Metal Forming Tool Profile and Flow-Lathe-Mill-Model-OG - eBay Media, Metalworking, Metalworking, Woodworking, Business, Industrial. (end time 13-Nov-09 20:24:46 AEDST)


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Used

You’re Shrewd book investment is titled

” Metal Forming “

By Blazynski. Printed in 1976

Hard cover book consisting of 379 pages and all accounted. Library markings on front and rear cover pages. Binding is in excellent condition.

METAL FORMING

Tool Profiles and Flow

T. Z. BLAZYNSKI

Dept. of Mechanical Engineering, University of Leeds

Contents

Preface PART I GENERAL ANALYSIS Chapter 1 Introduction			vii
1.1 Metal-forming processes			3
1.2 Types and nature of deformations			4
1.3 Friction and inhomogeneity			6
1.4 Effects of redundant shears			7
Chapter 2 Techniques of Analysis			10
2.1	Stress and strain redundancy factors		10
	2.1.1	General considerations	10
	2.1.2	Yield stress, strain hardening and generalised strain	11
	2.1.3	Evaluation of the factors of redundancy	14
2.2	Analytical stress determination		18
	2.2.1	Introduction	18
	2.2.2	The equilibrium method	19
	2.2.3	The slip-line analysis	20
	2.2.4	Upper-bound technique	24
	2.2.5	Visioplasticity	26
Chapter	3	Experimental Determination of Redundant Deformation
3.1	Introduction		30
	3.1.1	Incrementality	30
	3.1.2	Grids, inserts and laminates	32
	3.1.3	Model materials and prototypes	33
3.2	The use of model materials		33
	3.2.1 Model and prototype similitude		33

x				Contents
3.2.2				Materials and their properties		38
3.2.3				Assessment of mean strain rate		46
3.3 The insert and laminate techniques						56
3.3.1				Preparation of specimens		56
3.3.2				Measurement of redundant shears		57
3.3.3				The effect of homogeneous strain		60
3.3.4				Incremental summation of strain		62
3.4 The grid technique						63
3.4.1 Square and circular grids						63
3.4.2 Applicability to visioplasticity						64
3.4.3 Summation of effects						65
PART II INCIDENCE, PATTERN AND ^'MAGNITUDE OF REDUNDANT DEFORMATION Chapter 4 Classification of Processes						69
4.1 Introduction
4.2 Stress system classification						69
4.3 Some basic industrial processes						71
4.3.1 Rotary operations						71
4.3.2 Drawing operations						80
4.3.3 Extrusion						83
Chapter 5 Redundancy in Rotary Operations						88
5.1		Tube-making processes
		5.1.1		Introduction		88
		5.1.2		Incidence and type of redundant shears		89
		5.1.3		Redundancy factors		90
		5.1.4		Geometry of the processes		93‑
		5.1.5		Mechanics of the processes		101
5.2		Piercing				115
		5.2.1		2 and 3-roll systems		115
		5.2.2		Influence of process parameters		123
		5.2.3		Cavitation		128
5.3		High-ratio tube-elongating processes				133
		5.3.1		Assel elongating		133
		5.3.2		Secondary piercing		137
		5.3.3		Combined piercing-elongating		143
5.4		Triangulation in tube making				149
		5.4.1		The origin, effect and measurement of triangulation		149
		5.4.2		Incidence of triangulation in individual processes		152
Chapter		6		Wire, Rod and Tube Drawing
6.1 Introduction						156
			Contents		xi
6.2 Rod and wire drawing					158
6.2.1			Flow through conical dies		158
6.2.2			Methods of analysis		162
6.2.3			Pass geometry, material properties and redundancy		170
6.2.4			Redundancy and mode of flow		180
6.3 Tube drawing					184
6.3.1			Introduction		184
6.3.2			Analytical treatment		185
6.3.3			Drawing systems and redundancy		200
Chapter 7			Deep Drawing and Stretch Forming		222
7.1	Characteristic features
	7.1.1			Introduction	222
	7.1.2			Drawing of cylindrical cups	223
	7.1.3			Stretch forming	225
7.2	Redundant deformation				227
	7.2.1			Introductory remarks	227
	7.2.2			Flange wrinkling	228
	7.2.3			Bending and unbending	228
	7.2.4			Ironing	229
7.3	Analytical considerations				230
	7.3.1			Introduction	230
	7.3.2			Deep drawing of cylindrical cups	231
	7.3.3			Conventional stretch forming	239
	7.3.4			Dynamic stretch forming	241
7.4	Process parameters and metal flow				246
	7.4.1			Deep drawing of cups	246
	7.4.2			Conventional stretch forming	252
	7.4.3			Dynamic stretch forming	254
Chapter	8			Extrusion
8.1	Introduction				262
8.2	Analytical considerations				264
	8.2.1			Homogeneous and redundant strains	264
	8.2.2			Conventional extrusion	265
	8.2.3			Impact extrusion	270
	8.2.4			Hydrostatic extrusion	276
8.3	Flow and redundancy				280
	8.3.1			General comments	280
	8.3.2			Conventional extrusion of rod	280
	8.3.3			Characteristic features of impact extrusion	287
	8.3.4			Hydrostatic extrusion	294
	8.3.5			Drawing-augmented hydrostatic extrusion of bar	297
	8.3.6			Conventional and hydrostatic extrusion of bimetallic rod	299

xii PART III Chapter 9		Contents TOOL DESIGN Concepts of Tool Design
9.1	Introduction		309
9.2	Some specific design solutions		313
	9.2.1	Rotary operations	313
	9.2.2	Extrusion and drawing	321
9.3	Theoretical design concepts		328
	9.3.1	Deformation and strain-rate concepts	328
	9.3.2	Application to rotary processes	329
	9.3.3	Application to drawing and extrusion	334
	9.3.4	Computer-aided design	339
Chapter 10		Tools and Redundancy	342
10.1	Introduction		342
10.2	Rotary processes		342
	10.2.1	Primary tube-piercing	342
	10.2.2	Assel elongating	347
	10.2.3	Secondary tube-piercing	349
	10.2.4	Combined piercing-elongating	356
10.3	Extrusion		361
	10.3.1	Extrusion of rod	361
	10.3.2	Tube extrusion	362
	10.3.3	Drawing-augmented hydrostatic extrusion of bar	366
10.4	Concluding remarks		368
Author Index			371
Subject Index			374

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Weight = 0.74 kgs

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Preferred payment is direct banking. Consult seller for banking details. Please quote either Ebay item numbers or your ebay user ID as reference. cheers for now. george.(OG)