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Preface; Contents; Introduction; Abstract; 1 General Introduction; Abstract; 1.1 Introduction of the Cold Rolling Precision Forming Technology; 1.2 Present Situation of Shaft Part Manufacturing Technology; 1.2.1 Cutting of the Spline Shafts; 1.2.1.1 Cutting with Formed Cutter; 1.2.1.2 Generating Cutting Method; 1.2.2 Plastic Forming of Spline Shafts; 1.2.2.1 Cold Extrusion Forming of the Spline Shafts; 1.2.2.2 Cold Rolling Forming of Spline Shafts; 1.2.2.3 Striking Rolling of the Spline Shafts; 1.2.2.4 Cold Rolling Forming of Spline Shafts with Rack Dies.

1.2.2.5 Cold Rolling Forming of Spline Shafts1.2.3 Manufacturing Methods of Thread Components; 1.3 Research Progress on the Cold Rolling Precision Forming Technology of Shaft Parts; 1.3.1 The State of the Art on the Manufacturing of Spline Shafts; 1.3.2 Theoretical Researches on the Cold Rolling Forming of Spline Shafts; 1.3.3 Surface Modification of the Cold Rolling Forming Spline Shafts; 1.3.4 Development Status on Cold Rolling Forming of Threads; 1.4 Development Trends on Cold Rolling Precision Forming Technology of Shaft Parts; References.

2 Principle and Mechanical Analysis on the Cold Rolling Precision Forming of SplineAbstract; 2.1 Principle and Process on the Cold Rolling Precision Forming of Spline Shafts; 2.2 Mechanical Analysis; 2.3 Analysis on the Cold Rolling Forming Process of the Spline Tooth; 2.3.1 Indexing and Biting Conditions [6]; 2.3.2 Rotating Conditions; 2.3.3 Geometrical Indexing Conditions; 2.4 Double-Flank Non-backlash Meshing; 2.4.1 Contact Area in the Forming Process; 2.4.2 Position of the Contact Points; 2.4.2.1 Position of the Contact Point on the Bilateral Tooth Surfaces of the Spline.

2.4.2.2 The Position Parameters of the Contact Point on the Rollers2.5 Sliding of the Contact Point; 2.5.1 Sliding Motion of the Contact Point on the Active Tooth Flank; 2.5.2 Sliding Motion of the Contact Point on the Driven Tooth Flank; 2.5.3 Metal Flow on the Tooth Surface of the Workpiece; 2.6 Mechanical Analysis on the Cold Rolling Precision Forming of Spline; 2.6.1 Basic Assumption of the Stress Analysis; 2.6.2 Fundamental Plastic Forming Theory of Stress Analysis; 2.6.2.1 Fundamental Equation of the Plane Strain; 2.6.2.2 Yield Criteria; 2.6.2.3 The Strengthening Model.

2.6.2.4 The Slip-Line Stress Field Theory2.6.3 Slip-Line Field and Stress Analysis in the Initial Rolling Stage; 2.6.4 Slip-Line Field and Stress Analysis in the Stable Rolling Stage; 2.7 Average Pressure on the Contact Surface During the Forming Process; References; 3 Process Parameters in the Cold Rolling Forming of Spline; Abstract; 3.1 Contact Area in the Cold Rolling Forming of Spline Shafts; 3.1.1 Calculation Model; 3.1.2 Tooth Profile Equation of the Roller and the Workpiece in the Forming Process; 3.1.2.1 Tooth Profile of the Roller; 3.1.2.2 Tooth Profile of the Workpiece.

This book presents in detail the theory, processes and equipment involved in cold rolling precision forming technologies, focusing on spline and thread shaft parts. The main topics discussed include the status quo of research on cold rolling precision forming technologies; the design and calculation of process parameters; the numerical simulation of cold rolling forming processes; and the equipment used in cold rolling forming. The mechanism of cold rolling forming is extremely complex, and research on the processes, theory and mechanical analysis of spline cold rolling forming has remained very limited to date. In practice, the forming processes and production methods used are mainly chosen on the basis of individual experience. As such, there is a marked lack of both systematic, theory-based guidelines, and of specialized books covering theoretical analysis, numerical simulation, experiments and equipment used in spline cold rolling forming processes - all key points that are included in this book and illustrated using tables, 3D photographs and formula derivations.