Electric Oil Pump (EOP) Manufacturing Solution

Electric Oil Pump (EOP) Manufacturing Solution

Fully Automated Production System for Automotive Electric Oil Pump Assembly

JHY provides complete automation solutions for electric oil pump manufacturing, integrating stator winding, rotor assembly, pump module assembly, sealing processes, performance testing, and MES-based production traceability.

The solution is designed for automotive applications requiring high reliability, precise assembly control, and stable mass production capability.

Electric Oil Pump (EOP) Manufacturing Solution

Solution Overview

Integrated Manufacturing Solution for Automotive Electric Oil Pumps

Electric oil pumps require precise motor manufacturing, reliable sealing performance, and strict quality control to ensure stable operation in automotive systems.

JHY provides a complete automated manufacturing solution covering stator winding, rotor assembly, pump housing integration, sealing assembly, functional testing, and intelligent production management.

Through advanced automation technology and MES traceability systems, JHY supports customers in achieving efficient and reliable EOP mass production.

Precision Motor Manufacturing

Advanced winding and rotor assembly processes ensure stable motor performance.

Reliable Sealing Technology

Integrated O-ring assembly and airtightness testing improve product reliability.

Intelligent Production Management

MES and DMC systems enable complete manufacturing traceability.

Key Manufacturing Capabilities

Complete Electric Oil Pump Manufacturing Process Integration

JHY integrates multiple automated processes from motor component manufacturing to final pump assembly, providing a complete EOP production solution.

Precision Stator Winding

JHY applies advanced nozzle winding technology to achieve accurate wire positioning and stable coil quality for automotive pump motors.

Key Features:

  • Automatic stator loading
  • Multi-station nozzle winding
  • Wire lead adjustment
  • Stable winding quality

Rotor Assembly & Magnetic Processing

Automated rotor processes ensure accurate magnetic component installation and reliable motor performance.

Key Features:

  • Rotor loading
  • Magnet steel pressing
  • Dynamic balancing
  • Magnetization inspection

Pump Module Assembly

Integrated assembly processes ensure accurate mechanical positioning and reliable product integration.

Key Features:

  • Stator and rotor assembly
  • Clearance detection
  • Pin pressing
  • Pump cover assembly
  • Filter assembly

Sealing & Reliability Testing

Advanced sealing processes verify product reliability under automotive operating conditions.

Key Features:

  • O-ring assembly
  • Isolation sleeve pressing
  • Wet-zone airtightness testing
  • Dry-zone airtightness testing

Automated Production Process

Complete Electric Oil Pump Manufacturing Process

The automated production line integrates motor manufacturing, mechanical assembly, sealing, testing, and intelligent data management to provide a complete solution for automotive electric oil pump production.

Process Flow

01 Motor manufacturing
  1. Stator Loading
  2. Nozzle Winding Process
  3. Wire Lead Adjustment
  4. Housing Loading
  5. Stator Housing Heat Shrinking & Cooling
  6. Height Detection
02 Rotor assembly
  1. Rotor Loading
  2. Rotor & Magnet Steel Pressing
  3. Rotor Dynamic Balance Testing
  4. Rotor Magnetization Inspection
03 Pump assembly
  1. Rotor & Stator Assembly
  2. Clearance Detection
  3. Secondary Pressing & Positioning Pin Assembly
  4. Pump Cover Assembly
  5. Filter Assembly
  6. O-ring Assembly
  7. Isolation Sleeve Pressing
04 Electrical assembly & testing
  1. Electrical Performance Testing
  2. PCBA Assembly
  3. Thermal Riveting & Heat Dissipation Adhesive Application
  4. Rear Cover Assembly
  5. Rear Cover Press Fit
  6. Lock Screw Assembly
  7. Wet Zone Airtightness Testing
  8. Dry Zone Airtightness Testing
  9. Program Burning
  10. EOL & NVH Testing
05 Traceability & final handling
  1. Laser Marking & DMC Traceability
  2. Product Cleaning
  3. MES Data Collection

Core Manufacturing Technologies

Automotive Motor Manufacturing Technology

Stator Winding System

JHY provides precision stator winding solutions for electric oil pump motors, ensuring stable coil quality and production consistency.

Features:

  • Automatic stator handling
  • Nozzle winding technology
  • Wire management
  • Process control

Rotor Assembly & Balance Testing

Automated rotor assembly processes improve mechanical accuracy and motor reliability.

Features:

  • Magnet steel pressing
  • Dynamic balance testing
  • Magnetization inspection
  • Rotor positioning control

Pump Assembly & Sealing Technology

Complete automation for pump housing assembly and sealing processes.

Features:

  • Housing integration
  • O-ring assembly
  • Isolation sleeve installation
  • Airtightness testing

End-of-Line Testing & Quality Control

Integrated testing systems ensure final product performance and reliability.

Features:

  • Electrical performance testing
  • Program burning
  • NVH testing
  • Final inspection

Intelligent Manufacturing & MES Traceability

Smart Manufacturing System for Automotive Production

JHY intelligent manufacturing system integrates MES, DMC, and electronic SOP management to achieve transparent and traceable production.

The system supports:

  • Real-time production monitoring
  • Process parameter recording
  • Test data linking
  • Product genealogy tracking
  • Quality data management
  • Electronic SOP management

Solution Advantages

Why Choose JHY?

Complete EOP Manufacturing Solution

Integrated automation from motor components to final pump assembly.

Automotive-Level Quality Control

Multiple inspection and testing processes ensure product reliability.

High Production Efficiency

Optimized automation processes support stable mass production.

Intelligent Factory Integration

MES and traceability systems enable data-driven manufacturing.

Looking for an Electric Oil Pump Manufacturing Solution?

JHY provides customized automation solutions for automotive motor manufacturing, pump assembly, inspection, and intelligent production.

Electric Oil Pump (EOP) Manufacturing Solution