To implement the "lean management" strategic policy of Sinomach Group and continuously enhance ZYS's core competitiveness, the company's heat treatment center has successfully built a fully automated blackening production line. The official operation of this production line marks a new stage of automation, intelligence, and efficiency for the company in the surface treatment process of key components for wind turbine bearings, injecting strong momentum into the company's high-quality development.

I.Intelligent Manufacturing Leads the Way, Accelerating Efficiency Improvement

Addressing the industry challenges of low efficiency and unstable cycle time in traditional blackening processes involving manual operation, the company has achieved a breakthrough innovation with a fully automated blackening production line. The production line, centered on a PLC central control system, works in deep collaboration with intelligent overhead cranes to create a complete automated system covering feeding, cleaning, blackening, and unloading. The production line has 14 process slots, and the intelligent program enables seamless connection between processes, keeping the production cycle stable at 30 minutes per batch. The entire line is equipped with a large overall monitoring screen, which makes process parameters, equipment status, and process progress clear at a glance, making production control "visible, manageable, and accurate". The intelligent driving system, with its automatic identification and precise positioning capabilities, reduces human error and ensures a smooth and efficient production process. The establishment of this intelligent system has propelled the blackening process from "human steering" to "intelligent navigation," providing the company with a solid technological foundation to meet the demands of large-scale, rapid order fulfillment.

II.Careful budgeting and meticulous cost control achieve a "soft landing"

In the context of increasingly fierce industrial competition, cost control has become the "lifeline" for the survival and development of enterprises. The company utilizes its fully automated blackening production line to achieve a "soft landing" of cost reduction across three dimensions: labor efficiency, operation and maintenance, and outsourcing. Through automated loading and unloading and intelligent control systems, labor costs are significantly reduced; relying on highly stable control programs and real-time early warning mechanisms, a "robust foundation" for the long-term reliable operation of equipment is established, significantly reducing equipment failures caused by human error and lowering maintenance costs by nearly 50%. More importantly, after the blackening process was switched from outsourcing to in-house production, its processing cost was far lower than the original outsourcing price. This not only freed the company from external dependence but also pushed down the overall outsourcing price in the negotiation process, achieving "internal and external coordination and two-way control" of costs.

III. Empowering with Comprehensive Quality to Build "Stainless" Competitive Advantage

Blackening treatment serves as a "protective armor" to enhance the rust prevention performance of bearings, and its quality and stability directly affect product lifespan and customer trust. The company has built a "quality firewall" covering the entire blackening process by standardizing process parameters, visualizing the process, and ensuring data traceability. The system can precisely control key process parameters such as processing time, operating temperature, and solution concentration, and ensure their high stability during production, thereby guaranteeing a uniform and dense oxide film on each batch of workpieces and comprehensively optimizing their rust and corrosion prevention performance. By integrating an online monitoring and data archiving system, the entire quality traceability chain is established from raw material input to finished product output. Any subtle quality fluctuations can be captured in real time, intelligently assessed, and quickly addressed. This quality management model not only improves product qualification rates but also establishes the company's "reliable black gold" brand image in the wind turbine bearing market.

The blackening production line serves as a new beacon of intelligent manufacturing on the path of industry upgrading. It not only illuminates the company's own path to intelligent manufacturing, but its successful implementation will also inject new momentum into collaborative innovation across the industry chain. In the future, the company will continue to deepen the integration of intelligent production line construction and lean manufacturing concepts, further upgrade the blackening process, and continuously solidify the company's core competitiveness in the field of wind power bearing components.