Gr 12 IGOEGD WERKBOEKWORKBOOK

Í2,È-B-EGD-WB01FÎ

2

0

1

2

-

B

-

E

G

D

-

W

B

0

1

IGO/EGD WERKBOEK/WORKBOOK

Graad/Grade 12

Ë2012-B-EGD-WB01´¹µ¸´»Î

Ingenieursgrafika en Ontwerp Werkboek Graad 12 KABV-aangepas

Engineering Graphics and Design Workbook Grade 12 CAPS aligned

COPYRIGHT © JP KOPIEREG © JP

de

CHAPTER / HOOFSTUK 10: LOCI (CAM) / LOKUSSE (NOK)

CHAPTER / HOOFSTUK 9: TRANSITION PIECES / OORGANGSTUKKE

CHAPTER / HOOFSTUK 8: INTERPENETRATION & DEVELOPMENT DEURDRINGING & ONTWIKKELING

CHAPTER / HOOFSTUK 7: SOLID GEOMETRY / VASTE LIGGAME

CHAPTER / HOOFSTUK 6: ISOMETRIC DRAWINGS / ISOMETRIESE TEKENINGE

CHAPTER / HOOFSTUK 5: PERSPECTIVE DRAWINGS / PERSPEKTIEF TEKENINGE

CHAPTER / HOOFSTUK 4: CIVIL DRAWINGS / SIVIELE TEKENINGE

CHAPTER / HOOFSTUK 3: CIVIL ANALYTICAL / SIVIEL ANALITIES

CHAPTER / HOOFSTUK 2: MECHANICAL ASSEMBLY / MEGANIESE SAMESTELLING

CHAPTER / HOOFSTUK 1: MECHANICAL ANALYTICAL / MEGANIES ANALITIES

p 107-115

p 95-106

p 83-94

p 74-82

p 64-73

p 54-63

p 44-53

p 31-43

p 24-30

p 8-23

p 1-7

th

CHAPTER / HOOFSTUK 11: LOCI (HELIX) / LOKUSSE (HELIKS)

p 116-126

INDEX / INHOUDSOPGAWE

CHAPTER / HOOFSTUK 12: LOCI (MECHANISMS) / LOKUSSE (MEGANISMES)

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

Ø80

Ø16

7

QUESTION: ANALYTICAL (MECHANICAL)

8

8

H 6

5

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

16

14

Ø10

Given: A front and the left view of a brass tap assembly in third-angle orthographic projection, an isometric drawing of the brass tap, a parts list, a title block and a table of questions.

[29]

G 38

QUESTIONS 3

1

On what date was the drawing prepared?

1

2

In which city is the manufacturing company situated?

1

3

From what material is the seal (part 3) made?

1

4

Who revised the drawing?

1

5

What is the file name of the drawing?

1

6

What does the abbreviation NTS stand for?

1

7

What would VIEW 1 be called?

1

8

Name the feature at H.

1

9

What is indicated by feature G?

1

10

What is the total height of the brass tap?

1

11

How many parts make up the brass tap?

1

12

Determine the complete dimensions at: D.

8

4

ANSWERS

Ø24

F

30

M40

74

16

14

E 2 92

1 VIEW 2

VIEW 1

E.

F

13

A

B

C

PARTS LIST PART

QUANTITY

MATERIAL

1

TAP BODY

1

BRASS

With reference to the welding symbol, name the following elements.

B

1

C

1

15

How many surfaces must be machined?

1

16

Add, in neat freehand, suitable hatching to the shaft guide (part 4) on view 1.

3

17

Insert the cutting plane on VIEW 2 and label it S-S.

3

18

In the box below (answer 18), neatly draw, in freehand, the symbol for the projection system used.

4

TOTAL

29

GRINDING

1

2

WEDGE

1

BRASS

DATE

REVISED BY

REVISION DESCRIPTION

Nr.

3

SEAL

1

RUBBER

X

HEAT TREATMENT: NONE

4

SHAFT GUIDE

1

BRASS

DRAWING No. HJJ-AF-13

FILE NAME: AH03.dwg

5

GUIDE NUT

1

BRASS

APPROVED BY: KIKI

DATE: 2015-03-12

6

SHAFT

1

STAINLESS STEEL

CHECKED BY: H KRUGER

DATE: 2015-03-10

7

HAND WHEEL

1

STEEL

DRAWN BY: A FOURIE

DATE: 2015-03-07

8

PIN

1

STEEL

SCALE: NTS

QUANTITY: 48

GRADE 12:

1

1

WELDING DETAIL

NAME:

A

What is the purpose of the pin (part 8)?

AFROX

TITLE

3

14

2015-03-15

7 Angus Street Pretoria www.jpegd.co.za 012 345 6789

F.

0,05

DRAWING PROGRAM: TURBOCAD

ENGINEERING GRAPHICS & DESIGN

ANSWER 18

ANALYTICAL (MECHANICAL) DATE:

SYMBOL COPYRIGHT © JP KOPIEREG © JP

D

Ø80

Ø16

7

VRAAG: ANALITIES (MEGANIES)

8

8

H 6

5

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

[29]

16

14

Ø10

Gegee: 'n Vooraansig en die linkeraansig van 'n koperkraansamestelling in derdehoekse ortografiese projeksie, 'n isometriese tekening van die koperkraan, 'n lys van onderdele, 'n titelblok en 'n tabel met vrae.

G 38

VRAE 3

1

Op watter datum is die tekening voorberei?

1

2

In watter stad is die vervaardigingsmaatskappy geleë?

1

3

Van watter materiaal is die seël (onderdeel 3) vervaardig?

1

4

Wie het die tekening hersien?

1

5

Wat is die lêernaam van die tekening?

1

6

Waarvoor staan die afkorting NVS?

1

7

Wat sal AANSIG 1 genoem word?

1

8

Benoem die kenmerk by H.

1

9

Wat word deur kenmerk G voorgestel?

1

10

Wat is die totale hoogte van die koperkraan?

1

11

Uit hoeveel onderdele bestaan die koperkraan?

1

12

Bepaal die volledige afmetings by:

8

4

ANTWOORDE

Ø24

F

30

M40

74

16

14

E 2 92

1 AANSIG 2

AANSIG 1

D.

