Gr 11 IGOEGD WERKBOEKWORKBOOK

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IGO/EGD WERKBOEK/WORKBOOK

Graad/Grade 11

Ë2011-B-EGD-WB01´»´¸µ¹Î

Ingenieursgrafika en Ontwerp Werkboek Graad 11 KABV-aangepas

Engineering Graphics and Design Workbook Grade 11 CAPS aligned

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

Ø88

QUESTION: ANALYTICAL (MECHANICAL)

E

100

Ø76

QUESTIONS

200

Ø12

32

20

126

150°

R75

DETAILED VIEW OF FLANGE 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 www.jpegd.co.za 012 345 6789 TITLE

NAME: GRADE 11:

PARTS LIST

ANSWERS

1

On what date was the drawing approved?

1

2

What is the title of the assembly?

1

3

What scale is indicated for the drawing?

1

4

What material is used to manufacture the bush?

1

5

On what date was the revision done?

1

6

What is the drawing number?

1

7

What would VIEW 3 be called?

1

8

What type of section is shown in VIEW 1?

1

9

What part is used to protect the flange surface when the nut is being tightened?

1

10 Name the part at R.

1

11 Name the feature at S.

1

12 Name the feature at T.

1

13 How many surfaces need to be machined?

1

14 Give the complete dimensions at:

A

B

2

15 Determine the complete dimensions at:

C

D

4

16

With reference to the tolerance, determine the maximum dimension at E.

2

17

With reference to the tolerance, determine the minimum dimension at E.

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

32

20

126

150°

R75

GEDETAILLEERDE AANSIG VAN FLENS 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 www.jpegd.co.za 012 345 6789 TITEL

NAAM: GRAAD 11:

ANTWOORDE

1

Op watter datum is die tekening goedgekeur?

1

2

Wat is die titel van die samestelling?

1

3

Watter skaal word vir die tekening aangetoon?

1

4

Van watter materiaal is die bus vervaardig?

1

5

Op watter datum is die hersiening gedoen?

1

6

Wat is die tekeningnommer?

1

7

Wat sal AANSIG 3 genoem word?

1

8

Watter soort snit word in AANSIG 1 getoon?

1

9

Watter onderdeel word gebruik om die flensoppervlakte te beskerm wanneer die moer vasgedraai word?

1

10 Benoem die onderdeel by R.

1

11 Benoem die kenmerk by S.

1

12 Benoem die kenmerk by T.

1

13 Hoeveel vlakke moet gemasjineer word?

1

14 Gee die volledige afmetings by:

A

B

2

15 Bepaal die volledige afmetings by:

C

D

4

16

Met verwysing na die toleransie, bepaal die maksimum afmeting by E?

2

17

Met verwysing na die toleransie, bepaal die minimum afmeting by E?

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?

1

2

What is the name of the engineering firm?

1

3

What scale is indicated for the drawing?

1

4

What treatment must the stub axles undergo?

1

5

On what date was the axle angle revised?

1

6

What is the drawing number?

1

7

What would VIEW 1 be called?

1

8

How many surfaces need to be machined?

1

9

How many threaded holes are there in the stub axle?

1

10

What production method is required to achieve the finish on the stub axle?

1

11

What direction of lay is indicated by the machining symbol?

2

12

What type of section is shown in VIEW 3?

1

13

Name the encircled feature at 1.

1

14

Name the feature at 2.

1

15

What is the thickness of the feature at 3?

1

16

Name the encircled feature at 4.

2

17

Name the type of curve at 5.

2

18

Determine the angle between the centre lines at 6.

2

19

What is the depth of the undercut?

2

20

Determine the complete dimensions at: A

D

4

21

In the space provided in the title block (ANSWER 21), draw, in neat feehand, the symbol for the projection system used.

4

B

TOTAL

C

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?

1

2

Wat is die naam van die ingenieursfirma?

1

3

Watter skaal is vir die tekening aangetoon?

1

4

Watter behandeling moet die stompasse ondergaan?

1

5

Op watter datum is die ashoek hersien?

1

6

Wat is die tekeningnommer?

1

7

Wat sal AANSIG 1 genoem word?

1

8

Hoeveel oppervlakke moet gemasjineer word?

1

9

Hoeveel gate met skroefdraad is daar in die stompas?

1

10

Watter produksiemetode word vereis om die afwerking op die stompas te verkry?

1

11

Watter rigting van afwerking word deur die masjineringsimbool aangedui?

