Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Karel Raz"'
Autor:
Tomáš Koňařík, Karel Ráž
Publikováno v:
Journal of Applied Mathematics and Computational Mechanics, Vol 23, Iss 3, Pp 31-42 (2024)
Externí odkaz:
https://doaj.org/article/fddae38b10e74d3d90d54744f65131bc
Publikováno v:
Key Engineering Materials. 847:69-74
Additive manufacturing is rapidly developing technology in all areas of industry. It is reducing the delivering time of each prototype from the manufacturer to the final user. This paper deals with mechanical properties of lattice structures. They ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::053ac8e02c85a242a3a279a7f1f4afb4
https://doi.org/10.4028/www.scientific.net/kem.847.69
https://doi.org/10.4028/www.scientific.net/kem.847.69
Publikováno v:
Key Engineering Materials. 847:75-80
This paper deals with the use of plastics for making injection molds. Mold production times reduced by 90% and costs cut by up to 75% are some of the benefits of prototype molds from plastic materials. Today, materials with melt temperatures above 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd18e9c2e8166ee35df514d341a3f757
https://doi.org/10.4028/www.scientific.net/kem.847.75
https://doi.org/10.4028/www.scientific.net/kem.847.75
Publikováno v:
Key Engineering Materials. 847:15-21
This paper deals with the determination of parameters of the interlaminar failure of the CFRP composite laminate in mode I using numerical simulation with cohesive elements. Knowledge of these parameters is crucial to enable prediction of interlamina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::807024ee56f958ff72a7a80996847dde
https://doi.org/10.4028/www.scientific.net/kem.847.15
https://doi.org/10.4028/www.scientific.net/kem.847.15
Publikováno v:
Lecture Notes in Mechanical Engineering ISBN: 9789811696312
Tento článek popisuje využití topologické optimalizace v procesu návrhu frézovací hlavy. Byla zvolena moderní frézovací hlava (inovativní design s prutovou konstrukcí) s vnitřním přívodem chladicí kapaliny. Užitné vlastnosti hlavy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80c814c679fa296819ca736417772bdd
https://doi.org/10.1007/978-981-16-9632-9_19
https://doi.org/10.1007/978-981-16-9632-9_19
Autor:
Frantisek Sedlacek, Karel Raz
Publikováno v:
Key Engineering Materials. 801:264-269
This article deals with the influence of the melt temperature on weld line strength in injection-molded plastic parts. A special mold was created for this investigation to make specimens with a central weld line. The experimental material was polypro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1f6a3b275b00b7d5254c8b95f1b1064
https://doi.org/10.4028/www.scientific.net/kem.801.264
https://doi.org/10.4028/www.scientific.net/kem.801.264
Autor:
Karel Raz
Publikováno v:
Manufacturing Technology. 19:135-138
Hlavním cílem tohoto článku je analyzovat rozdílené tepelné chování různých chladících kanálů a popis výroby těchto kanálů pomocí metod aditivních technologií. Tato práce byla primárně vytvořena pomocí virtuálních simulac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f4327052071cf4c85d747d03515d12a
https://doi.org/10.21062/ujep/257.2019/a/1213-2489/mt/19/1/135
https://doi.org/10.21062/ujep/257.2019/a/1213-2489/mt/19/1/135
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1243:012010
This paper deals with the usage of the plastic model (created by additive technology), which can be used for the mould production as an internal model for the cavity. This mould is intended for the steel casting technology. The particular plastic mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc035827779803f7e03fe1f66181f98b
https://doi.org/10.1088/1757-899x/1243/1/012010
https://doi.org/10.1088/1757-899x/1243/1/012010
Publikováno v:
Manufacturing Technology. 17:823-827
This article deals with unconventional materials usage in design of vehicle bodies. Main focus is on sandwich materials (with honeycomb structure) for walls of the main body. These panels are designed from polypropylene. Joining of theses sandwich pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df0619fb6b2f86e7b7c908571365da0e
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/5/823
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/5/823
Publikováno v:
Manufacturing Technology. 17:79-83
Main aim of this article and research is to describe exact influence of key parameter in injection molding process. This key parameter is temperature. Nowadays is possible to use wide range of advanced virtual simulation tools, which were in research
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c6071021a7d7b069c11bf05b9fa3b98
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/1/79
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/1/79