As the cockpit experience continues to upgrade, automotive acoustics systems are accelerating toward multi-speaker, multi-channel, and high-performance development, which imposes higher requirements on the manufacturing accuracy, production efficiency, and quality stability of power amplifier products. To address the complex mass production needs of high-end automotive amplifiers, Lead Intelligent takes automated assembly and testing as the core, integrating 3D+AI vision, precision fluid technology, intelligent logistics, and digitisation quality control, to build a flexible and efficient smart production line, achieving full-process collaboration of assembly, inspection, and quality traceability, thus helping automotive acoustics products steadily achieve large-scale, high-quality delivery.
Multi-speaker era
Acoustic manufacturing moves toward precise quality control
The configuration of automotive acoustics is transitioning from 6-8 speakers in the internal combustion engine era to the mainstream of more than 20 speakers in new energy vehicles, with flagship models even exceeding 40 speakers. As the number and channel layout continue to increase, automotive audio is shifting from “hardware stacking” toward a more immersive and precise cockpit experience. At the same time, EV powertrain technologies and intelligent driving technologies are gradually converging, and acoustic experience has become an important tool for car manufacturers to create product differentiation and luxury.
The upgrade of acoustic experience not only tests product design but also puts higher requirements on manufacturing accuracy and quality control. Multiple speakers are distributed at locations such as the ceiling, door panels, seats, and headrests. Minor deviations in assembly position, angle, and amplifier performance may affect the sound field and audio quality performance.
Facing the complex mass production scenarios of multi-speaker and multi-channel coordination, traditional manual sampling inspection can no longer comprehensively cover quality risks. The high-end development of automotive acoustics systems is driving the manufacturing process toward high precision, high efficiency, and intelligent quality control transformation.
Automotive amplifier manufacturing upgrade
Building high-precision automated assembly and testing
To address the challenges of assembly consistency, detection efficiency, and quality control in the mass production scenarios of high-end automotive amplifiers with multiple models, small batches, and high precision, Lead Intelligent develops an automated assembly and testing solution for automotive amplifiers, deeply integrating 3D+AI vision, intelligent conveying systems, and precision fluid technology. Through the collaboration of robotic arms, conveying equipment, testing instruments, and software platforms, it realizes full-process automation and intelligence from automatic assembly, precision processing to performance testing.
The entire line covers key processes including automatic feeding, heat sink gluing, PCBA mounting and screwing, cover installation and tightening, carrier buffering, HFT/MFT (High Frequency Test / Medium Frequency Test) testing, labeling, CSL (Channel Sound Level) inspection, bracket locking, and finished product unloading, significantly improving production efficiency and product consistency, and focusing on key manufacturing, achieving further breakthroughs in process:
Fully automatic gluing
Can realize full-process automatic operation of coating and inspection, compatible with over 30 different model products, with system control accuracy reaching industry-leading levels.
Flexible screw locking
Compatible with over 30 products, equipped with an automatic screw supply system, supporting continuous feeding without stoppage; tool replacement is convenient, supporting quick replacement of sockets and bits; the system has high flexibility, and the screw tightening trajectory can be flexibly adjusted and programmed according to specific process requirements.
Intelligent carrier buffering
Provides critical buffering and process coordination functions for the production line, ensuring continuous, stable, and efficient operation. The overall installation accuracy is high, with strong adaptability, supporting quick switching of product types and production tasks across the entire line.
High-precision CSL inspection
Widely applicable to various products, supporting multi-dimensional inspections such as pin height, position accuracy, and bending angle, with inspection accuracy up to ±0.05mm, capable of continuous stable operation, with detection accuracy reaching 99.95%.
Hard-core data empowerment
Full-process digital closed-loop
Lead Intelligent’s automotive amplifier automated assembly and testing line occupies an area of approximately 22m × 6.5m × 2.2m, demonstrating outstanding performance in quality improvement and quality control:
Ultra-fast cycle time
The average cycle time for each product is only 60 seconds;
Extremely high flexibility
Can flexibly accommodate over 30 models, supporting rapid changeover;
Industrial-grade stability
The overall equipment effectiveness (OEE) is greater than 95%, the process capability index (Cpk) is greater than 1.67, and the repeatability and reproducibility of the measurement system (GR&R) is less than 10%;
Unmanned logistics
The overall automation rate is 93%, combined with 100% AGV intelligent logistics, achieving full-line automatic flow of materials and carriers.
During the production process, Lead Intelligent integrates digital capabilities such as intelligent material identification, online verification of fluid processes, line simulation prediction, real-time torque monitoring, and full-chain traceability of detection data into each process, achieving full-process intelligent control from assembly to inspection. Unlike traditional sampling quality inspection models, the entire line realizes 100% automatic verification of all processes after each amplifier assembly, reducing the risk of assembly deviation, test misjudgment, and missed inspection, reducing reliance on human experience, and ensuring product consistency through standardized and digitized quality closed-loop.
From precise assembly to comprehensive inspection, from single-machine manufacturing to full-line intelligent control, Lead Intelligent coordinates automation, digitization, and precision manufacturing capabilities to provide reliable intelligent manufacturing support for the large-scale, high-quality production of high-end automotive acoustics systems.
