JPegd Gr 11 Answer book (2019).pdf - COPYRIGHT u00a9 JP...

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Unformatted text preview: COPYRIGHT © JP KOPIEREG © JP de CHAPTER / HOOFSTUK 9: TRANSITION PIECES / OORGANGSTUKKE CHAPTER / HOOFSTUK 8: INTERPENETRATION & DEVELOPMENT DEURDRINGING & ONTWIKKELING CHAPTER / HOOFSTUK 7: SOLID GEOMETRY / VASTE LIGGAME CHAPTER / HOOFSTUK 6: CIVIL DRAWINGS / SIVIELE TEKENINGE CHAPTER / HOOFSTUK 5: CIVIL ANALYTICAL / SIVIEL ANALITIES CHAPTER / HOOFSTUK 4: PERSPECTIVE DRAWINGS / PERSPEKTIEF TEKENINGE CHAPTER / HOOFSTUK 3: ISOMETRIC DRAWINGS / ISOMETRIESE TEKENINGE CHAPTER / HOOFSTUK 2: MECHANICAL ASSEMBLY / MEGANIESE SAMESTELLING CHAPTER / HOOFSTUK 1: MECHANICAL ANALYTICAL / MEGANIES ANALITIES p 99-106 p 89-98 p 77-88 p 64-76 p 49-63 p 44-48 p 29-43 p 18-28 p 6-17 p 1-5 th CHAPTER / HOOFSTUK 10: LOCI (HELIX) / LOKUSSE (HELIKS) p 107-119 INDEX / INHOUDSOPGAWE CHAPTER / HOOFSTUK 11: LOCI (CAM) / LOKUSSE (NOK) COPYRIGHT / KOPIEREG All rights reserved © JP No part of this workbook may be reproduced or transmitted in any form or by any means without permission in writing from the publisher. This includes electronic or mechanical, including photocopying, recording, or any information storage and retrieval system. Alle regte voorbehou © JP Geen gedeelte van hierdie werksboek mag sonder die skriftelike toestemming van die uitgewer gereproduseer word of in enige vorm of deur enige middel weergegee word nie, hetsy deur fotokopiëring, plaat- of bandopname, vermikrofilming of enige ander stelsel van inligtingsbewaring. ACKNOWLEDGEMENTS / ERKENINGS Some of the questions in this book have been contained in previous examination papers and used with the permission of the Executive Directors of the Independet Examinations Board, Department of Basic Education and South-African Comprehensive Assessment Institute. Sommige van die vrae in hierdie boek is vervat in vorige eksamenvraestelle, wat met die toestemming van die nodige Uitvoerende Direkteure van die Onafhanklike Eksamenraad, Departement van basiese onderwys en Suid-Afrikaanse Komprehensiewe assesseringsinstituut. Reproduced under Goverment Printer's Works Authorization No. 11794 dated 02 July 2018. COPYRIGHT © JP KOPIEREG © JP A CONTINUOUS THIN LINE NOTE: DEURLOPENDE DUNLYN LET WEL: REVOLVED SECTION / GEWENTELDE SNIT LET WEL: DEURLOPENDE DIKLYN CONTINUOUS THICK LINE NOTE: REMOVED SECTION / WEGSTAANDE SNIT SECTION A-A / SNIT A-A A ALIGNED SECTION / IN-LYNGERIGTE SNIT DIFFERENT SECTION / VERSKILLENDE SNITTE FULL SECTION / VOLSNIT INCORRECT / VERKEERD LET WEL: VERANDER HARTLYN NA DEURLOPENDE DUNLYN HALF SECTION / HALFSNIT SECTION LINES NOT REQUIRED SNITLYNE NIE NODIG NIE NOTE: CHANGE CENTRE LINE TO CONTINUOUS THIN LINE CORRECT / KORREK PART SECTION / GEDEELTELIKE SNIT PART SECTION TO SHOW INTERNAL DETAIL GEDEELTELIKE SNIT OM INTERNE DETAIL TE TOON TRUE