E.

F

13

A

B

C

LYS VAN ONDERDELE ONDERDEEL

HOEVEELHEID

MATERIAAL

1

KRAANBASIS

1

GEELKOPER

Met verwysing na die sweissimbool, benoem die volgende elemente.

B

1

C

1

15

Hoeveel oppervlakke moet gemasjineer word?

1

16

Voeg, in netjiese vryhand, geskikte arsering by die as-gids (onderdeel 4) op aansig 1.

3

17

Voeg die snyvlak in op AANSIG 2 en benoem dit S-S.

3

18

In die blok hieronder (antwoord 18), teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

4 29

TOTAAL

1

2

WIG

1

GEELKOPER

DATUM

HERSIEN DEUR

BESKRYWING VAN HERSIENING

Nr.

3

SEËL

1

RUBBER

X

HITTEBEHANDELING: GEEN

4

ASGIDS

1

GEELKOPER

TEKENING Nr. HJJ-AF-13

LÊERNAAM: AH03.dwg

5

GIDSMOER

1

GEELKOPER

GOEDGEKEUR DEUR: KIKI

DATUM: 2015-03-12

6

AS

1

VLEKVRYE STAAL

NAGESIEN DEUR: H KRUGER

DATUM: 2015-03-10

7

HANDWIEL

1

STAAL

GETEKEN DEUR: A FOURIE

DATUM: 2015-03-07

8

PEN

1

STAAL

SKAAL: N.V.S

HOEVEELHEID: 48

GRAAD 12:

1

1

SWEISBESONDERHEDE

NAAM:

A

Wat is die doel van die pen (onderdeel 8)?

AFROX

TITEL

3

14

2015-03-15

Angusstraat 7 Pretoria www.jpegd.co.za 012 345 6789

F.

0,05

SLYP

TEKENPROGRAM: TURBOCAD

INGENIEURSGRAFIKA & ONTWERP

ANTWOORD 18

ANALITIES (MEGANIES) DATUM:

SIMBOOL COPYRIGHT © JP KOPIEREG © JP

D

Ø32 Ø88

Given: A detailed drawing showing THREE views of a carburettor body, a title block and a table of questions. The drawing has not been prepared to the indicated scale.

48

6 x M8 EQUI-SPACED HOLES ON 64 PCD

QUESTION: ANALYTICAL (MECHANICAL)

X

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

Ø76

Y 24

32 6

[30]

ANSWERS

QUESTIONS How many carburettor bodies must be produced?

1

2

From what material is the carburettor body manufactured?

1

3

What is the file name of the drawing?

1

4

On what date was the drawing checked?

1

5

In which province is the engineering company situated?

1

6

Name the line at 1.

1

7

Name the encircled feature at 2?

1

8

What is the width of the feature at 3?

1

9

Name the feature at 4.

1

10

What is the radius of the feature at 5?

1

11

What would the dimension at 6 be if a drawing scale of 1 : 1 was used?

1

12

What is the angle between the centre lines marked X and Y in VIEW 1?

1

13

What type of section is shown in VIEW 3?

1

14

How many threaded holes are there on the carburettor body?

1

15

What does the abbreviation PCD stand for?

1

16

How many surfaces need to be machined?

1

17

What direction of lay is indicated by the machining symbol?

2

Ø20

18

Insert the cutting plane for VIEW 3. Label the cutting plane A-A.

3

Ø70

19

Determine the dimensions at: A

20

In the space provided in the title block (ANSWER 20), draw, in neat feehand, the symbol for the projection system used.

38

1

6 x M8 EQUI-SPACED HOLES ON 78 PCD

A

VIEW 1

Ø46

B 10

D

Ø38

44

38

Ø50

Ø32

116

8

76

5

6

24

3

E

Ø20

70

64

M14

38

M22

1 10

4 3

M14

M14 Ø32

C 2

VIEW 2 DRAWING No: PAHMF2103 REMOVE ALL BURRS AND SHARP EDGES

VIEW 3

FILE NAME: PMF 21-03-2015 MACHINED 0,05 C

ZAMBEZI 1051 BIG FALLS GAUTENG 1735 011 355 6446 TITLE

NAME: GRADE 12:

ALL UNSPECIFIED RADII ARE 2,5mm

B

C

TOTAL

D

E

5 4 30

ALL DIMENSIONS ARE IN MILLIMETRES PROGRAMME: TurboCAD Pro v21.2 TREATMENT: NORMALISED

REVISIONS

DATE

MATERIAL: ALUMINIUM

DRAWN: EUNICE

2015-09-10

QUANTITY: 1200

CHECKED: MARISKA

2015-10-12

SCALE 1 : 5

APPROVED: PIET

2015-10-22

ENGINEERING GRAPHICS & DESIGN

ANSWER 20

SYMBOL

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

70

Ø32

6 x M8-GATE EWEREDIG GESPASIEER OP 64 SSD

VRAAG: ANALITIES (MEGANIES)

Ø88

48

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

X

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

Ø76

Y 24

32 6

[30]

ANTWOORDE

38

VRAE

6 x M8-GATE EWEREDIG GESPASIEER OP 78 SSD

A

AANSIG 1

Ø46

B 10

D

Ø38

44

38

Ø50

Ø32

6

24

3

E

Ø20

70

64

M14

38

M22

1 10

4 3

M14

M14

C 2

Ø70

AANSIG 2

VERWYDER ALLE BRAME EN SKERP KANTE

AANSIG 3

LÊERNAAM: PMF 21-03-2015 GEMASJINEER 0,05 C

ZAMBEZI 1051 BIG FALLS GAUTENG 1735 011 355 6446 TITEL

NAAM: GRAAD 12:

2

Van watter materiaal word die vergasserromp vervaardig?

1

3

Wat is die lêernaam van die tekening?

1

4

Op watter datum is die tekening nagesien?

1

5

In watter provinsie is die ingenieursfirma?

1

6

Benoem die lyn by 1.

1

7

Benoem die omkringde kenmerk by 2.

1

8

Wat is die wydte van die kenmerk by 3?

1

9

Benoem die kenmerk by 4.

