Tools Flashcards
How are files categorised? (4)
Length
Section
Grade
Cut
Name the 9 different types of file
Hand
Flat
Half-round
Round
Square
Triangular or Three square
Knife Edge
Warding
Rasp
Name the different types of hammer (3)
Ball pein
Cross pein & straight pein
Nylon faced
How are toolmakers clamps classified?
Overall length
How should measuring equipment be treated?
Kept free from rust and not subjected to rough usage
How to test an engineers square for accuracy?
Draw a line against a true edge, flip the square, draw another line.
Any gap will show twice the error
Or check against a master square
How do you sharpen a spring divider point?
Should close the divider legs and outside of legs be honed on an oilstone
What are the two types of hacksaw blades and how many teeth per inch does each type have?
Fine tooth blade - 24 to 32 teeth per inch
Coarse tooth blade - 18 teeth per inch
What are 3 different types of hacksaw
Standard
Radial (for contours, radii)
Junior (for small diameter)
Why is a chisel used in airframe repair?
To remove the heads from rivets
How is a chisel sharpened?
By grinding on an emery wheel (grindstone)
How are vee blocks classified?
By the maximum diameter of the work they can hold
What are the three heads of a combination set and what do they do?
Square head (engineers square)
Centre head (for finding the centre of the end of a round bar or tube)
Protractor head (angles)
What should you check before using a hammer?
The head is securely fixed to the shaft and the shaft is free from cracks
What should you check before using a file?
The hand is securely fitted
How to sharpen the scribing nib of a vernier height gauge?
Using an oilstone