MAR_126 - Design Engineer – Chassis Structure & Powertrain Packaging

Design Engineer – Chassis Structure & Powertrain PackagingPosition: Design Engineer – Chassis Structure & Powertrain PackagingExperience: 5–8 years in frame / welded structure design, with EV battery enclosure or powertrain mounting exposureQualification: B.E./B.Tech Mechanical or Automobile EngineeringAbout the role

Design the welded aluminium chassis frame, swappable battery enclosure and powertrain mounting of a four-wheel electric cargo vehicle.

Key responsibilities

• Design a welded 6061-T6 aluminium chassis frame and its members, including steering support and cross members.
• Define the fabrication scheme: tube and extrusion sections, joint design, weld symbols and heat-affected-zone allowance.
• Design suspension mounts as machined castings and a family of mounting brackets for bought-out components.
• Design a swappable battery housing for multiple 48 V Li-ion packs, with slide/removal mechanism, locking, drainage, venting and service access.
• Define cooling-fan provision with CAE; design fan mounting and airflow path.
• Design vibration-isolated mounts for the traction motor, pedal generator, on-board charger, BMS and DC-DC converter; package pedals and cranks.
• Develop a battery handling trolley concept.
• Produce weldment, casting and assembly drawings; support weld-fixture concepts with manufacturing.

Skills and tools

• Aluminium weldment design (AWS D1.2 or equivalent); extrusion and tube selection; casting design for machining; battery enclosure sealing and IP rating; mechanism design; GD&T.
• CATIA V5 or SolidWorks weldments.
• Preferred: awareness of traction-battery safety standards; EV battery enclosure experience.

About Marutee

Marutee Design & Engineering Pvt. Ltd. is a 200+ engineer firm headquartered in Bengaluru, with offices in Royal Oak, Michigan and Singapore, delivering mechanical design, CAE, electrical/harness and manufacturing engineering services.