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UNCONVENTIONAL MACHINING SOLUTIONS
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FROM UNIVERSITY TO INDUSTRIAL WORLD
2009: consultancy agreement btw PoliMi and Vito Rimoldi S.p.a.
2012-2013: 2 Master thesisExpermental and numerical characterization of an innovative air assisted pure water jet system
2013: Master thesis[Villa – Volpi] A novel air assisted abrasive waterjet concept for microcutting applications
January 2014: PhD thesis[Arleo F.] Air-assisted water jet cutting technology
2013: research agreement
2011: research agreement
July 2010: Master thesis[Arleo F.] Numerical simulation of a pure water jet inside an orifice: jet stability and effects of droplets collisions
2017: WaAJet separates from VR becoming an independent company
2015: WatAJet starts its activity
2018: PhD thesisMicro abrasive water jet system for ultrafine cutting
2019: first patent
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WATAJET – LOCATION AND DIVISIONS
Via Tomasetto, 31 – Besnate (VA)
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WATAJET – LOCATION AND DIVISIONS
Micro ABRASIVE WATERJET DIVISION
1 High Precision micro
waterjet
machining center
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WATAJET – LOCATION AND DIVISIONS
1 Spinner TC300PRECISION TURNING DIVISION
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THINK
INSPIRE
Foster new ideas through
the new possibilitiesoffered by μAWJ
technology
DESIGN
We support the functional design
or re-design of your part focusing
on its
functional requirements and
feasibility
MAKE
Produce your final parts and
Check its quality and functionality
Tell us your ideas, needs and requirements
Steel – 5mm thick
THE VIRTUOUS CIRCLE ATTITUDE
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MICRO ABRASIVE WATERJET
DIVISION
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Main features:
▪ Double cutting head
▪ 2 working areas: 470X580 mm▪ Positioning precision: < 2.5 μm
▪ Machining accuracy: ≤ 10 μm
▪ Mechanical drilling unit
Micro Water Jet cutting division
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TECHNICAL SPECIFICATIONS
STEEL – TITANIUM – MAGNESIUM – COMPOSITES – CERAMICS – SANDWICHES - PLASTICS
• high accuracy: down to 10 µm
• excellent surface finish < 1 µm (Ra)
• small and complex features < 1mm
• completely material independent
• High thickness machining
• no HAZ nor thermal distortions
• low mechanical residual stresses
• high flexibility
• easy setup
• fast delivery times
AerospaceBiomedics ElectronicsWatchmaking Automotive Prototypes
HIGH PRECISION AND QUALITY MACHINING
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The 5 WatAJet Key points
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Titanium implants
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Micro-magnets
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Molibdenum filters
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Watch industry
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Biomedical components
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Nitinol and stainless steel springs and frames
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μAWJ CUTTING for fashion design and luxury
Sandwich1mm marble + 2mm carbon fiber
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Bovine bone specimens
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μAWJ CUTTING for applied physiscs
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Titanium frames
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Hard plastic gears
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Packing blades for automation industry
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Net-patterned artistic workpieces
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μAWJ CUTTING for applied physiscs
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Quartz plates
3 mm diameter holes
performed with µAWJ
in a 0.6 mm thick
quartz plates
Components for electronical applications
In collaboration with
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Amorphous glass frames
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Air-Assisted PWJ cutting of silicon gaskets
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RACE BRAKES and CUSTOMIZATION
Easy machining of any type of metal
• Easy machining of inhomogeneous materials
• Easy setup and fast delivery time
• Suitable for prototyping
• Pre-series preparation
• Possibility of complete customization
• Cut, marking or etching of names and logos
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μAWJ and PWJ turning
Tungsten fracture test specimens
obtained by µAWJ turning
FRACTURE AREA
FRACTURE AREA
Areas cut with µAWJ(linear striations)
Area turned with µAWJ(radial striations)
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μAWJ CUTTING of pre-series or prototypes
Preparatory prototypesfor blanking process
Stainless steel 0.5 mm thick
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PRECISION and HARD TURNING
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7-axis turning center
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7-axis turning center
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RESEARCH and DEVELOPMENT
DIVISION
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R&D – Dual purpose vision system integration
Development of a dual purpose vision system
Measurements either on-board or post-process
Increase the process reliability and precision
On-board measurements
CCD HD camera with
telecentric lenses and
coaxial illumination
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On-board inspection Post-process measurements
R&D – Dual purpose vision system integration
A NOVEL DUAL PURPOSE VISION SYSTEM FOR IN-SITU AND POST-PROCESS INSPECTION IN MICRO ABRASIVE WATERJET MACHINING
Federica Tumminello, Master Thesis [2018]
Accurate positioning
Faster and reliable workover
operationsOn-board measurements
Process in-line monitoring
Portability
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R&D – PATENT on a novel abrasive slurry dosing system
Slurry abrasive #600
Focuser Ø0,13mm
Kerf width:
0,15mmRa ~0,65µm
MICRO ABRASIVE WATER JET SYSTEM FOR ULTRAFINE CUTTINGViganò F., PhD Thesis [2019]
THE WORKSHOP TEAM
Commercial division eng. Stefano Volpi
R&D division eng. Francesco Arleo, PhD
Production division eng. Luca Villa
Scientific Coordinator prof. Massimiliano Annoni
