Chapter 15

Metal Extrusion and Drawing Processes and Equipment

15.1 Introduction

15.2 The Extrusion Process

15.3 Hot Extrusion

15.4 Cold Extrusion

15.5 Extrusion Defects

15.6 Design Considerations

15.7 Extrusion Equipment

15.8 The Drawing Process

15.9 Drawing Practice

15.10 Drawing Defects and Residual Stresses

15.11 Drawing Equipment

Example:

15.1 Calculation of Force in Hot Extrusion

Case Studies:

15.1 Manufacture of Aluminum Heat Sinks

15.2 Cold-extruded Part

 

  • Extrusion and drawing involve pushing or pulling, respectively, a material through a die, for the purpose of modifying its cross section.
  • The chapter begins by describing the basic types of extrusion processes, and how the extrusion force can be calculated from material and processing ...

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