Timber based material

Question 1

what is chipboard

Answer 1

a man made sheet material, made from small chips of timber glued together to produce a dense sheet

Question 2

what is MDF

Answer 2

manufactured board made from small timber fibres that are mixed with wax and resin. they are heated and compressed so that a flat, usable sheet is produced

Question 3

how is plywood made

Answer 3

by gluing at least three layers of sheet timber together at right angles to each other (laminating)

Question 4

why is plywood a strong wood

Answer 4

because the grain of the timber sheets are glued together in different directions

Question 5

ways timber can be altered

Answer 5

• staining
• varnishing
• oiling
• waxing
• painting
• laminating

Question 6

why is MDF often laminated with a single sheet of hardwood veneer

Answer 6

to give the impression that solid hardwood gad been used to make a product, but at a fraction of a cost

Question 7

how to prevent timber from snapping

Answer 7

• kerfing
• soaking the timber in water
• exposing the timber to steam

Question 8

what is kerfing

Answer 8

cutting slots in a material to aid bending

Question 9

how to reinforce or strengthen timber

Answer 9

• have the timber glued at right angles to each other, it makes it harder to bend

Question 10

what is high cross - sectional stability

Answer 10

the ability to withstand flexing

Question 11

How is timber made step by step

Answer 11

1. tree is chopped
2. branches are removed, so were only left with the trunk
3. the tree trunks are transported to a sawmill, where the trees are cut to usable planks (this is called conversion)
4. At this point, the timber can be sold, and if its been freshly cut, its sold as green timber because of its high moisture content

• if the timber has been dried out before being sold, then it has been seasoned, can be done by air or with kiln

Question 12

what is rough cut timber

Answer 12

timber that is cut quickly with a saw only

Question 13

what is a planed square edge

Answer 13

the process of using a plane to smooth one edge of a plank

Question 14

what is a plank

Answer 14

a piece of timber that is longer and wider than it is thick

Question 15

what is board

Answer 15

a piece of material that is much wider than it is thick

Question 16

what os a moulding

Answer 16

a piece of timber that has a decorative pattern along its length

Question 17

what is a spindle moulder

Answer 17

a rotary cutter used to add a decorative pattern to a length of timber

Question 18

what is a veneer

Answer 18

a thin sheet of timber

Question 19

how is veneer made

Answer 19

• the timber is rotated as a blade cuts a thin sheet of veneer from the trunk

Question 20

whats a tape measure used for

Answer 20

to measure long distances

Question 21

what is a try square

Answer 21

for marking out angles that are 90 degrees to an edge

Question 22

what is a mitre

Answer 22

for marking out angles that are 45 degrees to an edge

Question 23

what is a sliding bevel used for

Answer 23

to mark an angle that you set to edge

Question 24

what are marking and mortise gauges used for

Answer 24

marking gauge - to scratch a line that is parallel to an edge
mortise gauge - to scratch a SET of parallel lines to an edge

Question 25

what is a rip saw used for

Answer 25

for ripping through and rough cutting thicker plants and boards

Question 26

what is a tenon saw used for

Answer 26

for cutting straight lines with accuracy

Question 27

what are coping saws, jig saws and scroll saws used for

Answer 27

to cope with curves and to cut thinner pieces of timber

Question 28

what are twist drills used for

Answer 28

to drill a hole of a fixed diameter into a piece of timber

Question 29

what is chiselling used for

Answer 29

used to remove timber, usually up to a cut or between two cuts

Question 30

what is planing used for

Answer 30

used to smooth the edge of a piece of timber by running a sharp blade in the direction of the grain, or can be used at an angle to produce a chamfered edge

Question 31

what is sanding used for

Answer 31

used to achieve a profiled shape or smooth surface by removing fine particles, normally in the final stage

Question 32

what is routing

Answer 32

user a router