S/NO.

TOPIC

CONTENT

PRACTICAL

1

Workshop and

1.1.

Introduction to fabrication and

standard workshop

welding practice.

practices.

1.2.

Safety precautions in welding

and fabrication workshop.

-   Types and causes of

accident in the workshop

(fire, explosion, sharp

objects, hazardous gases,

etc).

-

Accident prevention

measures.

-   Types and causes of

environmental pollution.

-

Methods of preventing

environmental pollution.

-

Safety facilities and

protective wears.

1.3.

Workshop layout (fabrication

and welding).

1.4 .

Standard welding codes and

symbols.

1.5.

First-Aid administration in the

workshop.

2

Properties of metals and

2.1

Ferrous and non-ferrous

2.1.1   Identification of

selection.

metals (steel, aluminum, cast

ferrous and non-

iron, copper and zinc, tin, alloy

ferrous metals.

steel).

2.2.

Properties of metals (ductility,

hardness, toughness,

malleability, fusion and

tenacity, brittleness, elasticity

and plasticity).

2.3.

Sheet metal (aluminum, mild

steel, brass)

-  concept of sheet metal

-  gauges of sheet metal

2.4.

Selection of suitable metals for

specific jobs.

2.5

Heat treatment of metals

(hardening, annealing,

normalizing, tempering and

2.5.1. Annealing,

case- hardening, etc.)

Hardening and

Normalizing of metals

3

Tools and Equipment in

3.1.

Identification of tools and

3.1.1. Student to set up oxy

Fabrication and Welding.

equipment for fabrication and

– acetylene equipment

welding.

3.2.

Equipment set-up for gas, arc

welding and fabrication.

3.3.

Job holding devices for

fabrication and

welding.

3.4.1. Demonstration of the

3.4.

Measuring instruments,

use of measuring,

marking out and cutting tools.

marking out and

cutting tools.

3.5.1. Demonstration of the

3.5.   Identification of parts and

preparation of

accessories for gas and arc

ace-tylene gas

welding.

from carbide.

3.6.

Maintenance procedure for arc

and gas (oxy-acetylene)

welding equipments.

3.7.   Preparation of acetylene gas

from carbide.

composition, their application,

gauges of electrodes, selection

of appropriate electrode for a

specific job.

3.9.   Equipment for fault detection

and trouble shooting in

fabrication and welding.

4

Operations and

4.1.

Types of welding (Gas and Arc

Techniques in

welding), explanation of the

Welding and

principles of gas and arc

Fabrication.

welding and their differences

4.2.

Description of a typical

fabrication process.

4.3.

Types of joints, joint methods

4.3.1. Demonstration of

and application in welding and

various jobs cutting

fabrication

techniques.

4.4.   Classification of marking out

techniques in welding and

fabrications.

4.5.

Description of the use of

templates for fabricated and

welded assemblies.

4.6.

Welding techniques

4.6.1. Students to weld

and application.

using both leftward

and rightward

4.7.

Techniques in fabrication work

methods.

- Description of folding

4.7.1. Students to work on

techniques and its

wire-edge projects.

importance in

fabrication work.

5

Fasteners

5.1.

Permanent fasteners.

(a)

Classification of

5.2.

Temporary fasteners.

fasteners.

5.3.

Types of rivets.

5.4.1. Students to produce

(b)

Rivet and its

5.4.

Uses of rivets.

rivets joints.

application

5.5.

Description of bolts and nuts.

5.5.1.  Students to produce

(c)

Bolt and nuts

5.6.

Uses of bolts and nuts

bolts and nuts.

(d)

Screws

5.7.

Classes of rivets and screws.

6

Forging Process

6.1.

Definition of forging

- Introduction to forging

6.2.

Forging tools and equipment

(furnace, swages, fullers,

flatters and tongs).

6.3.

Forging process

6.3.1. Students to form an

- upsetting.

eye.

- drawing down

- twisting

- bending

- forging an eye.

7

Preparation of

7.1.

Preparation of welding surfaces

welding surfaces

by cleaning with wire brush,

and environment.

emery cloth, files, scrappers and

grinding machine.

7.2.

Preparation of edges for welding

7.2.1.  Preparation of single

e.g. single V, double V, fillets.

V surface for

7.3.

Post surface preparation

welding.

- cleaning surface with wire

brush

- oiling surface to protect from

corrosion or rusting.

7.4.

Defect in welding surfaces

(causes and remedies).

7.5.

Definition of

welding

environment

- awkward, unventilated,

flammable material

- slipery floor (oil/grease on

floor)

7.6.

Surface furnishing for

fabrication and welding

(painting, metal spraying,

8

Practical Work/Project

8.1.

Marking of shapes (triangle,

square and rectangle).

8.2.

Cutting and bending of triangles,

square and rectangles.

8.3.  Soldering of sheet metals

8.4.

Welding of steel using arc

welding.

8.5.

Welding of steel using gas

welding.

8.6.

Fabrication of ferrous and non-

ferrous metals into required

shapes.

8.7   Suggested projects (students to

produce the following):

- named plate

-

trinket box

-

funnel

-

kitchen stool

-

car stopper

- metal rake

- scoop

-

hinges

-

charcoal stove, etc.

9

Business

9.1.

Definition of

Entrepreneurship

-

entrepreneurship

Opportunity

- employer

- employee.