workshop

MeasrMents

standard

technqs

Lathe

history

withworth

Theory

tools

• Operations

• Parts• types

• CONCLUSION

flow

Machine Shop ??

Measurments ??Standards

BSW MS SIUNITS UNITS UNITS

inches Meter metr

Feets Centimeter Kilometer

yards Milimeter

Miles Decimeter

Nautical Miles picometer

1841 1947 1960

Sir Withworth

French Modern Form

Only Burma, Liberia and theUnited States have not adopted SI units.

Techniques ??1:

INDIRECT2: DIRECT

Outer Callipers

Inner Callipers

Gauges

Vernier Callipers

Screw Gauge

Scale Foot

THEORY !!!!THREADS

• Pitch• Lead• Types

SQUARE (90*)

ACME (29*)

BUTTRESS (60*)

ISO (60*)

Joseph WithWorth’s Contribution !!

Three Systems

SYSTEMS Thread Angle

BSW (withworth)

55

BSF (finned) 55

BSC (cycle) 60

GAUGES !!

TYPES

Profile gauge

Snap Gauge

Plug gauge

Feeler gauge

Radius gauge

Wire gauge

Thread Gauge

MARKING TOOLS !!

TYPESTry square

Carpanter square

Measuring tapes

Divider

Old leg Callipers

Scribers

Surface Plate

Vernier Hight

Vee Block

CUTTING TOOLS !!TYPES

files

hammer

Hand hack saw

Drill Bits

Tappes

Remmers

Counter Boaring tools

Hand Shears

Bolt Cutter

FITTING TOOLS !!

TYPESScrew Driver

L-Keys

Spanners • Open handed

spanner• Ring Spanner• Tube spanner• Chain spanner

Renches• Screw Rench• Pippe Rench• Rattle Gun• Alegator Rench• Wheel Brace

WHAT IS LATHE MACHINE ???

HISTORYAncient

Egyptians

Ancient Greeks

Ancient Rome

Middle Ages

Modren Age

LATHE MACHINE !!PARTS

HeadStock

Tailstock

Apron

Bed

Base

LATHE MACHINE !!

OPERATIONS

Turning

facing

Boring

Drilling

Reaming

Threading

Knurling

Tapper Turning

LATHE MACHINE !!

TYPESCentral lathe

Engine lathe

Bench Lathe

Automatic lathe

Turret lathe

CNC – lathe

PLC – lathe

JOBS

DIFFERENCE

CNC LATHE PLC LATHE

Computer Operated Computer Operated

Motors Hydraulics

Water Coolant Air Coolant

CONCLUSIONS !!!