Senin, 01 Desember 2014

! Free PDF Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

Free PDF Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

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Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

Computer Numerical Control: Machining and Turning Centers, by Robert Quesada



Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

Free PDF Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

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Computer Numerical Control: Machining and Turning Centers, by Robert Quesada

For introductory courses in CNC manufacturing technology and machine technology.

This superbly detailed and illustrated text clearly defines, explains and illustrates the basics of CNC machining centers and CNC turning machines. The volume sufficiently identifies, outlines and explains all the important fundamentals of control components, control operations, machine operation functions, and setup methods and procedures. It provides hands-on experience with a straightforward step-by-step methodology that is easy to understand and illustrates the main components and characteristics that are associated with each CNC machine type.

  • Sales Rank: #102184 in Books
  • Brand: Quesada, Robert
  • Published on: 2004-05-28
  • Original language: English
  • Number of items: 1
  • Dimensions: 10.70" h x 1.20" w x 8.20" l, 2.54 pounds
  • Binding: Paperback
  • 560 pages

From the Back Cover

This book was developed to introduce students and machining professionals to the basic operations and methods of computer numerical control (CNC) technology. It provides a solid foundation for future advanced design and programming study.

Intended for readers with diverse backgrounds, concepts are presented using an applied, hands-on, step-by-step methodology, which is easy to understand and follow. Using generic examples not tied to a particular brand, coverage includes CNC set-up, operation, tooling, program structure, and machining processes. In addition, reviews of mathematics, blueprint reading, and metrology are included as needed.

Some of the key features include:
  • Safety issues are emphasized throughout the text.
  • Useful and effective illustrations visually support the explanations and program samples.
  • Readers are shown how to understand the format and concepts of CNC programs.
  • G-Codes, M-Codes, and the various other letter address codes are all discussed, in addition to operational codes, such as tool changing, offsets, spindles speed, coolant, and program stops.
  • CNC machine types, toolholders, cutting tools, and workholding devices are fully covered.

Excerpt. © Reprinted by permission. All rights reserved.

This textbook was developed to introduce the student to the basics of CNC technology, and to prepare him or her for future CNC machining and programming courses that may follow. Included is related tooling data, machining data, shop mathematics, and CNC machine and control information. Computer Numerical Control clearly distinguishes between CNC machining centers and CNC lathes and will prepare students exceptionally well for CNC machining in each respective area.

First and foremost, this textbook is intended for students with diverse backgrounds. This includes students just out of high school, or students who may have had some training in industry or in the military. These students may just be beginning alternative or second careers. Other students may already be regular employees or trainees in industry. They may need to learn CNC machining in order to improve their skills as a programmer-operator. They all need a timely but meaningful introduction to CNC. Although there is no prerequisite to this book, it is always helpful to have some minimal exposure to CNC machine tools in the workplace.

This book was written because existing books either assume that the reader has extensive knowledge of CNC or are too specialized for a complete understanding of CNC technology. Other books tend to use examples that put too much emphasis on a specific machine, or may concentrate on one part of CNC, such as machine control or programming. These books may be too theoretical or verbose, may include material that is not work oriented, or may not fully provide students a hands-on experience with the knowledge and skills they need to get started on the job.

The pedagogical approach in this book is to stress hands-on application over theoretical material. It applies a step-by-step method that is straightforward, usable, and easy to understand. Because numerous machine tool brands exist, it presents generic examples and illustrations of their common characteristics, including CNC setup, operation, tooling, program structure, and machining. After introducing each of these areas, the book shows how they are intertwined in typical CNC machining centers and CNC lathes. These generic examples give students to-the-point coverage of what they need to know (without material that is just nice to know) to get up and running on the job—efficiently, productively, and safely.

Several chapters include CNC program samples that the student will learn to read block by block. The program examples progress in a spiral fashion. This gives students a good understanding of the unit just completed, making the next unit easier to undertake. Some students may have had courses in mathematics (including trigonometry), blueprint reading, and metrology, as well as other machining-related courses, while others may need a review of these materials. Therefore, these topics coupled with data from the appendixes will be brought into the coverage as needed.

This textbook, then, provides a learning tool that can be used in both educational and in-plant training environments. In education, it will certainly help students develop a better understanding of all the components that make up CNC machining technology. Whenever possible, it is recommended that a CNC laboratory component be included with this course. This will give the student a greater understanding of the material covered in the textbook.

This text material and the methodology have been class tested at Milwaukee Area Technical College (MATC) in the CNC machine-related programs. Feedback was obtained from students, teachers, and employers who subsequently employ these students. After reading this book students, regardless of their background and institutional affiliation, will have a fundamental understanding of CNC technology, CNC terminology, and CNC machine and control operations, and will be able to decipher CNC programs.

Distinguishing Features
  • An initial and overall emphasis is placed on safety.
  • Each unit begins with objectives that clearly identify the unit expectations.
  • Useful and effective illustrations visually support the explanations and program samples.
  • Students are not directed to create CNC programs, but rather to understand the format and concepts of CNC programs.
  • A focus is placed on G codes, M codes, and the various other letter address codes. This also will prepare students who will study CAM system courses because CNC downloads are typically in those formats.
  • A focus is placed on operational-type codes such as tool changing, offsets, spindle speed, coolant, and program stops.
  • Summary learning tables and charts are included for easy reference.
  • CNC machine types and components are clearly described and illustrated.
  • CNC toolholders and cutting tools are clearly described and illustrated.
  • CNC workholding devices and setup methods are clearly described and illustrated.
  • CNC control features and operations are clearly described and illustrated.
  • Related technical data such as shop mathematics, feedrate, spindle speed, surface finish, material types, cutter inserts, and geometric dimensioning and tolerancing are linked to the overall CNC process.
  • The appendixes and glossary contain valuable and pertinent CNC and machining-related information.

Most helpful customer reviews

1 of 1 people found the following review helpful.
Textbooks on Amazon
By washgirl
This is a text book for a class. Was received in good condition in a timely manner. I am happy with the book and the service.

0 of 0 people found the following review helpful.
My CNC book by Robert Quesada.
By jaime zamora alvarado
This book like reading very often, since the first pages until the last ones.
On my journey, I undestand and appreciate the great effort that Robert made for writing this book.
From my particular point of view, this item is best on your kind,. I telling you, please buy one and enjoying reading its examples and exercises that Robert wrote.

Jaime Z.
February 15, 2014

0 of 0 people found the following review helpful.
The CNC Programming Handbook by Peter Smid is by far the best. Get that one
By Chris
Same stuff that has been around for free on the net forever... The CNC Programming Handbook by Peter Smid is by far the best. Get that one.

See all 6 customer reviews...

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