2

12

Watter soort snit word in AANSIG 3 getoon?

1

13

Benoem die omkringde kenmerk by 1.

1

14

Benoem die kenmerk by 2.

1

15

Wat is die dikte van die kenmerk by 3?

1

16

Benoem die omkringde kenmerk by 4.

2

17

Benoem die tipe kurwe by 5.

2

18

Bepaal die hoek tussen die senterlyne by 6.

2

AANSIG 1

19

Wat is die diepte van die ondersnyding?

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.

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

B

TOTAAL

MATERIAAL: GIETYSTER

C

D

4 4 32

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?

1

2

Who checked the drawing?

1

3

What is the title of the drawing?

1

4

What scale is indicated for the drawing?

1

5

From what material are the metal components of the regulator made?

1

6

How many internal screw threads are there in the assembly?

1

7

How many parts make up the assembly?

1

8

What orthographic projection system has been used?

1

9

What would VIEW 3 be called?

1

10

What would VIEW 2 be called?

1

11

What is the outer diameter of the rubber diaphragm?

1

12

What is the diameter of the sphere?

1

13

Determine the dimensions at:(A)

14

What drawing feature is shown at 1?

1

15

What drawing feature is shown at 2?

1

16

What type of section is shown at 3?

1

17

What does the machining symbol

18

What is the permissible tolerance on the components of the regulator?

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!

4

(B)

(C)

(D)

(E)

6

(F)

2

mean?

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 www.egdengineering.co.za 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

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

A

Ø64 Ø30

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

Ø14

VRAE 12

6

AANSIG 2 2

E

36

44

M12 x 1,5

3

57

48

SPH Ø10

B

12

C

20

F

Ø60 RUBBERDIAFRAGMA

17

30

22

34

38

Ø3

D 23 M14 x 1,5 x 11 DIEP

34

M20 x 1,5 x 10 DIEP

AANSIG 1

12/05/11

MARIE

DIAMETER VAN INVOERE

A

DATUM

VERANDER DEUR

BEKRYWING VAN HERSIENING

Nr:

AANSIG 3

TEKENPROGRAM: TurboCAD Prof v17.2

LEÊRNAAM: D5Y2

(SA) (Edms.) Bpk.

NAAM: GRAAD 11:

1

Op watter datum is die hersiening voltooi?

1

2

Wie het die tekening nagesien?

1

3

Wat is die titel van die tekening ?

1

4

Wat is die skaal wat vir die tekening aangetoon word?

1

5

Van watter materiaal is die metaalonderdele van die reguleerder vervaardig?

1

6

Hoeveel interne skroefdrade is daar in die samestelling?

1

7

Uit hoeveel onderdele bestaan die samestelling?

1

8

Watter ortografiese projeksiesisteem is gebruik?

1

9

Wat sal AANSIG 3 genoem word?

1

10

Wat sal AANSIG 2 genoem word?

1

11

Wat is die buite-diameter van die rubberdiafragma?

1

12

Wat is die diameter van die sfeer?

1

13

Bepaal die afmetings by:(A)

14

Watter tekenkenmerk word by 1 getoon?

1

15

Watter tekenkenmerk word by 2 getoon?

1

16

Watter tipe snit word by 3 getoon?

1

17

Wat word met die masjineringsimbool

18

Wat is die toelaatbare toleransie op die onderdele van die reguleerder?

1

19

Bepaal die boonste toleransiebeperking vir die afmeting van 34 mm.

2

20

Teken, in netjiese vryhand, die eenvoudige SANS 0111- konvensie van 'n veer in die onderstaande blok.

4

(B)

(C)

(D)

(E)

(F)

6

2

bedoel?

TOTAAL TEKENING Nr: LFN/304/2010

SCHOEMANSTRAAT 188 PRETORIA 0001 www.igoingenieurs.co.za 012 555 2345

ANTWOORDE

TENSY ANDERS VERMELD, IS ALLE AFMETINGS IN MILLIMETER MET 'N TOLERANSIE VAN 0,25.

TENSY ANDERS VERMELD, IS ALLE OPPERVLAKTEKSTUURAFWERING

TEKENAAR: LUHAN

20/03/11

NASIENER: ARNO

29/03/11

GOEDGEKEUR: ANNA

03/04/11

30

20.

