Proceedings of the Twentieth International Machine Tool Design and Research Conference: Sub-Conference on Electrical Processes

Front Matter....Pages i-xii
Front Matter....Pages 1-1
Interactive Design and Manufacture of Sculptured Surfaces Using the B-Spline Approach....Pages 3-15
The Duct System of Design and Manufacture for Patterns, Moulds and Dies....Pages 17-23
An Experimental Study of Computer Controlled Shear Spinning....Pages 25-28
Progress in the Computer Aided Design and Manufacture of Hot Forging Dies....Pages 29-38
Approximate Methods for the Calculation of Loads and General Flow Patterns When Forging Real Materials....Pages 39-49
Metal Flow Prediction in Forging and Extrusion Using Ubet....Pages 51-59
Closed Die Forging of Axisymmetric Shapes from Cylindrical Billets of Strain Hardening and Strain Rate Sensitive Material: Experimental Results and Theoretical Predictions....Pages 61-66
Front Matter....Pages 69-69
Study of Metal Forming in the Mashy State 1st Report: Flow Stress and Deformation Behaviour of Alloys in Mashy State....Pages 71-78
Study of Metal Forming in the Mashy State 2nd Report: Extrusion of Tube, Bar and Wire of Alloys in Mashy State....Pages 79-86
Hot Hydrostatic Extrusion of Steel....Pages 87-92
A Study of the Process of Extrolling....Pages 93-102
The Production of a Tungsten Copper Pseudoalloy by Mechanical Alloying Using an Unusual Small Volume Attritor and Liquid Phase Sintering....Pages 103-110
Front Matter....Pages 111-111
Strain Distribution and Friction Along the Mandrel in the Hydrostatic Extrusion-Drawing of Tubes....Pages 113-117
Characteristic Features in the Incremental Extrusion of Short Slugs of Composite Materials through Square Dies....Pages 119-131
Effects of Heat Treatment, Surface Coating and Lubricant on Forces in a Cold Extrusion Process....Pages 133-139
An Analysis of Plug Chatter in Fixed and Floating Plug Tube Drawing....Pages 141-148
An Upper Bound Approach for the Direct Drawing of Square Section Rod from Round Bar....Pages 149-156
An Examination of Frictional Boundary Conditions and their Effect in an Elastic-Plastic Finite Element Solution....Pages 157-163
Front Matter....Pages 165-165
Spread During Hot-Rolling of an Aluminium-Magnesium Alloy and Development of Edge Profile....Pages 167-172
A Split-Type Roll form Device for Measurement of Roll Pressure Distribution in Rolling Unsymmetrical Turbine Blade Shaped Sections: Some Experimental Results....Pages 173-183
Front Matter....Pages 165-165
The Effects of Crack Propagation in the Production of Small Walled Blanks in Conventional Presses....Pages 185-194
Cropping Billets with Low Aspect Ratios....Pages 195-202
Dynamic Stress and Strain Propagation through One Dimensional Elastic-Plastic Solid Materials....Pages 203-209
A General Method for Computing Plane Strain Plastic Flows....Pages 211-216
Front Matter....Pages 217-217
The Mechanics of Longitudinal Rolling of Tube through Grooved Rolls....Pages 219-228
A Plane-Strain Analogue for the Extrusion of Sintered Billets....Pages 229-237
Press Formability of Face-Centred Cubic Metals at Cryogenic Temperatures....Pages 239-246
Factors Affecting the External Surface Finish During the Spin-Forging of Commercially Pure Aluminium Sheet Metal Cones....Pages 247-253
Preventing Aluminium from Sticking to Pressure Die-Casting Dies....Pages 255-258
An Examination of the Relative Shielding Effectiveness of Clamped Elliptical Diaphragms....Pages 259-265
Front Matter....Pages N1-N1
Computer Aided Determination and Optimization of Cutting Data and Cutting Time....Pages 267-274
Computer Aided Design of Hobs for Gear Manufacture of the Worm Gear Drive with Ground Worm....Pages 275-288
Set-Up Procedure to Generate Spiral Bevel Gears by Computer Aided Manufacturing Techniques....Pages 289-295
Microcomputer Control of a General Purpose NC Drill for Printed Circuit Boards....Pages 297-302
