Extruder Design Theory and Calculation is a book published by China Building Materials Industry Press. It consists of eleven chapters covering all important aspects of extruder design. The book introduces in detail the design theory and calculation methods of extruders, including technical parameters, design parameters, lower-level design parameters, upper-level design parameters, etc. In addition, it also provides actual cases and structural design scheme drawings, as well as how to write instruction manuals. This makes this book the first book in China to systematically introduce the design theory and calculation of extruders. Professional books.

Book Catalog

Chapter 1 Introduction

Chapter 2 Technical Parameters of Extruder

Section 1 Sources of Extruder Technical Parameters

Section 2 Determination of Extruder Technical Parameters

1. Determination of Output Index Parameters

2. Determination of Extrusion Pressure Index Parameters

3. Power Calculation of Extruder

4. Back Calculation of Extrusion Pressure

5. Brief Introduction to Power Calculation Formulas of Silicate Mechanical Equipment

6. Vacuum Index Parameters

Section 3 Summary /p>

Chapter 3 Design Parameters of Extruder

Section 1 Design Guiding Ideology Instructions

Section 2 Contents of Extruder Design Parameters

1. Generation of Extruder Design Parameters

2. Design Direction of Extruder

3. Core of Extruder Design Parameters

Chapter 4 Lower-level Design Parameters of Extruder

Section 1 Composition of Lower-level Design Parameter Chain

Section 2 Combinations of Cutter Group Diameter and Pitch

1. Compression of Billet

2. Compression Amount of Raw Materials

3. Summary

Section 3 Reinforcement Cutter Group Pitch Combination and Relevant Design Parameters

1. Reinforcement Cutter Group Pitch Combination Representation Method and Description

2. Reinforcement Cutter Group Design Parameters

Section 4 Reinforcement Cutter Group Diameter and Pitch Combination

1. Types of Lower Reinforcement Cutter Group Diameter and Pitch Combination

2. Foreign Classification of Lower Reinforcement Cutter Group Diameter and Pitch Combination for Extruders

3. Reinforcement Cutter Group Equal Diameter and Equal Pitch Combination

4. Combination of Equal Diameter and Variable Pitch Reinforcement Cutter Groups

5. Equal Diameter and Reverse Variable Pitch (Non-Compression) Reinforcement Combination of knife groups

Six. Combination of primary diameter change and variable pitch

Seven. Combination of secondary diameter change and variable pitch

Summary

Section 5 Specifications and models of hard plastic extruder

Section 6 Determination and calculation of length of lower sealing section

1. Determine the length of closed section by pitch arrangement of reamer group (method one)

2. Determine the length of closed section by calculation (method two)

3. Determination of relevant design parameters

Section 7 Calculation method of reamer blade blanking

Section 8 Output calculation of extruder

1. Calculation formula for maximum extrusion per revolution

2. Calculation formula for the volume of the last section reamer

3. Calculation formula for hourly output of extruder

4. Explanation of calculation formula for hourly output of extruder

5. Deformation of calculation formula for hourly output of extruder

6. Explanation of calculation formula for hourly output of extruder

7. Introduction of foreign experience

Section 9 Design parameters and calculation of mud press plate

1. Composition and function of mud press plate

2. Design parameters of mud press plate

3. Function of mud press plate Rate calculation

Section 10 Design parameters of the receiving box

1. The function of the receiving box

2. Contents of the design parameters of the receiving box

Section 11 Transmission system

Section 12 Design parameters and calculations of the extrusion molding part

1. The composition and function of the extrusion molding part

2. Contents of the design parameters of the molding part

3. Calculation of the internal and external friction resistance of the die

4. Calculation of the extrusion resistance balance of the die mouth

5. Damping setting

6. Distribution of the gate

7. High-pressure lubrication system for die head and die mouth

Chapter 5 Extruder upper-level design parameters

Section 1 Composition of the extruder upper-level design parameter chain

Section 2 Design parameters of twin-shaft extrusion and stirring parts

1. Composition and function of twin-shaft extrusion and stirring parts

2. Design parameters of twin-shaft extrusion and stirring parts

3. Determination of the center distance of twin stirring shafts

Section 3 Calculation of upper-level twin-shaft extrusion pressure

1. Calculation of upper-level twin-shaft closed section extrusion pressure

2. Explanation of the upper-level twin-shaft extrusion pressure calculation formula Solution

Section 4 Calculation of output and power of double-shaft extrusion and mixing

1. Calculation of output and power of upper double-shaft extrusion part

2. Calculation of output and power of upper double-shaft mixing part

3. Expression method of upper and lower output ratio

Section 5 Design parameters of upper single-shaft mixing and extrusion part of extruder

