Workshop safety & introduction to basic tools

• What is an accident?
• Causes for accidents
• Safe attitudes
• Responsibilities
• Employer’s responsibilities
• Employee’s responsibilities
• Rules and procedures at work
• Safety signs
• Prohibition signs
• Waning signs
• Question about your safety
• Lifting and handling loads
• Types of injury and how to prevent them
• Correct manual lifting techniques

Engineers steel rule

• Engineer’s steel rule
• Material and sizes of steel rules
• Graduation
• Uses

Marking media

• Different types of making media

Filing specification

• File specification
• Length
• Types of cut
• Parts of file

Hacksaw frame and blade

• Types of hacksaw frames
• Types of hacksaw blades
• Setting of the saw
• Staggered set
• Wave set
• Datum
• Bench vice
• Vice clamps or soft jaws
• Radius gauges
• Universal surface gauges
• Types of surface gauges
• Parts and function of a universal surface gauge

Drills

• Parts of drill
• Drill bit holder
• Use of a coolant
• Countersinking bit
• Chisel
• Parts of a chisel
• Common types of chisel
• Angle of chisel
• Point angle and material
• Hammer
• Major parts of a hammer
• Specification
• Drilling Machines
• Sensitive bench drilling machine
• The pillar drilling machine
• The machine vice
• Parallels
• Cutting speed and rpm

Reamers

• What is reamer?
• Advantages of ‘reaming’
• Classification of reamers
• Parts of a hand reamer
• Terms relating to cutting geometry

Straight & angular measurements – Marking punches

• Types of marking punches
• Types of calipers
• Jenny calipers
• Uses
• Length measurement
• Length measurement SI units
• Length
• Base unit
• Measurement in engineering practice
• The British system of length measurement
• Try square
• Scriber, divider
• Scriber
• Uses
• Divider
• Uses

External Threading and Square slot filing – Die and Die stock

• Uses of die
• Types of die
• Different types of thread

Sheet metal

• Types of sheet
• Snips
• Parts of a straight snips
• Outside micrometer
• Important parts of an outside microcomputer and their function
• Reading and outside micrometer

Folding tools

• Angle steel
• Folding bar
• ‘C’ clamp
• Stakes
• Types of stakes
• Notches
• Purpose of notches
• Types of notches

Securing metal sheets by rivetting

• Riveting
• Uses
• Material
• Types of rivets
• Sizes of rivets
• Selection of rivet size
• Method of riveting
• Rivet set
• Spacing of rivets

Indian Timbers

• Teak
• Deoder
• Uses
• Chir
• Kail
• Shisham (sissoo)
• Sal
• Babul
• Mango
• Bamboo
• Advantages of timber
• Classification of timber
• Other method of classification of timber

Plywood

• Manufacturing of ply wood
• Advantages
• USES OF PLYWOOD
• Sunmica

Marking and measuring tools

• Common marking tools
• Wooden folding rule
• Steel rule
• Common  marking tools
• Straightedge
• Marking gauge
• Try Square
• Chisel – its parts, types and their used
• Parts of a Chisel
• Types of Chisels
• Firmer chisel
• Bevel-edge firmer chisel
• Paring chisel
• Mortise Chisel

Various types of half- lap joints and their uses

• Types of half- lap joints
• End-lap joint
• Middle- lap joint
• Cross-lap joint

General Classifications of joints

• Lengthening joints
• Widening joints
• Framing joints
• Box joints
• Circular joint
• Some common joints
• Dowel joint
• Grooved joints
• Mitre joints
• Half lap joints
• Tee- half lap joint
• Cross half-lap joint
• The dovetailed half lap
• Mitre half lap joint

Glue

• Animal glue
• Preparation of animal glue
• Casein Glue
• Resin glue
• Vegetable glue
• Blood albumen glue
• Wood finishes
• French polish
• Varnish intensifies the natural beauty of the grain and texture
• Application of polish
• Uses
• Varnish
• Oil Stain
• Application of Staining
• Painting
• Application of paints

Welding (Fusion, Non fusion & pressure)

• Types of Welding
• Fusion welding
• Non Fusion Welding
• Pressure Welding
• Safety precautions during ac welding
• Safety precautions
• Arc-Welding tools and accessories
• Chipping hammer
• Wire brush
• Welding hand screen
• Welding helmet screen
• Chipping goggles
• Tong
• Electrode  holder with cable
• Earth clamp with cable
• Welding table
• Apron
• Hand gloves
• Arc-Welding Machines
• Function
• Types
• A.C. Machines

Basic Workshop Practices (Basic Welding)

• Square butt joint (ARC) flat position
• Butt joint
• Types of edge preparation
• Methods of edge preparation
• Distortion and its control
• Distortion
• Control of distortion
• Causes of common welding faults
• Under Cut
• Incomplete Penetration
• Slag inclusion
• Porosity o blow-hole
• Spatters
• Selection and storage of electrodes
• Factors of the selection of electrodes
• Properties of the base metal
• Electrode diameter
• Joint design and fit up
• Welding position
• Welding Current
• Production efficiency
• Usage and storage of electrodes

Setting up Oxy-Acetylene plant

• Oxy-acetylene gas welding
• Oxygen gas cylinders
• Dissolved acetylene cylinders
• Pressure regulators for oxygen
• Safety for gas cylinders
• Safety for blowpipes

Setting of Oxy-Acetylene flame

• Fuel gases used in welding
• Supporter of combustion gas
• Temperature and uses of gas flame combinations Oxy-acetylene gas flame
• Oxy-hydrogen gas flame
• Oxy-liquid petroleum gas flame
• Oxy-coal gas flame
• Types of oxy-acetylene flames
• Flame types
• Neutral flame
• Characteristics
• Uses
• Oxidising flame
• Characteristics
• Uses
• Carburising flame
• Uses
• Acetylene gas generation
• Composition of acetylene
• Principle of an acetylene
• Methods of acetylene

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Refrigeration-mechanic-Basic-Workship-Practices