MATERIAAL: GEELKOPER HITTEBEHANDELING: NORMALISEER

SKAAL: 1:2

INGENIEURSGRAFIKA & ONTWERP

Konvensies vir die veer

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

A

90

QUESTION: ANALYTICAL (MECHANICAL)

A

Given: A detailed drawing showing FOUR views of a connector, a title block and a table of questions. The drawings have not been prepared to the indicated scale.

B

Instructions: Complete the table below by neatly answering the questions, which all refer to the accompanying drawings and the title block.

[33]

QUESTIONS M20

1

On what date was the drawing approved?

1

Ø65

Ø30

2

What is the file name of the drawing?

1

M30

VIEW 4

3

What was the nature of the first revision?

1

4

What material is the connector made of?

1

5

What is the radius of the unspecified curves?

1

6

How many surfaces require machining?

1

7

What method must be used to produce the machined surfaces?

1

8

What does N4 on the machining symbol represent?

1

9

Name the curve at 1.

1

10

What is the diameter of the circle at 2?

1

11

Name the slot at 3.

1

12

Name the curve at 4.

1

13

What is the tolerance on the unspecified dimensions?

1

14

What is the distance between the centres of the two holes at 5?

1

15

How many threaded holes are there on the connector?

1

16

What is the total height of the connector?

1

17

What would VIEW 4 be called?

1

18

What type of sectional view would result from cutting plane S-S?

1

19

Determine the complete dimensions at: A

20

What is the upper tolerance of the dimensions at 6?

2

21

What is the upper and lower tolerance of the dimensions at 7?

4

22

In the box below (ANSWER 22), draw, in neat freehand, the symbol for the projection system used.

4

TOTAL

33

S

D

R20

70

6

R25

121

30

5

1

31

41

C

217

51

R38

E

2 3 4

Ø10 Ø65 Ø90

S

100

+0,5 13 -0,15

VIEW 1

VIEW 2

VIEW 3

2015-06-06

MARISKA

ADD MACHINING SYMBOLS

2

2015-06-04

MARISKA

INCREASE TOLERANCE

1

UNLESS OTHERWISE SPECIFIED, TOLERANCES ON DIMENSIONS ARE ± 0,3

DATE

REVISED BY

REVISION DESCRIPTION

No

DRAWN BY: ANDRE

DATE: 2015-05-15

CHECKED BY: JOHAN

DATE: 2015-05-18

ALL DIMENSIONS ARE IN MILLIMETRES. ALL UNSPECIFIED RADII ARE 2,5mm

APPROVED: FOURIE

DATE: 2015-05-19

ANSWER 22

MATERIAL: CAST IRON

DRAWING No. HJJK- AJF 07

HEAT TREATMENT: NONE

FILE NAME: AH07.dwg

SCALE: 1: 2

QUANTITY: 107

Naude Street Durban www.jpegd.co.za 012 987 7864 TITLE

NAME: GRADE 11:

B

C

D

E

5

MILLING N4

=

ENGINEERING GRAPHICS & DESIGN

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

2 HOLES Ø25 ±0,25

7

ANSWERS

90

VRAAG: ANALITIES (MEGANIES)

B

A

Gegee: 'n Gedetailleerde tekening wat VIER aansigte van 'n verbinder toon, 'n titelblok en 'n tabel met vrae. Die tekene is nie volgens die aangetoonde skaal voorberei nie.

Instruksies: Voltooi die tabel hieronder deur die vrae, wat almal na die bygaande tekeninge en titelblok verwys, netjies te beantwoord.

VRAE 1

Op watter datum is die tekening goedgekeur?

1

Ø65

Ø30

2

Wat is die leêrnaam van die tekening?

1

M30

AANSIG 4

3

Wat was die aard van die eerste hersiening?

1

4

Van watter materiaal is die verbinder vervaardig?

1

5

Wat is die radius van die ongespesifiseerde boë?

1

6

Hoeveel oppervlakke moet gemasjineer word?

1

7

Watter metode moet gebruik word om die gemasjineerde oppervlakke te produseer?

1

8

Wat word deur N4 op die masjineersimbool voorgstel?

1

9

Benoem die kurwe by 1.

1

10

Wat is die diameter van die sirkel by 2?

1

11

Benoem die gleuf by 3.

1

12

Benoem die kurwe by 4.

1

13

Wat is die toleransie op die ongespesifiseerde afmetings?

1

3

14

Wat is die afstand tussen die middelpunte van die twee gate by 5?

1

4

15

Hoeveel gate met skroefdraad is daar op die verbinder?

