MA2005 Engineering Graphics by A/P LIM C.S. and A/P TOR S.B. MA2005 M1 to M5 Tutorials A/P LIM Choon Seng Office: N3-02b-48 Phone: 6790 5538 mcslim@ntu.edu.sg M1 – Orthographic Projection Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. Do ONE question only Draw full size the following views with hidden detail in First Angle projection (for Q1 to Q3) & Third Angle proj (for Q4 to Q6) and no dimensioning is required: y a front elevation looking in the direction of the arrow y a plan projected from the front elevation y an end view positioned on the left (for Q1 to Q3) and on the right (for Q4 to Q6) of the front elevation Page 3 of 40 M1 – Q1 M1 – Q2 A/P LIM C.S. ELEVATION Engineering Graphics M1 to M5 Tutorials ELEVATION Page 4 of 40 M1 – Q3 M1 – Q4 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials ELEVATION ELEVATION Page 5 of 40 M1 – Q5 M1 – Q6 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials • ELEVATION ELEVATION Page 6 of 40 M2 – Sectional View A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Do ONE question only • Draw full size the following views in First Angle projection (for Q1 to Q3) and Third Angle projection (for Q4 to Q5) • No dimensioning & no hidden details are required Page 7 of 40 M2 – Q1 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials A plan and front elevation of a intermediate casing are shown. Draw full size the following views in First Angle projection: • A sectional front elevation on AA • A sectional plan on BB • An end view looking on the 20 mm diameter boss. Page 8 of 40 M2 – Q2 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials A plan and front elevation of a indicator sleeve are given. Draw full size in First Angle projection, the following views: • The given front elevation • A sectional plan on BB • A sectional end view on AA Page 9 of 40 M2 – Q3 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Draw full size in First Angle projection the following views of the double mounting bracket: • The given plan • A sectional front elevation on AA • A sectional end view on BB Page 10 of 40 M2 – Q4 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials y a plan y a sectional front elevation through both the 20 slots y a sectional end view through the left 32 hole positioned on the right of the front elevation Page 11 of 40 M2 – Q5 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials y a plan y a sectional front elevation through the 20 hole y an end view positioned on the right of the front elevation Page 12 of 40 M2 – Q6 A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials y a plan y an offset sectional front elevation (choose the best cutting plane) y a sectional end view through the centre of the 12.5 hole positioned on the right of the front elevation M3 – Auxiliary Projection A/P LIM C.S. Page 13 of 40 Engineering Graphics M1 to M5 Tutorials Do two questions • one question from Section A and • another question from Section B For Section A, M3-Q1 to M3-Q5: Draw full size the three views in First Angle Projection of the triangle on the given planes. Page 14 of 40 (Section A) M3 – Q1 M3 – Q2 A/P LIM C.S. ELEVATION Engineering Graphics M1 to M5 Tutorials ELEVATION Page 15 of 40 (Section A) M3 – Q3 A/P LIM C.S. ELEVATION M3 – Q4 Engineering Graphics M1 to M5 Tutorials ELEVATION Page 16 of 40 (Section A) M3 – Q5 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. ELEVATION M3 – Q6 (Section B) A/P LIM C.S. Page 17 of 40 Engineering Graphics M1 to M5 Tutorials The given views show a right hexagonal pyramid which is cut by the plane SS. Draw in First Angle projection the lower portion of the pyramid and project from it a plan. Using these views project a first auxiliary plan to show the true shape of the cut face and a first auxiliary elevation on X1Y1. Page 18 of 40 M3 – Q7 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials A small bracket is shown in plan and elevation. Draw in First Angle projection the given views and project from them a first auxiliary elevation on X1Y1 and a first auxiliary plan on X2Y2. Page 19 of 40 M3 – Q8 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials The elevation and plan of a machined block are given. Draw in First Angle projection these views and project from them a first auxiliary plan on X1Y1 and a first auxiliary elevation on X2Y2. Page 20 of 40 M3 – Q9 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials The given views show a component in plan and elevation. Draw in Third Angle projection these views and project from them a first auxiliary elevation on X1Y1 and a first auxiliary plan on X2Y2. Page 21 of 40 M3 – Q10 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Views are given of a machined detail. Draw them in Third Angle projection and project a first auxiliary elevation on X1Y1 and first auxiliary plan on X2Y2. Page 22 of 40 M4 – Isometric Drawing Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. Do ONE question only • Draw full size the isometric drawings of the given objects with the corner marked A as the lowest point on the drawing. In some questions, you have to draw partial of the orthographic views so that the isometric drawing can be completed. Page 23 of 40 M4 – Q1 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. 105 65 10 15 15 75 25 10 5 145 40 A A Page 24 of 40 M4 – Q2 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. A 100 A Page 25 of 40 M4 – Q3 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. 5 15 70 20 30 20 15 15 A 5 160 15 75 15 15 A Page 26 of 40 M4 – Q4 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. 30 Page 27 of 40 M4 – Q5 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. 55 30 40 65 A 300 15 20 A 40 Page 28 of 40 M4 – Q6 Engineering Graphics M1 to M5 Tutorials A/P LIM C.S. 30 80 30 20 A 80 50 20 80 30 20 A Page 29 of 40 M5 – Development of Surfaces A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Do two questions • one question from Section A and • another question from Section B Do not draw the seam allowance for all the questions in this tutorial. Page 30 of 40 M5 – Q1 (Section A) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the closed prism by parallel line method. Given: • W = 45mm, H = 75mm • Seam is at A. • Top to hinge at B-C • Bottom to hinge at C-D Page 31 of 40 M5 – Q2 (Section A) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the closed prism by parallel line method. Given: • W = 45mm, H = 75mm • Seam is at A. • Top and bottom to hinge at D-E Page 32 of 40 M5 – Q3 (Section A) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the prism with open ends by parallel line method. Page 33 of 40 M5 – Q4 (Section A) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the closed pyramid by radial line method. • Seam is at A-1. • Top is hinged at A-B • Bottom is hinged at 1-2 Page 34 of 40 M5 – Q5 (Section A) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the closed pyramid by radial line method. • Seam is at A-1. • Top is hinged at A-B • Bottom is hinged at 1-2 Page 35 of 40 M5 – Q6 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the transition piece by triangulation method. Page 36 of 40 M5 – Q7 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the transition piece by triangulation method. Page 37 of 40 M5 – Q8 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the transition piece with the joint lines on aa by triangulation method. Page 38 of 40 M5 – Q9 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the transition piece with the joint lines on aa by triangulation method. Page 39 of 40 M5 – Q10 (Section B) A/P LIM C.S. Engineering Graphics M1 to M5 Tutorials Develop full size the transition piece with the joint lines on aa by triangulation method. Page 40 of 40
