Engineering Graphics and Design Grade 11 P2 2019 QP (Eng)

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conten Downloaded from hlayiso.com — La y QUESTION 1: ANALYTICAL (MECHANICAL) Oe “ ° 22 C'BORE Given: /, 40x25 DEEP A detailed drawing of a seal bracket, a title block and a table of questions. The drawings have not been prepared to the indicated scale. R) Instructions: Rta Complete the table below by neatly answering the questions, which all refer to the accompanying drawings and the title block. [28] 3 QUESTIONS ANSWERS 1 | On what date was the drawing approved? 1 2 | Who was the draughsman? 1 a 3. | What is the name of the engineering firm? 1 a/ x af & f 4 | Which indicated scale has been used? 1 L 6 HOLES M12~“ 5 | How many seal brackets must be produced? 1 VIEW 2 SECTION R 6 | On what date was the size of the tapped holes revised? 1 110 7 | Whatis the file name? 1 8 | What is VIEW 1 called? 1 9 | What is the depth of the thread on a standard M12 nut? 2 y 10 | How many threaded holes are there on the seal bracket? 1 THT \ | s Wt | | 11 | What type of section is Section R and T? 2 | * Wid | | 2 Hy Ww eS cey 12 | Name the feature at 1. 1 Ti eine, te | t H S t H 13 |Name the feature at 2. 1 at ! paren . tl ih 14 | Name the feature at 3. 1 @ A 120 15 | Determine the total height of the seal bracket. 2 VIEW 1 16 | Determine the complete dimensions: A- B- Cc D- 4 a 17 | Determine the complete dimension at E 2 + « 8 18 | In the box below, draw, in neat freehand, the symbol for the projection system used. 4 ALL UNDIMENSIONED RADII ARE R 6. Nx ALL DIMENSIONS ARE IN MILLIMETRES. | SCALE: 1:5 -L [uta TOTAL | 28 PROGRAMME: AUTOCAD 2019 MATERIAL: CAST IRON ANSWER 18 FILE NAME: bi SECTION T racket13.dwg QUANTITY: 9500 UNITS DRAWING No. JM-08 TREATMENT: NONE MILLING 2. ENLARGE TAPPED HOLES 2019/03/21 - - DESIGNED FOR KM FOUNDRIES 15; 1. INSERT SUPPORTS. 2019/03/19 IG MA R 10 PETER STREET REVISIONS DATE EAST LONDON ‘B® 431 123 9876 CHECKED: TINI 2019/04/16 ‘SURNAME & INITIAL TITLE s EAL B RAC KET APPROVED: THEO 2019/04/25 SURNAME & INITIAL 2 Copyright reserved Please tum over

Engineering Graphics and Design/P2 Downloaded from hlayiso.com — QUESTION 2: LOCI NOTE: Answer QUESTIONS 2.1 and 2.2. 2.1 AUGER Given: The incomplete front view and incomplete left view of an auger. Specifications: © The outer diameter of the auger is 290 mm © Pitch = 72 mm © Direction: left-hand * Starting point: left bottom as indicated by A Instructions: Using scale 1:1 * Copy and complete the given left view. * Draw ONE AND A HALF turns of the auger around the given shaft. * Show ALL necessary construction [25] —_ ASSESSMENT CRITERIA 1 | LEFT VIEW + CONSTRUCTION | 12 2 | AUGER + SHAFT 13 SUBTOTAL | 25 2.2 CAMS: The specifications for the movement are as follows: The cam rotates at uniform velocity Over the first 60° the follower rises for 24 mm There is a dwell period for the next 30° Over the next 30° the follower rises a further 27 mm Over the next 60° the follower rises a further 34 mm There is a dwell period for the next 45° Over the next 60° the follower decends 50% of the displacement There is a dwell period for the next 15° Over the final 60° the follower retums to its original position Instructions: * Draw, to scale 1 : 1, a displacement graph with a rotational scale of 360° equal to 100 mm and a follower displacement scale of 1 : 1 for the given motion. * Label the graph Show ALL necessary construction. [14] ASSESSMENT CRITERIA 1 | CONSTRUCTION 3 2 | GRAPH + LABEL 11 SUBTOTAL 2.2| 14 SUBTOTAL 2.1| 25 TOTAL | 39 SURNAME & INITIAL SURNAME & INITIAL 3 Copyright reserved Please tum over