EXAMPLE WARE VOORBEELD VIEW / AANSIG CONVENTION KONVENSIE FEATURE / EIENSKAP SILINDRIESE HELIESE DRUKVEER CONVENTION KONVENSIE GATE OP 'N LINEÊRE STEEK (HERHAALDE EIENSKAPPE) STRAIGHT DIAMOND STRAIGHT DIAMOND STRAIGHT DIAMOND KNURLING KARTELING REGUIT DIAMANT / RUIT REGUIT DIAMANT / RUIT BALL BEARING ROLLER BEARING BALL BEARING ROLLER BEARING REGUIT DIAMANT / RUIT HOLES ON A CIRCULAR PITCH (REPEATED FEATURES) GATE OP 'N SIRKELSTEEK (HERHAALDE EIENSKAPPE) DOWEL BALL & ROLLER BEARING TAPPEN SQUARE ON A SHAFT KOEËL- & ROLLAER KOEËLLAER ROLLAER KOEËLLAER VIERKANT OP 'N AS ROLLAER INTERRUPTED VIEW ON A ROUND SECTION (S-BREAK) EXTERNAL SCREW THREAD ONDERBROKE AANSIG OP 'N RONDE SNIT (S-BREEK) BUITESKROEFDRAAD A A INTERNAL SCREW THREAD SPUR GEAR REGUITTANDRAT BINNESKROEFDRAAD A A INTERRUPTED VIEWS (S-BREAK) SHAFT / AS SHAFT / AS SCREW THREADS (ASSEMBLY) ONDERBROKE AANSIGTE (S-BREEK) PIPE / PYP PIPE / PYP SKROEFDRADE (SAMESTELLING) BEHANDELING VAN SIMMETRIESE KOMPONENTE VIEW / AANSIG HOLES ON A LINEAR PITCH (REPEATED FEATURES) CYLINDRICAL HELICAL COMPRESSION SPRING TREATMENT OF SYMMETRICAL COMPONENTS TRUE EXAMPLE WARE VOORBEELD SYMMETRY SYMBOL SIMMETRIESE SIMBOOL SPLINED SHAFT RIB-AS SYMMETRY SYMBOL SIMMETRIESE SIMBOOL SERRATED SHAFT RIFFEL-AS MECHANICAL DRAWINGS MEGANIESE TEKENINGE CONVENTIONAL REPRESENTATION KONVENSIONELE VOORSTELLINGS COPYRIGHT © JP KOPIEREG © JP FEATURE / EIENSKAP SYMBOLS USED FOR INDICATION OF SURFACE TEXTURE SIMBOLE VIR AANDUIDING VAN OPPERVLAKTEKSTUUR APPROXIMATELY ONGEVEER BASIC SYMBOL / BASIESE SIMBOOL 60° REMOVAL OF MATERIAL / VERWYDERING VAN MATERIAAL REMOVAL OF MATERIAL NOT PERMITTED VERWYDERING VAN MATERIAAL NIE TOEGELAAT NIE INDICATION OF SPECIAL SURFACE CHARACTERISTICS AANDUI VAN SPESIALE OPPERVLAKKENMERKE INDICATION OF SURFACE ROUGHNESS AANDUI VAN OPPERVLAKGROFHEID a MAXIMUM (a1) AND MINIMUM (a2) LIMITS OF SURFAC'E ROUGHNESS MAKSIMUM (a1) EN MINIMUM (a2) GRENSE VIR OPPERVLAKGROFHEID a1 a2 WORTELOPENING SYMBOL SIMBOOL ONGEVEER RADIAAL APPROXIMATELY RADIAL ONGEVEER SIRKELVORMIG APPOXIMATELY CIRCULAR MEERRIGTING MULTIDIRECTIONAL GEKRUIS CROSSED LOODREG PERPENDICULAR PARALLEL PARALLEL SYMBOL / SIMBOOL 10 = M C R M 50° 5 (6) N O P Q M J K L a b c d e f GRINDING SLYPWERK CHEMICAL CHEMIES PLATING PLATERING MACHINING MASJINERING HONING SILINDRIESE SLYPWERK METHOD / TREATMENT METODE / BEHANDELING LAPPING FYNSLYP CRITERION OF ROUGHNESS MAATSTAF VIR GROFHEID Ra = 1 UNIT / EENHEID = µm = 0,0001 mm ROUGHNESS VALUE Ra = µm GROFHEIDSWAARDE ROUGHNESS GRADE NUMBERS GROFHEIDGRAADNOMMERS ROUGHNESS VALUE Ra IN MICROMETERS OR ROUGHNESS GRADE NUMBER N1 TO N12 GROFHEIDWAARDE Ra IN MIKROMETER OF GROFHEIDSGRAADNOMMERS N1 TOT N12 PRODUCTION METHOD, TREATMENT OR COATING PRODUKSIE METODE, BEHANDELING OF BEDEKLAAG SAMPLING LENGTH MONSTERNEMINGSLENGTE DIRECTION OF LAY PATROONRIGTING / LÊRIGTING MACHINING ALLOWANCE MASJINERINGSTOELATING