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NEOOTO CO., Ltd
R&D

We will never stop working for the future of mobility and the happiness of mankind.
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R&D

About the R&D Center

NEOOTO R&D Center is responsible for the successful execution
of various projects of domestic and foreign customers including
sustainable management, identification and prediction
of customer trends for the development of products that will
be responsible for the future of Neooto, establishment
of R&D strategies and product development accordingly,
cost management, technology and process management, etc.

R&D OVERVIEW (Modularization Plan for e-PT)

As-Is (~`24)
  • 5 Types of Reducers
  • e-Parking Systems

Electrification of Internal Combustion Vehicle

  • K7
    100kW F/f-Type
  • Hyundai Accent
    45kW F/f-Type
  • Hyundai Porter
    45kW F/r-Type
  • 4 transmissions
  • TCU Systems

Electrification of Internal Combustion Vehicle

  • Kia Bongo
    100kW F/r-Type
  • Danigo EV van
    45kW R/r-Type
Now (`25~)
Parking mechanism stabilization
  • Optimized design of parking mechanism
  • Securing parking actuator reliability
Stabilizing e-Parking Systems
  • Improving Parking Actuator Performance
  • Securing Act. control technology
Securing and improving reducer reliability
  • Expanded reducer durability/performance testing
  • Systematization of reducer test data
Securing control technology and infrastructure
Stabilization of transmission components
  • Optimized design of shifting mechanism parts
  • Ensure Transmission Mechanism Reliability
Stabilize TCU Systems
  • Improve TCU performance (external collaboration)
  • Securing TCU development technology
To-be (~`30)
Strategy Line-up selection and modularization development Potential customers: tuning / small EV / retrofit market
Establish cooperation
among target companies
Reducer + eParking
or 2-speed transmission +
TCU (Neooto)
Inverter
(Participating companies)
Drive motor
(Participating companies)
PE modularization and standardization to secure price competitiveness
  • Improving the performance of sensors/transmissions and applying optimization by motor
  • Expand publicity through continuous participation in exhibitions (1-2 times/year)
  • Integrated exhibition of chassis/drives/robots
  • Sales/Planning/R&D Center/New Business Partnership Organization

Major R&D Areas

01. AL DIFF. CASE Technology Development
Development of aluminum diff case
AL DIFF. CUP
Durable strength test
AL DIFF. COVER
Vibration endurance test
Item Unit Iron Casting Development Product
(Aluminum alloy)		 Remark
Weight g 2,618 1,194 Weight reduction rate 52% or more
Tensile strength Mpa Min. 600 368 -
Yield strength Mpa Min. 370 316 -
Elongation % Min. 3 16 -
Durability performance km 30만km equivalent 30만km equivalent No issue
Power endurance perform - - Total running time : 366 min No issue
Power transmission efficiency % - Before test 82.8%
After test 82.5%		 No issue
Vibration endurance performance % - Total vibration time : 48 hr No issue
Development Goals
  • Replace existing cast iron (FCD600) material with AL alloy (A6061)
    Reduce weight
    (Improve fuel efficiency)
  • Secure AL alloy production technology (process)
    Strengthen AL alloy stiffness
    and improve functionality
  • Optimal shape design and analysis
    Quality/Price
    Secure competitiveness
Feature Comparison
Classification Conventional casting
process (FCD600) 		Aluminum alloy
Cast process
(A380) 		Cold forging process
(A6061)
Mechanical property Tensile strength (MPa) Min. 600 Min. 241 Min. 320
Yield strenght (MPa) Min. 370 Min. 132 Min. 280
Elongation (%) Min. 3 Min. 23 Min. 10
Density by material (g/cm3) 7.32 2.8 (2.6 times lighter than iron casting) 2.8 (2.6 times lighter than iron casting)
Key features Excellent castability,
Excellent strength and friction resistance,
Excellent machining,
High weight 		Excellent corrosion resistance, Good castability, Low productivity High mechanical properties,
Excellent productivity,
Improved dental density,
Limited molding of complex shapes
Low strength compared to cast iron
(meets required performance level)
02. Developing gearshift technology for eco-friendly commercial vehicles
Development of multi-speed transmission motorized powertrain technology for eco-friendly commercial vehicles
03. Developing actuator technology for robots
Developing localization technology for rover drive components for planetary exploration through the development of self-designed reducers
  • ROVER DRIVETRAIN
    • Reducer for suspension
    • Reducer for drive
    • Reducer for steering
  • ROBOTIC ARM
    • Reducer for work machine
Overview
  • Project Name Material Parts Technology Development Project
  • Target Vehicle Space rover and mobile robot Actuator
  • Development Period -
Purpose of development
  • Precision and small size applicable to robots development of own reducer
  • Development of reducer that works in space environment
  • Development of drive/ suspension/steering/articulation reducer for planetary rover
Development Direction
  • Replacing labor force due to declining population (Era of Robot)
  • Securing technology for the expansion of robot applications across industries
  • Accumulation of self-developed technology of precision miniature reducers for robots
First prototype
(basic performance verification)
Second prototype
(productivity enhancement)
04. Development of reducer for driving mobile robots - NEO-Exen reducer
Smart integrated drive module

Purpose of development

  • Integrated drive module for mobile robots
  • Evaluation technology of drive module reducer
Mobile robot

Research facilities

Startup / Assembly / Test facilities
T/M DYNAMOMETER
Input Motor (1Set)
  • Maker (Country)
    • AKH (Germany)
  • Main Spec
    • Rated Power : 160kW
    • Max. Torque : 400Nm
    • Max. Speed : 16,000rpm
    • Air Cooling Type
Out Motor (2Set)
  • Maker (Country)
    • SIEMENS (Germany)
  • Main Spec
    • Rated Power : 275kW
    • Max. Torque : 10,943Nm
    • Max. Speed : 2,800rpm
    • Air Cooling Type
Noise Chamber (1Set)
  • Maker (Country)
    • VMV-Tech (Korea)
  • Main Spec
    • Sliding Shut Type
    • Blocked Outside Noise
NVH Tester
  • Maker (Country)
    • VMV-Tech (Korea)
  • Main Spec
    • Channel : 16ch
    • M’ment Time Data of NVH
    • Analysis of Overall Level
    • Analysis of Sound Quality
SHIFT PERFORMANCE TESTER
PROTO ASSEMBLY EQUIPMENTS
Oil-Pressure Press
Heating Chamber
Air Leak Tester

Software

Div Name (Maker) Image Q’TY Contents
2D & 3D
Design 		AutoCAD
(AUTODESK) 		14
  • 2D Drawing Design
  • Detailed drawing design
CATIA V5
(Dassault Systems) 		3
  • 3D part and assembly structure design and assembly interference checking
  • BOM optimization creation
  • BOM optimization creation
Design /
Calculation 		KISSsoft & KISSys
(KISSsoft) 		1
  • Gearbox design and strength calculations
  • Gear mesh calculation of planetary gear set components
  • Efficiency and power loss calculation for bevel, spur, helical gear, etc.
  • Calculate system and bearing strength/lifetime and safety factor
Systems & Parts
Analysis 		ABAQUS
(Dassault Systems) 		1
  • 3D Nonlinear Durability Analysis
  • Multi-physics integrated analysis including structural, thermal, electrical, etc.
  • Finite element analysis (collision, structural durability, noise vibration, etc.)
TCU Logging &
Analysis 		CANoe
(VECTOR) 		1
  • Analysis CAN/LIN network communication
  • CAN signals to a single controller (TCU)
  • Controller (TCU) CAN simulation
  • CAN network testing