1. Production line product categories and components

1. Product Category:

· Hybrid five-in-one electric drive assembly (compatible with 3 models), power generation three-in-one electric drive assembly (compatible with 1 model)

2. Core technology:

· Bench test; airtight test; safety test; software brushing; appearance inspection; attachment installation

2. Equipment automation rate and quantity

1. Automation rate:

· Fully automatic station: accounting for about 70%

2. Total number of equipment:

· Fully automatic equipment: 12 units

· Semi-automatic equipment: 5 units

· Manual equipment: 2 units

· Test bench: 4 units

3. Equipment compatibility

· Adapt product categories:

1. Hybrid five-in-one electric drive assembly (3 models)

2. Three-in-one electric drive assembly (1 model)

· Extension capability: reserved software and hardware interfaces, compatible with derivative models of the same platform

4. Important components brands

5. Core characteristics of the production line (except general requirements)

1. Flexible mixed flow production:

· Supports random launch of different models of products, with a replacement time of ≤15 minutes.

2. High-precision online testing:

· Torque test repeatability GR&R ≤30%, NVH test accuracy ±0.5dB.

3. Full process data traceability:

· RFID bound box number, key process parameters are stored ≥10 years.

4. Standardized rack design:

· Manual, semi-automatic, automatic station width and consistent appearance, and independent transmission, control and pneumatic systems; it is convenient for the addition of redundant stations in the future, with a short transformation cycle and a refined appearance.

6. Main process stations (Top 5)

1. Comprehensive test station (EOL/NVH integration)

· Function: Overall machine performance test (torque/speed/power) + vibration noise analysis, intercept abnormal noise and performance abnormalities.

2. Oil filling/pumping station

· Function: Accurate filling of oil (Error ±0.1L) and residual oil recovery, circulation filtration accuracy ≤10μm.

3. Automatic appearance detection work station

· Function: 3D visual detection of surface defects, missed installations, defect recognition rate ≥99.5%.

4. Manually tighten the work station

· Function: servo tightening (torque ±5%, angle ±0.5°), leak-proof counting.

5. Airtight test station

· Function: Oil circuit/cooling system seal detection (leakage rate ≤0.1%FS).

7. General technical requirements (Top 4)

1. Equipment accuracy and stability

· Cmk is ≥2.0, and the calibration period of the measuring instrument is ≤3 months.

2. Safety protection requirements

· Fully enclosed protection of the robot area (safety grating + emergency stop button), protection level IP54.

3. Appearance cleanliness requirements

· Foreign matter residue standard: particle size ≤0.1mm, metal debris ≤5mg/m².

4. Data management specifications

· The test data is uploaded to MES in real time, and the local storage is redundant backup ≥2 copies.