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Vibration of improved model of cutting and piercing machine.
Dynamical properties of new type of vibrating piercing machine are investigated by numerical simulation. Studied model of working forces includes various stages of piercing process: cutting, friction forces, additional stop...
BI - Akustika a kmity
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
Modelling of material flows in piercing technology
The paper describes innovative procedures for numerical simulation of Mannesmann piercing process with a unfixed mandrel using the discrete Fourier transform. Obtained results showed a more uniform tube wall thickness along its length compa...
Materials engineering
- 2022 •
- Vsouhrn
Rok uplatnění
Vsouhrn - Souhrnná výzkumná zpráva
Deformation conditions at piercing on universal laboratory piercing mill
Universal laboratory piercing mill with rolls of Mannesmann type in research physical modeling to study and solve some problems of traditional but a bit specific the modeling limits of the laboratory equipment in confrontat...
Materials engineering
- 2017 •
- Jost
Rok uplatnění
Jost - Ostatní články v recenzovaných periodicích
Modelling of Material Flows in Piercing Technology
The article summarises the modelling of the technological process of Mannesmann piercing in the configuration of the Great Mannesmann rolling mill in the Tube Mill of Třinecké Železárny using the approach of both mathematical mo...
Materials engineering
- 2022 •
- Jost •
- Link
Rok uplatnění
Jost - Ostatní články v recenzovaných periodicích
Výsledek na webu
Program of numerical simulation of piercing process.
The project brought new knowledge and theoretical, numerical and experimental methods, which are directed on the design and production of a new type of the forming machine. They allowed the development of the piercing machine prototype with ...
BI - Akustika a kmity
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
Research and development of the piercing process of seamless tubes-rev1
This report summarises results gained during the development of FEM-models of the piercing process. These FEM-models were developed for BENTELER company. Since BENTELER company uses two kinds of technology to produce seamle...
JP - Průmyslové procesy a zpracování
- 2012 •
- Vsouhrn
Rok uplatnění
Vsouhrn - Souhrnná výzkumná zpráva
Description of the current FEM-model of the cross-roll piercing process
Description of the current FEM-model of the cross-roll piercing process will be realized within contract research. This report contains 3-D model description and simulation results of the cross-roll piercing proces...
JP - Průmyslové procesy a zpracování
- 2013 •
- Vsouhrn
Rok uplatnění
Vsouhrn - Souhrnná výzkumná zpráva
Technology of piercing tests on the laboratory piercing mill
Based on numbers of laboratory piercing examinations of the three constitutional different types steel the piercing wrought technology on universal laboratory on assesment of optimum heating temperaure and piercing conditio...
Materials engineering
- 2018 •
- Ztech
Rok uplatnění
Ztech - Ověřená technologie
A Failure Behaviour of Pre-drilled Blank in the Mannesmann Piercing Mill as a Problem of Formation Of Neural Network in a Framework of the Mathematical Model of Piercing Process within the Sastem HMM
the steel 42CrMo4 during a piercing process at the Mannesmann drilling mill, the paper of its mathematical model. It is briefly described, how such a pre-drilling causes networks in the modelling system HMM TPComplex, whic...
JG - Hutnictví, kovové materiály
- 2016 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Oral Complications of Intraoral Piercing
Piercing is one of the oldest forms of body art. Body piercing can be defined as penetration jewelry into body areas.
FF - ORL, oftalmologie, stomatologie
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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