1

16

Wat is die totale hoogte van die verbinder?

1

17

Wat sal aansig 4 genoem word?

1

18

Watter tipe deursnee-aansig sal uit snyvlak S-S verkry word?

1

19

Bepaal die volledige afmetings by:

20

Wat is die boonste toleransie vir die afmeting by 6?

2

21

Wat is die boonste en onderste toleransie vir die afmeting by 7?

4

22

In die blok hieronder (ANTWOORD 22), teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

4

S

D

R20

70 R25

121

30

5

1

31

C

217

51

R38

E

2

Ø10 Ø65 Ø90

S

100

+0,5

13 -0,15

AANSIG 1

AANSIG 2

AANSIG 3

2015-06-06

MARISKA

VOEG MASJINEERSIMBOLE IN

2

2015-06-04

MARISKA

VERHOOG TOLERANSIE

1

DATUM

HERSIEN DEUR

BESKRYWING VAN HERSIENING

Nr.

Naudestraat Durban www.jpegd.co.za 012 987 7864 TITEL

NAAM: GRAAD 11:

TENSY ANDERS VERMELD, IS ALLE TOLERANSIES OP AFMETINGS ± 0,3

FREES N4

A

B

C

D

E

5

33

TOTAAL

=

TEKENAAR: ANDRE

DATUM: 2015-05-15

NAGESIEN: JOHAN

DATUM: 2015-05-18

ALLE AFMETINGS IS IN MILLIMETER. ALLE ONGESPESIFISEERDE RADIUSSE IS 2,5mm

GOEDGEKEUR: FOURIE

DATUM: 2015-05-19

ANTWOORD 22

MATERIAAL: GIETYSTER

TEKENING Nr. HJJK- AJF 07

HITTEBEHANDELING: GEEN

LÊERNAAM: AH07.dwg

SKAAL: 1 : 2

HOEVEELHEID: 107

INGENIEURSGRAFIKA & ONTWERP

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

6

41

ANTWOORDE

M20

2 GATE Ø25 ±0,25

7

[33]

QUESTION: ANALYTICAL (MECHANICAL) 32 24

R20

Ø20 R12

Instructions: Complete the table below by answer the questions, which all refer to the accompanying drawings and the title block.

R12

A

QUESTION:

1

2

What material is used to manufacture the bell crank?

1

3

What is the drawing number?

1

F

4

How many revisions have been made to the drawing?

1

B

5

Where is the manufacturing company situated?

1

6

What is the tolerance allowed on the dimensions?

1

7

How many surfaces must be machined?

1

C

8

What is feature A called?

1

E

9

What is feature B called?

1

D

10

What is feature C called?

1

11

What is feature D called?

1

12

Name the type of line shown at E.

1

13

Identify the type of symbol shown at F.

1

14

Name the type of section on VIEW 1.

1

15

Determine the dimensions at: ( P)

16

What is the size of angle S?

1

17

What orthographic projection system has been used?

1

18

Draw the arrows for the cutting plane located on view 2 and label it A-A.

2

19

In the box below and in freehand, neatly draw the symbol for the projection system used.

4

20

In the box below and in freehand, neatly draw the SANS 0111 convention used for the feature at B.

3

180

On what date was the drawing first completed?

56

1

92

89

Ø96

S

OUTER Ø 48 INNER Ø 40 TEETH 6 WIDE

12

12

Q

24

ANSWERS:

28

R20

[28]

28

R8

P

Given: A table of questions and a working drawing.

21 0

40

20

12

70 25

R

20 60

36 60

VIEW 1

VIEW 2

15/10/08

KARIN

GROOVE ON HUB

A

DATE

CHANGED BY

DESCRIPTION OF REVISION

No

UNLESS OTHERWISE SPECIFIED ALL DIMENSIONS ARE IN MILLIMETRES WITH A TOLERANCE OF ±0,25.

