Browsing by Author "Kubišta, Jan"
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- ItemCharakter a příčina vnitřních vad hlav válců(Technická Univerzita v Liberci, 2007) Kubišta, Jan; Skrbek, BřetislavSubject of this bachelor thesis was authentication of character and possible causes of inherent defects of cylinder heads, which are made in company Česká železářská společnost, division FEREX-castings Liberec, whose customer is company Tedom, division Motory Jablonec nad Nisou. It was especially monitoring the progress in scraps for cylinder heads M3348 in the last three years and remedial measure for their minimization. Further there is provided metallographical documentation of critical places of cylinder heads. All results were discussed and the conclusions of inherent defect of causes were set, including possible remedial measure for decrease of scrap.
- ItemCharakter a příčina vnitřních vad válcůKubišta, Jan
- ItemHodnocení vlastností termoplastických elastomerů s nadouvadly(Technická Univerzita v Liberci, 2012) Kubišta, Jan; Lenfeld, PetrThe content and purpose of this thesis was to test TPE materials from company KRAIBURG TPE with different types of foaming agents to find the best technological conditions, such as injection temperature and speed, screw speed, hold pressure, backpressure, mould temperature and dosage of foaming agents to achieve the highest possible effective savings with regard to mechanical and economical benefits. Evaluated were also different parameters of mould and injection moulding machines at the TUL in Liberec and KRAIBURG TPE. All tests have been done on the injection moulding machine ENGEL Victory 80/25 at TUL and some tests on the injection moulding machine DEMAG EXTRA at KRAIBURG TPE. Laboratory measurements have been done completely evaluated in KTPE.