Skip to Main Content
ASM Handbook

Metalworking: Bulk Forming

Edited by
S.L. Semiatin
S.L. Semiatin
Search for other works by this author on:
ASM International
Volume
14A
ISBN electronic:
978-1-62708-185-6
Publication date:
2005
Book Chapter

Cold Extrusion

By
Murali Bhupatiraju
Murali Bhupatiraju
Revising author
Metaldyne
Search for other works by this author on:
Robert Greczanik
Robert Greczanik
Revising author
American Axle and Manufacturing
Search for other works by this author on:
Published:
2005
Page range:
405 - 418
Publication history
February 17, 2006

Abstract

Cold extrusion is a push-through compressive forming process with the starting material (billet/slug) at room temperature. This article provides information on the different types of steels that can be cold extruded. Mechanical presses and hydraulic presses that are specifically designed for cold extrusion with high rigidity, accurate alignment, and long working strokes are described. The article details the factors that are critical in cold extrusion: punch design, die design, and tool design. It summarizes the role of lubricants during extrusion of steel, such as soap lubricant and polymer lubricants. The article describes several procedures for extruding specific steel parts such as tubular parts and stepped shafts. It lists problems such as tool breakage and galling or scoring of tools and explains cold extrusion of aluminum, copper, and nickel alloy parts. The article also discusses the impact extrusion of magnesium alloys.

You do not currently have access to this content.
Don't already have an account? Register

Murali Bhupatiraju, Robert Greczanik, 2005. "Cold Extrusion", Metalworking: Bulk Forming, S.L. Semiatin

Download citation file:


×
Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal