Deputy Manager Railway Coupler Design
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Job Location:
Monthly Salary:
Posted on:
2 hours ago
Vacancies:
1 Vacancy
Job Summary
Key Responsibilities:
1. Gearbox Design & Development
Lead the conceptual detailed and final design of railway gearboxes (axle-hung nose-
suspended fully suspended final drive auxiliary gearboxes).
suspended fully suspended final drive auxiliary gearboxes).
Perform gear train design and optimization (helical spur bevel) including:
o Gear ratios torque transmission efficiency
o Noise vibration and harshness (NVH)
o Fatigue life and reliability calculations
Design gearbox housings shafts bearings seals lubrication systems and mounting
interfaces.
Ensure compliance with railway operational duty cycles shock loads thermal expansion
and environmental conditions.
o Gear ratios torque transmission efficiency
o Noise vibration and harshness (NVH)
o Fatigue life and reliability calculations
Design gearbox housings shafts bearings seals lubrication systems and mounting
interfaces.
Ensure compliance with railway operational duty cycles shock loads thermal expansion
and environmental conditions.
2. Materials Engineering (Critical Focus)
Select appropriate materials for gears shafts housings bearings and fasteners based
on:
o Fatigue strength
o Wear resistance
o Toughness
o Corrosion resistance
o Thermal performance
Define heat treatment processes such as:
o Carburizing nitriding induction hardening
o Quenching and tempering processes for gears and shafts
Evaluate and recommend advanced materials and surface treatments including:
o Alloy steels (e.g. CrMo NiCrMo etc)
o Cast irons and cast steels
o Aluminium alloys (where applicable)
o Coatings (shot peening DLC anti-scuffing corrosion protection etc)
Select appropriate materials for gears shafts housings bearings and fasteners based
on:
o Fatigue strength
o Wear resistance
o Toughness
o Corrosion resistance
o Thermal performance
Define heat treatment processes such as:
o Carburizing nitriding induction hardening
o Quenching and tempering processes for gears and shafts
Evaluate and recommend advanced materials and surface treatments including:
o Alloy steels (e.g. CrMo NiCrMo etc)
o Cast irons and cast steels
o Aluminium alloys (where applicable)
o Coatings (shot peening DLC anti-scuffing corrosion protection etc)
Collaborate with materials and metallurgical teams on failure analysis and root cause
investigations.
investigations.
3. Manufacturing Processes & DFM/DFA
Ensure Design for Manufacturing (DFM) and Design for Assembly (DFA) principles are
applied throughout development.
Define and validate manufacturing routes for gearbox components including:
o Forging casting machining grinding
o Gear cutting (hobbing shaping grinding etc)
o Heat treatment and distortion control
Work closely with suppliers and manufacturing plants to:
o Review manufacturability risks
o Optimize cost and lead times
o Resolve production quality issues
Support process validation pilot builds and series production ramp-up.
4. Engineering Analysis & Validation
Perform or guide strength fatigue and thermal calculations for gearbox systems.
Use or review FEA and analytical methods to validate design of gearbox components
Gears Housings Shafts Bearings etc.
Define test plans for type testing endurance testing and validation per railway standards.
Analyse test results and implement design improvements.
5. Standards Compliance & Safety
Ensure designs comply with applicable international and regional railway standards such
as: EN IEC ISO; UIC; AAR
Apply RAMS (Reliability Availability Maintainability Safety) principles.
Ensure gearbox designs meet life-cycle requirements (typically 30 40 years).