1

10

Wat is die radius van die kenmerk by 5?

1

11

Wat sal die afmeting by 6 wees indien 'n tekenskaal van 1 : 1 gebruik word?

1

12

Hoe groot is die hoek tussen die senterlyne gemerk X en Y in AANSIG 1?

1

13

Watter tipe snit word in AANSIG 3 getoon?

1

14

Hoeveel gate met skroefdraad is daar op die vergasserromp?

1

15

Waarvoor staan die afkorting SSD?

1

16

Hoeveel oppervlakke moet gemasjineer word?

1

17

Watter rigting van afwerking word deur die masjineringsimbool aangedui?

2

18

Voorsien die snyvlak vir AANSIG 3. Benoem die snyvlak A-A.

3

19

Bepaal die volledige afmetings by: A

20

In die spasie voorsien in die titelblok (ANTWOORD 20), teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

Ø20

Ø32

TEKENING Nr: PAHMF2103

1

116

8

76

5

Hoeveel vergasserrompe moet vervaardig word?

ALLE ONGESPESIFISEERDE RADIUSSE IS 2,5mm

B

TOTAAL

ALLE AFMETINGS IS IN MILLIMETER

C

D

E

5 4 30

TEKENPROGRAM: TurboCAD Pro v21.2 BEHANDELING: NORMALISEER

REVISIONS

DATE

MATERIAAL: ALUMINIUM

GETEKEN: EUNICE

2015-09-10

HOEVEELHEID: 1200

NAGESIEN: MARISKA

2015-10-12

SKAAL 1 : 5

GOEDGEKEUR: PIET

2015-10-22

INGENIEURSGRAFIKA & ONTWERP

ANTWOORD 20

SIMBOOL

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

70

1

14

QUESTION: ANALYTICAL (MECHANICAL)

J

Given: Three views and two detailed enlargements of a tapping valve assembly, a title block and a table of questions.

The drawings have not been prepared to the indicated scale.

E

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

10.5

3

F

C

1

What is the title of the assembly?

1

2

On what date was the drawing drawn?

1

3

What is the drawing number?

1

4

What scale is indicated for the drawing?

1

5

Which drawing program was used?

1

6

Who approved the drawing?

1

7

What material is used to manufacture the main base?

1

8

What would VIEW 2 be called?

1

9

How many socket head bolts are there in the assembly?

1

10

Give the complete dimensions at: A

11

Name the feature at F.

1

12

Name the type of section at D.

1

13

Why is the component at E filled in solid?

1

14

What is the outer diameter of the shaft at J?

1

15

What is the purpose of the two enlarged detailed views?

2

16

What is indicated by the convention at G?

1

17

With reference to the tolerance, determine the maximum dimension at H?

2

18

With reference to the tolerance, determine the minimum dimension at H?

2

5 26

19

Insert the cutting plane on VIEW 3 and label it A-A.

3

VIEW 3

20

In the space provided below, draw, in neat feehand, the symbol for the projection system used.

4

TOTAL

30

10.5

Ø5

DETAIL S Ø4

D

DETAIL T

VIEW 1

A

B

M5 8

S 7

M4 SOCKET HEAD BOLT 2

T

Ø4

8

0.5 3

22

2

ANSWERS

QUESTIONS

7

[30]

3

C

4

7

Ø3

B

G

Ø2 5

R7

Ø6 +0.35 -0.53

H

VIEW 2

PARTS LIST PART

FILE NAME: RCO/VK 0002dwg

QUANTITY

MATERIAL

DRAWING No. 2017 - A - 007

1

VALVE ASSEMBLY

1

REF: DETAILED DRAWING

ALL DIMENSIONS ARE IN MILLIMETRES

APPROVED:

RIAAN

2017-01-21

2

SOCKET HEAD BOLT

3

TOOL STEEL

DRAWING PROGRAM: TURBOCAD 2017

CHECKED:

JOHAN

2017-01-17

3

SQUARE BOLT WITH PUNCH

1

TOOL STEEL

MATERIALS: STEEL, PEWTER AND RUBBER

DRAWN:

PIETER

2017-01-07

4

MAIN BASE

1

PEWTER

5

CAP

1

PEWTER

6

O-RING

1

RUBBER

7

O-SEAL

1

RUBBER

NAME: GRADE 12:

680 De Beer Street Wonderboom 0031 Gauteng TITLE

TAP VALVE TO BE USED FOR 134a, R11, R22 AND 501 REFRIGERANTS IN COPPER PIPE ONLY

ANSWER 20

SCALE 2 : 1

ENGINEERING GRAPHICS & DESIGN

ANALYTICAL (MECHANICAL) DATE:

SIMBOL COPYRIGHT © JP KOPIEREG © JP

2

14

VRAAG: ANALITIES (MEGANIES)

J

Gegee: Drie aansigte en twee gedetailleerde vergrotings van 'n aftapklep-samestelling, 'n titelblok en 'n tabel met vrae.

Die tekening in nie volgens die aangetoonde skaal voorberei nie.

E

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

10.5

3

F

C

1

Wat is die titel van die samestelling?

1

2

Op watter datum is die tekening geteken?

1

3

Wat is die tekeningnommer?

1

4

Watter skaal word vir die tekening aangetoon?

1

5

Watter tekenprogram is gebruik?

1

6

Wie het die tekening goedgekeur?

1

7

Watter materiaal is gebruik om die hoofbasis te vervaardig?

1

8

Wat sal AANSIG 2 genoem word?

1

9

Hoeveel sokkopboute is daar in die samestelling?

1

10

Gee die volledige afmetings by: A

11

Benoem die kenmerk by F.

1

12

Benoem die tipe snit by D.

1

13

Waarom is die komponent by E ten volle gevul?

1

14

Wat is die buite diameter van die as by J?

1

15

Wat is die doel van die twee gedetailleerde vergrotings?

2

16

Wat word deur die konvensie by G aangedui?

1

17

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

2

18

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

2

5 26

19

Voeg die snyvlak op AANSIG 3 in en benoem dit A-A.

