C3-Bandsaw/Drillpress Flashcards
What is the clearance from the work piece of the upper guide assembly on a band saw?
6 mm
Which of the following operations require relief cuts?
sharp curves
What is the purpose of the ball bearing blade supports on a band saw?
prevent the blade from being pushed off the wheels
What is the first step in changing a band saw blade?
Lock out the power
Why are the tires on a band saw crowned slightly?
keep the blade tracking properly
Which type of blade would allow wood to be ripped quickly on a band saw?
skip tooth
Which of the following types of metal cutting may cause a woodcutting band saw that is equipped with a metal cutting blade to jam?
a thin sheet of ferrous metal
What should be done before backing out of a long curved cut?
turn off the power
What must a band saw have so it can rip bevels?
a tilting table
What does using a jig prevent when ripping round stock on a band saw?
spiralling
Where should the guide assemblies be set before changing the blade on a band saw?
wide open and clear of the blades
What is being checked when the wheels are turned by hand after installing a new band saw blade?
tracking
When changing a band saw blade, after what point in the procedure should the correct tension be applied to the blade?
the tracking has been adjusted
For which of the following band saw operations is a pivot block is useful?
re-sawing
Where should the blade guides be positioned?
just behind the gullets
Why should the position of the teeth be checked after placing a new blade on the band saw wheels? It is easy to install the blade
upside down
What would rhythmic clicking sound indicate?
the blade could be kinked or cracked
How should āEā be adjusted?
So that there is minimal clearance from the blade and positioned just behind the gullets
How is power transferred from the motor to the spindle on a drill press?
a belt
What problem is caused if the speed setting on a drill press is set too fast?
burn the bit
What is required to drill square or rectangular holes with a drill press?
mortising attachment
When drilling metal, what should happen to the feed pressure as the drill bit begins to exit the stock?
feed pressure should reduced
What is the purpose of placing a piece of scrap wood under the work when drilling wood?
It prevents tearing out on the underside
Which of the following is required of the drill bit in a mortising chisel?
have a 1 -2 mm clearance from the bottom of the chisel
When is it safe to walk away from a drill press?
Once the bit has stopped turning
What should be done if the drill bit is too large to pass through the hole in a drill press table?
Question 26
Place a piece of scrap wood under the work
How should small pieces of work be held when being drilled with drill press
Use clamps
What could cause a mortise chisel to bend or creep sideways?
Contact with one side
At what bit speed setting should hard materials be drilled?
slow
What should be done if the quill of a drill press will not return to its uppermost position?
adjust the return spring
What drill bit speed setting are required when drilling large holes?
slow
What problem will a feed pressure that is too light cause?
overheating
How can holes be drilled to a predetermined depth?
adjust the stop nuts on the depth-stop rod
What is the first thing to check when you use a drill press?
speed setting
What should be used to lay out the location of a hole to be drilled in metal?
centre punch
What should be used to drill into hard metals?
cutting oil
Which type of drill bit should NEVER be used on a drill press?
auger bit
What type of bit can drill large holes, up to 150 mm in diameter into steel?
hole saw
How can a large twist drill bit be sharpened so it cuts a cleaner hole in wood?
with a file, like a spur bit
What is required when using the full length of a drum sander mounted on a drill press?
a raised sanding table
What can be added to a drill press in order to make repetitious drilling operations easier?
foot feed
What can be used so that hand-held stock will not rotate on a drill press?
fence
What is the simplest way to prevent the bit from jamming and overheating when drilling deep holes?
raise the bit to clear the chips
What does the rack-and-pinion gear on a drill press do?
move the quill up and down
How can the quill in a drill press be described?
A sliding sleeve