Buch, Englisch, 384 Seiten, Format (B × H): 152 mm x 229 mm, Gewicht: 779 g
Buch, Englisch, 384 Seiten, Format (B × H): 152 mm x 229 mm, Gewicht: 779 g
Reihe: Woodhead Publishing India in T
ISBN: 978-93-80308-45-6
Verlag: WOODHEAD PUB INDIA
The book has been written in response to numerous suggestions and great interest of colleagues and students in the textile industry to note the various design aspects in the mechanics of the textile machineries.
Autoren/Hrsg.
Fachgebiete
Weitere Infos & Material
Preface
Foreword
Belt, rope and chain drives
Introduction
Selection of belt drive
Types of belt drives
Types of belts
Flat belt drives
Velocity ratio of belt drive
Power transmitted by a belt
Ratio of driving tensions for flat belt drive
Centrifugal tension
Initial tension in the belt
V-belt drive
Rope drive
Chain drives
Gear trains
Introduction
Nomenclature of gears
Rotary motion
Introduction
Linear displacement
Angular displacement
Speed
Transmission of rotary movement in machines
Classification of gears
Gears in textile machines
Equations of movement
Acceleration
Retardation
Parallelogram of velocities
Introduction
Velocity
Force, mass and momentum
Introduction
Definitions and units
Units of force
Momentum in quantity of motion
Work and power
Introduction
Units of work (in SI units)
Graphical representation of work
Useful definitions
Work done by a varying force
Resolution of forces
Introduction
Lines of representation of forces
Law of Polygon of forces
Law of Triangle of Forces
Tension and compression
Graphical methods
Resolution and composition of a force
Resolution of a number of coplanar forces
Centre of gravity
Introduction
Centre of gravity of irregular bodies
Centre of gravity of levers
Principle of moments
Moment of force
Geometrical representation of moments
Types of moments
Clockwise moments
Anti-clockwise moments
Varignon’s Principle of Moments or Law of Moments
Moments on bent lever
Moments of bent lever in weighting arrangement
Bent lever in weighting of single yarns
Bent lever on Lea strength tester
Friction
Introduction
Types of friction
Limiting friction
Coefficient of friction (Fig. 11.2)
Laws of solid friction
Friction of shaft in its bearings
Friction clutches
Power transmission
Coil friction
Introduction
Friction on curved surface
Coefficient of friction on solid surface
Transmission of power by belts and rope drives
Transmission of power by V-belts and rope drives
Brakes
Lifting machines and velocity ratio
Introduction
Definitions
Velocity ratio
Velocity ratio on simple pulleys
Weston differential pulley block
Types of machines
Law of a machine
Stress, strain and elasticity
Stress
Energy
Momentum energy impulsive forces and impact
Momentum
Law of Conservation of Momentum
Collision of two bodies
Collision of inelastic bodies
Collision of elastic bodies
Coefficient of Restitution (e)
Impulse
Energy
Potential energy
Kinetic energy
Strain energy
Law of Conservation of Energy
Motion in a circle
Introduction
Centripetal force
Centrifugal force
Conical pendulum
Tension in rotating masses
Simple harmonic motion
Introduction
Definitions of few terms
Simple pendulum
Helical springs
Moments of inertia and kinetic energy of rotating bodies
Mass moment of inertia
Fundamental equation for a rotating body
Kinetic energy of a rotating body
Compound pendulum
Centre of percussion
Practical methods of finding moment of inertia
Introduction
Flywheel
Methods of finding Moment of Inertia of fly wheels
Bifilar suspension
Referring Moment of Inertia
Moment of inertia referred to its driving shaft
Winding mechanics
Cams
Introduction
Classification of cams
Classification of followers
Cams in textile machines
Construction of the cam design
Terms in Cam profile
Scutcher feed regulating mechanism (Fig. 20.15)
Cone drum construction (Fig. 20.16)
Design of cone drum profile (Fig. 20.17)
Design of cone drums in speed frame (Fig. 20.18)
Tappets
Construction of shedding tappet
Determination of tappet lift
Determination of NPC and FPC
Relation between dwell period and type of heald movement
Tappet design for plain weave
Design of tappet for twill weave
Construction of a shedding tappet for three-shaft weave
Cranks and eccentrics
