Modeling and Analysis of Cold Drawing Process: Parameters and Methods

Modeling and Analysis of Cold Drawing Process: Parameters and Methods

Praveen Kumar Loharkar (NMIMS, India) and Mohan Kumar Pradhan (Maulana Azad National Institute of Technology, Bhopal, India)
DOI: 10.4018/978-1-5225-2440-3.ch003

Abstract

Products of cold drawing process are extensively used due to their characteristics such as very good surface finish, close dimensional control and superior mechanical properties. Therefore, this process has drawn attention of several researchers over the years. The chapter describes the state of research scenario in the field of cold drawing process analysis with a focus on various parameters and methods involved in its study. Work carried out in this context is described briefly along with the steps to carry out finite element analysis. It has also accounted for methods to design experiments and to optimize the process parameters. Upon reading this chapter, the reader would get acquainted with various aspects of cold drawing process modeling and scope for further research. With the help of fundamental knowledge of process and systematic application of the available tools and techniques, the reader would be equipped with the knowledge to work on related industrial problems and enhance process capability by applying soft computing techniques in process optimization.
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Background: Cold Drawing

Before moving ahead on the modeling aspects, let us understand different parameters or variables associated with this process. Fundamentally, cold drawing involves pulling long sections of solid or hollow bars to get a desired reduced size. It is further classified as follows:

  • Wire and Bar Drawing: It involves pulling of a solid wire or a bar through a die selected as per the size requirement. See Figure 1.

  • Tube Drawing: In this case, a hollow tube is pulled through a die that controls its final outer diameter while mandrel or plug may or may not be provided at the inner diameter depending upon the dimensional control desired. Different types of tube drawing are there based on the presence of plug and its physical arrangement, as can be seen in Figure 2.

Figure 1.

Bar drawing

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Figure 2.

Types of tube drawing (Bihamta et al., 2011)

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