Smart Shelves | Digital Control Solution for Line-side Fasteners in Manufacturing Industry

In the multi-variety flexible manufacturing production scenario, fasteners such as bolts, nuts, gaskets, and spring clips run through the entire assembly production line. The demand for materials at different assembly stations varies significantly. Many factories have a total of over 500 types of fasteners under their unified management. Fasteners are small items with frequent usage and similar appearances, making them difficult to distinguish and access. If the management mode of using ordinary open shelves combined with manual registration is adopted for a long time, various management problems such as mixed storage, delayed inventory data updates, and heavy manual document organization tasks may occur, which is not conducive to the advancement of lean production in the workshop. To improve the factory's ability to manage fasteners in a refined manner, many manufacturing factories have carried out digital upgrades at the workstation level. They deploy intelligent weighing shelves in batches for specialized management of fasteners. Enterprises can allocate equipment based on the different types of materials used at each workstation and the varying daily consumption volume. The intelligent storage points are placed around the production stations to facilitate the nearby retrieval of fasteners and achieve real-time synchronization of material consumption data to the management backend.

Common difficulties in managing fasteners using traditional workstation open shelves

Mixing of materials can lead to poor assembly quality

The centralized stacking of materials at each workstation lacks partitioning and isolation structures. Hundreds of fasteners have similar appearances, and during rush production, operators are prone to take the wrong specifications, resulting in poor assembly, rework, and repair, increasing the production support costs in the workshop.

Manual ledgers cause inventory data deviations

Fastener usage relies on manual registration of paper-based documents. The daily material requisition frequency in the workshop is high, leading to phenomena such as omission and delayed recording. There is a long-term difference between the book inventory and the actual on-site materials, and there is a lack of complete and reliable data support for procurement and cost accounting.

Manual inventory checks have information gaps, leading to shortages and waiting for materials.

The inventory quantity needs to be counted by warehouse staff on a round tour. The shelves at each workstation are scattered and the material categories are numerous. The inventory work requires a large amount of manpower and time. The interval between two inventories cannot provide real-time information on material consumption speed, leading to insufficient material stock and temporary waiting for materials on the production line.

The lack of a digital statistics system makes it difficult to implement refined management of consumables

There is no complete digital traceability carrier, making it difficult for managers to statistically calculate the consumption of fasteners by workstation, production work orders, or product models. It is impossible to clearly distinguish normal production consumption from abnormal material losses, which is not conducive to building a standardized material control process in the workshop.

Core hardware composition and workstation implementation logic of intelligent weighing shelves

The entire workstation-based fastener management solution uses an open intelligent weighing shelf as the core storage carrier. The factory can uniformly plan multiple devices and flexibly allocate the number of devices based on the types of fasteners required at different workstations and the daily consumption volume. They are placed nearby at the workstation side or along the production line, without occupying the core assembly operation space.

The intelligent shelves adopt an open design without cabinet doors, making it convenient for operators to take and place fasteners at any time. Each group of shelves is divided into independent storage positions, following the one-item-one-position storage standard. Fasteners can be placed by specification and assembly process, helping to reduce mix-ups and incorrect retrievals.

Each independent storage position of the intelligent shelves is equipped with a high-precision weighing sensor. After an employee completes the retrieval of fasteners, the system automatically converts the weight difference into the quantity taken, without the need for manual scanning or manual filling of forms. Each retrieval action will automatically retain a complete record, including the retrieval time, material model, and consumption quantity. Multiple shifts of continuous production and temporary equipment repair requisitioning can be operated autonomously without the need for on-site material distribution by a dedicated person.

The intelligent shelves are equipped with a local edge processing terminal, which can stably store all requisition data and automatically synchronize it to the cloud management backend, adapting to the complex network environment of industrial workshops.

The control capabilities of the cloud management platform are compatible with the coordinated management of multiple specifications of fasteners. The cloud platform centrally aggregates all data generated by intelligent weighing shelves at each workstation. Managers can remotely view the real-time inventory of over 500 types of fasteners and the consumption trends of materials at each workstation through computers and mobile devices, gaining a clear understanding of the material usage rhythm across different workstations. The platform supports customizing the safety inventory range. When the material reserve approaches the preset standard, the system automatically sends a replenishment reminder, allowing procurement and distribution staff to complete stock preparation in advance, thereby alleviating material shortages and equipment shutdowns at the workstations.

The system automatically collects data on all cycle usage and generates an exportable electronic ledger, supporting detailed statistics on fastener consumption by workstation, team, and production work order. This facilitates the establishment of standardized material usage norms in the workshop, optimization of procurement plans, and simplification of monthly reconciliation and statistics. At the same time, data on fastener usage and inventory changes at each workstation can be automatically synchronized to the upper-level management system, bridging the data link between on-site physical objects and the enterprise management platform.

The practical advantages of deploying intelligent weighing shelves at workstations with differentiated deployment

Allocate equipment as needed to improve resource utilization efficiency

Deploy equipment based on the actual material requirements of the workstation. Workstations with large material usage and diverse categories can be equipped with multiple sets of shelves. Workstations with less material consumption can have a reduced number of equipment deployments, allowing for reasonable control of overall renovation investment and improving equipment utilization efficiency.

Shorten the material requisition time and stabilize the production rhythm of the assembly line

Lower the storage points of fasteners to the surrounding area of the workstation. Operators do not need to travel to the remote warehouse to collect materials, reducing the walking time for searching and requisitioning materials and improving the effective assembly time at the workstation, helping the assembly line maintain a stable production rhythm.

Unified visualization of the factory-wide material data, facilitating unified replenishment

Over 500 types of fasteners are digitally controlled at different workstation and specification levels. The decentralized intelligent storage points are uniformly integrated into the cloud platform for unified management. The inventory status of all fasteners in the factory is clearly visible, facilitating unified scheduling and material replenishment by warehouse management personnel.

Reduce repetitive manual work and lay a solid foundation for lean management of small items

Open shelves are suitable for frequent and scattered material retrieval in the workshop. Combined with the automatic weighing and accounting function, they can reduce repetitive tasks such as on-site inventory checks and manual registration, reducing the manpower investment in line-side material management and providing support for the lean management of small items in the workshop.

Fasteners are basic small items in assembly manufacturing, with rich specifications and categories and significant differences in demand at each workstation. The traditional centralized and extensive storage mode is difficult to adapt to the control requirements of flexible production. Enterprises can deploy multiple intelligent weighing shelves according to the factory scale, deploy them differently by workstation, and cover the control requirements for multiple specifications of fasteners in the entire factory.

Relying on the core capabilities of convenient open access, automatic weighing counting, and unified cloud supervision, this solution can simultaneously improve common management difficulties such as incorrect assembly, distorted inventory data, and heavy manual affairs, providing an adaptable and feasible implementation path for the digital and lean upgrade of on-site fastener in manufacturing factories.