3

AANSIG 3

20

In die spasie voorsien hieronder, teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

4

TOTAAL

30

10.5

Ø5

DETAIL S Ø4

D

DETAIL T

AANSIG 1

A

B

M5 8

7

S

M4 SOKKOPBOUT 2

Ø4

T

8

0.5 3

22

2

ANTWOORDE

VRAE

7

[30]

3

C

G

Ø2

2 5

R7

+0.35

Ø6 -0.53

H

AANSIG 2

LYS VAN ONDERDELE ONDERDEEL

LÊERNAAM: RCO/VK 0002dwg

HOEVEELHEID

MATERIAAL

TEKENING Nr. 2017 - A - 007

1

KLEPSAMESTELLING

1

VERW: GEDETAILLEERDE TEKENING

ALLE AFMETINGS IS IN MILLIMETER

GOEDGEKEUR:

RIAAN

2017-01-21

2

SOKKOPBOUT

3

GEREEDSKAPSTAAL

TEKENPROGRAM: TURBOCAD 2017

NASIENER:

JOHAN

2017-01-17

3

VIERKANTIGE BOUT MET PONS

1

GEREEDSKAPSTAAL

MATERIALE: STAAL, PIOUTER EN RUBBER

GETEKEN:

PIETER

2017-01-07

4

HOOFBASIS

1

PIOUTER

5

DOP

1

PIOUTER

6

O-RING

1

RUBBER

7

O-SEËL

1

RUBBER

NAAM: GRAAD 12:

De Beerstraat 680 Wonderboom 0031 Gauteng TITEL

AFTAPKLEP VIR AFTAPPING VAN 134a, R11, R22 EN 501 VERKOELINGSMIDDEL SLEGS IN KOPERPYP SKAAL 2 : 1

INGENIEURSGRAFIKA & ONTWERP

ANALITIES (MEGANIES) DATUM:

ANTWOORD 20

SIMBOOL COPYRIGHT © JP KOPIEREG © JP

4

7

Ø3

B

58

R2,2

Ø25 Ø9

1

6

DIE

Ø9

QUESTIONS

R16

D

R9

R15

22 12

22 R1 2

M5 BOLT 3

7

SPRING

7

63

F

21

7 Ø4

36

ARM

H

PIN

Ø12

+0,25 Ø4 -0,20

M5

Ø25

21

BUSH

7

Ø14

6 76

CIRCLIP

BASE PLATE 16-01-2017

ANEMIE

INSERT CIRCLIP

3

14-01-2017

BIANCA

INSERT GRUB SCREW

2

12-01-2017

DALEEN

CHANGE BUSH

1

DATE

CHANGED BY

REVISION DESCRIPTION

No.

Piet Hugo Street Vryburg www.jpegd.co.za 018 987 7864

GRADE 12:

2

In which town is the engineering company situated?

1

3

In which SI unit are the dimensions presented?

1

4

What type of heat treatment is required?

1

5

What is the file name?

1

6

What material is used to manufacture the punch?

1

7

On what date was the last revision made?

1

8

How many surfaces require machining?

1

9

What type of section is shown on the base plate?

1

10

Determine the dimensions at: A:

11

What is part E called?

1

12

What type of section is shown at F on the arm?

1

13

How many M5 bolts will be used to attach the arm to the base plate?

1

14

What is the thickness of the feature at G?

1

15

What is the purpose of the circlip in the assembly?

2

16

With reference to the tolerance, determine the minimum size of the hole at H.

2

17

With reference to the tolerance, determine the maximum size of the hole at H.

2

18

In the box below (ANSWER 18), draw, in neat freehand, the symbol for the projection system used.

4

19

In the box below (ANSWER 19), draw, in neat freehand, the convention of a spring.

3

TOTAL

30

1

18

NAME:

1

12

9

3

Ø9

TITLE

On what date was the drawing checked?

Ø9

A R6 18

1

B:

C:

D:

4

C

28,5

36

21

7

Ø19

A

G

Ø19

ANSWERS

SECTION A-A UNLESS OTHERWISE SPECIFIED, ALL DIMENSIONS ARE IN MILLIMETERS WITH A TOLERANCE OF 0,25 FOR SURFACE FINISHES DRAWN: PIETER

DATE: 01-01-2017

CHECKED: JOHAN

DATE: 07-01-2017

APPROVED: FOURIE

DATE: 02-02-2017

MATERIAL: CAST IRON

DRAWING No. AEADHIDH-07

HEAT TREATMENT: TEMPER

FILE NAME: PAH07.dwg

SCALE: 2 : 1

QUANTITY: 273

ENGINEERING GRAPHICS & DESIGN

ANSWER 18

ANALYTICAL (MECHANICAL) DATE:

ANSWER 19

COPYRIGHT © JP KOPIEREG © JP

27

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

[30]

Ø9

24

9 R

42

Ø13

E

4

Ø12

Ø12

9

5

36

21

7

PUNCH

B

PART

Ø19

R3

Ø24

Given: Drawings of the parts of a punch, a sectional view of the punch assembly, a title block and a table of questions. The drawings have not been prepared according to the indicated scale.

M4

4

R

QUESTION: ANALYTICAL (MECHANICAL)

4

A

58

R2,2

Ø25 Ø9 M4

PONS Ø12

6

PASSTUK Ø9

VRAE

R16

D

R9

22

VEER

3

M5-BOUT

7

12

22 R1 2

7

63

F

7 Ø4

36

ARM

H

PEN

Ø12

+0,25

Ø4 -0,20 M5

Ø25

R6 21

BUS

7

Ø14

6 76

BORGRING

BASISPLAAT 16-01-2017

ANEMIE

VOEG BORGRING BY

3

14-01-2017

BIANCA

VOEG KLEMSKROEF BY

2

12-01-2017

DALEEN

VERANDER BUS

1

DATUM

HERSIEN DEUR

BESKRYWING VAN HERSIENING

Nr.

Piet Hugo Straat Vryburg www.jpegd.co.za 018 987 7864

GRAAD 12:

2

In watter dorp is die ingenieursfirma geleë?

1

3

In watter SI-eenheid word die afmetings voorgestel?

1

4

Watter tipe hittebehandeling word verlang?

1

5

Wat is die lêernaam?