DRAWN: COLEEN

DRAWING No: S8/ED/01

MATERIAL: CAST IRON

DATE: 20/02/08

FILE NAME: S-P2-A2

HEAT TREATMENT: NORMALISE

ALL UNSPECIFIED RADII ARE R3

DATE: 26/02/08

NAME: GRADE 11:

SCALE: N.T.S

28

TOTAL 19

20

FORESTRY DRIVE GOODWOOD 5240 www.capesteel.co.za

APPROVED: JAN DATE: 01/03/08

3

(R)

BELL CRANK ENGINEERING GRAPHICS & DESIGN

SYMBOL

ANALYTICAL (MECHANICAL) DATE:

Convention of feature B COPYRIGHT © JP KOPIEREG © JP

DRAWING PROGRAM: TurboCAD Pro v17.2

CHECKED: KARL

( Q)

VRAAG: ANALITIES (MEGANIES) 32 24

Ø20 R12

Instruksies: Voltooi die tabel hieronder deur die vrae, wat almal na die bygaande tekeninge en titelblok verwys, netjies te beantwoord.

R12

A

R8

VRAE:

1

2

Watter materiaal is gebruik om die klokkruk te vervaardig?

1

3

Wat is die tekeningnommer?

1

F

4

Hoeveel keer is die tekening verander?

1

B

5

Waar is die vervaardigingsmaatskappy geleë?

1

6

Wat is die toleransie wat op die maatskrywings toegelaat word?

1

7

Hoeveel oppervlaktes moet gemasjineer word?

1

C

8

Wat word kenmerk A genoem?

1

E

9

Wat word kenmerk B genoem?

1

D

10

Wat word kenmerk C genoem?

1

11

Wat word kenmerk D genoem?

1

12

Benoem die tipe lyn by E?

1

13

Identifiseer die tipe simbool by F?

1

14

Benoem die tipe snit op AANSIG 1.

1

15

Bepaal die afmetings by: (P)

16

Hoe groot is die hoek by S?

1

17

Watter ortografiese projeksiestelsel word gebruik?

1

18

Teken die pyle vir die snyvlak op AANSIG 2 en benoem dit A-A.

2

56

Op watter datum is die tekening die eerste keer voltooi?

180

1

92

89

Ø96

S

BUITE Ø 48 BINNE Ø 40 TANDWYDTE 6

12

12

Q

24

ANTWOORDE:

28

R20

[28]

28

P

Gegee: 'n Tabel met vrae en 'n werkstekening.

R20

21 0

40

20

12

70 25

R

20 60

36 60

AANSIG 1

AANSIG 2

19 20

ALLE ONGESPESIFISEERDE RADIUSSE IS R3

KARIN

GROEF OP NAAF

A

DATUM

VERANDER DEUR

BESKRYWING VAN VERANDERING

Nr

TEKENING Nr: S8/ED/01

MATERIAAL: GIETYSTER

LÊERNAAM: S-P2-A2

HITTEBEHANDELING: NORMALISEER

NAAM: GRAAD 11:

SKAAL: N.V.S

4 3 28

TOTAAL 19

20

www.capesteel.co.za

GOEDGEKEUR: JAN DATUM: 01/03/08

Teken in die blok hieronder 'n netjiese vryhandtekening van die simbool vir die projeksiestelsel wat gebruik word.

Teken in die blok hieronder 'n netjiese vryhandtekening van die SANS 0111-konvensie van die kenmerk by B.

FORESTRYLAAN GOODWOOD 5240

DATUM: 26/02/08

TEKENPROGRAM: TurboCAD PRO v17.2

3

(R)

KLOKKRUK INGENIEURSGRAFIKA & ONTWERP

SIMBOOL

ANALITIES (MEGANIES) DATUM:

Konvensie van kenmerk B COPYRIGHT © JP KOPIEREG © JP

TENSY ANDERS VERMELD, TEKENAAR: COLEEN IS ALLE AFMETINGS IN DATUM: 20/02/08 MILLIMETER MET 'N TOLERANSIE VAN ±0,25.

NAGESIEN: KARL

15/10/08

(Q)

A B C D E F G

D

C

SHAFT / AS KEY / SPY WASHER / WASTER NUT / MOER RIB / WEB KEYWAY / SPYGLEUF PIN / PEN

F B A

G

Components not hatched, when cut longitudinally: * Rib / Web * Gear teeth * Spokes

Komponente nie gearseer, wanneer hulle oorlangs gesny word nie: * Rib / Web * Rattande * Speke

A

SECTION VIEW SNITAANSIG

* Rivet * Key * Pin * Bearing

Components that are not cut: * Shaft * Nut * Bolt * Washer * Screw

* Klinknael * Spy * Pen * Laer

Komponente wat nie gesny word: * As * Moer * Bout * Waster * Skroef

A B

C D

F

E

AF (ACROSS FLATS) OK (OORKANTS)