OTHER ROUGHNESS VALUES (IN BRACKETS) ANDER GROFHEIDSWAARDES (TUSSEN HAKIES) J FINISH SYMBOL AFWERKINGSIMBOOL SYMBOL WALSING ROLLING HAMER HAMMER VLAM FLAME BEITEL CHISEL SLYPMASJIEN GRINDER MASJIEN MACHINE METHOD M SIMBOOL K METODE L FLUSH GELYK KONKAAF CONCAVE KOVEKS CONVEX CONTOUR OR WELD SURFACE KONTOER OF SWEISVLAK R H F C G M N O P Q WELDING SYMBOL SWEISLASSIMBOOL REFERENCE LINE / VERWYSINGSLYN SITE-WELD / TERREIN- OF PERSEELSWEIS ARROW / PYL WELD ALL AROUND / SWEIS RONDOM CENTRE-TO-CENTRE SPACING OF WELD (PITCH) MIDDELPUNT-TOT-MIDDELPUNTSPASIËRING VAN LAS (STEEK) LENGTH OF WELD / LENGTE VAN LAS "OTHER SIDE" OF WELD / "ANDERKANT" VAN DIE LAS ROOT OPENING / WORTELOPENING ARROW SIDE PYLKANT OTHER SIDE ANDERKANT MACHINING & SURFACE TEXTURE SYMBOLS MASJINERING- & OPPERVLAKTEKSTUURSIMBOLE INTERPRETATION / VERTOLKING SYMBOLS FOR DIRECTION OF LAY SIMBOLE VIR PATROONRIGTING (LÊRIGTING) A B C D E F G H ARC BOOG MECHANICAL SYMBOLS MEGANIESE SIMBOLE ROOT OPENING INCLUDED ANGLE / INGESLOTE HOEK SECTIONAL VIEW DEURSNEE AANSIG TYPES OF WELDS / TIPE LASSE WELD LAS SQUARE HAAKS BEAD KRAAL BEVEL SKUINS SINGLE "V" ENKEL "V" SINGLE "J" ENKEL "J" SINGLE "U" ENKEL "U" PLUG / SLOT PROP / GLEUFOORSLAG I "ARROW SIDE" OF WELD / "PYLKANT" VAN DIE SWEIS NUMBER OF PROJECTION WELDS / AANTAL PROJEKSIE LASSE BASIC WELDING SYMBOL / BASIESE SWEISSIMBOOL WELDING PROCESS / SWEISPROSES TAIL / STERT SIZE OR STRENGTH OF CERTAIN WELDS/ GROOTTE OF STERKTE VAN SEKERE LASSE GROOVE ANGLE / GROEFHOEK CONTOUR SYMBOL / KONTOERSIMBOOL FINISH SYMBOL / AFWERKINGSIMBOOL FILLET A B C D E F G H I MECHANICAL SYMBOLS MEGANIESE SIMBOLE 50 25 12,5 6,3 3,2 1,6 0,8 0,4 0,2 0,1 0,05 0,025 N 12 N 11 N 10 N9 N8 N7 N6 N5 N4 N3 N2 N1 COPYRIGHT © JP KOPIEREG © JP GROOVE OR BUTT WELDS / GROEF- OF STUIKLASSE +0.25 160 -0.30 Given: A front view, top view and right view of a box and gland assembly, detailed drawing of the flange, a title block and a table of questions. The drawings have not been prepared to the indicated scale. Instructions: Complete the table below by neatly answering the questions, which all refer to the accompanying drawings and the title block. [30] Ø20 Ø88 Ø76 100 Ø88 QUESTION: ANALYTICAL (MECHANICAL) E QUESTIONS 200 Ø12 126 32 20 A 150° R75 DETAILED VIEW OF FLANGE A Ø12 HOLE Ø26 x 6 SPOT FACE VIEW 2 A M12 D 20 8 12 R C 21 64 S B Ø58 T Ø50 VIEW 1 VIEW 3 ALL DIMENSIONS ARE IN MILLIMETRES QUANTITY: 512 UNITS DRAWING PROGRAM: TURBOCAD 2015 MACHINING: MILLING FILE NAME: LULU15.dwg FINISH: POLISHED DRAWING No: LF-15/4 SCALE: 1 : 2 UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ON DIMENSIONS ARE ±0,15. ALL UNSPECIFIED RADII ARE R3. 7 Angus Street Pretoria 012 345 6789 TITLE NAME: GRADE 11: PARTS LIST ANSWERS 1 On what date was the drawing approved? 