1

6

Watter materiaal word gebruik om die pons te vervaardig?

1

7

Op watter datum is die laaste hersiening gemaak?

1

8

Hoeveel oppervlakke moet gemasjineer word?

1

9

Watter tipe snit word op die basisplaat getoon?

1

10

Bepaal die afmetings by:

11

Wat word onderdeel E genoem?

1

12

Watter tipe snit word by F op die arm getoon?

1

13

Hoeveel M5-boute word gebruik om die arm aan die basisplaat te heg?

1

14

Wat is die dikte van die kenmerk by G?

1

15

Wat is die doel van die borgring in die samestelling?

2

16

Met verwysing na die toleransie, bepaal die minimum grootte van die gat by H.

2

17

Met verwysing na die toleransie, bepaal die maksimum grootte van die gat by H.

2

18

In die blok hieronder (ANTWOORD 18), teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

4

19

In die blok hieronder (ANTWOORD 19), teken, in netjiese vryhand, die konvensie vir 'n veer.

3

1

18

NAAM:

1

12

9

3

Ø9

TITEL

Op watter datum is die tekening nagesien?

Ø9

A

18

1

A:

B:

C:

D:

4

C

28,5

36

21

7

Ø19

A

G

Ø19

ANTWOORDE

SNIT A-A

30

TOTAAL

TENSY ANDERS VERMELD, IS ALLE AFMETINGS IN MILLIMETER MET 'N TOLERANSIES VAN 0,25 VIR OPPERVLAKAFWERKING GETEKEN: PIETER

DATUM: 01-01-2017

NAGESIEN: JOHAN

DATUM: 07-01-2017

GOEDGEKEUR: FOURIE

DATUM: 02-02-2017

MATERIAAL: GIETYSTER

TEKENING Nr. AEADHIDH-07

HITTEBEHANDELING: TEMPERING

LÊERNAAM: PAH07.dwg

SKAAL: 2 : 1

HOEVEELHEID: 273

INGENIEURSGRAFIKA & ONTWERP

ANTWOORD 18

ANALITIES (MEGANIES) DATUM:

ANTWOORD 19

COPYRIGHT © JP KOPIEREG © JP

27

[30]

R15

21

Gegee: Tekeninge van die onderdele van 'n pons, 'n snitaansig van die ponssamestelling, '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.

Ø9

24

9 R

42

Ø13

E

4

B

Ø12

9

R3

Ø24

ONDERDEEL

Ø19

5

36

7

21

1

4

R

VRAAG: ANALITIES (MEGANIES)

4

A

12

QUESTION: ANALYTICAL (MECHANICAL)

40

4

25

Ø34

F

12

105

48 7

50

Ø30

M12 NUT

Ø30

60°

Ø16

PART G

Ø16

10°

130

44

Ø22

40 Ø5

R35

15

E

R17

12

M12

66

Ø32

D BRACKET

10

26

22

133

15

Ø16

4

50

12

H

Ø10 17

42

3

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

[30]

QUESTIONS R10

J

Given: A drawing showing orthographic views of the parts of a bearing bracket assembly, a title block and a table of questions. The drawings has not been prepared to the indicated scale.

Ø22

C

R17

M10

15

49

32

150

10

SHAFT

BEARING CAP 32

Ø46

B

T S Ø34

S

Ø10

A

Ø30

Ø100

Ø16

Ø88

ANSWER 9

Ø22

42

T

PULLEY

BEARING HALVES

1

On what date was the drawing drawn?

1

2

Who approved the drawing?

1

3

What is the drawing number?

1

4

Who was responsible for the revision?

1

5

If the drawing was drawn to scale 1 : 1, what would the dimensions at A read?

1

6

What heat treatment is required?

1

7

What type of machining is required?

1

8

What is the tolerance allowed on dimensions?

1

9

Complete, in neat freehand, the sectional top view of the BEARING HALVES on cutting plane S-S.

3

10

Name the encircled feature at B.

1

11

What type of section is shown on the PULLEY?

1

12

Determine the complete dimensions at: C

13

Determine the dimensions at F. Show ALL calculations.

2

14

Give the correct name of PART G.

1

15

What is indicated by the encircled convention at H?

1

16

What is indicated by the encircled convention at J?

1

17

How many surfaces on the BRACKET require machining?

1

18

What is the purpose of the two shoulders on the BEARING HALVES?

2

19

Name a part that can be added to the assembly to ensure that the momentum is effectively carried over from the PULLEY to the SHAFT?

2

20

In the space below, draw, in neat freehand, the symbol for the projection system used.

4

TOTAL

30

07/15

M. FOURIE

INSERT OIL HOLE

1

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

ALL UNSPECIFIED RADII ARE 6mm.

DATE

REVISED BY

DESCRIPTION OF REVISION

No.

MATERIAL: CAST IRON

FILE NAME: TD-SA AXLE.dwg

HEAT TREATMENT: NORMALISE

DRAWING No: MVZYL 2103 X

APPROVED BY: HENDRIK

DATUM: 2015-10-04

CHECKED BY: ANDRIES

DATUM: 2015-09-15

DRAWN BY: PIETER

DATUM: 2015-09-04

SCALE 1 : 2

DRAWING PROGRAMME: TurboCAD

Struben Street Pretoria www.jpegd.co.za 012 987 6543 TITLE

NAME: GRADE 12:

0,05

ANSWERS

LAPPING

D

E

3

M

ANSWER 20

ENGINEERING GRAPHICS & DESIGN

SYMBOL

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

33

12

VRAAG: ANALITIES (MEGANIES)

40

4

25

Ø34

F

12

48 7

50

105

Ø30

M12-MOER

Ø30

60°

Ø16

Gegee: 'n Tekening wat die ortografiese aansigte van die onderdele van 'n laersteunstuk-samestelling toon,'n titelblok en 'n tabel met vrae. Die tekening is nie volgens die aangetoonde skaal voorberei nie.

