Machine /equipment Components/ Questions Flashcards
(24 cards)
A machinist is required to cut tubing on a bandsaw, what blade sets would be the most appropriate for this task?
Wavy set
A shaft requires a hole drilled into the end in the center. The diameter of the shaft is too large to fit through the Headstock of a lathe (but the end can be held by the chuck).How should you set up
?
Shaft end secured in the headstock chuck, body of the shaft supported by s steady rest and the drill in the tailstock.
What is the purpose of a ring test on a grinding wheel?
Test the wheel for cracks , damage
What is most precise lathe chuck? 
4 jaw
Angle on a drill bit?
118 degrees
Angle of prick punch?
30-60 degrees
Angle of centre pinch ?
90 degrees
Counter sink punch angle?
82 degrees
Vernier Calibers measure to what accuracy? 
1000ths of a inch
What is a drill drift and what is it used for ?
Use when you have. Taper drill , removes it
What is the difference between a two stroke and a four stroke engine
Rpm’s
Whenever you install piston rings, dots up or down?
Dots up
Why do you strap the mag base drill down to the pipe your drilling?
In case you lose power
Best repair to belts?
Hot vulcanized
What is the two commonly lengths if hacksaw blades
10inch to 12 inch
What does a shaft do?
Transmits motion and power from on machine to another
What is a rule of thumb when it comes to keys sizes?
Keys width is normally one quarter or the diameter or the shaft
When turning down sections of a shaft for a bearings or other machine components, the reduction in diameter should be not more than?
1.5:1
The bore of the bearing is indicated by what?
Last two digits of the bearing number
What tooth forms will produce the most accurate cut?
Precision/ standard
What measuring device is used to measure bore diameter?
Inside micrometer
Tapered shank twist drill a have what taper?
Morse
What can be used to line up a mill spindle with a prick punch mark?
Pointed edge finder
What does UNF stand for?
Unified fine thread
