Using
Your Trig Skills
Wow,
trigonometry can help in many machine shop situations.
Over the past few months we’ve shown that trig should not
be a fear-inducing subject. Now
take your new trig skills and answer the following questions!
1.
Calculate the size of the marked angle.
Solution
1
2.
This piece has a 60 degree included angle.
Calculate the unknown length.
Solution
2
3.
Here is a 7/8” diameter HSS jobber drill.
What
is the included angle of this drill?
Knowing
the size of the included angle, calculate the length of the drill
point.
Solution
3
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