Key words 0.0 / 5 ? Design & Technology: GraphicsBSIWorking DrawingsSurface developmentsNetsGCSEAQA Created by: megantCreated on: 20-06-16 15:55 Isometric drawing Pictorial drawing without any horizontal lines, 30 degrees, showing object in 3D 1 of 35 Orthographic drawing at right angles, 2D, used to show size, details of design 2 of 35 Third angle orthographic projection Most common, working drawing, uses front view, plan view, side view 3 of 35 Hidden detail Lines which you know exist but you cannot see 4 of 35 Outlines Exterior of object, thick lines, clear to see 5 of 35 Hatch lines 45 degree angle, 3D effect 6 of 35 Centre lines Long dashes, go straight across, vertically and horizontally, overlap will usually be the centre 7 of 35 Section lines Show where an object will be cut (scissor icons show this) 8 of 35 Short break lines Wavy lines, show that an object is very long or has same cross section 9 of 35 Sectional drawings Drawings of objects as if they were cut in half 10 of 35 Exploded drawings How a object is assembled, sometimes include arrows showing which way an arrow goes, very complex drawings (flat-pack) 11 of 35 Self assembly Produced by a company, sold as flat-packs, instructions drawn in 3D makes it easier to visualise 12 of 35 Scale drawings Produced when a object is too big to be drawn on paper, objects appears smaller but everything will be in proportion 13 of 35 Site plans Drawings that show a project site from above (construction of buildings) 14 of 35 Floor plans Scaled own drawings, used by architects, shows how the inside of the building is laid out 15 of 35 Schematic drawings Produced for a practical function, usually electrical 16 of 35 Surface developments 2D versions of bets that will be 3d, made out of many different materials, tessellated to reduce waste 17 of 35 Surface development manufacture Cut to size and shape on guillotines, irregular shapes die cutting is used, expensive, used when a large number of shapes are needed 18 of 35 Joining and locking card Card glued together or designed where it becomes self locking 19 of 35 Encapsulation Thin layer of plastic, boned to the surface by heat, gloss finish, wiped clean, expensive, durable (menus) 20 of 35 Hue A particular depth of colour 21 of 35 Crop marks 4 corners of a page, tell printer where to crop, guillotine the printed image 22 of 35 Anthropometrics Make sure the products fits the customer 23 of 35 Ergonomics Designed for the customers needs 24 of 35 Bleed area 3mm extra area at the edge of printed image, allows for misalignment when cropping the image 25 of 35 Thermoplastic Plastic that can be re shaped many times when it is heated 26 of 35 Bought in Components you have not made but have bought in for your project 27 of 35 HDPE High density polyethylene is a thermoplastic, used for strong containers, bottles and garden furniture 28 of 35 6 R's Rethink, refuse, reduce, reuse, repair, recycle 29 of 35 Advantages of CAD Quick, erase, rotate, zoom, saves time, links to cam 30 of 35 Disadvantages of CAD Expensive, designers have to be trained 31 of 35 Advantages of CAM Saves time, 24/7, no mistakes 32 of 35 Disadvantages of CAM Expensive, workers have to be trained, repairs cost alot 33 of 35 Health and safety Use the appropriate materials, tools are safe, protective clothing, do not get distracted, listen 34 of 35 PPE Personal protective equipment 35 of 35
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