Best Power-train mounting Design for ICE Vehicles and EVs

Best Power-train mounting Design for ICE Vehicles and EVs

MILIND AMBARDEKAR

Consultant

$ 20

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Beginner course for learners

Foundational Learning
Access to Study Materials
Self-Paced Learning

Why enroll

People join this course to gain in-depth knowledge of powertrain mounting systems for ICE and EV vehicles, enhancing their skills in design, analysis, and optimization. By mastering these concepts, professionals can improve vehicle performance, reduce vibration, and stay competitive in the evolving automotive industry.

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Course content

The course is readily available, allowing learners to start and complete it at their own pace.

Best Power-train mounting Design for ICE Vehicles and EVs

4 Lectures

224 min

How to kill Vibration of Vehicle thru best power train mounting?
60 min
Requirements Of Engine Mounting System
58 min
PT Mounting Design Targets
63 min
Conflicting Requirements Of Engine Mounts
43 min

Course details

The best powertrain mounting design for ICE vehicles and EVs differs due to distinct vibration sources and frequencies. For ICE vehicles, a traditional 3-point mounting system is commonly used, focusing on low-frequency dynamic stiffness to reduce vibration. In contrast, EVs benefit from a double isolation mounting system, which connects the powertrain to an auxiliary mass (subframe/cradle) via mounts, and then suspends it to the vehicle body via subframe bushes. This design addresses high-frequency resonance issues (600-1000 Hz) due to motor excitation frequency. Proper selection of mount stiffness, modal alignment, and material selection are crucial to avoid resonance and improve vibration isolation. Simulation-based design, transfer path analysis, and parametric studies can help optimize the powertrain mounting system for both ICE and EV applications.

Course suitable for

Automotive
Mechanical

Key topics covered

Optimal Design of Powertrain Mounting for the Best Vehicle NVH
Modal Separation principle, transfer paths, Optimization,
Transient Event Control, Rubber mount material property
Electric motor-train mounting special considerations, Advanced Hydra-mounts

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Ex-Tata Steel , Precision Engineering Division , West Bengal university

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ENGGENIOUS - (SAN Techno Mentors Private Limited)

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Govind Ballabh Pant Institute of Engineering and technology pauri garhwal

Pal college of technology and management

Paltech cooling towers and equipments limited

East Point College of Engineering and Technology

university of technology and applied science

Center of Skill Development for Employability and Entrepreneurship

Airbornics Defence And Space Private Limited

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MILIND AMBARDEKAR

Consultant

Questions and Answers

Q: You're sizing a vertical powertrain mount and googling "calculate ICE engine mount vertical stiffness from idle frequency". The 4‑cyl ICE has an idle firing frequency of 23 Hz. Target mount natural frequency is 0.7× idle. Supported mass at that mount is 85 kg. What vertical stiffness per mount do you release on the drawing?

A: A tracks units and the frequency ratio. Hz is converted properly and the tributary mass is used. B skips the 0.7 factor and inflates isolation risk. C drops three orders by mixing N/mm and kN/mm and also grabs the wrong mass basis. D adds a safety factor where it hurts isolation and ignores the frequency target.

Q: Warranty shows cracked HV connectors at ~40,000 km. You're searching "EV powertrain mount isolation failure HV connector fatigue cause". The EV uses a double isolation system. Subframe bush radial stiffness was increased by the supplier but stayed inside tolerance. What hazard does this change fail to protect against?

Q: You're reviewing a datasheet and googling "engine mount rubber cracking oil exposure ozone underhood". The ICE mount sits near the oil filter, sees 110°C peaks, and ozone from the radiator fan. What material choice best slows the dominant degradation?

Q: Early concept review. You're typing "ICE vs EV powertrain mounting system selection guide". Same vehicle platform offered as ICE and EV. NVH target is tight above 500 Hz for EV only. What mounting architecture do you lock for the EV?

Q: You're validating a calc and googling "engine mount transmissibility at resonance calculation". ICE mount damping ratio ζ = 0.12. Frequency ratio r = 1.0 during idle sweep. What transmissibility do you expect?

Q: Conflicting data case. You're searching "powertrain mount stiffness test bench vs vehicle mismatch". Lab test shows radial stiffness 15% higher than GA spec. Vehicle modal test still hits target frequencies. Supplier says it's fine. What do you do next?

Q: You're drafting a safety note and googling "powertrain mount failure physical consequence under braking". Front mount tears completely on an ICE vehicle. Rear mounts intact. What's the immediate physical consequence you expect?

Q: EV application near coastal region. You're googling "subframe bush corrosion galvanic aluminum steel salt". Aluminum cradle, steel inner sleeve, salt spray exposure. What dominates long-term degradation?

Q: Second conflict case. You're searching "mount drawing GD&T vs spec stiffness conflict". Drawing calls ±0.3 mm rubber height. Spec sheet controls stiffness only. Supplier hits stiffness but height is at +0.28 mm. Warranty NVH spike appears. What's your call?

Q: You're leading a redesign and googling "EV powertrain mount resonance 800 Hz mitigation strategy". Field data shows resonance at 820 Hz after 40,000 km as rubber ages +20% stiffness. What design change best attacks the root cause?

Best Power-train mounting Design for ICE Vehicles and EVs

MILIND AMBARDEKAR

$ 20

Beginner course for learners

Best Power-train mounting Design for ICE Vehicles and EVs

MILIND AMBARDEKAR

Why enroll

Opportunities that awaits you!

Earn a course completion certificate

Career opportunities

test

test

Test Qualification

Course content

Best Power-train mounting Design for ICE Vehicles and EVs

Course details

Course suitable for

Key topics covered

Our Alumni Work At

Why people choose EveryEng

Petrofac

Nainesh Desai

BBC

Chitra Sharma

SaiDeepa

Kranthi Bolineni

L&T

Omkar Zolekar

Electric Hydrogen

Nirdesh Patel

MILIND AMBARDEKAR

Questions and Answers

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