6.7.1 Tools and equipment Flashcards
Name 4 hand tools used for cutting
- fabric shears
- embroidery scissors (intricate work)
- craft knife (small templates/stencils)
- pinking shears (zigzag cutting edge: no fraying)
Purpose of:
seam ripper/unpicker
pins
cutting mat
seam ripper: unpicks faulty seams
pins: temporarily hold fabric together
cutting mat: guides for accurate cutting (used with rotary cutter or craft knife)
Name 3 main types of sewing machines
- domestic sewing machines
- computerised sewing machines
- overlock machine
Use of computerised sewing machines
can embroider original designs
Use of an overlock machine
used in industry - cuts straight edge & over sews edge to neaten material at the same time
Why do designers use CAD?
to develop surface designs for printing which can be transferred to digital printing systems
1 Advantage of CAD
can be revisited, manipulated and changed (including patterns/colour)
Why is CAD a cost effective way of developing designs?
(2)
number of physical prototype is reduced and replaced by 3D imagery/virtual protoypes
(sustainable)
Main difference between CAD and CAM
CAD - creates accurate 3D models/imagery of a product
- used for designing and planning how a product will look
CAM provides a simpler, less labour intensive way of manufacturing and bringing the CAD design into life
Name 3 advantages of CAM
- speeds up manufacture
- improves consistency and productivity
- reduces human error