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GCSE AQA DT (Textiles) > Specialist technical principles: Textiles > Flashcards

Specialist technical principles: Textiles Flashcards

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1
Q

Name 6 Rs

A

Reuse, Reduce, Recycle, Rethink, Repair, Refuse

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2
Q

Extract metal ores and minerals

A

Mining
Large controlled explosions used. Loudband energy consuming

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3
Q

Extract oil and natural gases

A

Drilling
Leaks can occur, carbon footprint, non renewable resources

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4
Q

Timber

A

Deforestation
Destroys animals homes, less trees more co2, loose biodiversity

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5
Q

Plants and animlas

A

Farming
Cause pesticides, harm animals and environment

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6
Q

Wool production

A

Shearing, cleaning, carding to produce silvers, spinning

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7
Q

Silk production

A

Silk worms cocoons, steaming, unwinding fires, spinning

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8
Q

Cotton production

A

Harvesting, ginning, cleaning, carding to produce silvers, spinning

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9
Q

Polyester/acrylic production

A

Dilling and extracting crude oil, polymerisation, extrusion, through spinneret, spinning

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10
Q

Prototype and one off production

A

Bespoke, made to measure

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11
Q

Batch production

A

Flexible machinery, specific quantity of same product

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12
Q

Mass production

A

Large volumes, automated machinery. Assembly line , standard components

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13
Q

Continuous production

A

Meet constant demand 24h

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14
Q

Sportwear made from?

A

Polyester-resistant abrasion, strong, does quickly
Elastine- stretchy, absorbent, moisture wicking
Polyamide aka nylon: insulator, warm, easy to wash

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15
Q

Furnishing made from

A

Cotton: abrasion resistant
Acrylic: software, warm, retains colour, resistant to fading
Wool:strong and warm

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16
Q

Finishes

A

Flame retardant- soft, cheap production and can wash out

Stain protection: stop create and dirt from penetrating fabric

Rot proofing: stop mildew fungus

Water-resistant- nylon finish

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17
Q

Lamination

A

Adds waterproof and protection

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18
Q

Zips

A

Secure fastening, easily usable, lay flat, can be washed, hard wearing

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19
Q

Velcro

A

Safe, soft, machine washable, hard-wearing.
Over time get less sticky

20
Q

Buttons

A

Aesthetic, easy to attatch and use
Fall of and can be damaged in wash

21
Q

Press studs

A

Easy to use. Good for baby’s clothes

22
Q

Other standard components

A

Eyelets, buckles, hook and eye

23
Q

Stockforms

A

Yarns: hanks, spool,balls,skeins, reel(width)
Fabrics: roll/bolts (denier, ply)

24
Q

Laser cutting

A

CAM laser beam melta or burns fabric leaving accurate cut edge or engraved pattern

25
Q

Die cutter

A

Shaped blades inside foam stamp press through and cut several layers of fabric at once

26
Q

Sewing by hand

A

Appropriate sized needle
Unravel length needed
Weave through hoop
Tie a knot at the end
Sew using chosen stitch.
Tie off and cut excess off

27
Q

Sewing by machine

A

Set stitch and length and width. Thread the machine. Take up leaver. Fabric under presser foot. down pressr foot. Press down pedal, backstitch

28
Q

Pleat

A

Allow threw times the fabric width and mark position . Pleats even width. Fold pleats and pin across top. Press it. Sew a straight stitch along top,horizontally

Keeps you warm, aesthetic

29
Q

Gather

A

Stitch 2 running stitch lines parallel to each other at the top of the fabric in the seam allowance.(longest stitch and tension) Pull at the thread ends until its what you want. Press it knot threads at end

Volume, aesthetic

30
Q

Quilting

A

Wadding in between layers of fabric. Sew straight lines over it in patterns.

Adds warmth, traps warm air can create 3D effect

31
Q

Piping

A

In seams. Wrap folded fabric over cord . Line up pieces either side of seam allowance. Lay it face down flat and sew a straight line. Unfold fabric and iron underside of seam.

Adds stricture and strength

32
Q

Batik

A

Tjanting tool to apply wax in pattern of choice over fabric which is stretched on a frame. Let it dry and add on dye , paint it. Resist dying. Wax will resist dye . Heat it using heat proof film and iron to melt wax off. Reveals pattern

33
Q

Drape forming felt

A

Felt will shrink and compress. It is absorbent, coat felt with stiffener

34
Q

Drape forming fabric

A

Place onto mannequin and pin then trace piece and cut out and law flat. See how it will look on person and use to make pattern pieces

35
Q

Screen printing

A

Flat bed screen. Several screens one For each colour. Fabric passes under on a conveyer belt colours apply.
Squeegees move back and forth across screen. Screen lifted and fabric moves.

36
Q

Commercial weaving

A

Computer controlled
Cad software
2 yarns interlocking at 90° weft horizontally , warp vertically
Set up times long
Different colored yarns= different colored patterns

37
Q

Sublimation printing

A

Print on ink paper. Place on fabric on heat press

38
Q

Dying

A

Tye dying. Damp fabric. Resist bands on it. Dip in colour dye. Squeeze a bitm run under water a bit. Dry. Then take it out

39
Q

Jig

A

A jig is device used to hold a piece of material and guide cutting tools and they are used to ensure the process can be repeated accurately and to a high quality. For example, a carpenter making a hole of a specific alignment and depth may use a jig to aid accuracy.

40
Q

Pattern pieces/ templates

A

To ensure accuracy and consistency across products

41
Q

Datum points

A

datum referencesare used as a reference point for all measurements to be taken from and can be chosen by the manufacturer. By taking measurements from a small number of set points, accuracy can be improved and maintained.

42
Q

Tolerance

A

The amount acceptable variation from the specified measurement from which you can cut out pattern pieces, addcomponentsor sew seams.

43
Q

Seam allowance

A

amount of material between the edge of the fabric and the seam, and it is tested to check it meets the tolerance stated in themanufacturing specification.

44
Q

Tessellating

A

Arrangement of shapes that fit each other repetively

45
Q

Nesting

A

Computer generated cutting method designed to minimize creation of excess scrap during cutting process

GCSE AQA DT (Textiles) (8 decks)

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