Fechar
Define drilling
Define boring
Define reaming
What is the difference between spot-facing and counterboring?
State two methods by which the size of a drill press may be determined.
Compare a sensitive drill press with an upright drilling machine.
Describe and state the purpose of the following parts of a sensitive drill press: base
Describe and state the purpose of the following parts of a sensitive drill press: column
Describe and state the purpose of the following parts of a sensitive drill press: Drilling head
Describe and state the purpose of the following parts of a sensitive drill press: Table
Describe and state the purpose of the following parts of a sensitive drill press: Depth stop
What are the advantages of a radial drilling machine?
Compare the construction of a radial drilling machine to that of a standard upright drill press,
Unit 39: What is the purpose of a drill chuck?
Unit 39: How may chucks be secured to the spindle in: small drill presses?
Unit 39: How may chucks be secured to the spindle in large drill presses?
Name three types of drill chucks.
What is the purpose of a drill sleeve?
What is the purpose of a drill socket?
How is a tapered-shank drill removed from a drill press spindle?
Name three types of drill vises and state the purpose of each.
What is the purpose of V-blocks?
What is the purpose of step blocks?
Describe an angle plate and state its purpose.
What is the advantage of a drill jig?
Why is it important that work be clamped properly for any machining operation?
Explain the procedure for clamping a workpiece properly
List four important clamping hints.
Name three materials used to manufacture drills and state the advantages of any two.
Define the body, web, and point of a twist drill.
State the purpose of the following parts:
Tang
State the purpose of the following parts:
Flutes
State the purpose of the following parts:
Margin
State the purpose of the following parts:
Body clearance
Why are various drill points and clearances used for drilling operations?
Describe and state the purpose of the following drill points: conventional
Describe and state the purpose of the following drill points: long angle
Describe and state the purpose of the following drill points: flat angle
Why is it necessary to thin the web of a drill?
List four systems of drill sizes and give the range of each.
State the purpose of the:
-high helix drill
State the purpose of the:
-core drill
State the purpose of the:
-oil hole drill
State the purpose of the:
-straight fluted drill
State the purpose of the:
-gun drill
State the purpose of the:
-hard steel drill