Ø22

C

R17

M10

15

49

ONDERDEEL G

Ø16

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

[30]

10°

133

15

130

66

12

R17

40 Ø5

R35

15

E

10

12

M12

STEUNSTUK

Ø22

D Ø32

J

44

Ø16

4

50

22

R10

26

VRAE

H

Ø10 17

3

42

32

150

10

AS

LAERKAP 32

Ø46

B

T S Ø34

S

Ø10

A

Ø30

Ø100

Ø16

Ø88

ANTWOORD 9

Ø22

42

T

KATROL

LAERHELFTES

1

Op watter datum is die tekening geteken?

1

2

Wie het die tekening goedgekeur?

1

3

Wat is die tekeningnommer?

1

4

Wie was verantwoordelik vir die hersiening?

1

5

Indien die tekening volgens skaal 1 : 1 geteken was, wat sou die afmeting by A wees?

1

6

Watter hittebehandeling word verlang?

1

7

Watter tipe masjinering word verlang?

1

8

Wat is die toelaatbare toleransie op afmetings?

1

9

Voltooi, in netjiese vryhand, die deursnee-boaansig van die LAERHELFTES op snyvlak S-S.

3

10

Benoem die omkringde kenmerk by B.

1

11

Watter tipe snit word op die KATROL getoon?

1

12

Bepaal die volledige afmetings by: C

13

Bepaal die afmeting by F. Toon ALLE berekeninge.

2

14

Gee die korrekte naam vir onderdeel G.

1

15

Wat word deur die omkringde konvensie by H aangedui?

1

16

Wat word deur die omkringde konvensie by J aangedui?

1

17

Hoeveel oppervlakke op die STEUNSTUK vereis masjinering?

1

18

Wat is die doel van die twee skouers op die LAERHELFTES?

2

19

Watter onderdeel kan by die samestelling gevoeg word om te verseker dat die momentum effektief vanaf die KATROL na die AS oorgedra word?

2

20

In die spasie hieronder, teken, in netjiese vryhand, die simbool vir die projeksiesisteem wat gebruik word.

4

TOTAAL

30

07/15

M. FOURIE

VOEG OLIEGAT BY

1

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

ALLE ONGESPESIFISEERDE RADIUSSE IS 6mm.

DATUM

HERSIEN DEUR

BESKRYWING VAN HERSIENING

Nr.

MATERIAAL: GIETYSTER

LÊERNAAM: TD-SA AXLE.dwg

HITTEBEHANDELING: NORMALISEER

TEKENING Nr: MVZYL 2103 X

GOEDGEKEUR DEUR: HENDRIK

DATUM: 2015-10-04

NAGESIEN DEUR: ANDRIES

DATUM: 2015-09-15

GETEKEN DEUR: PIETER

DATUM: 2015-09-04

SKAAL 1 : 2

TEKENPROGRAM: TurboCAD

Strubenstraat Pretoria www.jpegd.co.za 012 987 6543 TITEL

NAAM: GRAAD 12:

0,05

ANTWOORDE

FYNSLYP

D

E

3

M

ANTWOORD 20

INGENIEURSGRAFIKA & ONTWERP

SIMBOOL

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

33

10

LOCKNUT

18 10

Ø180

20

A

QUESTION: ANALYTICAL (MECHANICAL)

D

SECTION A-A

Given: The working drawing of a handwheel mechanism, a title block and a table of questions.

A

C

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

Ø36

VIEW 1 Ø70 Ø48

Ø36

[30]

WELDING SYMBOL 1

QUESTIONS 2 4

Ø30

WELDING SYMBOL 2

1

40

14

M20

STANDARD NUT

28

12

19

10

3

8

3

Ø10

B

Ø55

Ø100

A

Ø70

Ø34

Ø80

F

6

Ø20

VIEW 2 Ø28

Ø20

E 15

21/12/12

ANDRE

DIAMETER OF INLET

A

DATE

CHANGED BY

DESCRIPTION OF REVISION

No:

(SA) (PTY) LTD

NAME: GRADE 12:

Schoeman Street PRETORIA 0001 www.egdengineering.co.za 012 555 2345

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

How many handwheel mechanisms must be manufactured?

1

6

Name feature A on view 2:

1

7

Name the type of section at B on view 2:

1

8

Name the type of section at C on view 1:

1

9

Name the type of section at D on view 1:

1

10

Name the convention which is shown at E on view 3:

1

11

What is feature F called on view 2?

1

12

What does the abbreviation PCD stand for?

1

13

What SI unit is the dimensions presented in?

1

14

What is the upper and lower dimensions according to the tolerance of the dimension at 4?

2

15

How many surfaces require machining?

1

16

What does the machining symbol

17

What type of weld is shown at welding symbol number 1?

1

18

What type of weld is shown at welding symbol number 2?

1

19

Determine the dimensions at: (1)

20

In the block below, draw, in neat freehand, the SANS 10111 convention for a bearing.

75 PCD

22

M16

1

VIEW 3

1

mean?

(2)

(3)

6 5

TOTAL DRAWING SYSTEM: TurboCAD Prof v17.2

DRAWN: PIETER

10/07/12

DRAWING No: LFN/304/2010

CHECKED: JOHAN

15/07/12

FILE NAME: D5Y2

APPROVED: SAREL

21/07/12

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

UNLESS OTHERWISE SPECIFIED, ALL SURFACE TEXTURE FINISHES ARE

30

ANSWER 20:

MATERIAL: BRASS HEAT TREATMENT: NORMALISE SCALE: 1:2 QUANTITY: 28

ENGINEERING GRAPHICS & DESIGN

Convention for the bearing

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

+0,35

188 -0.42

ANSWERS

10

SLUITMOER

18 10

Ø180

20

A

VRAAG: ANALITIES (MEGANIES)

D

SNIT A-A

Gegee: Die werkstekening van 'n handwielmeganisme, 'n titelblok en 'n tabel met vrae.

A

C

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

Ø36

AANSIG 1 Ø70 Ø48

Ø36

[30]

SWEISSIMBOOL 1

VRAE 2 4

Ø30

SWEISSIMBOOL 2

1

40

14

M20

STANDAARDMOER

28

12

19

10

3

8

3

Ø10

B

AANSIG 2

Ø100

Ø55

A

Ø70

Ø34

Ø80

F

6

Ø20

Ø28

Ø20

E 15

21/12/12

ANDRE

DIAMETER VAN INVOERE

A

DATUM

VERANDER DEUR

BEKRYWING VAN HERSIENING

Nr:

(SA) (Edms.) Bpk.

