Proceedings of the Thirteenth International Machine Tool Design and Research Conference

Front Matter....Pages i-xi
Front Matter....Pages 1-1
Prediction of Dynamic Cutting Coefficients from Steady-State Cutting Data....Pages 3-12
The Interrelationship of Shear and Friction Processes in Machining Under Regenerative Chatter Conditions....Pages 13-18
The Reliability of the C.I.R.P. Calibrating Rig for Testing Machine Tools....Pages 19-23
Application of Aperiodic Test Signals to the Measurement of the Dynamic Compliance of Machine Tools....Pages 25-29
A Response Prediction and Optimisation of a Frictionally Damped Structure....Pages 31-38
Effect of Feedmotion During Dynamic Tests on the Chatter Prediction of a Lathe....Pages 39-45
The Impact Damper Boring Bar and Its Performance When Cutting....Pages 47-51
Front Matter....Pages 53-53
A Finite Element Program System and Its Application for Machine Tool Structural Analysis....Pages 55-60
Experimental Study of the Normal Static Stiffness of Metallic Contact Surfaces of Joints....Pages 61-66
Calculating the Elastic and Plastic Components of Deflection of Joints Formed from Machined Surfaces with Flatness Errors....Pages 67-73
The Damping Effect of Joints Formed from Machined Surfaces — The State of the Art....Pages 75-77
Some Static and Dynamic Characteristics of Bonded, Machined Joint Faces....Pages 79-86
Review of the Research on Fixed and Sliding Joints....Pages 87-97
The Friction and Wear of Plastics, with Special Reference to Machine Tool Slideways....Pages 99-105
The Dynamic Stiffness of Antifriction Roller Guideways....Pages 107-112
Optimisation of Hydrostatic Slideways Including Structure Elasticity....Pages 113-117
Design of Hydrostatic Bearings for Exacting Applications....Pages 119-124
A Measuring System for the Evaluation of Spindle Rotation Accuracy....Pages 125-131
Front Matter....Pages 133-133
Conditions for the Introduction of Group Technology....Pages 135-139
Computer Control of Machine Tools....Pages 141-144
Front Matter....Pages 133-133
A Low-Cost Hardware Interpolation System for DNC....Pages 145-147
The Design of an Operator Panel for On-Line Computer Control of Machine Tools....Pages 149-151
The Modular Concept in Computer Numerical Control....Pages 153-159
A Conversational Mode for Direct Numerical Machine Tool Control....Pages 161-166
Small and Mini Languages in Numerical Control....Pages 167-170
Programming a Point-To-Point NC Machine for Contouring Operations....Pages 171-176
The Optosyn Numerical Control System....Pages 177-181
A Stepping Motor Drive Assembly Especially Designed for CNC Systems....Pages 183-190
Quality Control by Using Automatic Inspection Procedure....Pages 191-198
A Method of Analysing the Logic Design of Pneumatic Sequential Circuits....Pages 199-205
Front Matter....Pages 207-207
Effect of Strain-Rate Sensitivity on Scale Phenomena in Chip Formation....Pages 209-216
Design and Preliminary Results from an Experimental Machine Tool Cutting Metals at up to 8,000 Feet Per Second....Pages 217-223
An Investigation of the Performance of a Quick-Stop Device for Metal Cutting Studies....Pages 225-231
The Accurate Determination of Cutting Forces....Pages 233-239
Some Effects of Drill Point Shape on the Chisel Edge Contribution to Cutting Forces....Pages 241-244
The Profile of a Helical Slot Machined by a Disc-Type Cutter with an Infinitesimal Width, Considering Undercutting....Pages 245-246
Stress Analysis of Segmented Circular Sawblades....Pages 247-252
A Study on Recrystallisation in Metal Cutting by Fourier Analysis....Pages 253-259
Tool-Life Testing by Response Surface Methodology Coupled with a Random Strategy Approach....Pages 261-266
