tech Flashcards
types of softwoods
pine, red pine, cedar, spruce
hard woods
ash, oak, beech, walnut
what drill bit could drill a flat bottomed hole
forster bit
spade/flat bit
suitable hand tool that could create a chamfer
smoothing plane
describe how the corner rebate joint could be marked out accurately.
measure wood using a steel rule then draw 90 lines with a try square then mark the depth with a marking gauge. after get a clamp to hold wood then cut the line to the line using a tenon saw, remove waste with chisel
wood working joints
finger, housing, butt, dovetail
two methods of checking a frame is square
measuring diagonals
use a try engineers square
what’s an appropriate adhesive for assembling softwood
PVA glue
what are three stages in the preparation of the wooden components before applying stain
remove pencil marks
remove dust with damp cloth
sand with dry then wet sand paper
why is brass a suitable material
easy to cut/shape
doesn’t rust
cheap
wood working tools
tenon saw, coping saw, try square, chisel, marking gauge, file
safety checks before turing lathe on
guard down
bar secured in chuck
cutting tool centred
processes that would be carried out on lathe to create the turning point
parallel turning
step turning
two ways good quality thread is cut
slow the speed of the lathe down
clean die/ensure it is sharp
suitable adhesive for joining brass
epoxy resin
how to prevent acrylic from cracking
drill slowly
drill before forming curve
benefits of using a questionnaire to gather information
to gather information from a wide range of people
can be written to suit the target market
how can specification can be used during the design process
to inform the designer what the proposal must achieve by the end of the design process
as an outgoing evaluation tool
key stages of brainstorming
group activities
record all ideas
spark ideas off each other
how has ergonomics influenced the design of kettle
length of the handle and diameter
weight of the kettle
colour of parts to provide visual information
how does the design factors influence the design of the bike
safety- hand grips so your hands don’t slide off the bars
adjustable seat height so you can be comfortable
function- basket to carry Belongings
soft grips on the handlebars
how do the clocks compare aesthetically
clock a is more modern than clock b
the symmetrical design of clock a and b contrast with the asymmetrical design of clock c
benefits of a strong brand
customer loyalty
well known so people are more likely to buy it
name a suitable metal for a metal tap
copper
it is durability and long lasting