NAAM: GRAAD 12:

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

Hoeveel handwielmeganismes moet vervaardig word?

1

6

Benoem kenmerk A op aansig 2:

1

7

Benoem die tipe snit by B op aansig 2:

1

8

Benoem die tipe snit by C op aansig 1:

1

9

Benoem die tipe snit by D op aansig 1:

1

10

Benoem die konvensie wat deur E op aansig 3 getoon word:

1

11

Benoem kenmerk F op aansig 2:

1

12

Waarvoor staan die afkorting SSD?

1

13

In watter SI-eenheid word die afmetings voorgestel?

1

14

Wat is die boonste- en onderste afmetings volgens die toleransie vir die afmeting by 4?

2

15

Hoeveel oppervlakke moet gemasjineer word?

1

16

Wat word met die masjineringsimbool

17

Watter tipe las word deur sweissimbool 1 voorgestel?

1

18

Watter tipe las word deur sweissimbool 2 voorgestel?

1

19

Bepaal die afmetings by: (1)

AANSIG 3

20

Teken, in netjiese vryhand, die SANS 10111- konvensie van 'n laer in die onderstaande blok.

bedoel?

(2)

1

(3)

6 5

TOTAAL TEKENPROGRAM: TurboCAD Prof v17.2

TEKENAAR: PIETER

10/07/12

TEKENING Nr: LFN/304/2010

NASIENER: JOHAN

15/07/12

GOEDGEKEUR: SAREL

21/07/12

LEÊRNAAM: D5Y2

Schoemanstraat PRETORIA 0001 www.igoingenieurs.co.za 012 555 2345

Op watter datum is die hersiening voltooi?

75 SSD

22

M16

1

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

TENSY ANDERS VERMELD, IS ALLE OPPERVLAKTEKSTUURAFWERING

30

ANTWOORD 20:

MATERIAAL: GEELKOPER HITTEBEHANDELING: NORMALISEER

SKAAL: 1:2 HOEVEELHEID: 28

INGENIEURSGRAFIKA & ONTWERP

Konvensies vir die laer

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

+0,35 188 -0.42

ANTWOORDE

5

4

3

2

QUESTION: ANALYTICAL (MECHANICAL)

1

37 1

Given: Five views and a detailed enlargement of a shifting spanner assembly, a welding symbol, a parts list, a title block and a table of questions. The drawings have not been prepared to a scale.

7

3

T

VIEW 5 6 5

QUESTIONS TAIL

10

40

W

1

0 20

G +0.15

4 -0.25

ANSWERS ARROW LINE

11

R16

11

8

WELDING SYMBOL

R16

S

7

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

[29]

With reference to the welding symbol, link the number on the drawing with the correct element in the column to the right of this question.

WELDING PROCESS

7

CONCAVE FINISH WELD ALL AROUND

B

R4

REFERENCE LINE

R24

SIZE OF WELD

C 2

What type of heat treatment is required for the jaws?

1

3

Which projection system has been used for the drawing?

1

4

What is the radius of the unspecified curves?

1

5

Determine the dimension at A.

1

6

Measure the angle at B.

1

7

What is the purpose of the measurements on the fixed jaw and handle at C?

2

8

Name the type of section at D.

1

Ø2.5

9

Name the type of section at E.

1

DETAIL W

10

What is the purpose of the grooves at F?

1

11

If view 2 is the front view, what would view 4 be called?

1

12

What is the purpose of the enlarged detailed view?

1

13

What type of section resulted from cutting plane S-S?

1

14

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

2

15

How many surfaces of the fixed jaw and handle must be machined?

1

16

What direction of lay must be applied to the machined surfaces?

1

17

In the space below (ANSWER 17), draw, in neat freehand, the conventional representation of a bearing on a section of a shaft.

5

A

D

80

E

Ø7

2

R6 3

R8

S

VIEW 1

VIEW 2

QUANTITY

MATERIAL

1

FIXED JAW AND HANDLE

1

2

ADJUSTABLE JAW

1

TOOL STEEL

3

WORM SCREW

1

4

WORM SHAFT

1

CHROME VANADIUM CASTING DRAWING PROGRAM: TURBOCAD 2018

HEAT TREATMENT ON ALL JAWS

HARDENING

METHOD OF MACHINING

MILLING

NAME: GRADE 12:

VIEW 4

TITLE

PARTS LIST PART

VIEW 3

ALL UNSPECIFIED RADII ARE R2.

APPROVED: JOHAN

2018-12-21

EN 19

CHECKED: KEITH

2018-12-17

TOOL STEEL

DRAWN: PIETER

2018-12-07

TOTAL ANSWER 17: Conventional representation of a bearing on a section of a shaft.

930 15th Avenue Wonderboom South Pretoria 0084 www.jpegd.co.za

ENGINEERING GRAPHICS & DESIGN

ANALYTICAL (MECHANICAL) DATE:

COPYRIGHT © JP KOPIEREG © JP

F

29

5

4

3

2

VRAAG: ANALITIES (MEGANIES)

1

37 1

Gegee: Vyf aansigte en 'n gedetaileerde vergroting van 'n skroefsleutelsamestelling, 'n sweissimbool, 'n lys van onderdele, 'n titelblok en 'n tabel met vrae. Die tekeninge is nie volgens skaal voorberei nie.

7

3

T

AANSIG 5 6 5

VRAE

10

40

1

0 20

G +0.15

ANTWOORDE STERT

W

4 -0.25

[29]

PYLPUNTLYN

11

R16

11

8

SWEISSIMBOOL

R16

S

7

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

Met verwysing na die sweissimbool, verbind die nommer op die tekening met die korrekte element in die kolom regs van hierdie vraag.

R24

7

KONKAWE AFWERKING GROOTTE VAN SWEISLAS

C

A

D

F

SWEISPROSES SWEIS RONDOM

B

R4

VERWYSINGSLYN

80

E

2

Watter tipe hitte hittebehandeling word vir die kake benodig?

1

3

Watter projeksiesisteem is vir die tekening gebruik?

