Table of Content
Manufacturing Process
- Centre Lathe and its Parts
- Turning and centre Lathe
- Bed
- Ways
- Headstock
- Gearbox
- Constructional features of Lathe
- Lath Diagram
- Spindle
- Chuck
- Tailstock
- Tailstock Quill
- Carriage
- Cross Slide
- Tool post
- Feed Road
- SplitNut
- Quick Change Gearbox
- Follow Rest
- Safety Precaution
- Before Working
- During working
- After Working
- Lathe operation-cutting speed and feed
- Cutting speed
- Factors governing the cutting speed
- Factors governing feed
- Rate of metal removal
- Cutting speed and feed for hiss tools
- Turning time calculation
- Purpose of facing
- Defects found on facing
- Defects found on faced work
- Convex face
- A pip in the center
- Plain turning
- Rough turning
- Finish turning
Lathe bed
- Functions of a lathe bed
- Constructional features of lathe bed
- Bed-ways
- All geared headstock
- Cone pulley head stock
- Tailstock
- Functioning of a tailstock
- Purpose of a tailstock
Lathe Operation-different types of shoulders
- Shoulder
- Types of shoulders
- Purpose
- Divider caliper
- Oddleg caliper
- Venire caliper
- Outside jaws
- Inside Depth probe
- Main scale
- Vernier
- Retainer
- Micrometer caliper
- Firm joint caliper
- Spring caliper
Lathe operation – knurling
- Knurling
- Firm joint caliper
- Spring caliper
- Purpose of knurling
- Types knurling
- Diamond knurling
- Cross knurling
- Concave knurling
- Convex knurling
- Grades of knurling
- Types of knurling tool holders
- Single roller knurling
- Differences between different types of knurling tool holders
- Knuckle joint type knurling tool holder
- Revolving head knurling tool
- Chamfering
- Purpose of chamfering
- Methods of chamfering
- Using a chamfering tool
- Using a file
- Grooving
- Types of grooves
- Round groove
- V shaped groove
Lathe Operations – center drilling
- Center drilling
- Defects in center drilled holes
- Center drills
- Classification as per Indian standard
- Uses and specifications
- Methods of center drilling
- Centering in two operations
- Lathe centers
- Types of centers and their uses
- Soft center
- Live or revolving center
- Pipe center
- Cup center
- Drive center
- Spring center
Lathe accessories-work holding and work supporting
- Work holding accessories
- Three-jaw
- Face plates
- Unusual slotted faceplate
- Lathe mandrels
- Work supporting accessories
- Accessories used for in-between center works
- Lathe carriers
Threading
- Tolerancing of screw threads
- Method of and an arrangement for producing threads
- Making a screw with a lathe
- Threading on a lath
Lathe mandrel
- A mandrel
Cutting fluids
- Functions
- Advantages
- Properties of good cutting fluid
- Aluminum cutting fluid
- All purpose cutting oil
- Sawing fluid
- Thread cutting oil
- Synthetic cutting fluid concentrate
- Straight mineral oil
- Chemical solution (synthetic oil)
- Advantages
- Disadvantages
- Compounded or blended oil
- Fatty oil
- Soluble oil [Emulsified oil]
Classification of steels
- Carbon steels
- Designation system
- Alloy steels
- Classification of steels by application
- Stainless steels
- The letter means
- Metals commonly used for making gallory steels nickel (Ni)
- Chromium (Cr)
- Manganese (Mn)
- Silicon (Si)\Tungsten (W)
- Vanadium (Va)
- Cobalt (co)
- Molybdenum (Mo)
- Cadmium (Cd)
Heat treatment processes
- Purpose of the heat treatment
- Purpose of the heat treatment
- Stages of heat treatment process
- Annealing
- Normalizing
- Hardening (by quenching)
- Hardening followed by tempering
- Tempering
- Tempering requires
Introduction to grinding process
- Introduction
Types of grinding operations
- Surface grinding
- External cylindrical grinding
- Internal cylindrical grinding
- Form grinding
- Grinding machines
- Surface grinding
- Cylindrical grinder
- Tool and cutter grinder
Surface Grinding Machine
- Surface Grinding machine
- Types of surface grinders
- Horizontal spindle reciprocating table surface grinder
- Function
- Specification of surface grinder
- Surface grinding operations
Standers Marking System For Grinding Wheels
- Specifcations of Grinding Wheels
Contruction of a Grinding Wheel
- Grade
- Structure
Types of Bonds and their uses
- Vitrifies Bond(V)
- Silicate Bond (S)
- Shellac Bond (E)
- Rubber Bond (R)
- Resinoid Bond (B)
Grinding Wheel-Staneard Dhapes and Appilcation
- Straght Wheel
- Cylinder
Tapered
- Recessed one side
- Straght cup
- Recesssd both side
- Flaring cup
- Disc
- Saucer
- Segmented Wheels
- Mounted Wheels
Types of wheel faces
- Grinding wheel specifcation
Cylindriacl Grinders
- Plain centre type cylindrical grinder
- Parts
- FunctionsSpecification
Work-holding Devices
- Magnetic chuck
- Vices
- Angle Plate
- V Block
- De-Magnetizer
Grinding Wheel Dressing
- Truing
- Diamond Dressers.
- Steel dressing tools
- Abasive stick
Selection Of Grinding Wheel
- Material to be grund
- Amount of stock to be removed
- Finish requird
- Type of grinding operatiing
- Wheel speed
- Condition of the machine
Basic Idea of Hardness Testing
- Hardness test methods
- The Brinell Hardness Test
- Vickers hardness Test Micro hardness Test
- Hardening and tempering
- Hardening and Tempering Steel
- Water-Hardening tool steel
- Oil-hardning tool steel
- Cutting Tool
- Cutting Tool Terminology
- Annealing
- Annealing Steel
- Annealing Cast iron
- Normalizing
Importance of case Hardening & Stress Relieving
- Case Hardening Of Mildsteel
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