Specialist Measuring Tools

Question 1

What are the three types of measuring gauges? And give their uses.

Answer 1

Marking gauge - wood, marks line or point parallel to edge
Mortise gauge - mark out points of mortise and tenon joint
Cutting gauge - scribe used on metal

Question 2

What are the three types of calliper? Give their uses.

Answer 2

Odd leg - mark a line parallel to an edge
Internal - measure distance between two opposite sides
External - measure external distance like thickness

Question 3

What are the types of square? Give their use/feature.

Answer 3

Set square - 30/45/60/90 degrees
Try square - right angle on wood or manufactured board
Engineers square - right angle on metal
Mitre square - wood or manufactured board 45 degrees

Question 4

What does a densitometer measure?

Answer 4

Degree of darkness of printing inks for paper and board
This helps calibrate printing equipment

Question 5

What is a divider and how is it used?

Answer 5

Tool used alongside a ruler to measure distance between points on a material

Question 6

How are jigs and fixtures helpful?

Answer 6

Save time and increase accuracy/consistency

Question 7

What does a jig do?

Answer 7

Holds the work and guides a tool, eliminating need for repeatedly marking out

Question 8

What does a fixture do?

Answer 8

Holds work in given position whilst a manufacturing process takes place

Question 9

How do go/no go gauges save time?

Answer 9

Passes or fails a product based on size.
Finds dimensionally in accurate products
More efficient then vernier calliper and micrometer