2015-03-03 1 2 What is the title of the assembly? BOX AND GLAND 1 3 What scale is indicated for the drawing? SCALE 1 : 2 1 4 What material is used to manufacture the bush? RUBBER 1 5 On what date was the revision done? 2015-02-03 1 6 What is the drawing number? LF-15/4 1 7 What would VIEW 3 be called? RIGHT VIEW 1 8 What type of section is shown in VIEW 1? HALF SECTION 1 9 What part is used to protect the flange surface when the nut is being tightened? WASHER 1 10 Name the part at R. STUD 1 11 Name the feature at S. SPOT FACE 1 12 Name the feature at T. S-BREAK 1 13 How many surfaces need to be machined? 7 1 14 Give the complete dimensions at: A 100 B Ø12 2 15 Determine the complete dimensions at: C 21 - 3 = 18 D 64 + (32-8) = 88 4 16 With reference to the tolerance, determine the maximum dimension at E. 160.25 2 17 With reference to the tolerance, determine the minimum dimension at E. 159.7 2 18 Insert the cutting plane on VIEW 2 and label it A-A. 3 19 In the space provided below, draw, in neat freehand, the symbol for the projection system used. 4 30 TOTAL PART QUANTITY MATERIAL 1 BASE 1 CAST IRON 2 FLANGE 1 MILD STEEL 2. 3 STUD 2 MILD STEEL 1. INSERT SPOT FACE 4 SHAFT 1 HARDENED STEEL 5 BUSH 1 RUBBER DRAWN: HENDRIK 2015-01-01 6 WASHER 2 MILD STEEL CHECKED: ANEMIE 2015-02-02 7 NUT 2 MILD STEEL APPROVED: ANDRE 2015-03-03 REVISIONS 2015-02-03 ANSWER 19 DATE ENGINEERING GRAPHICS & DESIGN SYMBOL ANALYTICAL (MECHANICAL) DATE: COPYRIGHT © JP KOPIEREG © JP 260 50 +0.25 160 -0.30 Gegee: 'n Vooraansig, bo-aansig en regteraansig van 'n pakbus- en drukstuksamestelling, 'n gedetailleerde tekening van die flens, 'n titelblok en 'n tabel met vrae. Die tekeninge is nie volgens die aangetoonde skaal voorberei nie. Ø20 Ø88 Ø76 Instruksies: Voltooi die tabel hieronder deur die vrae, wat almal na die bygaande tekeninge en titelblok verwys, netjies te beantwoord. [30] 100 Ø88 VRAAG: ANALITIES (MEGANIES) E VRAE 200 Ø12 126 32 20 A 150° R75 GEDETAILLEERDE AANSIG VAN FLENS A Ø12 GAT Ø26 x 6 KOLVLAK AANSIG 2 A M12 D 20 8 12 R C 21 64 S B Ø58 T Ø50 AANSIG 1 AANSIG 3 ALLE AFMETINGS IS IN MILLIMETER HOEVEELHEID: 512 EENHEDE TEKENPROGRAM: TURBOCAD 2015 MASJINERING: FREESWERK LÊERNAAM: LULU15.dwg AFWERKING: GEPOLEER TEKENING Nr: LF-15/4 SKAAL: 1 : 2 TENSY ANDERS VERMELD IS ALLE TOLERANSIES OP AFMETINGS ±0,15. ALLE ONGESPESIFISEERDE RADIUSSE IS R3. Angusstraat 7 Pretoria 012 345 6789 TITEL NAAM: GRAAD 11: ANTWOORDE 1 Op watter datum is die tekening goedgekeur? 2015-03-03 1 2 Wat is die titel van die samestelling? PAKBUS EN DRUKSTUK 1 3 Watter skaal word vir die tekening aangetoon? SKAAL 1 : 2 1 4 Van watter materiaal is die bus vervaardig? RUBBER 1 5 Op watter datum is die hersiening gedoen? 