1

4

Wat is die radius van die ongespesifiseerde boë?

1

5

Bepaal die afmeting by A.

1

6

Meet die hoek by B.

1

7

Wat is die doel van die afmetings op die vaste kaak en handvatsel by C?

2

8

Noem die tipe snit by D.

1

Ø2.5

9

Noem die tipe snit by E.

1

BESONDERHEDE W

10

Wat is die doel van die groewe by F?

1

11

As aansig 2 die vooraansig is, wat sal aansig 4 genoem word?

1

12

Wat is die doel van die vergrote gedetailleerde aansig?

1

13

Watter tipe snit het uit snyvlak S-S voortgespruit?

1

14

Met verwysing na die toleransie, bepaal die minimum afmeting

by G.

2

15

Hoeveel oppervlakke van die vaste kaak en handvatsel moet gemasjineer word?

1

16

Watter bewerkingsrigting moet op die gemasjineerde oppervlakke toegepas word?

1

17

In die spasie hieronder (ANTWOORD 17), teken, in netjiese vryhand, die konvensionele voorstelling van 'n laer op 'n gedeelte van 'n as.

5

Ø7

2

R6

S

AANSIG 1

AANSIG 2

ONDERDEEL

HOEVEELHEID

MATERIAAL

1

VASTE KAAK EN HANDVATSEL

1

CHROOMVANADIUMGIETSTUK

2

VERSTELBARE KAAK

1

GEREEDSKAPSTAAL

3

WURMSKROEF

1

4

WURMSKAG

1

TEKENPROGRAM: TURBOCAD 2018

ALLE ONGESPESIFISEERDE RADIUSSE IS R2.

GOEDGEKEUR: JOHAN

2018-12-21

EN 19

NASIENER: KEITH

2018-12-17

GEREEDSKAPSTAAL

GETEKEN: PIETER

2018-12-07

HITTEBEHANDELING OP ALLE KAKE

VERHARDING

METODE VAN MASJIENERING

FREESWERK

GRAAD 12:

AANSIG 4

TITEL

LYS VAN ONDERDELE

NAAM:

AANSIG 3

TOTAAL ANTWOORD 17: Konvensionele voorstelling van 'n laer op 'n gedeelte van 'n as.

15de Laan 930 Wonderboom-Suid Pretoria 0084 www.jpegd.co.za

INGENIEURSGRAFIKA & ONTWERP

ANALITIES (MEGANIES) DATUM:

COPYRIGHT © JP KOPIEREG © JP

3

R8

29

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

M9

Ø24

Ø42

QUESTION: MECHANICAL ASSEMBLY

SLOT 2 x 2

24 15

Ø32

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

8 Ø158 13

GRUB SCREW (6) 33 37

Ø143

82 15

BUSH (4)

25

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 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 right view of the bracket (part 5).

The right view * ALL drawings must comply with the quidelines contained in the SANS 10111.

M24

Ø32

Ø54

Ø32

Ø9

4

SHAFT (7)

72° Ø122

15

33

3

Ø44

6 M24

NOTE: * Show THREE faces of the M24 nut and ALL necessary construction. You may not use a stencil. * NO hidden detail is required.

5 SPOKES EQUI-SPACED

45

Ø24

PULLEY (3) M24 NUT (1)

7

WASHER (2)

Add the following features to the drawing: * The cutting plane A-A * Label the sectional view SECTION A-A.

19

6

A

16 8

M9 Ø42

4

R27

Ø24

5 3

PARTS LIST PART 1. M24 NUT 2. WASHER 3. PULLEY 4. BUSH 5. BRACKET 6. GRUB SCREW 7. SHAFT

113

12

2

10

60°

42

37

17

A

13 26

FR ON T

Ø10

Ø10

1

Ø10

13 56

PULLEY ASSEMBLY

108

VI EW

NAME: GRADE 12:

EXPLODED ISOMETRIC DRAWING

ALL DIMENSIONS ARE IN MILLIMETRES

BRACKET (5)

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

MECHANICAL ASSEMBLY DATE:

ALL UNSPECIFIED RADII ARE R3 COPYRIGHT © JP KOPIEREG © JP

12

30°

M9

Ø24

Ø42

VRAAG: MEGANIESE SAMESTELLING

GLEUF 2 x 2 24 15

Ø32

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

8 Ø158 13

SKROEFTAP (6) 33 37

Ø143

82 15

BUS (4)

25

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 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 regteraansig van die steunstuk (onderdeel 5) getoon.

Die regteraansig * ALLE tekene moet voldoen aan die riglyne vervat in die SANS 10111.

M24

Ø32

Ø54

Ø32

Ø9

4

AS (7)

72° Ø122

15

33

3

Ø44

6 M24

5 SPEKE EWEREDIG GESPASIEER

45

Ø24

KATROL (3) M24-MOER (1)

7

WASTER (2)

Voeg die volgende kenmerke by die tekening: * Die snyvlak A-A * Benoem die deursnee-aansig SNIT A-A.

19

6

A

16 8

M9 Ø42

R27

Ø24

5 4

3

LYS VAN ONDERDELE ONDERDEEL 1. M24-MOER 2. WASTER 3. KATROL 4. BUS 5. STEUNSTUK 6. SKROEFTAP 7. AS

113

12

2

10

60°

Ø10

Ø10

42

37

17

Ø10

1

A

13 26

VO OR AA NS IG

13 56

NAAM: GRAAD 12:

ALLE AFMETINGS IS IN MILLIMETER

STEUNSTUK (5)

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

108

UITSKUIF-ISOMETRIESE TEKENING

LET WEL: * Toon DRIE vlakke van die M24-moer en ALLE nodige konstruksies. Jy mag nie 'n stensil gebruik nie. * Geen verborge besonderhede word verlang nie.

MEGANIESE SAMESTELLING DATUM:

ALLE ONGESPESIFISEERDE RADIUSSE IS R3.

COPYRIGHT © JP KOPIEREG © JP

12

30°

NAME: GRADE 12:

ENGINEERING GRAPHICS & DESIGN

MECHANICAL ASSEMBLY DATE:

COPYRIGHT © JP KOPIEREG © JP

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