Proceedings of the Fifteenth International Machine Tool Design and Research Conference

Front Matter....Pages i-vii
Opening Address....Pages 1-3
Front Matter....Pages 5-5
Group Technology Developments and Modes of Application....Pages 7-18
Total Company Appraisal for Group Technology....Pages 19-27
Batch Size Selection for Group Technology....Pages 29-36
The Interaction of NC and GT....Pages 37-43
Some Organizational Aspects of Cellular Manufacture Based on Computer Simulation....Pages 45-54
Front Matter....Pages 55-55
Bclcnc—A Computer Numerical Control System....Pages 57-61
Closed Loop Positioning Control for a DNC-Milling Machine....Pages 63-70
Adaptive Control Constraint and Automatic Cut Distribution System for Turning Operations....Pages 71-78
The Improvement in Accuracy of High Precision Machine Tools by Means of Adaptive Control....Pages 79-87
The Machining-Centre Concept; An Analysis of a Tool-Changing Manufacturing System....Pages 89-96
Nel/mtira Technological Forecast for the Computer Control of Machine Tools....Pages 97-103
Front Matter....Pages 105-105
Combination of CAD and CAM in Machine Tool Manufacture....Pages 107-113
The Application of CAD Techniques to Machine Tool Component Design, Production and Manufacture....Pages 115-119
Automatic Design of Machine Tool Components....Pages 121-128
A New Generalized Concept of Computer Aided Production....Pages 129-134
Computer-Aided Design of Axisymmetric Hot Forging Dies....Pages 135-143
Graph Theory Applied to Computer Aided Plant Layout....Pages 145-152
Front Matter....Pages 153-153
An Analysis of a New Type of High Precision Multiwedge Clearanceless Bearing for Grinding Wheel Spindles....Pages 155-164
Characteristics of Electro-Hydraulic Feed Drives Under Dynamic Load Conditions....Pages 165-174
Front Matter....Pages 153-153
Computer-Aided Design of Standardized Hydrostatic Journal Bearings....Pages 175-183
Front Matter....Pages 185-185
Coolants and Cutting Tool Temperatures....Pages 187-195
Tool Wear or Tool Design....Pages 197-202
Ultra-High-Speed Machining: Notes on Metal Cutting at Speeds up to 7300 Ft/s....Pages 203-208
On Line Measurement of Bending and Torque in Milling....Pages 209-215
Power Hacksawing....Pages 217-225
Optimization of Drill Geometry for Orthopaedic Surgery....Pages 227-233
Front Matter....Pages 235-235
The Dynamic Characteristics of Epoxy Resin Bonded Machine Tool Structures....Pages 237-243
On-Line Identification of Machine Tool Receptances from Cutting Experiments....Pages 245-250
Influence of Lathe Tool Wear on the Vibrations Sustained in Cutting....Pages 251-257
Investigation of Parametric Instability in Milling Simulated by Screw Chasing Operation....Pages 259-265
Elastic Wave Transmission and Reflection in Long Uniform Bars Due to the End Impact of a Rigid Mass....Pages 267-277
Self-Excited Vibration of Circular Saws Cutting Aluminium....Pages 279-285
Front Matter....Pages 287-287
Noise Generation from an Impact Forming Machine Structure....Pages 289-294
Noise Reduction in a Herf Cropping Machine....Pages 295-303
The Effect of Blade Wear on Noise Levels of Power Hacksaws....Pages 305-308
Front Matter....Pages 309-309
Optimization of a Grinding Process and Criteria for Wheel Life....Pages 311-315
The Collection of Data for the Assessment of a Grinding Wheel Dressing Treatment....Pages 317-323
Chattering Phenomena as the Criterion of Redress Life of Grinding Wheel: A Study on the Establishment of Optimum Operational Condition in Precision Grinding of Hardened Steel....Pages 325-332
Finishing and Running-In of Plain Bearings, with an Economic Appraisal....Pages 333-337
Front Matter....Pages 309-309
In-Process Indication of Surface Roughness Using a Fibre-Optics Transducer....Pages 339-347
Performance Analysis of the Stylus Technique of Surface Roughness Assessment: A Random Field Approach....Pages 349-362