2015-02-03 1 6 Wat is die tekeningnommer? LF-15/4 1 7 Wat sal AANSIG 3 genoem word? REGTERAANSIG 1 8 Watter soort snit word in AANSIG 1 getoon? HALFDEURSNEE 1 9 Watter onderdeel word gebruik om die flensoppervlakte te beskerm wanneer die moer vasgedraai word? WASTER 1 10 Benoem die onderdeel by R. TAPBOUT 1 11 Benoem die kenmerk by S. KOLVLAK 1 12 Benoem die kenmerk by T. S-BREEK 1 13 Hoeveel vlakke moet gemasjineer word? 7 1 14 Gee die volledige afmetings by: A 100 B Ø12 2 15 Bepaal die volledige afmetings by: C 21 - 3 = 18 D 64 + (32-8) = 88 4 16 Met verwysing na die toleransie, bepaal die maksimum afmeting by E? 160.25 2 17 Met verwysing na die toleransie, bepaal die minimum afmeting by E? 159.7 2 18 Voeg die snyvlak op AANSIG 2 in en benoem dit A-A. 3 19 In die spasie voorsien hieronder, teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word. 4 LYS VAN ONDERDELE 30 TOTAAL ONDERDEEL HOEVEELHEID MATERIAAL 1 BASIS 1 GIETYSTER 2 FLENS 1 SAGTE STAAL 2. 3 TAPBOUT 2 SAGTE STAAL 1. VOEG KOLVLAK BY 4 AS 1 VERHARDE STAAL 5 BUS 1 RUBBER GETEKEN: HENDRIK 2015-01-01 6 WASTER 2 SAGTE STAAL NASIENER: ANEMIE 2015-02-02 7 MOER 2 SAGTE STAAL GOEDGEKEUR: ANDRE 2015-03-03 HERSIENINGS 2015-02-03 ANTWOORD 19 DATUM INGENIEURSGRAFIKA & ONTWERP SIMBOOL ANALITIES (MEGANIES) DATUM: COPYRIGHT © JP KOPIEREG © JP 260 50 A QUESTION: ANALYTICAL (MECHANICAL) Given: A detailed drawing of a front stub axle, a title block and a table of questions. The drawing has not been prepared to the indicated scale. B C Instructions: Complete the table below by neatly answering the questions, which all refer to the accompanying drawing and title block. [32] ANSWERS QUESTIONS VIEW 2 D 4 BLIND HOLES DRILLED 10 DEEP AND TAPPED M8 x 1,4 69 40 74 30 Ø34 10 Ø25 4 U/CUT 2 25 R3 R1 76 69 6 20 M16 x 2 Ø20 Ø24 Ø26 Ø30 Ø40 28 30 10° Ø25 5 23 4 Ø24 23 37 4 3 8 2 VIEW 3 VIEW 1 FILE NAME: TD-SA AXLE.dwg QUANTITY: 7000 ALL UNSPECIFIED RADII ARE 5mm DRAWING No: MVZYL 2103 X TREATMENT: HARDENING ALL DIMENSIONS ARE IN MILLIMETRES REMOVE ALL BURRS AND SHARP EDGES TURNING N9 R 680 De Beer Street Wonderboom 0031 Gauteng 012 345 6767 TITLE NAME: GRADE 11: 1 PROGRAMME: TurboCAD Pro v21.2 On what date was the drawing checked? 2015-07-12 1 2 What is the name of the engineering firm? JP ENGINEERING 1 3 What scale is indicated for the drawing? 1:2 1 4 What treatment must the stub axles undergo? HARDENING 1 5 On what date was the axle angle revised? 2015-07-15 1 6 What is the drawing number? MVZYL 2103 X 1 7 What would VIEW 1 be called? FRONT VIEW 1 8 How many surfaces need to be machined? 17 1 9 How many threaded holes are there in the stub axle? 4 1 10 What production method is required to achieve the finish on the stub axle? TURNING 1 11 What direction of lay is indicated by the machining symbol? RADIAL PATTERN 2 12 What type of section is shown in VIEW 3? PART SECTION 1 13 Name the encircled feature at 1. EXTERNAL SCREW THREAD 1 14 Name the feature at 2. FILLET 1 15 What is the thickness of the feature at 3? 4 1 16 Name the encircled feature at 4. THREADED HOLE 2 17 Name the type of curve at 5. INTERPENETRATION 2 18 Determine the angle between the centre lines at 6. 