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Cold stamping die process and design

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Cold stamping die technology and design Publication time: 2010 Edition Introduction This textbook is based on the summary of the teaching reform experience of the mold specialty in various vocational colleges in recent years, combined with the characteristics of vocational education and the actual application of engineering technology applied talents in the cold stamping specialty. Written as needed. This textbook highlights the adaptation to the teaching requirements of vocational colleges in terms of content selection. Theoretically, it takes "necessary and sufficient" as the degree. From the actual point of view, it focuses on practicality and professional skills training, and focuses on the coordination and interconnection of teaching content , Reflects the applicability of teaching, while focusing on introducing new processes and new technologies for the development of the mold industry. This teaching material can be used as a teaching material for vocational college mold majors and related majors such as machinery and numerical control. It can also be used as a reference for engineering and technical personnel engaged in mold design and manufacturing.
Chapter 1 Basic Knowledge of Cold Stamping
1.1 Cold stamping concept and application
1.2 Cold stamping characteristics
1.3 Development Trend of Cold Stamping Technology Topic 2 Cold stamping process, cold stamping terms and common cold stamping die standards
2.1 Basic process of cold stamping
2.2 Cold stamping terms
2.3 Classification of Cold Dies and Parts of Cold Dies
2.4 Common Cold Stamping Die Standard Issues 3 Cold Stamping Materials
3.1 Basic requirements for cold stamping materials
3.2 Common cold stamping materials
3.3 Sheet metal forming performance
3.4 Sheet metal stamping forming performance test method and index subject 4 Cold stamping equipment
4.1 Shears (Shears)
4.2 Crank press
4.3 Friction press
4.4 Hydraulic press
4.5 Topics for the selection of presses 5 Safe working procedures for cold stamping
5.1 Causes of Cold Stamping Safety Accidents
5.2 Intrinsic safety measures
5.3 Cold Stamping Safety Technology Operation Regulations Topic 6 Disassembly and Assembly of Typical Cold Stamping Dies
6.1 Mold disassembly
6.2 Mould Assembly Exercises Chapter 2 Punching Process and Die Structural Design of Punching Dies 1 Punching Deformation Process and Quality Analysis of Punching Parts
1.1 Overview
1.2 Blanking deformation process
1.3 Quality of Blanking Parts and Its Influencing Factors Topic 2 Processability of Blanking Parts and Process Calculation of Blanking Process
2.1 Craftability of blanking parts
2.2 Blanking clearance
2.3 Calculation of punching die edge size and determination of manufacturing tolerance
2.4 Calculation of punching force
2.5 Determination of the pressure center
2.6 Layout of blanking parts
2.7 Material Utilization of Blanking Part 3 Typical Structure of Single Process Blanking Die
3.1 Classification of punching die
3.2 Blanking die
3.3 Punching Die Topic 4 Typical Structure of Compound Punching Die
4.1 Full-faced composite mold
4.2 Subject of Flip Compound Die 5 Structural Design of Punching Die
5.1 Classification of mold parts
5.2 Structural form of the punch and its fixing method
5.3 Punching punch structure
5.4 Determination of punch length
5.5 Technical requirements for punches
5.6 Punch Die Strength and Stiffness Topic 6 Design of Die Structure for Blanking Die
6.1 Die cutting edge form
6.2 External structure of the die and its fixing method
6.3 Overall dimensions of the die
6.4 Die technical requirements
6.5 Projects of convex and concave dies 7 Design and selection of other parts of punching dies
7.1 Design and selection of positioning parts
7.2 Design of discharge and pusher parts
7.3 Selection of spring and rubber
7.4 Other components of punching die Topic 8 Selection of die base and components
8.1 Formwork
8.2 Mold base
8.3 Guide post and guide sleeve
8.4 Handle
8.5 Example of Combined Structure of Cold Stamping Die Topic 9 Design Example of Blanking Die
9.1 Blanking die design process
9.2 Draw the mold assembly drawing and part drawing
9.3 Stopper stamping process development and stamping die design exercises Read after class Chapter 3 Bending process and bending die mold structure design issues 1 Overview of bending deformation
1.1 Bending deformation process
1.2 Characteristics of Bending Deformation Problem 2 Quality Analysis of Bending Parts
2.1 Bending
2.2 Bending rebound
2.3 Bend offset
2.4 Projection of warpage and section distortion of bending parts
3.1 Material and accuracy of bending parts
3.2 Structure of Bend Parts
3.3 Topic 4: Process Arrangement of Typical Bending Parts
4.1 Calculation of unfolded dimensions
