Fundamentals of machining processes : conventional and by Hassan Abdel-Gawad El-Hofy
By Hassan Abdel-Gawad El-Hofy
Completely revised and up-to-date, this moment variation of Fundamentals of Machining tactics: traditional and Nonconventional approaches covers the basics machining by way of slicing, abrasion, erosion, and mixed methods. the hot version has been extended with extra chapters protecting the concept that of machinability and the roadmap for choosing machining techniques that meet required layout specification.
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Written by means of knowledgeable with 37 years of expertise in learn and instructing machining and comparable subject matters, this covers machining procedures that diversity from simple traditional steel slicing, abrasive machining to the main complex nonconventional and micromachining procedures. the writer offers the foundations and theories of fabric removing and functions for traditional and nonconventional machining techniques, discusses the function of machining variables within the technological features of every approach, and offers remedy of present applied sciences in excessive velocity machining and micromachining.
The therapy of the various matters has been built from simple ideas and doesn't require the information of complicated arithmetic as a prerequisite. A primary textbook for undergraduate scholars, this publication comprises machining info, solved examples, and assessment questions that are important for college students and production engineers.
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Extra resources for Fundamentals of machining processes : conventional and nonconventional processes
Example text
Conventional methods of micromachining utilize fixed and controlled tools that can specify the profile of 3D shapes by a well-designed tool surface and path. These methods remove material in amounts as small as tens of nanometers, which is acceptable for many applications of micromachining. The volume or size of the part removed from the workpiece, in mechanical methods, termed as the unit removal, consists of the feed pitch, depth of cut, and the length that corresponds to one chip of martial cut.
Of WP Cutting forces, power Selection of MP Geom. of product Tool material Tool geometry Cutting param. Hold. 15 Variables of a machining process. Machining process (MP) Surface finish Tool failure Economy of MP Ecolog. Output (dependent) variables • Cutting force and power. Cutting force influences deflection and chattering; both affect part size and accuracy. The power influences heat generation and consequently tool wear. • Geometry of finished product, thus obtaining a machined surface of desired shape, tolerance, and mechanical properties.
5 Show the general classification of the machining processes. 6 Using sketches, show the different modes of metal-cutting processes. 7 State the main limitations of traditional machining methods. 8 What are the advantages offered by nontraditional machining processes? 9 Give examples for abrasion machining using loose and bonded abrasives. 10 Using diagrams, show the main types of erosion machining. 11 Name the important factors that should be considered during the selection of an unconventional machining process for a certain job.