrate from which cause?
Over speeding, internal fractures and shock loading
Wavy finish and excessive vibration on a surface grinder can be caused by?
Imbalance
Which abrasive is best for grinding hard tooling, tungsten, carbide drills and cutters?
Silicon carbide
Coolant on a stationary grinding wheel will cause?
Imbalance and disintegration
Long runs of a round stock are precision ground on which type of production grinder?
Centre-less
The best abrasive for cutting low and medium carbon steel?
Aluminum oxide
How would you remedy a burnt finish on the steel being surface ground?
Redress the wheel to clear the pores and breakout new cutting edges
Which is the best grinder for finishing a bearing diameter?
Cylindrical
The best wheel for soft material and non ferrous metals?
Silicon carbide
When choosing a band saw blade, what determines the proper blade width?
The selection chart depicting the minimum recommended arc cut diameter
Which band saw blade tooth form has the largest gullet?
Buttress and skip
Define saw tooth pitch?
of TPI (Imperial), distance from tooth to tooth (Metric)
How to anneal a saw blade after welding?
Heat to cherry red and slowly cool
How many teeth should be in contact with the work at all times?
At least 2
Describe a horizontal band saw configuration?
Blade runs close to the horizontal, part is held in a horizontal vise
Which is known as a regular tooth set?
Raker
How to determine the proper blade surface feet per minute?
Chart
How to determine the smallest radius a blade can cut?
Refer to the blade selection chart
How to determine the width of a blade to use?
Widest possible blade to cut the smallest radius
