音圈技术：核心产品 & 特色工艺 Voice Coil Technology : Core Products & Featured Processes

聚焦高端大功率、极限工况电声应用，围绕材料、工艺、研发三重核心突破，系统性解决行业高温失效、批量一致性差、铝线焊接可靠性低、高压击穿风险等核心痛点，为汽车音响、专业PA（专业音响）、高端消费音响提供稳定可靠的精密音圈解决方案。依托高端材料体系、精密制程工艺、11步标准化研发流程三重技术壁垒，提供高可靠、高一致性精密音圈整体解决方案。

Focus on high-power and extreme-condition electroacoustic applications. Through three core breakthroughs in materials, processes and R&D, we systematically solve core industry pain points including high-temperature failure, poor batch consistency, low reliability of aluminum lead welding and high-voltage breakdown risks. By building three major technical barriers — premium material systems, precision manufacturing processes and an 11-step standardized R&D process, we provide high-reliability, high-consistency precision voice coil solutions for car audio, professional PA (Professional Audio) and high-end consumer audio.

一、材料选择 Material Selection

长期热稳定性 Long-term Thermal Stability

甄选高端漆包线材，不同规格均符合对应权威标准，涵盖JIS C 3215系列（日本，对应高温级漆包线规格）、GB/T 6109系列（中国，等同采用对应IEC标准）、IEC 60317系列（国际）三重规范，采用220—240℃耐高温规格，性能远超行业常规155/180℃线材。依托特种PI基材与自主改良绝缘涂层，构建多层复合耐热结构，具备500℃以上极限耐温能力，可抵御专业PA（专业音响）瞬时大功率过载冲击。搭配专用耐高温胶粘剂体系，在240℃额定工况下可稳定连续工作1000小时以上，能充分满足车载及专业音响长效高温使用需求。

High-end enameled wires are selected, with different specifications complying with corresponding authoritative standards, including JIS C 3215 Series (Japan, corresponding to high-temperature grade enameled wire specifications), GB/T 6109 Series (China, equivalently adopting the corresponding IEC standard) and IEC 60317 Series (International). Adopting 220—240℃ high-temperature grade, it far exceeds conventional 155/180℃ wires in the industry. Combined with special PI film and self-developed modified insulation coating, a multi-layer heat-resistant structure is formed, achieving an ultimate temperature resistance of above 500℃ to resist instant high-power overload impact of professional PA (Professional Audio). Matched with a dedicated high-temperature adhesive system, it can work stably and continuously for more than 1000 hours under the rated working condition of 240℃, which can fully meet the long-term high-temperature use needs of automotive and professional audio.

高绝缘耐压性能 High Insulation & Withstand Voltage

不同规格漆包线材分别符合对应权威标准，涵盖JIS C 3216-5:2019、GB/T 4074.5-2024、IEC 60851-5:2019三重规范，均通过双重绝缘验证。常温击穿电压可达2600V以上，在高温恶劣环境下仍能保持绝缘稳定，杜绝大功率工况下高压击穿、短路风险。优化绝缘漆层结构与配比，兼顾电气安全、散热效率与声学灵敏度，实现三者协同提升。

Different specifications of enameled wires comply with corresponding authoritative standards respectively, including JIS C 3216-5:2019, GB/T 4074.5-2024 and IEC 60851-5:2019, all passing double insulation verification. The breakdown voltage reaches over 2600V at room temperature and can maintain stable insulation under high-temperature harsh conditions, avoiding high-voltage breakdown and short-circuit risks under high-power operation. The structure and ratio of the insulation coating are optimized to balance electrical safety, heat dissipation efficiency and acoustic sensitivity, achieving coordinated improvement of the three.

高温粘接防护体系 High-temperature Adhesion Performance

采用超高温改性专用粘接体系，强化线间及线材与BOBBIN骨架的结合强度。经实测验证，不同高温工况下的耐受性能如下：350℃工况可稳定连续工作100小时以上，无烧毁、无失效；420℃工况可稳定连续工作10小时以上，无烧毁、无失效；500℃短时极限工况可稳定维持10分钟以上，无烧毁、无失效。可有效抑制高温环境下胶体老化、碳化及粘接力衰减，避免音圈出现松脱、变形、溃散等结构失效问题，为大功率、瞬时高温冲击场景提供可靠的结构防护。

Adopting an ultra-high-temperature modified dedicated adhesive system to strengthen the bonding strength between wires and between wires and the BOBBIN framework. Verified by actual measurement, the tolerance performance under different high-temperature working conditions is as follows: it can work stably and continuously for more than 100 hours without burnout or failure under 350℃ working condition; work stably and continuously for more than 10 hours without burnout or failure under 420℃ working condition; and stably maintain for more than 10 minutes without burnout or failure under 500℃ short-term extreme working condition. It can effectively inhibit colloid aging, carbonization and bonding force attenuation in high-temperature environments, avoid structural failure problems such as voice coil wire loosening, deformation and collapse, and provide reliable structural protection for high-power and instant high-temperature impact scenarios.

二、精密制程工艺 Precision Manufacturing Process

恒张力精密绕线工艺 Constant Tension Winding Process

搭载闭环电子恒张力控制系统，配合标准化层绕制程，精准管控线距、同轴度及关键尺寸公差。固化制程参数，优化CPK（过程能力指数），大幅降低批量波动，保障产品尺寸与电气参数的一致性。

Equipped with a closed-loop electronic constant tension control system, combined with standardized layer winding technology, it precisely controls wire spacing, coaxiality and key dimensional tolerance. Solidify process parameters, optimize CPK (Process Capability Index), greatly reduce batch deviation, and ensure the consistency of product dimensions and electrical parameters.

铝引线专属焊接工艺 Specialized Aluminum Lead Welding Process

针对铝线易氧化、易出现虚焊、脱焊的行业痛点，定制表层前处理与专属焊接方案，有效破除氧化层，实现稳定的界面结合。焊点具备优异的抗振动、耐温循环、耐老化性能，显著提升焊接可靠性，延长产品使用寿命。

Aiming at the industry pain points of aluminum wire being prone to oxidation, cold solder joints and desoldering, customized surface pretreatment and specialized welding schemes are adopted to effectively remove the oxide layer and achieve stable interfacial combination. The welding points have excellent vibration resistance, thermal cycle resistance and aging resistance performance, significantly improving welding reliability and extending product service life.

三、11步系统化开发流程 11-step Systematic Development Process

严格执行11步标准化开发管控流程：需求输入→可行性评估→方案评审→标准确认→样品试制→性能验证→可靠性测试→参数固化→量产评审→控制计划→量产落地。全流程实现数据化、标准化闭环管控，确保样品与量产品质同源一致，稳定输出高精密、高稳定性音圈产品。

Implement a complete 11-step standardized development and control process: Demand Input → Feasibility Evaluation → Scheme Review → Standard Confirmation → Prototyping → Performance Test → Reliability Verification → Parameter Finalization → Mass Production Review → Control Plan Formulation → Mass Production. Full-process data-driven and standardized closed-loop management ensures consistent quality between samples and volume products, stably supplying high-precision, high-stability voice coil products.