D

1.5 x D

HEAD HEIGHT: 0,7 x D = BOLT 0,8 x D = NUT

BOLT / BOUT

WASHER / WASTER

NUT / MOER

THREAD LENGTH SKROEFDRAADLENGTE

(2 x D)

1.5 x D

(30˚)

(60˚)

(60˚)

*R1

SHOWS THREE FACES OF THE BOLT HEAD

*R1

*R2

0,7 x D

(60˚) 0,1 x D

(45˚)

0,2 x D

(30˚)

*R3 *R3

KOPHOOGTE: 0,7 x D = BOUT 0,8 x D = MOER

0,5 x D

SESKANTIGE MOER BEIDE KANTE AFGESKUINS

1.5 x D

(60˚)

SHOWS TWO FACES OF THE BOLT HEAD

(60˚) TOON TWEE VLAKKE VAN DIE BOUTKOP

ALTERNATIVE / ALTERNATIEF

* USE R1, R2 & R3 TO DRAW THE ARCS ON THE HEADS! * GEBRUIK R1, R2 & R3 OM DIE BOË OP DIE KOPPE TE TEKEN!

LOCKNUT / SLUITMOER

HEXAGONAL NUT CHAMFER BOTH SIDES

AF (ACROSS FLATS) OK (OORKANTS)

TOON DRIE VLAKKE VAN DIE BOUTKOP

2xD

0,8 x D

AF OK

ENGINEERING GRAPHICS & DESIGN / INGENIEURSGRAFIKA & ONTWERP HEXAGONAL BOLT, NUT, LOCKNUT & WASHER / SESKANTIGE BOUT, MOER, SLUITMOER & WASTER

COPYRIGHT © JP KOPIEREG © JP

BOLT LENGTH / BOUTLENGTE

Ø24

Ø42

Ø44

M24

QUESTION: MECHANICAL ASSEMBLY

8 Ø158

Given: * The exploded isometric drawing of the parts of a pulley assembly, showing the position of each part relative to all the others * Orthographic views of each of the parts of the pulley assembly

Ø143

Ø24

15

Ø32

WASHER (2)

37

M24 NUT (1)

33

3

Instructions: * Answer this question on page 7 * Draw, to scale 2 : 1 and in third-angle orthographic projection, the following view of the assembled parts of the pulley assembly: A sectional front view on cutting plane A-A, as seen from the direction of the arrow shown on the exploded isometric drawing. The cutting plane, which passes through the vertical centre line of the assembly, is shown on the top view of the pulley (part 3). * ALL drawings must comply with the quidelines contained in the SANS 10111.

BUSH (4)

A

A

1

Ø122

2

6

NOTE: * Show THREE faces of the M24 nut and ALL necessary construction. * NO hidden detail is required.

45

3

15

24

M24

33 Ø32 Ø54

Ø9

30° CHAM

82

25

13

Use marking rubric p 47 of the CAPS for multi-view mechanical working drawings.

96

Ø32 Ø54

SHAFT (7)

Ø32

20

M9

PARTS LIST

5 75

30° CHAM

19

M9

7

12 9

6

Ø24 8

SLOT 2 x 2

GRUB SCREW (6)

M8

M8

ALL DIMENSIONS ARE IN MILLIMETRES

EXPLODED ISOMETRIC DRAWING

GRADE 11:

ENGINEERING GRAPHICS & DESIGN

QUANTITY MATERIAL MILD STEEL 1 MILD STEEL 1 1 CAST IRON 1 BRONZE CAST IRON 1 1 MILD STEEL MILD STEEL 1 8 ANDROMEDA STREET GEZINA DURBAN 0084 073 675 3111

PULLEY ASSEMBLY

BRACKET (5)

NAME:

1 2 3 4 5 6 7

PART M24 NUT WASHER PULLEY BUSH BRACKET GRUB SCREW SHAFT

MECHANICAL ASSEMBLY DATE:

ALL UNSPECIFIED RADII ARE R3 COPYRIGHT © JP KOPIEREG © JP

4

15

4

PULLEY (3)

Ø24

Ø42

Ø44

M24

VRAAG: MEGANIESE SAMESTELLING

8 Ø158

Gegee: * Die uitskuif- isometriese tekening van die onderdele van 'n katrolsamestelling, wat die posisie van elke onderdeel relatief tot al die ander toon * Ortografiese aansigte van elke onderdeel van die katrolsamestelling

Ø143

Ø24

15

Ø32

WASTER (2)

