Railway Vehicles

Metro de Medellìn, Colombia: Replacement of Bogie Bolsters

Scope of supply LEC
  • Repair concept with EAFIT
  • Coaching CAD design and FE calculation
  • Specification aluminium extrusions
  • Specification welded and machined bogie bolster
  • Monitoring and documentation of purchasing process
  • Monitoring of welding process of prototype assembly acc. to EN15085
  • Planning and coaching of fatigue test
  • Monitoring of on site running tests
Period
2013 - 2016
Customer
University EAFIT, Colombia

PowerHawl freight locomotive

Scope of supply LEC
  • Crashworthiness concept EN15227
  • Multi body simulations
  • Specification of all energy absorbing components
  • Specification and development buffer crush boxes
  • Detail design for fabrication optimisations, design to cost
  • Specification of buffer fatigue loads and coordination of fatigue analysis of buffer crush boxes
  • Coordination design - calculations and simulations - fabrication
  • Proof of collapse safety of steel carbody in differential construction method
  • Preparation 1:1 scale crash tests
  • Elaboration of certification documents regarding crashworthiness
Period
2008 - 2014
Customer
Molinari Rail / GET

Metro Mockup

Scope of supply LEC
  • Carbody concept
  • Application of existing structural components in aluminium and GRP
  • Hand calculations of most important strength load cases
  • Coordination FEA - design - fabrication
  • System integration doors, interiors, etc.
  • Manufacturing concept
Period
2011
Customer
Molinari Rail / Scomi

EMU GRCI

Scope of supply LEC
  • Concept carbody in aluminium integral construction method
  • Manufacturing concept and manufacturing process visualisations
  • Detail design carbody
  • Crashworthiness concept according to EN15227
  • Multi body simulations
  • Specifications of energy absorbing components
  • Coordination design - calculations and simulations
Period
2009 - 2010
Customer
Molinari Rail / CSR Puzhen

Freight locomotive

Scope of supply LEC
  • Crashworthiness concept EN15227
  • Multi body simulations
  • Specification of all energy absorbing components
  • Specification and development an energy absorbing buffer draw hook unit
  • Detail design for fabrication optimisations, design to cost
  • Specification of buffer fatigue loads and coordination of fatigue analysis of the buffer draw hook unit
  • Coordination design - calculations and simulations - fabrication
  • Proof of collapse safety of steel carbody in differential construction method
  • Preparation 1:1 scale crash tests
  • Elaboration of certification documents regarding crashworthiness
Period
2007 - 2010
Customer
Molinari Rail / GET

Metro de Medellin, Columbia

Scope of supply LEC
  • Damage analysis regarding cracked body bolster
  • Repair proposals based on specified fatigue loads by the operator
  • Repair concept implementation in operators workshop
  • Coordination of fatigue proof calculations
  • Investigations regarding stress-corrosion cracking
Period
2008 - 2009
Customer
PROSE AG / Metro de Medellin

Tramway

Scope of supply LEC
  • Consultancy and support for carbody refurbishment
Period
2006
Customer
vertraulich

Highspeed Train KTX-2

Scope of supply LEC
  • Design reviews carbody structure
  • Re-design for series production
  • General consultancy regarding design and manufacturing of aluminium car body shells in integral construction method
  • CAD models of optimised carbody structure alternatives
  • FEA of modified car body structure
Period
2006
Customer
ROTEM, Südkorea

Regional train "Integral"

Scope of supply LEC
  • Refurbishment of roof: bonded sandwich panels
  • Re-design carbody structure
Period
2001 - 2008
Customer
Connex / BOB

Panoramic coach for RhB and MGB

Scope of supply LEC
  • Consultancy carbody: from concept to realisation
Period
2003 - 2004
Customer
StadlerRail AG

FLIRT: regional train carbody

Scope of supply LEC
  • Crashworthiness according to operator spec
  • Carbody concept and design to cost
  • Technical coordination design - calculation - fabrication - certification
  • Proof of crashworthiness
  • Vehicle acoustics
  • Fire protection concept
Period
2002 - 2004
Customer
StadlerRail AG

Repair BTI vehicle after collision with tractor

Scope of supply LEC
Period
2002
Customer
StadlerRail AG / BTI

TLRV Taiwan: Tram Taipei

Scope of supply LEC
  • Consultancy carbody in steel
Period
2001 - 2002
Customer
PROSE AG / Elektrowatt

GTW-2 LRV

Scope of supply LEC
  • Design of improved carbody
  • Fabrication cost reduction, particularly in front section
  • Optimisation of fabrication processes reliability
  • Optimisations and specification of energy absorbing components
  • Proof of crashworthiness
Period
2001 - 2003
Customer
StadlerRail AG

Venturio high speed train: crashworthiness concept

Scope of supply LEC
  • Consultancy crash concept and front structure
Period
2001
Customer
Siemens

High Speed Train, Korea

Scope of supply LEC
  • Consultancy carbody design in aluminium
  • Febrication consultancy and support
Period
2001
Customer
ROTEM / Alcan MTS