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sectional view
This document provides an overview of different types of sectional views used in technical drawings including: - Full, half, aligned, offset, inclined, revolved, removed, and broken-out sections - How to represent ribs and other thin features that are cut by the section plane - When partial or broken views can be used to shorten elongated objects in a drawing
sectional view
- 1. Sectional Views Feelfree to share this slide with your friends
- 2. A-A Cutting –planeline Projection direction Name A A
- 3.
- 4.
- 5. A A SectionA-A
- 6. Example 1 front view ->full section? A B C D
- 7. Example 2 front view ->full section?
- 8.
- 9.
- 10.
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- 12.
- 13.
- 14.
- 15.
- 16.
- 17. REVOLVED SECTION Onlysketch section surface
- 18. REVOLVED SECTION Onlysketch section surface
- 19.
- 20. REMOVED SECTION Onlysketch section surface
- 21. A A FULL SECTION (Rib)
- 22. FULL SECTIONHidden lines omitted
- 23.
- 24. Hidden lines omittedFULL SECTION
- 25.
- 26. Hidden lines omittedFULL SECTION
- 27. HALF SECTIONHidden lines omitted
- 28.
- 29. HALF SECTIONHidden lines omitted
- 30.
- 31.
- 32.
- 33. Section lines-thin!! Contour,45Center line ,45 Contour,45 Center line,45 attention
- 34. line No lineattention
- 35. attention Hidden lineshould be omitted!!!
- 36. model views 2.halfsections
- 37. top bottom 2.halfsections
- 38. Cutting plane remove2.half sections
- 39. direction Half sectionHalf section symmetry 2.half sections
- 40. symmetry label 2.halfsections hidden ？
- 41. Notice: the directionof section lines 2.half sections
- 42.
- 43. External Shortbreak lines (thick) model 3.Broken-out sections
- 44. model Section plane？ 3.Broken-out sections example
- 45. 模型 Cutting position Name 3.Broken-out sections label
- 46. false false falsefalse 3.Broken-out sections attention
- 47. Two intersecting planesMove away A A A A-A label 4.aligned sections
- 48.
- 49. 5.offset sectionsposition
- 50.
- 51. Section plane AA A-A B B 6.inclined sections
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- 53. 8.removed sectionsA A A-A
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- 55. 9. Ribs insections To avoid a false impression of thickness and solidity, ribs, webs, gear teeth , and other similar flat features are not sectioned even though the cutting plane passes along the center plane of the feature.
- 56.
- 57. …… ..Cutting planepasses along the center plane of the feature.
- 58. Ribs in sectionsVertical section
- 59.
- 60. To shorten aview of an elongated object, conventional breaks are recommended
- 61. Space is limited & object is symmetry == partial views 1/2 1/2 1/4