Racionalizace obrábění děrovacího trnu v podmínkách firmy ArcelorMittal Tubular Products Ostrava a.s.

Abstract

TRVAJ, L. Cutting Rationalization of Punching Spine for ArcelorMittal Tubular Products Ostrava a.s. Ostrava: institute working and assembly, Faculty of Mechanical Engineering VSB – Technical University of Ostrava, 2009, 53 p. Thesis, head: Ing.Jiří Kratochvíl. Thesis is themed Rationalization cutting punching thorn in conditions firm ArcelorMittal Tubular Products Ostrava a.s., this subject was realized in firm ArcelorMittal Tubular Products Ostrava a.s. in Ostrvě- Kunčice . Thesis is divided to the of several big capitol. First chapter includes accessible materials for cutting implement. Further is circumscribed workability plus attrition cutting implement. Next chapter describes contemporary technological process cutting punching thorns. In next chapter are suggested changes with single step. At last parts is lumped thesis.