1. Composition of upper single-shaft mixing and extrusion part

2. Working principle of upper single-shaft mixing and extrusion part

3. Design parameters of upper single-shaft extrusion and mixing part

Section 6 Upper single-shaft extrusion 1. Calculation of upper single-shaft extrusion output and power 2. Calculation of upper single-shaft mixing output and power 3. Single-shaft mixing, expression method of upper and lower output ratio of extruder 7. Strength check of upper gear of extruder 6. Design calculation examples (writing design calculation instructions) 1. Introduction 1. Instructions for example selection 2. Instructions for related content 2. Example 1 - Design calculation instructions for two-stage vacuum extruder (writing JZR 50-20 two-stage vacuum extruder design calculation)

1. Part 1 - Design calculation of the lower level

2. Part 2 - Design calculation of the upper level

3. Part 3 - Calculation of resistance balance of the die head and die mouth

Section 3 Example 2 - Design calculation instructions for two-stage vacuum hard plastic extruder (US 90A two-stage vacuum hard plastic extruder)

1. Part 1 - Design calculation of the lower level

2. Part 2 - Design calculation of the upper single shaft

3. Part 3 - Calculation of resistance balance of the die head and die mouth

Chapter 7 Design of extruder model structure

Section 1 Introduction

Section 2 Design of extruder model structure

1. Requirements of design concept

2. Combination characteristics of model structure

3. ¡°Shape¡± characteristics of model structure

Section 3 Analysis of extruder model structure

1. Types of lower-level model structure

2. Analysis of lower-level model structure

3. Summary of model structure analysis

4. Value engineering design

5. Technical requirements

Chapter 8 Structure Design scheme diagram

Section 1 Structural design scheme diagram

Section 2 Spindle bearing group structural design scheme

1. Structure and design of bearing group

2. Bearing group seal structure and design

3. Lubrication of seals at both ends of bearing group

4. Yongjia Liubian lubrication technology

Chapter 9 Writing instruction manual

1. Contents of instruction manual

2. Explanation of instruction manual contents

Chapter 10 Double extrusion double-stage vacuum extruder"}]}]},

Section 1 Introduction

Section 2 Machine Structure and Model

1. Machine Structure of Double Extrusion Type Two-stage Vacuum Extruder

2. Specifications and Models of Double Extrusion Type Two-stage Vacuum Extruder

Section 3 Comprehensive Comparison of Double Extrusion Type and Single Extrusion Type Two-stage Vacuum Extruder

1. Technical Parameter Comparison

2. Design Parameter Comparison

3. Cost Comparison

4. Price Comparison

5. Application Comparison

Section 4 Specifications and Classification of Double Extrusion Type Two-stage Vacuum Extruder Series

1. Model Specifications

2. , classification of models and specifications

Section 5 Brick factory moderate scale output

1. Moderate scale output

2. Determination of moderate scale output

3. Description of moderate scale output

4. Establishment of moderate scale output industry standards

5. Double extrusion type double-stage vacuum extruder corresponding to moderate scale output"}]}]},

6. Applicable scope of moderate scale output

7. Relationship between moderate scale output and its multiple output

8. Moderate scale output promotes the progress of the industry

9. Single extrusion specifications, models, output, Hourly output, upper and lower power, single (double) production line moderate scale output

Section 6 Analysis of difficulties of dual-extrusion dual-stage vacuum extruder

1. Difficulty 1-Can the speed of the two independently rotating spindles be kept synchronized?

2. Difficulty 2-How to solve the problem of extrusion molding resistance balance

3. Difficulty 3-The problem of bulking between the two sets of receiving section reamers (center of the receiving box)

Section 7 Summary

Section 8 Small (level) dual-extrusion dual-stage vacuum extruder"}]}]},

Chapter 11 Appendix

Appendix 1 Appendix 2: The structure and shape of the hard plastic extruder of the German Handler Company

Appendix 3: The structure and shape of the hard plastic extruder of the Italian Morando Company

Appendix 4: The structure and shape of the hard plastic extruder of the American STEELE Company

Appendix 5: Force analysis of the extruder main shaft (reamer shaft)

1. Formation, transmission and distribution of extrusion pressure

2. Force analysis of the main shaft

Appendix 6: Improved spiral reamer for mud extruder

Appendix 7: Improved spiral reamer for mud extruder

Appendix 8: Head resistance diagram

Appendix 9: Sample data of the American STEELE Company

Appendix 10: Sample of the Italian Bertice Company

Appendix 11 The supporting components of the extruder - the reducer

1. The requirements of the extruder on the load-bearing capacity of the reducer

2. Failure of the reducer gear

3. Analysis of the failure mode of the reducer gear

4. The influence of the supporting components on the failure of the reducer gear

5. The influence of the mud plate gear on the output shaft on the failure of the reducer

6. A brief description of the structure and design of the reducer

7. Guide to the selection of reducers