37

M24-MOER (1)

33

3

Instruksies: * Beantwoord hierdie vraag op bladsy 7 * Teken, volgens skaal 2 : 1 en in derdehoekse ortografiese projeksie, die volgende aansig van die saamgestelde onderdele van die katrolsamestelling: 'n Deursnee-vooraansig volgens snyvlak A-A, soos gesien vanuit die rigting van die pyl wat in die uitskuifisometriese tekening getoon word. Die snyvlak, wat deur die vertikale senterlyn van die samestelling gaan, word op die bo-aansig van die katrol (onderdeel 3) getoon. * ALLE tekene moet voldoen aan die riglyne vervat in die SANS 10111.

BUS (4)

A

A

1

Ø122

2

6

LET WEL: * Toon DRIE vlakke van die M24-moer en ALLE nodige konstruksies. * Geen verborge besonderhede word verlang nie.

45

3

15

24

M24

33

25

13

Ø54 Ø9

30° AK

82

Ø32

Gebruik merkrubriek bl 45 van die KABV vir multi-aansig meganiese werkstekeninge.

96

Ø32 Ø54

AS (7)

Ø32

20

M9

LYS VAN ONDERDELE

5 75

30° AK

19

M9

7

12 9

6

Ø24 8

GLEUF 2 x 2

SKROEFTAP (6)

M8

M8

ALLE AFMETINGS IS IN MILLIMETER

UITSKUIF-ISOMETRIESE TEKENING

GRAAD 11:

INGENIEURSGRAFIKA & ONTWERP

HOEVEELHEID MATERIAAL SAGTE STAAL 1 SAGTE STAAL 1 1 GIETYSTER 1 BRONS GIETYSTER 1 1 SAGTE STAAL SAGTE STAAL 1 ANDROMEDASTRAAT 8 GEZINA DURBAN 0084 073 675 3111

KATROLSAMESTELLING

STEUNSTUK (5)

NAAM:

1 2 3 4 5 6 7

ONDERDEEL M24-MOER WASTER KATROL BUS STEUNSTUK SKROEFTAP AS

MEGANIESE SAMESTELLING DATUM:

ALLE ONGESPESIFISEERDE RADIUSSE IS R3.

COPYRIGHT © JP KOPIEREG © JP

4

15

4

KATROL (3)

NAME: GRADE 11:

ENGINEERING GRAPHICS & DESIGN

MECHANICAL ASSEMBLY DATE:

COPYRIGHT © JP KOPIEREG © JP

Use marking rubric p 47 of the CAPS for multi-view mechanical working drawings.

NAAM: GRAAD 11:

INGENIEURSGRAFIKA & ONTWERP

MEGANIESE SAMESTELLING DATUM:

COPYRIGHT © JP KOPIEREG © JP

Gebruik merkrubriek bl 45 van die KABV vir multi-aansig meganiese werkstekeninge.

10

10

QUESTION: MECHANICAL ASSEMBLY

A

60 44

Given: * The exploded isometric drawing of the parts of a skateboard wheel assembly, showing the position of each part relative to all the others * Orthographic views of each of the parts of the skateboard wheel assembly

Ø10

28

35

40

Ø20

Ø40

10

Ø70

100 84

8

Instructions: * Answer this question on page 9 * Draw, to scale 1 : 1 and in third-angle orthographic projection, the following views of the assembled parts of the skateboard wheel assembly: A sectional front view on cutting plane A-A, as seen from the direction of the arrow shown on the exploded isometric drawing. The cutting plane, which passes through the vertical centre line of the assembly, is shown on the right view of the wheel (part 4). * ALL drawings must comply with the quidelines contained in the SANS 10111.

Ø64 3

M20

29

A

BASE (6)

30

35

WHEEL (4) 60 30

M20

M20

22

30

15

Ø6

10 15

Ø20

Ø26

Ø40

Ø34

NOTE: * Show TWO faces of the M20 nut on the left. * Show THREE faces of the M20 nut on the right. * The ball bearing on the left must be drawn in detail. * The ball bearing on the right must be drawn according to the SANS 10111 convention. * NO hidden detail is required.

M20

Ø30

30 PCD 35

22

10

30

BALL BEARING (3)

40

30

35

22

SHAFT (5)

Use marking rubric p 47 of the CAPS for multi-view mechanical working drawings.

