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Technical Drawing in Photonics: Lesson 12 - Axonometric Projections

Learn about axonometric projections for easy visualization of objects, including isometric and dimetric projections, with correct measurements and distortion. Explore different types: isometric, dimetric frontal, and dimetric classical projections. Discover preparing sectors for ELI project.

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Technical Drawing in Photonics: Lesson 12 - Axonometric Projections

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  1. Technical Drawing in Photonics • Lesson 12 • Axonometric projections. Dr. Zsolt István Benkő TAMOP-4.1.1.C-12/1/KONV-2012-0005 project „Preparation of the concerned sectors for educational and R&D activities related to the Hungarian ELI project”

  2. Lesson 12 • Axonometric projections are for easy visualization of the objects. • This kind of projection is a compromise: the correct values can be measured parallel to an axis and it gives a good image of the objects in a single view but all other dimensions (not parallel to any axis) are distorted. • Three types are used mainly: • Isometric projection • Dimetric projection – frontal projection (cabinet projection) • Dimetric projection – classical (or 7:8) projection • Isometric uses the same scale for all axes (1:1). Dimetric uses 1:1 scale on two axes and one half scale on the 3rd axis. Technical drawing in Photonics

  3. Lesson 12 z(1:1) 120o 120o 120o x(1:1) y(1:1) Isometric projection Technical drawing in Photonics

  4. Lesson 12 z(1:1) 135o y(1:1) 135o x(1:2) Frontal projection (cabinet projection) Technical drawing in Photonics

  5. Lesson 12 z(1:1) 135o x(1:1) 135o y(1:2) Frontal projection (cabinet projection) Technical drawing in Photonics

  6. Lesson 12 z(1:1) 8 8 1 y(1:1) 7 x(1:2) Classical (7:8) projection Technical drawing in Photonics

  7. Lesson 12 z(1:1) 8 8 1 x(1:1) 7 y(1:2) Classical (7:8) projection Technical drawing in Photonics

  8. Lesson 12 • References • Ocskó Gy., Seres F.: Gépipari szakrajz, Skandi-Wald Könyvkiadó, Budapest, 2004 • Lőrincz P., Petrich G.: Ábrázoló geometria, Nemzeti Tankönyvkiadó Rt., Budapest, 1998 • Pintér M.: AutoCAD tankönyv és példatár, ComputerBooks, Budapest, 2006 Technical drawing in Photonics

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