As the core precision component of new energy vehicle thermal management systems, automotive electric water pumps require extremely stringent standards for assembly accuracy, structural tolerance and sealing reliability. Tailored to the high-precision manufacturing characteristics of electric water pumps, the HOLS fully automatic assembly and testing line adopts a circulating pallet conveying architecture to support precision assembly of pump housings, motor components and sealing modules. The production line realizes mixed-model synchronous manufacturing for multiple electric water pump specifications, delivering flexible and high-efficiency mass production capabilities.

Core Production Processes
The turnkey solution covers the full closed-loop manufacturing process, including motor core assembly, structural sealing assembly, electronic component integration and end-of-line performance validation. All production and testing procedures are completed on one single integrated line without additional auxiliary equipment.
- Rotor assembly and magnetization
- Stator subassembly assembly
- Positioning sleeve precision press-fitting
- Multi-layer sealing component assembly
- PCBA pre-assembly and positioning
- Post-assembly visual inspection
- Cover plate precision fastening and locking
- Air tightness leakage testing

- Comprehensive EOL functional performance testing

Production Line Advantages
Industry-Leading Ultra-Fast Takt Time

By optimizing process logic, station layout and material conveying rhythm, the line achieves an ultra-high mass-production takt time of ≤10 seconds per unit. This top-tier production efficiency greatly releases customer production capacity and significantly improves large-scale manufacturing competitiveness.

High Flexible & Fast Model Changeover

Equipped with balanced and stable production rhythm, the line supports mixed production of multiple electric water pump models. Rapid fixture switching and parameter configuration enable fast product iteration, perfectly adapting to multi-variety and batch-variable production demands.

Multi-Layer Error-Proof Design for Superior Quality Consistency

The entire line integrates machine vision systems, precision sensors and multi-dimensional error-proof verification mechanisms to achieve full-process quality monitoring. It effectively eliminates assembly defects, ensures high-precision product performance and stabilizes batch consistency for mass production.

Modular Layout for Strong Scalability & Iterability

Adopting standardized modular workstation design, the production line features stable operation, low noise and high operational reliability. The flexible architecture supports subsequent product iteration, production line upgrading, capacity expansion and process reconstruction, providing long-term scalable manufacturing value for customers.

HOLS Technical Strength & Industry Empowerment

With the rapid expansion of the new energy automotive industry, HOLS Automation has long been deeply focused on intelligent manufacturing of automotive chassis and thermal management components. From micron-level precision assembly of various vehicle motors to the successful implementation of high-speed electric water pump turnkey projects, HOLS continues to accumulate independent R&D capabilities and mature engineering experience.

Automotive component manufacturing demands zero-defect precision and strict batch stability. With rapid project response capabilities and standardized intelligent manufacturing technology, HOLS has built a wealth of mass-production cases in new energy thermal management components and chassis power systems. We continuously assist global partners in expanding production scale and strengthening core market competitiveness.

In the future, HOLS Automation will continue to focus on precision intelligent manufacturing. Driven by technological innovation and iterative upgrading, we will further promote intelligent transformation for automotive factories and empower high-quality and sustainable development of the global new energy vehicle industrial chain.