Mm live presentationv2
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This project received €1.2 million in funding from the European Union to develop a next-generation micro-ECM sinking machine. The project involves 7 partners across 4 countries who are working to develop a machine with nanosecond pulsing capability and software simulation of the ECM process. The goals are to reduce costs for applications in automotive, aerospace and medical sectors by achieving faster cycle times, improved accuracy and surface finish for micro hole drilling.
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Mm live presentationv2
- 1. The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1? FP7 - Research for the Bene?t of SMEs Development of a next generation Micro-ECM sinking machine for the Automotive, Aerospace, & medical device sectors. €1.2?million?in?Funding?? Dr.?David?Tormey?
- 4. Partners? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1? No? Partner? Type? Country? 1? IT?Sligo? RTD/?Co©\Ord? Ireland? 2? Vox©\Power? SME? Ireland? 3? Brunel?University? RTD? United?Kingdom? 4? CDAMC? RTD? Ireland? 5? Sonplas?? SME? Germany? 6? Vrije?Universiteit? Brussel? RTD? Belgium? 7? Elsyca? SME? Belgium?
- 5. Brunel? CDAMC? Sonplas? Process?development? +? Demonstrator? VUB? Elsyca? SimulaUon? SoWware? IT?Sligo? Vox©\Power? PSU? Power?Supply?Unit? ?ECM? Process? Customizing?Process? ProducUon?Machine? concept? Customer? Partner?relaUonships?
- 6. Process?Advantages? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1? ???Reduce?the?costs?per?part?through? ?? Shorter?cycle?Ume? ?? No?tool?wear? ?? Less?down?Ume?(tool?replacement)?? ???Improved?machining?accuracy? ?? Roundness? ?? Repeatability??©\?No?need?for?dressing?of?electrode? ?? PosiUoning?of?cathode? ???Improved?surface?quality?? ?? Roughness?(Rt0.1?m)? ?? Individual?hole?shape?possibiliUes?
- 9. Project?Workpackages? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1? WP?No.? Title? Ac7vity? Lead?Partner? WP1? Project?Management? MGT? ITSligo? WP2? Power?Supply?Development? RTD? VOX©\Power? WP3? ECM?simulaUon?soWware? RTD? Elsyca? WP4? Design,?Test?&?Validate?micro©\ECM?? RTD? CDAMC? WP5? Build?demonstrator?prototype?micro©\ECM?machine? DEM? Sonplas? WP6? DisseminaUon©\ExploitaUon©\Knowledge?transfer? RTD? Sonplas?
- 10. WP2?©\??Power?Supply?Development? ?? Typical?PSU?characteris7cs? ??Uses?a?pulsing?stage?fed?through?a??lter?to?provide?DC? voltage?to?a?load.? ??Current?PSU?technology?switches?at?200kHz?to?1MHz.? ??Current?PSU?technology?uses?silicon?Mosfet?switches.? ?? ?uECM?applica7on?characteris7cs? ?? Requires?pulsed?voltage?without??ltering.? ?? Switching?frequencies?up?to?50MHz.? ?? AlternaUve?switch?technology?required.? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1?
- 11. Technical?challenges? ?? Custom?circuit?required?to?generate?50MHz? PWM?control?signal? ?? Power?switches?must?be?extremely?fast? switching?<3nS,?and?must?have?very?low? capacitance? ?? Accurate?measurement?of?circuit?parameters? will?be?di?cult?at?50MHz? ?? High?frequency?pulsed?current?will?require? very?low?circuit?parasiUc?inductance?? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1?
- 16. Assessment?of?current?status? ?? Progress?made? ?? Load?characterised? ?? Spice?SimulaUons?completed? ?? Power?switch?technology?idenU?ed?and?evaluated? ?? PWM?control?circuit?designed?and?veri?ed? ?? uC?selected?and?soWware?under?development? ?? 1st?pass?prototype?hardware? ?? Issues?idenU?ed? ?? IniUal?tests?show?that?controlling?parasiUc?elements?is?extremely? di?cult? ?? Probable?that?mulUple?PCB?iteraUons?will?be?required?to?opUmise.? ?? Delivering?clean?pulses?to?the?inter?electrode?gap?will?require?a?lot? of?design?e?ort? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1?
- 19. SimulaUon:?Slew?Rate? ?? E?ect?of?slew?rate? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1? 19? to?? ton?tslew? tslew? 18?V/ns?? T?x?3.1? 0.45?V/ns?? 0.225?V/ns?? T?x?1.7? T?
- 23. Test?Rig?results:?Electrolytes ?? ?? Sodium?Nitrate?(NaNO3)?¨C?Best?? ?? Sodium?Chloride?(NaCl)?¨C?Good? ?? Phosphoric?Acid?(H3PO4)?¨C?Poor? ?? Increased?concentraUon?increases?MRR?but? reduces?localisaUon.? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1?
- 26. ?ECM- Developed ECM Demonstrator?
- 27. ?ECM- Developed ECM Demonstrator?
- 28. Summary:?Work?Achieved? ?? Modelling?of?IEG? ?? Development?of?simulaUons?and?soWware? based?around?model? ?? Development?of?ECM?PSU? ?? Development?of?test?rig?and?validaUon?of? model?by?test? ?? Ongoing?design?and?development?of?a? demonstrator?machine? The?research??leading?to?these?results?has?received?funding?from?the?European?Union? Seventh?Framework?Programme??(FP7/2007©\2013)?under?grant?agreement?¡í?262072,? ?ECM?¨C?Micro?ECM?for?SMEs,?Research?for?the?bene?t?of?SMEs?FP7©\SME©\2010©\1?