MM Science Journal, October 2014

ANALYSIS OF SURFACE INTEGRITY AFTER HARD TURNING WITH WIPER INSERTS

Miroslav Neslusan, Miroslav Faktor, Maria Cillikova
Keywords: hard turning | wiper geometry | residual stress | Structure | surface roughness

This paper deals with analysis of surface integrity after hard turning with wiper insert. Surface integrity expressed in terms of surface roughness, microstructure and residual stress state is compared with conventional insert geometry. Structure and stress state after hard turning is also compared with the following super finished and ball burnished surfaces. The results show that wiper cutting insert (…)

APPLICABILITY OF SURFACE PLASTIC FLOW PROCESS FOR MODIFICATION OF TRIBOLOGICAL PROPERTIES OF TITANIUM

Hatsuhiko Usami, Yuma Horiba, Hideki Akita, Shuichi Kobayashi
Keywords: surface design | surface texture | solid lubricant penetration | surface plastic flow | shot peening | roller burnishing | tribology | titanium

The present study proposes a novel surface modification process based on surface deformation, surface plastic flow process, to improve tribological properties of pure titanium (Ti) surfaces. The developed process consists of micro shot peening and roller burnishing: The former and the latter processes are applied to fabricate micro dimples and to penetrate molybdenum disulfide (MoS2) fine powders into t (…)

DEVELOPMENT OF cm-SCALE WALL CLIMBING HEXAPOD ROBOT WITH CLAWS

Mayo Funatsu, Yushi Kawasaki, Soichiro Kawasaki, Koki Kikuchi
Keywords: vertical wall climbing | scaling effect | hexapod robot | claws | slip condition

In this paper, we investigate the slip condition on a vertical wall surface and propose a cm-scale hexapod robot with claws that can climb the vertical wall. Since the volume force such as gravity is proportional to the length cubed and the area force such as muscle force is proportional to its cross section, i.e., the length squared, an object is more capable of overcoming gravity the smaller it is. Th (…)

CAMERA ARM SYSTEM FOR DISASTER RESPONSE ROBOTS SPACE-EFFECTIVE DESIGN AND PERFORMANCE EVALUATIONS OF PROTOTYPE DEVELOPMENT

Hideaki Yamato, Kengo Toda, Takashi Kodachi, Masahau Shimizu, Takeshi Nishimura, Tomoaki Yoshida, Takayuki Furuta
Keywords: disaster response robot | rescue robot | remote operation robot | rescue engineering | camera arm | collision protection

In this paper, design and development strategies of a camera arm system for disaster survey robots are discussed. Unlike the previously-provided system, which has been used repeatedly for information gathering purpose at the FUKUSHIMA nuclear disaster in 2011, a newly developed camera arm is mounted on a crawler-type remote operation robot, Sakura II, to enhance image-based investigating performance in (…)

THEORY BASED MANAGEMENT AND SOFTWARE SUPPORT OF PROPERTY DRIVEN DESIGNING OF TECHNICAL PRODUCTS

Stanislav Hosnedl
Keywords: Technical Product | life cycle | design specification | property classes | evaluation | quality | competitiveness | risks

There exist a lot of engineering design methodologies, methods and/or tools which help engineering designers and/or engineering design managers to increase design quality and competitiveness of the designed technical products. The presented paper reports on the contribution to it by a developed methodology and its SW support for design specification of both Product-Business and Product-Design requiremen (…)