100˚ 2 19 What is the depth of the undercut? 2 2 20 Determine the complete dimensions at: A Ø10 21 In the space provided in the title block (ANSWER 21), draw, in neat feehand, the symbol for the projection system used. B 60 TOTAL C M16 D 8 4 4 32 MATERIAL: CAST IRON SCALE 1 : 2 REVISIONS DATE ANSWER 21 1. AXLE ANGLE 2015-07-15 DRAWN: ANDRE 2015-06-10 2. AXLE HOLES 2015-07-18 CHECKED: MARISKA 2015-07-12 APPROVED: LULU 2015-07-22 ENGINEERING GRAPHICS & DESIGN SYMBOL ANALYTICAL (MECHANICAL) DATE: COPYRIGHT © JP KOPIEREG © JP 4 HOLES DRILLED Ø10 115 90 1 A VRAAG: ANALITIES (MEGANIES) Gegee: 'n Gedetailleerde tekening van 'n voorste stompas, 'n titelblok en 'n tabel met vrae. Die tekening is nie volgens die aangetoonde skaal voorberei nie. B C Instruksies: Voltooi die tabel hieronder deur die vrae, wat almal na die bygaande tekening en titelblok verwys, netjies te beantwoord. ANTWOORDE VRAE 1 Op watter datum is die tekening nagesien? 2015-07-12 1 2 Wat is die naam van die ingenieursfirma? JP INGENIEURSWERKE 1 3 Watter skaal is vir die tekening aangetoon? 1:2 1 4 Watter behandeling moet die stompasse ondergaan? VERHARDING 1 5 Op watter datum is die ashoek hersien? 2015-07-15 1 6 Wat is die tekeningnommer? MVZYL 2103 X 1 7 Wat sal AANSIG 1 genoem word? VOORAANSIG 1 8 Hoeveel oppervlakke moet gemasjineer word? 17 1 9 Hoeveel gate met skroefdraad is daar in die stompas? 4 1 10 Watter produksiemetode word vereis om die afwerking op die stompas te verkry? DRAAIWERK 1 11 Watter rigting van afwerking word deur die masjineringsimbool aangedui? RADIALE PATROON 2 12 Watter soort snit word in AANSIG 3 getoon? GEDEELTELIKE SNIT 1 13 Benoem die omkringde kenmerk by 1. EKSTERNE SKROEFDRAAD 1 14 Benoem die kenmerk by 2. BINNERONDING 1 15 Wat is die dikte van die kenmerk by 3? 4 1 16 Benoem die omkringde kenmerk by 4. TAPGAT 2 17 Benoem die tipe kurwe by 5. INTERPENETRASIE 2 18 Bepaal die hoek tussen die senterlyne by 6. 100˚ 2 AANSIG 1 19 Wat is die diepte van die ondersnyding? 2 2 20 Bepaal die volledige afmetings by: A 21 In die spasie voorsien in die titelblok (ANTWOORD 21), teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word. 4 TOTAAL 32 AANSIG 2 D 4 BLINDE GATE 10 DIEP GEBOOR EN M8 x 1,4 GETAP 4 GATE GEBOOR Ø10 115 90 69 40 74 30 Ø34 10 Ø25 4 O/SNYDING 2 25 R3 R1 6 76 69 [32] 20 M16 x 2 Ø20 Ø24 Ø26 Ø30 Ø40 28 30 10° 5 23 4 Ø24 23 37 4 3 8 AANSIG 3 2 LÊERNAAM: TD-SA AXLE.dwg HOEVEELHEID: 7000 ALLE ONGESPESIFISEERDE RADIUSSE IS 5mm TEKENING Nr: MVZYL 2103 X BEHANDELING: VERHARDING ALLE AFMETINGS IS IN MILLIMETER VERWYDER ALLE BRAME EN SKERP KANTE DRAAIWERK N9 R De Beerstraat 680 Wonderboom 0031 Gauteng 012 345 6767 TITEL NAAM: GRAAD 11: 1 TEKENPROGRAM: TurboCAD Pro v21.2 MATERIAAL: GIETYSTER Ø10 B 60 C M16 D 8 4 SKAAL 1 : 2 HERSIENINGS DATUM ANTWOORD 21 1. ASHOEK 2015-07-15 GETEKEN: ANDRE 2015-06-10 2. ASGATE 2015-07-18 NAGESIEN: MARISKA 