Engineering Graphics and Design/P2 Downloaded from hlayiso.com — QUESTION 3: ISOMETRIC DRAWING Given: © The front view, top view and left view of a wall plate The position of point A on the drawing sheet Instructions: Convert the orthographic views of the wall plate into an isometric drawing. * Make corner A the lowest point of the drawing. * Show ALL necessary circle and other constructions. * NO hidden detail is required [38] 80 64 TT a) | & ‘| L 4 Jo) LL __ | joa 8 zt Lt [1 5 [aj 44 | 18 AY ASSESSMENT CRITERIA 1 | CONSTR’ + PLACEMENT 3 we 2. | ISOMETRIC LINES 7 3 | RIB 44 4 | HEXAGON 6 5 | CIRCLE 7 TOTAL| 38 ‘SURNAME & INITIAL SURNAME & INITIAL 4 Copyright reserved Please tum over

Engineering Graphics and Design/P2 m EC/NOVEMBER 2019 ut | Downloaded f (Fel rom hlayiso.co 100 On 100 Loe “st x = 8 f=} T Os os # ot ons & 8 ai , , PIN min M16 BOLT itis tu [23] jaf 7 32 Pe TOP PLATE @26 & QD WASHER LI 20 | EXPLODED ISOMETRIC DRAWING al GUIDE BLOCK 16 CAM LEVER SLIDE BLOCK joj 74 SECTION L-L 6, Le COVER PLATE QUESTION 4: MECHANICAL ASSEMBLY Given: © The exploded isometric drawing of the parts of a drill jig assembly, showing the position of each part relative to all the others. © Orthographic views of each of the parts of the drill jig assembly. * Starting point S on page 6. Instructions: * Answer this question on page 6. © Draw, to scale 1:1 and in third-angle orthographic projection, the following views of the assembled parts of the drill jig assembly: 4.1 The sectional front view of the drill jig assembly, on cutting plane T-T as seen from the direction of the arrow shown on the exploded isometric drawing. The cutting plane, that runs vertically through the centre of the assembly, is shown on the top view of the base (part 7) 4.2 A top view without any hidden detail. * ALL drawings must comply with the guidelines contained in the SANS 10111. NOTE: * Use point S as reference to position the parts. © Planning of the layout of the views is important. © Show, in the sectional front view, THREE faces of the M16 bolt and ALL constructions. * NO hidden detail is required. Add the following features to the drawing: * The cutting plane T-T. [95] PARTS LIST PARTS: (QUANTITY MATERIAL 1.PIN 2 MILD STEEL 2.16 BOLT 1 MILD STEEL 3. WASHER 1 MILD STEEL 4. GUIDE BUSH 1 MILD STEEL 5. TOP PLATE 1 CAST IRON 6. GUIDE BLOCK 1 CAST IRON 7. BASE 1 CAST IRON 8. CAM LEVER 1 CAST IRON 9. SLIDE BLOCK 1 CAST IRON 10. COVER PLATE 1 MILD STEEL _ DRILL JIG 10 PETER STREET JIG MAKERS EAST LONDON ENGINEERING WORKS ane FR 431 123 9876 ALLDIMENSIONS ARE| ALL UNSPECIFIED © e IN MILLIMETRES. RADII ARE R3 EI Copyright reserved Please tum over

Engineering Graphics and Design/P2 EC/NOVEMBER 2019 Downloaded from hlayiso.com ASSESSMENT CRITERIA TOP VIEW PIN 4 M16 BOLT + WASHER 53 GUIDE BUSH 2 TOP PLATE, 1 BASE 2 CAM LEVER 95 SLIDE BLOCK 3 COVER PLATE 2 CUTTING PLANE T-T 3 SUBTOTAL | 32 ASSESSMENT CRITERIA SECTIONAL FRONT VIEW M16 BOLT + WASHER 133 GUIDE BUSH 43 TOP PLATE 5 GUIDE BLOCK 2 BASE 6 CAM LEVER 103 SLIDE BLOCK 8 COVER PLATE 5 ASSEMBLY (9 parts) 8 SUBTOTAL | 63 TOTAL | 95 SURNAME & INITIAL SURNAME & INITIAL [6 Copyright reserved