Cutting, Shaping And Forming
Bayani Gaba-gaba
Once a part is marked out it has to be brought to shape, and that means removing the material you do not want and forming what is left. Cutting, shaping and forming is the heart of practical workshop skill: choosing the right saw, file, drill, machine or CAM process for the material in front of you, and using it in a way that is accurate, efficient and safe. The same shape can often be reached several ways, and a designer who understands the processes makes the choice that gives the best result for the least effort.
This note works through cutting and material removal for woods, metals and polymers: the hand saws, files and chisels; the power and machine tools such as the pillar drill, scroll saw, lathe and sanding machines; the forming processes including line bending, vacuum forming and bending sheet metal; and the CAM routes of laser cutting and CNC routing. It explains how to match the process to the material and why each tool cuts the way it does.
Manufura
- select and perform methods of cutting and removal of materials, using appropriate hand tools, power tools, machinery and/or computer-aided manufacture (CAM).
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Cutting, Shaping And Forming. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which saw is most suitable for cutting a tight internal curve in thin acrylic? A. Tenon saw B. Rip saw C. Coping saw D. Junior hacksaw Answer: C
- Why should a fine-toothed blade be used to cut thin sheet metal? A. It cuts faster than a coarse blade B. It keeps at least three teeth in the cut so the saw does not snatch C. It is the only blade that fits a hacksaw D. Fine teeth clear large chips better Answer: B
- When drilling a large hole in mild steel, the spindle speed should be: A. As fast as possible B. Slow, often with cutting fluid C. The same as for a small drill D. Irrelevant to the result Answer: B
- Which process forms a crisp single fold in acrylic sheet? A. Vacuum forming B. Line bending (strip heating) C. Sand casting D. Steam bending Answer: B
- Which material must never be cut on a school laser cutter because it releases toxic fumes? A. Acrylic B. Plywood C. PVC D. MDF Answer: C
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Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
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