2015-07-12 GOEDGEKEUR: LULU 2015-07-22 INGENIEURSGRAFIKA & ONTWERP SIMBOOL ANALITIES (MEGANIES) DATUM: COPYRIGHT © JP KOPIEREG © JP Ø25 Ø64 Ø30 QUESTION: ANALYTICAL (MECHANICAL) Ø44 M21 Ø20 Given: The working drawing of a diaphragm regulator with a title block and a table of questions. S Instructions: Complete the table below by neatly printing the answers to the questions, which all refer to the accompanying drawings and title block. [30] S 1 Ø70 AF 32 Ø14 QUESTIONS 12 6 VIEW 2 2 E 36 44 M12 x 1,5 3 57 48 SPH Ø10 B 12 C 20 F Ø60 RUBBER DIAPHRAGM 17 30 22 34 38 Ø3 D 23 M14 x 1,5 x 11 DEEP VIEW 1 12/05/11 MARIE DIAMETER OF INLET A DATE CHANGED BY REVISION OF DESCRIPTION No: (SA) (PTY) LTD NAME: GRADE 11: 34 M20 x 1,5 x 10 DEEP VIEW 3 ANSWERS 1 On what date was the revision completed? 12/05/2011 1 2 Who checked the drawing? ARNO 1 3 What is the title of the drawing? DIAPHRAGM REGULATOR 1 4 What scale is indicated for the drawing? 1:2 1 5 From what material are the metal components of the regulator made? BRASS 1 6 How many internal screw threads are there in the assembly? 5 1 7 How many parts make up the assembly? 10 1 8 What orthographic projection system has been used? 3rd ANGLE ORTHOGRAPHIC PROJECTION 1 9 What would VIEW 3 be called? RIGHT VIEW 1 10 What would VIEW 2 be called? TOP VIEW 1 11 What is the outer diameter of the rubber diaphragm? Ø60 1 12 What is the diameter of the sphere? Ø10 1 13 Determine the dimensions at:(A) Ø14 14 What drawing feature is shown at 1? CUTTING PLANE 1 15 What drawing feature is shown at 2? DIMENSION / LENGTH 1 16 What type of section is shown at 3? PART SECTION 1 17 What does the machining symbol NO MACHINING PERMITTED 2 18 What is the permissible tolerance on the components of the regulator? 0,25 mm 1 19 Determine the upper limit of tolerance for a dimension of 34 mm. 2 20 In the block below, draw, in neat freehand, the simplified SANS 0111 convention for a spring! (B) Ø30 (C) Ø64 (D) Ø20 mean? (E) M 12 (F) 107 34,25 mm TOTAL DRAWING SYSTEM: TurboCAD Prof v17.2 DRAWN: LUHAN 20/03/11 DRAWING No: LFN/304/2010 CHECKED: ARNO 29/03/11 FILE NAME: D5Y2 APPROVED: ANNA 03/04/11 188 SCHOEMAN STREET UNLESS OTHERWISE SPECIFIED ALL DIMENSIONS ARE IN MILLIMETRES PRETORIA WITH A TOLERANCE OF 0,25. 0001 UNLESS OTHERWISE SPECIFIED, ALL 012 555 2345 SURFACE TEXTURE FINISHES ARE 30 20. MATERIAL: BRASS HEAT TREATMENT: NORMALISE SCALE: 1:2 Convention for the spring ENGINEERING GRAPHICS & DESIGN 6 4 ANALYTICAL (MECHANICAL) DATE: COPYRIGHT © JP KOPIEREG © JP A Ø64 VRAAG: ANALITIES (MEGANIES) Gegee: Die werkstekening van 'n diafragmareguleerder met 'n titelblok en 'n tabel met vrae. Ø20 M21 Ø44 Instruksies: Voltooi die tabel hieronder deur die antwoorde van die vrae, wat almal na die bygaande tekeninge en titelblok verwys, netjies te drukskryf. [30] S S 1 Ø70 OK 32 ...
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