7.3 Flashcards
How many teeth must be in contact when using a hack saw
More then one
What is the technique for using a hack saw
Pressure going forwards and no pressure going back
What direction to the blades go on a hacksaw and junior hacksaw
Hacksaw blades point away from handle
Junior blades point towards handle
(Always point in direction of cut)
What prevents the hacksaw blade from binding in the material
The slot it cuts needs to be bigger then the thickness of the blade
What is a double cut file
Gives a fast cut but rough finish
What are the types of cuts on files
Single cut
Double cut
Dreadnought cut
Grasp cut
What is a single cut file?
Produce a smooth surface or file a keen edge
What is a double cut file?
Fast metal removal with a rough finish
What is a rasp cut file?
Extreamly rough cut on soft materials
(Wood and leather)
What is a dreadnought cut file?
Curved teeth
Rapidly removes large quantities
What is the purpose of flutes on a drill?
Allow for removal of chips and swarf
What are the parts to a drill
Shank
Flutes
Cutting lip
Body
Land
Margin