Problems in the Use of Rational Cubic Curves for Computer Aided Design....Pages 303-310
Front Matter....Pages 311-311
Estimated Cutting Temperatures—Their Use as a Predictor of Tool Performance When Machining Plain Carbon Steels....Pages 313-320
Prediction of the Cooling Action of Water on Temperature Distribution in Orthogonal Machining....Pages 321-327
Analysis of Carbide Tool Performance in Intermittent Cutting....Pages 329-335
Machinability of Aluminium-Silicon Pressure-Die-Cast Alloys....Pages 337-344
The Use of a Weighing Method to Determine a Tool Wear Algorithm for End-Milling....Pages 345-349
Front Matter....Pages 311-311
Development of a Fibre Optic Sensor for in Process Measurement of Tool Flank Wear....Pages 351-360
Experimental Investigations into Hard-Rock Removal Processes Using a Segmental Diamond Wheel....Pages 361-371
Front Matter....Pages 373-373
The Design and Development of Creep Feed Grinding Machine and Wheel and their Optimal Utilization in View of Workpiece Burning....Pages 375-382
The Application of Continuous Dressing in Creep Feed Grinding....Pages 383-390
Characterization of Wheel Wear in High Depth of Cut Grinding....Pages 391-398
Centerless Grinding of Both Cylindrical and Thrust Surfaces....Pages 399-404
In-Process Control of Size of a Ground Component....Pages 405-411
Assessment of Grinding Wheel Performance by Analysing the Distribution of Abrasive Particles....Pages 413-418
Front Matter....Pages 419-419
Machine Tool Foundations—A Dynamic Design Method....Pages 421-427
Materials for Machine Tool Structures....Pages 429-434
Optimization of Functional Properties of Machine Tool Structures—a Finite Element Analysis....Pages 435-442
Damping Mechanism of a Bolted Joint in Machine Tools....Pages 443-448
A New Concept of Cutting Marks Formation in Metal Cutting Vibration....Pages 449-457
Numerical Controlled Dressing of Profile Grinding Wheels....Pages 459-469
Adaptively Controlled Surface Roughness and Roundness During Grinding....Pages 471-478
A Study of Precision Thread Grinding Using a New Feedback System....Pages 479-483
A Copying System for Low Batch Quantity Hydraulic Metal Spinning....Pages 485-492
A Study of Air Drop Hammer Dynamics....Pages 493-497
Criteria for the Selection and Financial Justification on N.C. Turning Machines....Pages 499-506
Front Matter....Pages 507-507
Design of GT Based Cell System of Manufacture for Fasteners....Pages 509-516
Front Matter....Pages 507-507
A Contribution to Scheduling for Minimum Overall Cost in Cell Manufacture....Pages 517-523
The Use of Similarity Coefficients and Cluster Analysis in Production Flow Analysis....Pages 525-531
Computer Aided Scheduling for Manufacturing Systems Affected by Workforce Fluctuation: a Stochastic Approach....Pages 533-539
Multi-Machining Studies by Computer Simulation for Production Planning....Pages 541-546
Front Matter....Pages 547-547
Practical N.C. Continuous Wire E.D.M. Machines....Pages 549-555
Some Characteristics of Wire Electrode EDM....Pages 557-565
Detail Transfer in EDM Finishing....Pages 567-573
Electro-Discharge Sinking—Development of an AC System Composed of Subcontrol Loops....Pages 575-581
Selection of Optimal Working Conditions in EDM....Pages 583-590
Automation of the EDM Process....Pages 591-598
Front Matter....Pages 599-599
State of the Art of Electron Beam Technology for Metal Removal, Welding and Heat Treatment Processes....Pages 601-605
The Production of Porous Ferrous Components by Extensions of the High Voltage Discharge Forming Process....Pages 607-612
Electro-Chemical Deburring....Pages 613-616
Computation and Verification of Workpiece Shape in Electrochemical Machining....Pages 617-624
The Basic Investigation of Characteristic in the Pulse Electrochemical Machining....Pages 625-630
An Analysis of Electrochemical Wire Cutting Process Using Finite Element Technique....Pages 631-636
Back Matter....Pages 637-638