DEVELOPMENT OF A CUTTING TOOL FOR COMPOSITES WITH THERMOPLASTIC MATRIX

摘要: Fibre reinforced thermoplastic composites (FRTC) are becoming an increasingly important material for a wide range of applications. Thus, the demand high performance tools machining this is increasing. The main goal presented research results to decrease cutting costs during trimming operations thin plates and increase quality machined composite materials by suitable shape, geometry tool conditions. Statistical methods were used in order obtain control factors (cutting conditions) which most FRTC. Subsequently, optimal adjustment conditions was identified. paper brief summary development. It includes parts tests their as well some interesting findings implicit experiments measuring. There many variants fibres these two groups other such aramide, basalt natural fibres. Two mostly types carbon glass Carbon tougher conduct heat better than type reinforcement also influences behaviour milling. very hard abrasive. They cause rapid wear tool. content orientation influence life time surface (delamination, burrs creation) [Sheikh Ahmad 2009]. three case fabric: unidirectional, multidirectional woven [Ehrenstein This focuses on milling FRTC materials. Milling branch primarily focused flat or curved panels planes, cars industrial energetic devices. Other internal shapes holes slotting. operation chosen because it representative technology task improve productivity connected with machining. Some papers have been affected design our experiment. up identified down roughness [Konig 1985] but situation different delamination composite. Down slightly Coligan Ramulu [Colligan 1991]. various delamination. Cutting speed feed rate relevant testing basis Davim’s experiments. more significant velocity both statistically significant. forces smaller when [Davim 2004]. depth cut could be testing. influenced divided into stages. first one oriented test standard commercially available recommended producers polymeric composites. Six from portfolio market representatives ( Fig. 1). second stage new proposed stage.