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MICRO/ MESO PROCESSING OF DIAMOND STRUCTURES FOR TOOLING APPLICATIONS The conventional manufacturing methods of (super)abrasive tools generally result in random crystallographic orientations of the abrasive grits with their inherent positioning/spacing inconsistencies on their working surfaces.
A novel concept of robust generation of preferentially orientated and feature-controlled diamond micro-arrays has been developed and patented.
This is based on using pulsed laser ablation to generate micro-features on diamond based tools so that controlled dimensions/arrangements of abrasive grits can be generated.
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RESEARCH & DEVELOPMENT IN ABRASIVE WATERJET MACHINING
Abrasive water jet (AWJ) machining is one of the most promising non-conventional processing methods for difficult-to-cut materials such as advanced aerospace components, ceramic materials, composites and super-abrasives including diamond.
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MCM research group is leading a 4 mil. euro EU funded project on Self-Learning Control System for Freeform Milling with High Energy Fluid Jets (ConformJet) |
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Our expertises in machining covers:
• Processes with defined cutting edges: turning, milling, high speed milling, drilling, reaming and broaching of difficult-to-cut materials.
• Processes with undefined cutting edges: grinding, VIPER grinding, belt polishing, bob polishing of aerospace materials.
• Micro-machining including micro-milling, micro-drilling of metallic alloys.
• Micro-machine tools construction such desktop multi-axis machine tools.
• Hybrid processes: turning & deep drawing/burnishing, cryogenic polishing.
• Analytical and empirical modelling of cutting aspects such force/torque prediction, subsurface damage, residual stresses.
• Abrasive waterjet machining: the 5-axis waterjet system is currently employed for through cutting, milling and turning of advanced and difficult-to-cut materials.
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INNOVATIVE DESIGN OF TOOLS & FIXTURES
MCM group is currently involved in innovative design activities of tooling and fixturing systems to support advanced manufacturing processes.
In-process measurement of mechanical (e.g. forces, acceleration, torques, displacement) and thermal effects of processing methods is difficult to be done via off-the-self sensorial systems. MCM has been developing embedded sensing solutions into tooling and fixturing systems to enable their industrial use.
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