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Electric Drive Unit (EDU) - JW Froehlich Maschinenfabrik GmbH

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SolutionsIndividual test systems forElectric Drive Units (EDU)BatteriesFuel cellCompressorsCombustion enginesTest systems forTransmissionsIndividual test systems forElectromobilityLeak test panels forPowertrain solutions, medicine and industryDigital solutionsFrom Concept to Production StartSOLVISO®Measurement data acquisition systemSOLCOR®CompetenciesOur expertiseTest methodsSectorsOur partnersCollaborationsIndividual test systems forElectromobilityServicesExpert supportWorkshops and online eventsService offer and service requestProduct videosProduct videosDownloadsData sheetsOperating instructionsLeak test manual CertificatesNewsCurrent topicsJW Froehlich worldwideWe are FroehlichOur Motivation and HistoryWe are customer-orientedLocations and contacts worldwideCareerShaping the future togetherYour Career at JW FroehlichJob opportunitiesContactDownloadsCurrent topics×DeutschEnglish×Individual test systems forElectric Drive UnitsJW Froehlich GmbHSolutionsElectric Drive Units (EDU)The requirements of test stand performance for electric drive units (EDU) and their components can vary greatly and strongly depend on the intended application: Development test stands, for example, are highly flexible, but are usually set up manually. Q test stands are used for establishing test parameters for the pre-series and provide a link between development and production. Finally, end-of-line (EOL) test stands have to be particularly efficient, which is why they are often mostly automated. Advice by JW Froehlich on the application-oriented development can help to achieve better cost efficiency, for example by reducing cycle times and limiting the tests to the necessary range of performance and measurements. 

Many automotive manufacturers are increasingly focussing on individual testing of inverters. The heart of an electric vehicle integrates many different functions, and is increasingly manufactured in-house. JW Froehlich’s customized solutions for inverter development and production range from manually set-up development test stands and screening test chambers (for higher loads) to fully automated EOL test stands. 

Automation solutions in EOL test stands by JW Froehlich comprise contacting, clamping unit design and test part logistics – depending on the requirements this may include the use of robots. Our internal measurement and testing technology (SOLVISO, SOLCOR) can also be integrated, as can customized solutions. JW Froehlich covers all testing processes – from leak testing and electrical HV testing to functional and load testing. 

Test methods and contentsLeak tightness testingHV/LV testsSensor/actuator checksLoad tests (NVH)Surge voltagePartial discharge testingResistance measurementInductance measurementEnd-of-line test field for invertersAssembly and test bay for truck e-axlesSingle-flank testing for electric drive gearsEOL function test for electric drive unitsDevelopment test stand for electric drive unitsFunction test stand for electrical air compressors Function test stand
for rear axle drive Function test stand
for front axle drive RELATED TOPICSBatteriesFuel cellTransmissionsWHO WE ARE

JW Froehlich 
Maschinenfabrik GmbHInnovative strength and comprehensive expertise make JW Froehlich a sought-after international provider of complex testing and assembly systems for alternative and conventional drive technologies. Around 350 employees currently work for the forward-looking company in Germany, England, the USA and China.

WHERE TO FIND US

HOW TO FIND US

JW Froehlich
Maschinenfabrik GmbHKohlhammerstraße 18-24 
70771 Leinfelden-Echterdingen 
Phone +49 711 79766-0 
Fax +49 711 79766-119 
info@jwf.com

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