Front Matter....Pages 267-267
Relationship Between Wheel Characteristics and Operating Problems in High-Production Precision Grinding....Pages 269-275
Front Matter....Pages 267-267
Surface Grinding with High Wheel Speeds and Metal Removal Rates....Pages 277-282
Grinding Force Predictions Based on Wear Theory....Pages 283-289
Size Effects in Abrasive Processes....Pages 291-296
‘Apparent’ Run-Out of the Grinding Wheel Periphery and Its Effect on Surface Topography....Pages 297-302
Correlation Analysis of the Structure of a Ground Surface....Pages 303-306
Influence of the Abrasive Grain on the Surface Integrity of High Speed Steel....Pages 307-311
Front Matter....Pages 313-313
Peripheral Electrochemical Grinding with a Formed Wheel....Pages 315-321
Dynamic and Geometric Aspects of Vertical Spindle ECG....Pages 323-329
Residual Stresses and Surface Effects in Electro-Discharge Machining....Pages 331-338
Front Matter....Pages 339-339
The Effect of Impact Speed and Lubricant in Hot Forging: Part 1. Interface Friction and Die Cavity Pressure....Pages 341-346
The Effect of Impact Speed and Lubricant in Hot Forging: Part 2. Metal Flow and Forging Loads....Pages 347-350
The Effects of Temperature and Speed on the Warm Extrusion of Steel....Pages 351-355
Mechanical Properties of Mild Steel after Cold and Warm High-Speed Forging....Pages 357-362
Dynamic Effects in High-Velocity Compression Testing....Pages 363-369
Application of a Computer Simulation Technique to Estimate Load and Energy in Axisymmetric Closed Die Forging....Pages 371-381
Hot Kinetic Forming of Metals....Pages 383-387
High-Velocity Hydrostatic Extrusion — A Feasibility Study....Pages 389-399
Front Matter....Pages 401-401
The Design and Analysis of Explosive Forming Thin Shell Dies....Pages 403-408
An Investigation of the Edge Pullin in Explosively-Formed Domes....Pages 409-417
The Radial Piston Approach to the Explosive Autofrettage of Thickwalled Forging Dies....Pages 419-426
Front Matter....Pages 401-401
Investigations on the Accuracy of Reproduction of Electrohydraulic Forming and Development of an Electrohydraulic Forming Machine....Pages 427-432
Front Matter....Pages 433-433
High-Speed Compaction of Metal Powders....Pages 435-440
Impulse Compacting of Powder Materials....Pages 441-447
Preliminary Investigations of the Cold Extrusion of Powder Preforms....Pages 449-453
On the Cold Forging of Sintered Iron Powder Preforms....Pages 455-461
The Production of Components by Forging of Powder Preforms....Pages 463-469
The Interrelation of Density and Hardness in the Isostatic Compaction of Powders....Pages 471-478
Front Matter....Pages 479-479
Plastic Compression of Rectangular Blocks Between Two Parallel Platens....Pages 481-490
Mechanics of Plane-Strain Deep Indentation with Flat Punches....Pages 491-499
A Theoretical Study of Tube Drawing with a Floating Plug....Pages 501-508
Deformation and Its Rate as Two Concepts of Design of Tools for the Secondary Tube-Piercing Operation....Pages 509-514
An Experimental Investigation of the Sandwich Rolling of Thin Hard Sheets....Pages 515-518
Flatness of Sheet and Strip in Cold Rolling....Pages 519-526
A New Concept in Sheet Metal Forming Lubrication....Pages 527-534
Characteristics of Forging Presses: Determination and Comparison....Pages 535-545
An Experimental Wide Ring Rolling Mill of Novel Design....Pages 547-553
Investigation into the Possibilities of Testing Lubricants for Cold and Warm Extrusion of Steel....Pages 555-558
Observation of New Physical Properties of Zinc-Aluminium and Tin-Lead Superplastic Alloys....Pages 559-563
The Necking of Cylindrical Bars Under Lateral Fluid Pressure....Pages 565-569
Back Matter....Pages 571-573