Based on the actual conditions of the factory, equipment is categorized into three classes according to its impact on production, safety, environment, and other aspects. Class I equipment: Equipment that, in the event of a failure or shutdown, would inevitably lead to major safety accidents, significant environmental impacts, or substantial effects on a smart factory. This category requires the establishment of detailed and complete equipment archives. All special equipment falls under this class. The primary maintenance approach for this type of equipment centers on online condition monitoring combined with adaptive data collection, supplemented by lean management. Class II equipment: Equipment failures or shutdowns generally do not have a significant impact on the production or safety of a smart factory. This category requires relatively detailed equipment archives and primarily relies on on-site inspections and preventive maintenance, along with lean management. Class III equipment: Failures or shutdowns of this equipment have no impact on the production or safety of a smart factory. For this class, a corrective maintenance approach is predominantly adopted, while still incorporating lean management.

The Smart Maintenance System developed by Alps System Integration (Dalian) Co., Ltd. leverages industrial IoT technology, intelligent algorithms, and mobile internet technology to manage production equipment throughout its entire lifecycle. It can model different types of equipment within one second, build equipment data archives, perform correlation analysis on various faults of different equipment types, provide maintenance plan suggestions for each piece of equipment, and offer fault prevention recommendations to help enterprises achieve lean management.

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