HOLS’s turnkey One-box production line realizes full automated assembly and validation for brake-by-wire EHB systems. It integrates core working stations: valve body assembly, electronic component press-fitting, solenoid valve fitting, multi-stage helium leak testing, high-pressure hydraulic performance verification and comprehensive EOL performance testing.

Equipped with full-process data traceability and closed-loop servo control, the line guarantees stable air tightness and uniform braking performance for mass production of One-box integrated hydraulic braking units, fully compliant with IATF 16949 standards for Tier 1 brake manufacturers.

ONE-BOX Assembly Line Technical Specifications

Cycle Time (C/T): ≤40s

Annual Capacity: ≥490,000 units

Yield: ≥98%

Operators: ≤12 operators

Product Variants: 6 models

ONE-BOX Assembly Line Key Processes

1.Valve Body Loading & Marking

2.HCU Valve Body Visual Inspection & Guide Sleeve Assembly

3.Valve Body Ball Press-Fitting

4.Visual Inspection & Cup Seal Leak Test

5.Solenoid Valve Assembly Press-Fitting

6.PFS & Master Cylinder Cup Leakage Test

7.PFS & Lips Component Assembly & Riveting

8.Master Cylinder Piston Assembly & Performance Test

9.Solenoid Valve & Assembly Comprehensive Performance Test

10.HCU Assembly High-Pressure Comprehensive Performance Test

11.EOL Performance Test

12.Assembly Packaging