4.2 Calculation of bending force 5 Structural design of bending die and typical die structure
5.1 Bending mold structure design
5.2 Single process bending die
5.3 Composite bending die
5.4 General Bending Die Project 6 Design of Bending Die Working Parts
6.1 Structural parameters of the working part of the bending die
6.2 Wedge and Slider Design Issues 7 Bracket Bending Process Exercises Chapter 4 Tensile Process and Structural Design of Tensile Die Mould Design Issue 1 Tensile Process Analysis
1.1 Overview
1.2 Stretch deformation process
1.3 Main quality problems of tensile parts
1.4 Technical Issues of Stretched Parts 2 Calculation of Blank Size of Stretched Parts
2.1 Calculation method
2.2 Trim margin
2.3 Blank size calculation of simple rotating body tensile parts
2.4 Calculation of blank dimensions of stretched parts of complex rotating bodies 3 Calculation of drawing process of cylindrical parts
3.1 Stretch factor
3.2 Stretch times
3.3 Dimension calculation of cylindrical workpiece drawing process
3.4 Topics for subsequent stretching of cylindrical parts 4 Stretching of cylindrical parts with flanges
4.1 Tensile deformation and number of times of stretched cylindrical parts
4.2 Stretching of narrow flanged tubulars
4.3 Stretching of wide flanged cylinders
4.4 Dimensional calculation of drawing process for flanged tubular parts 5 Calculation of blank holder force and tensile force and selection of press
5.1 Calculation of blank holder force
5.2 Calculation of tensile force
5.3 Selection of tonnage of press 6 Structure determination of working part of drawing die and concave die
6.1 Determination of the corner radius of convex and concave dies
6.2 Gap between convex and concave die
6.3 Dimension calculation of working parts of male and female die and manufacturing tolerances of male and female die
6.4 Commonly Used Stretching Die and Die Structure Topics 7 Introduction to Commonly Used Stretching Die Structures
7.1 First stretch die
7.2 Each subsequent drawing die
7.3 Compound Die Topic 8 Design Examples of Tensile Die Exercises Outside Reading Chapter 5 Other Stamping Processes and Die Structure Topics 1 Bulge
1.1 The undulating forming of flat blank
1.2 Expansion of hollow blank 2
2.1 Classification of necking
2.2 Degree of deformation
2.3 Determination of necking times and necking coefficient
2.4 Neck diameter calculation
2.5 Blank height calculation
2.6 Calculation of necking force
2.7 Mould Structure Topic 3 Flanging
3.1 round hole flanging
3.2 Non-round hole flanging
3.3 Flange on the outer edge of the plane
3.4 Flanging Die Structure Topic 4 Spinning
4.1 General spinning
4.2 Thinning Spinning Topic 5
5.1 Features and Applications
5.2 Leveling of flat parts
5.3 Shaping Exercises for Spatial Shaped Parts. Extracurricular Reading. Chapter 6. Design of Progressive Die for Multi-station.
1.1 Multi-station progressive model points
1.2 Multi-station progressive die classification
1.3 Progressive Tensioning Problem with Material 2 Introduction to the overall structure of multi-stage progressive die
2.1 Reed Punching and Blanking Progressive Die
2.2 Punching and blanking progressive die
2.3 Progressive Die Progression with Material 3 Layout Design of Multi-Station Progressive Die
3.1 Multi-station progressive die design features
3.2 Multi-station progressive die layout design content
3.3 Die cutting edge design
3.4 Process layout
3.5 Fixed distance of multi-station progressive die
3.6 Correction
3.7 Principles and main points of process layout
3.8 Example of process layout sample Topic 4 Structural design of multi-stage progressive die
4.1 Overall design
4.2 Punch Design
4.3 Die Design
4.4 Guide device
4.5 Guide Pin
4.6 Unloading device
4.7 Automatic feeding device
4.8 Safety testing device subject 5 Progressive mold design example exercises Chapter 7 Formulation of cold stamping process regulations 1 Method and steps of formulating cold stamping process plan
1.1 Raw materials for stamping process development
1.2 Processability analysis of stamping parts
1.3 Deformation Tendency and Control
1.4 Determination of process nature and quantity
1.5 Determination of process sequence
1.6 Selection of process combination
1.7 Determination of the shape and size of the semi-finished product during the stamping process
1.8 Sketch of stamping process
1.9 Selection of stamping equipment
1.10 Preparation of process files and design calculation instructions
1.11 Drawing a mold diagram Topic 2 Formulation of cold stamping process for glass lifter housing
2.1 Analysis of stamping process of parts
2.2 Calculation of the blank diameter
2.3 Calculation of stretching times
2.4 Determination of process combination and process sequence
2.5 Formulation of craft cards
Appendix III Reference Materials for Die Parts and Their Heat Treatment

冷冲模工艺与设计 Cold stamping die technology and design

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