Links
Professional associations
WLZ Gear Research Circle
http://getriebekreis.deDeutsche Gesellschaft für die Materialkunde [German Society for Surface Technology]
https://dgo-online.deDeutsche Gesellschaft für die Materialkunde [German Society for Materials Science]
https://dgm.deGerman Abrasives Association
https://vds-bonn.deVerband der Deutschen Federnindustrie [German Spring Industry Association]
https://federnverband.deVerein Deutscher Formenbauer [Association of German Mould-Makers]
https://vdwf.deDeutsches Institut für Normung e. V.
https://din.deUnited Kingdom Spring Manufacturers Association
https://esf-springs.comSpring Manufacturers Institute
https://smihq.orgFEPA-Website, safe usage of grinding tools
https://abrasivessafety.comMaterial and Engineering Knowledge Base
Engineering Fundamentals -Tooling
https://efunda.comMatWeb - Material Property Data
http://matweb.comInformation about steel for metallographers
https://metallograf.deForschungsgemeinschaft Schleiftechnik [Grinding Technoloyg Research Council]
http://fgs-bonn.deHardness test standards
https://ipa.fraunhofer.deOptimization of cooling lubrication systems (German)
https://grindaix.de
