Metal formíng production of spring bush by cold extrusion.

TŘEŠTÍK Jakub: Metal forming production of spring bush by cold extrusion. The Master’s degrese project, 2nd form, summer semester, academic year 2009/2010, educational group 5O/60, Mechanical Engineering – Manufacturing Technology, Brno University of Technology, Fakulty of Mechanical Engineering, Institute of Manufacturing Technology, Dept. Of Metal Forming and Plastic, May 2010. This project sloves the manufacturing proces sof “Spring bush” part by technology of cold extrusion. Part is made of 12 122.3 steel. Semifinished product has a cylinder shape with dimensions O29-24 mm. This part is made during four bulk forming operations on the TPZK 25 Šmeral Brno, a.s