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ZASNOVA IN IZDELAVA CEPILNIKA LESA NA GRADBENEM STROJU
Bogdan Korošec, 2011, diplomsko delo

Opis: V diplomski nalogi je predstavljena zasnova in izdelava cepilnika lesa na gradbenem stroju. Najprej je bil izveden sistematičen razvoj, ki sestoji iz iskanja idej in konstruiranja izdelka. Izdelana in testirana je bila testna konica. Kasneje so bile izdelane smernice za izdelavo prave konice. Izračunana je bila cena strojne ure.
Ključne besede: cepilnik, cepljenje, konica, os, hidravlično kladivo, hitra menjava, les, masa, sila, delovni potek, orodje, frezanje, struženje, orodni listi.
Objavljeno: 12.01.2012; Ogledov: 1874; Prenosov: 230
.pdf Celotno besedilo (7,11 MB)

3.
Wear resistance of coke-crushing hammers
Franc Zupanič, 2013, izvirni znanstveni članek

Opis: This work investigated several methods for improving the wear resistance of the 42CrMo4 tool steel used for coke-crushing hammers. The methods embraced heat treatment for obtaining different combinations of strength and ductility of the bulk steel, and surface-engineering processes comprising TiN thin-film deposition using magnetron-sputtering, nitriding and WC/Ni weld deposit surfaced by gas metal arc (GMA) method. The wear-resistance was tested under industrial conditions. Oil quenching and tempering significantly increased the wear resistance in comparison to the as-received condition. Conversely, nitriding and TiN-hard coating did not show any significant improvement. WC/Ni weld deposit provided the best protection against wear, which was caused predominantly by hard abrasive particles present in the coke.
Ključne besede: zvarni spoj, mikrostrukture, obrabna odpornost, toplotna obdelava, obraba, kladivo, weld deposition, microstructure, impact coke crusher, heat treatment, wear, hammer
Objavljeno: 10.07.2015; Ogledov: 603; Prenosov: 30
URL Povezava na celotno besedilo

4.
Improving products' ergonomic value using intelligent decision support system
Jasmin Kaljun, Bojan Dolšak, 2012, izvirni znanstveni članek

Opis: During the process of defining suitable design solutions, a designer has to consider a wide range of influential factors. Ergonomics certainly belongs to more complex ones. Less experienced designers could encounter several problems during this design stage. Although some literature can be found about ergonomic design of hand tools, a designer still has to have amassed quite a lot of experience and knowledge in the field of ergonomic, in order to choose and carry out appropriate design and redesign actions. Existing computer tools for ergonomic design are not able to assist a designer with higher level advice within design process. An intelligent decision support system has been developed in order to overcome this bottleneck. This paper presents a knowledge base, containing ergonomic design knowledge specific for hand tools design. A pneumatic hammer handle design is used as a case study to show how ergonomic design knowledge built in the system is used to improve the ergonomic value of the product.
Ključne besede: ergonomija, inteligentna podpora, ročna orodja, zajemanje znanja, razvoj ročke, pnevmatsko kladivo, ergonomics, intelligent support, hand tools, knowledge acquisition, handle design, pneumatic hammer
Objavljeno: 10.07.2015; Ogledov: 698; Prenosov: 53
URL Povezava na celotno besedilo

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