CNC Machining Technology

This is the third volume of three which will give the reader an insight into the current state of CNC technology with a focus on practical applications. This volume deals with CNC programming. It has been written in conjunction with a major European supplier of controllers in order to give the reader a more consistent and in-depth understanding of the logic used to program such machines. It explains how why and where to program specific features of a part and how to build them up into complete programs. Thus, the reader will learn about the main aspects of the logical structure and compilation of a program. Finally, there is a brief review of so me of the typical controllers currently available from both universal and proprietary builders. The author draws on his extensive experience as a practitioner and teacher. The text is thoroughly practical in character and generously illustrated with diagrams and photographs.

1 The Development and Design of CNC Machine Tools.- 1.1 Historical Perspective - the Early Development of Numerically Controlled Machine Tools.- 1.2 The Economics of CNC.- 1.3 The Design and Construction of CNC Machine Tools.- 1.4 Principles of Control.- 1.5 Measuring Systems for Machine Tool Path Determination.- 1.6 A Review of Typical CNC Machine Tool Configurations.- 2 Cutting Tool Technology.- 2.1 Introduction.- 2.2 Tooling - the Key to Prompt, Productive Operations.- 2.3 Basic Guidance in Determining a Toolings Set-up.- 2.4 Cutting Tool Materials.- 2.5 Insert Cutting Tool Geometries and their Selection.- 2.6 Cutting Tool Diversity - a Review.- 2.7 Modular Quick-change Tooling.- 2.8 Tool and Workpiece Monitoring Systems.- 2.9 Tool Management.- 3 Cutting Fluids.- 3.1 Introduction.- 3.2 Stock Removal Processes.- 3.3 Types of Cutting Fluids.- 3.4 Choosing the Right Cutting Fluid.- 3.5 Handling and Use of Cutting Fluids.- 4 Workholding Technology.- 4.1 Introduction.- 4.2 Turning Centre Workholding Techniques.- 4.3 Advanced Workholding Methods on Turning Centres.- 4.4 Programmable Steadies - their Role in Workholding.- 4.5 Workpiece Delivery to Stand-alone Turning Centres.- 4.6 Part-catchers.- 4.7 Machining Centre Workholding Techniques.- 4.8 Workpiece Delivery Systems to Turning and Machining Centres.- 4.9 Computerised Workholding Techniques - the Philosophy behind the Applications.- 5 CNC Controllers and Programming Techniques.- 5.1 Introduction.- 5.2 CNC Controllers - a Review.- 5.3 The Sequence Used to Generate Part Programs.- 5.4 The Fundamentals of CNC Programming.- 5.5 High-speed Milling Fundamentals.- 5.6 High-speed Turning Operations.- 5.7 Reverse Engineering - an Overview of Digitising on Machining Centres.- 5.8 Computer-aided Design and Manufacture.- 6 Current Developments in Flexible Manufacturing Cells and Systems, Leading to Complete Computer Integrated Manufacture.- 6.1 Introduction.- 6.2 The Importance of Logistics in a Flexible Manufacturing Environment, its Feasibility and Simulation during the Development.- 6.3 Flexible Manufacturing Cell and System Configurations.- 6.4 Condition Monitoring of Untended Plant: FMC/S and CIM Installations.- 6.5 The Monitoring Systems Necessary for High Part Quality During Untended Machining.- 6.6 Automated Auxiliary Equipment Necessary to Ensure Accurate Quality Assurance in an FMC/S Facility.- 6.7 Computer Integrated Manufacture (CIM) in the Automated Factory - a Case Study.- 6.8 Present and Future Trends in Turning and Machining Centre Development.- Appendix National and International Machine Tool Standards.- Glossary of Terms.- Selected Bibliography.- Company Addresses.