Cutting, Shaping And Forming (Common content)
Gbogbo ọrọ náà
Every product begins life as raw stock: a sheet of card, a plank of pine, a bar of aluminium, a pellet of polymer. Turning that stock into a finished part means removing what you do not want and reshaping what is left. Cutting, shaping and forming is the family of workshop processes that does exactly that, and choosing the right one for the material in front of you is one of the core skills the 0445 examiner is looking for.
This note works through the processes used on each class of material listed in the syllabus: papers and boards, woods, metals and polymers. You will see which tools cut by slicing, which cut by abrasion and which reshape without removing anything at all, and you will learn to match a process to a material and a desired shape with confidence.
Ebumnobi
- show knowledge of cutting, shaping and forming using appropriate tools and equipment for the classes of materials listed in section 1.5.
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Cutting, Shaping And Forming (Common content). Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- Which workshop action changes the shape of a piece of material without removing any material? A. Cutting B. Shaping C. Forming D. Filing Answer: C
- Which tool is most suitable for cutting tight internal curves in a sheet of plywood? A. Tenon saw B. Coping or scroll saw C. Plane D. Tin snips Answer: B
- When cutting thin-walled metal tube with a hacksaw, which blade should be chosen and why? A. A coarse blade, because it cuts faster B. A fine blade, so at least three teeth stay in contact with the thin wall C. Any blade, because tube thickness does not matter D. A coarse blade, because thin metal needs large teeth Answer: B
- Why is acrylic sheet able to be bent on a line bender but a thermosetting polymer cannot? A. Acrylic is harder than thermosets B. Acrylic is a thermoplastic that softens when heated, while thermosets do not soften again C. Thermosets melt completely when heated D. Acrylic does not need heat to bend Answer: B
- A card net is scored before folding. What is the purpose of scoring? A. To cut the card completely through B. To weaken the card so it tears off C. To make a clean fold line so the board folds without cracking the surface D. To add decoration to the fold Answer: C
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