Related to workshop

1. WORKSHOP PRACTICE
Dr. Aneela Wakeel
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2. INTRODUCTION
• Workshop practice gives the basic working knowledge
required for the production of various engineering products.
• It explains the construction, function, use and application of
different working tools, equipment, machines as well as the
technique of manufacturing a product from its raw material.
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3. Course Outline
• Fitting shop
Assembly/disassembly of basic mechanical components
• Wood work shop
Timber and its type
Defects and preservation methods
Different types of wood joints
• Electric shop
Type and uses of cables
Type of electric circuits, electrical appliances
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4. Course Outline
• Forging and foundry shop
 Tools and accessories
 Furnace types
 Castings
• Machine shop
Introduction to machine tools, basic lathe operations
• Welding shop
Soldering
Brazing
Welding
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5. Recommended books
Workshop Technology by W.A.J Chapman
Butterworth-Heinemann
Electrical Wiring by Richter and Schwan. McGraw-
Hill Education
Wiring Manual by Pak Cables Limited

6. Course learning Outcomes
CLO Statement Domain PLO
1 Identify different defects in timber and
explain seasoning methods along with
conversion techniques
C1 1
2 Describe tools/accessories and
processes in fitting shop, electric shop.
C1 1
3 Describe working of lathe machines and
the operations performed on lathe
machine.
C2 1
4 Explain different methods of Welding,
forging and casting.
C2 1
5 Formulate a project report basis on
techniques or methods used in the
manufacturing process.
C3 2

7. Program learning outcomes
1 Engineering Knowledge  7 Environment and
Sustainability
2 Problem Analysis  8 Ethics
3 Design/Development of
Solutions
9 Individual and Team Work
4 Investigation 10 Communication
5 Modern Tool Usage 11 Project Management
6 The Engineer and Society 12 Lifelong Learning

8. Bloom Taxonomy
• Cognitive: mental skills (Knowledge)
• Affective: growth in feelings or emotional areas
(Attitude)
• Psychomotor: manual or physical skills (Skills)

9. Cognitive domains Sample verbs
C1 Knowledge
Recall or remember previously
learned material
Define, Identify, Label, List,
Name, Recall, State
C2 Comprehension
Comprehend the meaning, translation
interpretation of instructions and
problems.
State a problem in one's own words.
Describe, Discuss, Explain,
Locate, Paraphrase, Give
Example, Translate
C3 Application
Use a concept in a new situation.
Applies what was learned in the
classroom into novel situations in the
work place.
Apply, Carry Out, Demonstrate,
Illustrate, Prepare, Solve, Use
C4 Analysis
Separates or understand material or
concepts into component parts so that
its organizational structure may be
understood
Analyze, Categorize, Compare,
Contrast, Differentiate,
Discriminate, Outline
C5 Synthesis
Build or formulate a structure or
pattern from diverse elements by
using existing knowledge and skills
Combine, Construct, Design,
Develop, Generate, Plan, Propose
C6 Evaluation
Judges about the value of ideas or
materials.
Assess, Conclude, Evaluate,
Interpret, Justify, Select, Support

10. Evaluation scheme
• Assessment and its Percentage
• Quizzes
• 7%
• Assignments
• 8%
• Midterm Exam and class performance
• 30%
• Semester Project
• 5%
• Final Exam and viva
• 50%

11. OBJECTIVES
To gain a good basic knowledge of manufacturing process,
To have a balanced overall development of engineers, it is necessary
to integrate theory with practice.
 General workshop practices are included in the curriculum in order to
provide hands on experience about use of different engineering
materials, tools , equipment and processes that are common in the
engineering field.
Besides above, the development of dignity of labour, precision, safety
at work place, team working and development of right attitude are the
other objectives.
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12. Manufacturing process
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It is sequence of operations wherein the input material is converted
and transformed into finished products by using human effort or a
machine.

13. Difference between Production and
manufacturing
• Manufacturing is that procedure where machines are used to
produce goods from raw materials whereas production is
that procedure of converting the resources into finished
products.
• In manufacturing, the use of machinery required whereas in
production machinery may or may not be used.
• In the case of manufacturing both labor and machinery setup
is obligatory but in the case of production, only labor
essentially required.

14. Difference between Production and
manufacturing
• Manufacturing comprises the production of goods which can be
immediately sold off and are suitable for use. Production
essentially means the creation of utility.
• For manufacturing, the output which formed is tangible whereas in
production the output which obtained can be tangible or
intangible.
• All kinds of manufacturing are deemed to be production, but all
types of products not considered
• In manufacturing, the raw material needs to be procured from
outside whereas in producing the raw material is processed for
acquiring the output and procurement of raw material is not
required.

16. Manufacturing Industries and Products
• A Commercial activity
• Companies sell products to customers
Manufacturing
Industries
Primary
Cultivate and
exploit natural
resources
Secondary
Output from
primary,
refining
Tertiary
Service sector
Enterprise/organization

17. Manufacturing Industries and Products

18. Classification
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19. 1. Processing Operations
• A processing operation uses energy to alter a work part's shape, physical
properties, or appearance to add value to the material.
• The forms of energy include mechanical, thermal, electrical, and chemical.
The energy is applied in a controlled way by means of machinery and tooling.
• Most production operations produce waste or scrap, either as a natural
aspect of the process (e.g., in machining) or in the form of occasional
defective pieces. It is an important objective in manufacturing to reduce waste
in either of these forms.
• The operations are performed in the particular sequence required to achieve
the geometry and condition defined by the design specification.
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20. i) Shaping Operations
• Net-shaping, inkjet
printing, free-form
fabrication (non-traditional
processes) transform
nearly all material into
final shape of product
without need for
machining.
II) PROPERTY
ENHANCEMENT
PROCESSES
Used to improve mechanical, physical
or chemical properties of the material.
Sintering, annealing, curing, heat
treatment etc.
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23. iii) Surface Processing
• Cleaning, surface treatment, coatings and thin
films deposition etc.
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24. 2. Assembly Operation
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25. 3. Production Machines & Tooling
• Man pro operations are accomplished using machine+ tools
• Traditional tooling (steam power)
• Precision and Automation in Tooling
• Machine Tool is the mother of all machines.
• Production machines include presses (stamping, Cold
isostatic pressing, Hot isostatic pressing etc.), forge
hammers, rolling mills, welding machines.
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26. 3. Production Equipment
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27. Tooling
• When used with general purpose
equipment, tooling is designed to
be exchanged.
• When used with special purpose
machines, the tooling is often
designed as an integral part of
the machine. Because the
machine is likely being used for
mass production, the tooling may
never need changing except for
replacement for repair of worn
surfaces.
• Examples; Molds for metal
casting or polymers shaping,
Rolls, die, cutting tools,
jig/fixtures, grinding wheel,
electrodes etc.
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