2 Ø40

PARTS LIST 6 2

3

Ø20

4

3

3

4 3 5 FR ON T

WASHER (2)

2

1

16 M20

SKATEBOARD WHEEL ASSEMBLY

VI EW

EXPLODED ISOMETRIC DRAWING

NAME: GRADE 11:

QUANTITY MATERIAL MILD STEEL 2 MILD STEEL 2 4 CAST IRON 2 BRONZE CAST IRON 1 1 MILD STEEL 8 ANDROMEDA STREET GEZINA DURBAN 0084 073 675 3111

M20 NUT (1)

ENGINEERING GRAPHICS & DESIGN

ALL DIMENSIONS ARE IN MILLIMETRES

MECHANICAL ASSEMBLY DATE:

ALL UNSPECIFIED RADII ARE R3 COPYRIGHT © JP KOPIEREG © JP

1

1 2 3 4 5 6

PART M20 NUT WASHER BALL BEARING WHEEL SHAFT BASE

10

10

VRAAG: MEGANIESE SAMESTELLING

A

60 44

Gegee: * Die uitskuif- isometriese tekening van die onderdele van 'n skaatsplankwielsamestelling, wat die posisie van elke onderdeel relatief tot al die ander toon * Ortografiese aansigte van elke onderdeel van die skaatsplankwielsamestelling

Ø10

28

35

40

Ø20

Ø40

10

Ø70

100 84

8

Instruksies: * Beantwoord hierdie vraag op bladsy 9 * Teken, volgens skaal 1 : 1 en in derdehoekse ortografiese projeksie, die volgende aansigte van die saamgestelde onderdele van die skaatsplankwielsamestelling: 'n Deursnee-vooraansig volgens snyvlak A-A, soos gesien vanuit die rigting van die pyl wat in die uitskuifisometriese tekening getoon word. Die snyvlak, wat deur die vertikale senterlyn van die samestelling gaan, word op die regteraansig van die wiel (onderdeel 4) getoon. * ALLE tekene moet voldoen aan die riglyne vervat in die SANS 10111.

Ø64 3

M20

29

A

BASIS (6)

30

35

WIEL (4) 60 30

M20

M20

22

30

10 15

Ø20

Ø26

Ø40

Ø34

LET WEL: * Toon TWEE vlakke van die M20-moer aan die linkerkant. * Toon DRIE vlakke van die M20-moer aan die regterkant. * Teken die koeëllaer aan die linkerkant gedetailleerd. * Teken die koeëllaer aan die regterkant volgens die SANS 10111 konvensie. * Geen verborge besonderhede word verlang nie.

15

Ø6

Ø30

30 SSD 35

22

10

30

KOEËLLAER (3)

40

30

35

M20

22

AS (5)

Gebruik merkrubriek bl 45 van die KABV vir multi-aansig meganiese werkstekeninge.

2 Ø40

LYS VAN ONDERDELE 6 2

3

Ø20

4

3

WASTER (2)

3

4 3 5

2

1

16 M20

VO OR AA NS IG

UITSKUIF-ISOMETRIESE TEKENING

NAAM: GRAAD 11:

HOEVEELHEID MATERIAAL SAGTE STAAL 2 SAGTE STAAL 2 4 GIETYSTER 2 BRONS GIETYSTER 1 1 SAGTE STAAL ANDROMEDASTRAAT 8 GEZINA DURBAN 0084 073 675 3111

SKAATSPLANKWIELSAMESTELLING M20-MOER (1)

INGENIEURSGRAFIKA & ONTWERP

ALLE AFMETINGS IS IN MILLIMETER

MEGANIESE SAMESTELLING DATUM:

ALLE ONGESPESIFISEERDE RADIUSSE IS R3.

COPYRIGHT © JP KOPIEREG © JP

1

1 2 3 4 5 6

ONDERDEEL M20-MOER WASTER KOEËLLAER WIEL AS BASIS

NAME: GRADE 11:

ENGINEERING GRAPHICS & DESIGN

MECHANICAL ASSEMBLY DATE:

COPYRIGHT © JP KOPIEREG © JP

Use marking rubric p 47 of the CAPS for multi-view mechanical working drawings.

NAAM: GRAAD 11:

INGENIEURSGRAFIKA & ONTWERP

MEGANIESE SAMESTELLING DATUM:

COPYRIGHT © JP KOPIEREG © JP

Gebruik merkrubriek bl 45 van die KABV vir multi-aansig meganiese werkstekeninge.