Techniques for quantity production

Question 1

How can measurement be transferred onto timber?

Answer 1

Using a ruler and a pencil or marking knife.

Question 2

What is name of the starting point where all measurements are taken from?

Answer 2

Datum lines

Question 3

Draw the face side and face edge of timber?

Answer 3

Search google

Question 4

Why are face sides and face edges used?

Answer 4

Used for marking out

Question 5

What does a try square do?

Answer 5

Mark a 90° line to the edge.

Question 6

What does a try square look like?

Answer 6

Search google

Question 7

What does a marking gauge do?

Answer 7

Produce a line parallel to an edge

Question 8

What does a marking gauge look like?

Answer 8

Search google

Question 9

What does a mortise gauge do?

Answer 9

Produce a double line parallel to an edge

Question 10

What does a mortise gauge look like?

Answer 10

Search google

Question 11

What does a mitre square do?

Answer 11

Mark a 45° line to the edge.

Question 12

What does a mitre square look like?

Answer 12

Search google

Question 13

What does a sliding bevel do?

Answer 13

Be set to produce any angles

Question 14

What does a sliding bevel look like?

Answer 14

Search google

Question 15

Define Jig

Answer 15

A 3D device used as an aid to production

Question 16

What does a jig do?

Answer 16

A jig is a specially made device used to assist production by speeding up the process and improving both accuracy and consistency.

Question 17

Give an example where a jig is used.

Answer 17

Drilling

Question 18

What does a fixture do?

Answer 18

Fixtures hold different parts of a timber product together while they are being glued or assembled.

Question 19

What does a template do?

Answer 19

• Templates speed up production when several identical components need to be cut.
• Templates can be made from paper, card or more resistant materials such as MDF or plywood.
• They can either be drawn around or used as a profile to be cut around.

Question 20

What does a pattern do?

Answer 20

A pattern is a 3d version of a template

Question 21

Give an example where a pattern is used.

Answer 21

Wooden patterns are used in the process of casting aluminium.

Question 22

What are sub-assemblies?

Answer 22

A sub-assembly is a completed sub-section that forms part of the main product

Question 23

Give an example where sub-assemblies are used.

Answer 23

When making a batch of wooden tables, a sub-assembly of frames would be made before the tops are fitted.

Question 24

What does computer-aided manufacture do?

Answer 24

• All CAM begins with a computer-aided design (CAD) program
• Laser cutters can be used to cut and etch thin sections of timber
• Thicker sections of Timber can be cut shaped with a 3D router.

Question 25

What is quality control?

Answer 25

-Quality control of timber-based products involves the checking and testing of parts ensure that they are accurately produced and free from errors.

Question 26

What defects of Timber should quality control check for?

Answer 26

Timber should be checked for defects such as splits, knots, bowing, cupping and twisting.

Question 27

Define tolerance

Answer 27

A tolerance is given as a maximum and minimum that a component can be.

Question 28

Give an example of tolerance.

Answer 28

A chair leg that is to 600mm long could be given a tolerance of 0.5mm. This would mean it could be any size between 599.5 mm and 600.5 mm and still be accepted.

Question 29

Define tessellation in a manufacturing process

Answer 29

The arrangement of components to minimise waste.

Question 30

What is process/arrangement is used to efficiently minimise waste?

Answer 30

Tessellation