Cutting injuries are the most frequent mechanical accidents in carton production workshops. Most professional carton manufacturing equipment is equipped with high-sharp cutting components. The corrugated board production line is fitted with a set of high-precision longitudinal cutting blades, while subsequent processing equipment for board separating, slotting and corner cutting in box forming procedures also adopts sharp cutting tools to ensure processing accuracy and efficiency.

These high-speed rotating blades pose great hidden dangers once operated improperly. Most blade injury accidents stem from irregular manual operations during equipment debugging and abnormal troubleshooting. In the production process of five-layer corrugated board lines, burrs often get stuck on the thin cutting blades during order switching. In pursuit of convenience and saving operating time, many workers choose to clear the stuck burrs directly by hand instead of using professional cleaning tools.

Since the blades keep running at a high speed, slight hand contact will lead to severe cutting injuries. Formal operating specifications clearly stipulate that all equipment faults and material jams must be handled after power cutoff and complete equipment shutdown. Such accidents are completely avoidable, yet they frequently occur due to workers’ fluke mentality, lazy operating habits and neglect of basic safety operation norms, bringing unnecessary personal injuries and production suspensions.

Electrical short circuit is another common high-risk hazard in carton manufacturing workshops, which may trigger equipment damage, production shutdown and even fire accidents, causing huge economic losses and safety threats. The complex production environment of carton factories and irregular electrical line maintenance are the main causes of short circuit failures, which are mainly divided into three categories.

First, buried electrical wires are prone to exposure, aging and damage after long-term operation, and loose or fallen wire joints will directly cause circuit short circuits. Second, unreasonable design or incomplete covering of wire protection covers leads to continuous friction and extrusion of power lines during long-term equipment operation and workshop movement, resulting in wire skin damage and circuit short circuit faults. Third, the carton production process generates a large amount of paper dust and cardboard debris, which easily adhere to electrical control cabinets and internal components. Accumulated combustible dust will cause electrical short circuits and component failures once it affects normal circuit operation.

Electrical short circuit accidents bring far-reaching negative impacts with serious hierarchical consequences. Minor failures will burn out motors, electrical accessories and control components, resulting in temporary production line shutdown and reduced production efficiency. Severe short circuit faults are likely to trigger sparks and open flames, inducing workshop fire accidents and causing casualties and massive property losses.

A typical practical case fully illustrates the severity of such hazards. A local packaging enterprise suffered a serious electrical failure caused by uncovered power line protection covers. Long-term friction during daily cleaning and workshop operation damaged the internal power lines and triggered a short circuit. The accident burned the main motor of the five-layer board transverse cutting machine, as well as partial components and encoders of the upper tool servo system, causing a direct economic loss of nearly 10,000 RMB. This case reminds all carton manufacturing enterprises that daily electrical maintenance, hidden danger inspection and standardized management are indispensable to safe production.

Enterprises emphasized that standardized operating procedures, regular equipment inspection and enhanced employee safety awareness are the core of avoiding workshop safety hazards. Carton factories need to strengthen staff safety training, improve equipment maintenance mechanisms, and eliminate irregular operations and hidden dangers from the source to realize safe and standardized production for qualified shipping boxes manufacturing.