1. Test product categories and parameters
· Product category: New energy vehicle hybrid electric drive assembly
· Key parameters:
· Speed: Peak value ≥5000 rpm (input terminal), peak value ≥2000 rpm (wheel terminal)
Torque: Rated ≥260 Nm (input), sum rated ≥3300 Nm (wheel end)
2. Main functions of the equipment
1. NVH testing
· Supports dynamic detection of vibration (5 measurement points) and noise (3 measurement points) and is automatically connected through the servo mechanism.
2. External feature testing
· Dynamic loading torque and speed, coverage efficiency, drag torque, back electromotive force and other performance verification.
3. Software flash writing and self-learning
· Supports equipment software, client software flash writing and rotation self-learning functions.
3. Dynamometer parameters
type | Torque range | Speed range | Brand requirements |
High-speed input dynamometer (engine terminal) | Rated ≥260 Nm | Peak value ≥5000 rpm | Uniform with 400kWDVP bench |
Loading dynamometer (wheel end) | Total rating ≥3300 Nm | Peak value ≥2000 rpm | The brand of left and right motors is unified |
4. Production capacity and beat
· CT time: ≤600 seconds/unit
· Line change time: ≤15 minutes (including half-axis, wire harness, and tray replacement)
· Workstation operation time: in/out, loading and unloading clip ≤45 seconds
· Direct rate: One-time pass rate of single process ≥99%
5. Core features of equipment
1.
High compatibility design
2.
· Supports rapid switching of multi-model hybrid assembly, adapts to different center distances (180-230mm) and center height (10-90mm), and achieves flexible docking through online adjustment of servo axis system.
3.
Safety protection and safety regulations
4.
· Comply with international safety standards such as ISO 13849 and IEC 60204, equipped with emergency stop, safety door lock, leakage protection and high-voltage discharge functions (down to 36V within 5 seconds).
· Fireproof material (UL94V-0/V-1), ground resistance <1Ω, noise ≤75dB (0.5m distance).
5.
Intelligent and automation functions
6.
· Integrated automatic centering system, automatic docking of gas/water/oil/circuits, and supports online calibration (the torque sensor is not removed).
· Configure life monitoring (spline axes ≥50,000 times), liquid leakage detection and MES data interface to meet the accuracy requirements of Cmk≥2.0 and Cgk≥1.67.