Front Matter....Pages 363-363
Conditioning a Diamond-Grit Cup-Wheel for Electrochemical Grinding....Pages 365-372
Electro-Discharge Machined Surfaces....Pages 373-384
Some Effects of Debris Concentration on Erosion and Electrode Wear in Electro-Discharge Machining....Pages 385-390
Investigation of the Modulation of Interface Waves in Explosive Welding....Pages 391-398
Implosive Welding of Composite Metal-Foil Cylinders....Pages 399-405
The Cold Drawing of Implosively Welded Bi-Metallic Tubes....Pages 407-413
Front Matter....Pages 415-415
Transverse Deformation in Section Rolling and Forging....Pages 417-422
A Study on Plastic Working of Alloys in their Mashy State....Pages 423-429
Stress Strain Curves from the Ring Test....Pages 431-436
An Elemental Upper-Bound Technique for General use in Forging Analysis....Pages 437-443
Application of a Modular Approach to Estimate Load and Energy in Closed die Forging....Pages 445-453
The Elevated Temperature Extrusion of Fluted Sections in High-Speed Steels....Pages 455-463
Front Matter....Pages 465-465
Cracking and Fracture of Hot-Work die Steels....Pages 467-472
Die Life Estimation in Forging....Pages 473-478
Wear in Drop Forging Dies....Pages 479-486
The Effect of die Temperature on Metal Flow and die Wear During High-Speed Hot Forging....Pages 487-494
Front Matter....Pages 495-495
Ball Rolling: A Literature Survey and Some Experimental Results....Pages 497-506
Cold Rolling of Ring Gears....Pages 507-513
Front Matter....Pages 495-495
An Experimental Investigation into the S-Mill Rolling Process....Pages 515-521
Front Matter....Pages 523-523
A Preliminary Investigation of the Die-Less Drawing of Titanium and Some Steels....Pages 525-537
A Fundamental Study on Dieless Drawing....Pages 539-544
Theoretical Study of the Drawing of Bi-Metal Rod and Tube....Pages 545-550
An Oscillatory Deep-Drawing Analogue....Pages 551-559
Rigid-Plastic Analysis of Bore Expanding and Flange Drawing with Anisotropic Sheet Metals by the Matrix Method....Pages 561-569
Tube Inversion: A Process for Obtaining Gross Expansions in the Diameter of Thin-Wall Tubes....Pages 571-576
Front Matter....Pages 577-577
The Strength of the Material in Cold Formed Parts....Pages 579-583
The Development of a Cold Forming Process on an Automatic High-Speed Forming Machine....Pages 585-596
Forward Cold Extrusion of Aluminium—Estimation of the Maximum Extrusion Force....Pages 597-602
Rigid-Plastic Analysis of Cold Heading by the Matrix Method....Pages 603-610
Production of Crankshafts by Clamp Shearing....Pages 611-616
Analysis of Stresses in Bar Cropping....Pages 617-624
Front Matter....Pages 625-625
The Dynamic Compaction of Aluminium and Iron Powder....Pages 627-636
The Hot Extrusion of Metal Powder Preforms....Pages 637-643
Plasticity of Sintered Iron-Powder Compacts....Pages 645-650
The Effect of Presintering Conditions on the Cold Forgeability of Powder Preforms....Pages 651-658
The Production of Extruded Material from Metal Powders....Pages 659-667
Comparison Between Uniaxial and Isostatic Densified Stainless-Steel Powder Preforms Forged in a Closed Die....Pages 669-676
Powder Compaction at Very High Pressures....Pages 677-681
Front Matter....Pages 683-683
Strong Composites Based on All-Metal Systems....Pages 685-694
Characteristic Features in the Hole Flanging and Piercing of Thin and Thick Circular Plates Using Conical and Ogival Punches....Pages 695-701
The Influence of Hydrostatic Pressure on the Plastic Deformation of Metallic Materials....Pages 703-712
The Toughness of M2 High-Speed Steel....Pages 713-719
Analysis of Large, Natural Strain Increments Using the Mohr’s Circle....Pages 721-728
Smooth Hole Wall Piercing in the Manufacture of Precision Mechanisms....Pages 729-734
Back Matter....Pages 735-738