Drilling Flashcards
Cutting speed refers to?
Peripheral speed
What abbreviation is used to express the feed rate on a drill press?
ipr- Inches per revolution.
Which variable is the most important when determining spindle speed?
Diameter of the drill
To remove a tapered shank twist drill from the drill spindle, use a?
Drill drift
Which type of machine tap will push the chips out ahead of the tap?
Spiral point (gun) tap
Which type of machine tap will pull the chips up out of hole?
Spiral fluted tap
Which type of machine tap does not clear the chips and may jam and break?
Straight fluted tap
Upright drill presses have a power _________ feed.
Power “table” feed
What type of drill press is used for drilling large work?
Radial arm drill press
The drilling machine that allows quick lowering and raising of the head is the?
Radial arm
The size of a sensitive drill press is generally stated by?
The distance from the Center of chuck to the column
The operation of opening a hole to an accurate size and good surface finish is the definition for?
Reaming
When a tapping operation is performed under power in a drill press a __________ is used.
Tapping attachment
A sensitive drill press has _______ feed only
Hand
A general-purpose drill for drilling most metals has an included-point angle of?
118 degrees