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Manufacturing Automation Metal Cutting Mechanics, Machine Tool Vibrations, and CNC Design

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ISBN-10: 0521172470

ISBN-13: 9780521172479

Edition: 2nd 2011 (Revised)

Authors: Yusuf Altintas

List price: $145.95
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Description:

Metal cutting is a widely used method of producing manufactured products. The technology of metal cutting has advanced considerably along with new materials, computers, and sensors. This new edition treats the scientific principles of metal cutting and their practical application to manufacturing problems. It begins with metal cutting mechanics, principles of vibration, and experimental modal analysis applied to solving shop floor problems. Notable is the in-depth coverage of chatter vibrations, a problem experienced daily by manufacturing engineers. The essential topics of programming, design, and automation of CNC (computer numerical control) machine tools, NC (numerical control)…    
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Book details

List price: $145.95
Edition: 2nd
Copyright year: 2011
Publisher: Cambridge University Press
Publication date: 1/16/2012
Binding: Paperback
Pages: 382
Size: 7.00" wide x 10.00" long x 0.75" tall
Weight: 1.782
Language: English

Preface
Introduction
Mechanics of Metal Cutting
Introduction
Mechanics of Orthogonal Cutting
Mechanistic Modeling of Cutting Forces
Theoretical Prediction of Shear Angle
Mechanics of Oblique Cutting
Oblique Cutting Geometry
Solution of Oblique Cutting Parameters
Prediction of Cutting Forces
Mechanics of Turning Processes
Mechanics of Milling Processes
Mechanics of Helical End Mills
Analytical Modeling of End Milling Forces
Mechanistic Identification of Cutting Constants in Milling
Mechanics of Drilling
Tool Wear and Tool Breakage
Tool Wear
Tool Breakage
Problems
Structural Dynamics of Machines
Introduction
Machine Tool Structures
Dimensional Form Errors in Machining
Form Errors in Cylindrical Turning
Boring Bar
Form Errors in End Milling
Structural Vibrations in Machining
Fundamentals of Free and Forced Vibrations
Oriented Frequency Response Function
Design and Measurement Coordinate Systems
Analytical Modal Analysis for Multi-Degree-of-Freedom Systems
Relative Frequency Response Function between Tool and Workpiece
Modal Testing of Machine Structures
Theory of Frequency Response Testing
Experimental Procedures in Modal Testing
Experimental Modal Analysis for Multi-Degree-of-Freedom Systems
Identification of Modal Parameters
Global Nonlinear Optimization of Modal Parameter Identification
Receptance Coupling of End Mills to Spindle-Tool Holder Assembly
Experimental Procedure
Problems
Machine Tool Vibrations
Introduction
Stability of Regenerative Chatter Vibrations in Orthogonal Cutting
Stability of Orthogonal Cutting
Dimensionless Analysis of Stability Lobes in Orthogonal Cutting
Chatter Stability of Orthogonal Cutting with Process Damping
Chatter Stability of Turning Operations
Chatter Stability of Turning Systems with Process Damping
Metal Cutting Forces
Process Damping Gains Contributed by Flank Wear
Stability Analysis
Experimental Validation
Analytical Prediction of Chatter Vibrations in Milling
Dynamic Milling Model
Zero-Order Solution of Chatter Stability in Milling
Multi-Frequency Solution of Chatter Stability in Milling
Chatter Stability of Drilling Operations
Dynamic Drilling Force Model
Frequency Domain Solution of Drilling Stability
Semidiscrete Time Domain Solution of Chatter Stability
Orthogonal Cutting
Discrete Time Domain Stability Solution in Milling
Problems
Technology of Manufacturing Automation
Introduction
Computer Numerically Controlled Unit
Organization of a CNC Unit
CNC Executive
CNC Machine Tool Axis Conventions
NC Part Program Structure
Main Preparatory Functions
Computer-Assisted NC Part Programming
Basics of Analytical Geometry
APT Part Programming Language
Trajectory Generation for Computer-Controlled Machines
Interpolation with Constant Displacement
Acceleration-Limited Velocity Profile Generation with Constant Interpolation Period
Jerk-Limited Velocity Profile Generation
Real-Time Interpolation Methods
Linear Interpolation Algorithm
Circular Interpolation Algorithm
Quintic Spline Interpolation within CNC Systems
Problems
Design and Analysis of Cnc Systems
Introduction
Machine Tool Drives
Mechanical Components and Torque Requirements
Feedback Devices
Electrical Drives
Permanent Magnet Armature-Controlled dc Motors
Position Control Loop
Transfer Function of the Position Loop
State Space Model of Feed Drive Control Systems
Sliding Mode Controller
Active Damping of Feed Drives
Design of an Electrohydraulic CNC Press Brake
Hydraulic Press Brake System
Dynamic Model of Hydraulic Actuator Module
Identification of Electrohydraulic Drive Dynamics for Computer Control
Digital Position Control System Design
Problems
Sensor-Assisted Machining
Introduction
Intelligent Machining Module
Hardware Architecture
Software Architecture
Intelligent Machining Application
Adaptive Control of Peak Forces in Milling
Introduction
Discrete Transfer Function of the Milling Process System
Pole-Placement Control Algorithm
Adaptive Generalized Predictive Control of Milling Process
In-Process Detection of Tool Breakage
Chatter Detection and Suppression
Intelligent Pocketing with the IMM System
Problems
Laplace and 2 Transforms
Introduction
Basic Definitions
Partial Fraction Expansion Method
Partial Fraction Expansion Method to Determine Inverse Laplace and z Transforms
Off-Line and On-Line Parameter Estimation with Least Squares
Off-Line Least-Squares Estimation
Recursive Parameter Estimation Algorithm
Bibliography
Index