Composition And Workflow Of Man-made Board Equipment

Engineered wood machinery refers to mechanical equipment used for manufacturing various types of engineered wood products, such as plywood and particleboard. The operational workflow typically encompasses critical stages including raw material processing, forming, and post-processing, involving key processes such as cutting, drying, gluing, mat forming, and hot-press molding.
**Main Equipment Types and Functions**
Raw material processing machinery includes chippers, rotary peelers, and crushers; these are used, respectively, to cut raw logs into wood strips, rotary-peel logs into veneers, and crush waste materials into specific particle sizes. Forming machinery includes presses and dryers; presses shape the raw materials through a sequence of assembly, heating, compression, and cooling, while dryers-such as roller dryers or hot-air circulation dryers-are used to remove moisture from the boards. Post-processing machinery includes belt sanders and grinding machines, which are used to sand the surfaces of the engineered wood panels, rendering them smooth and flat. Taking the press as an example, its operating principle primarily involves four processes: assembly (mixing the raw materials and placing them on a mold for pre-pressing); heating (bringing the material to the required temperature); compression (applying pressure via a hydraulic transmission system to achieve the desired thickness); and cooling (allowing the board to set before removal).
**Core Production Processes**
Engineered wood production generally involves key processes such as cutting, drying, gluing, mat forming, and hot-press molding. Among these, the hot-press molding process has the most significant impact on the final quality of particleboard and plywood products.
**Production Line Types and Technological Advancements**
Based on the specific hot-pressing technology employed, engineered wood production lines are primarily categorized into intermittent (batch) systems and continuous systems. Intermittent systems utilize single-layer or multi-layer hot presses, whereas continuous systems employ continuous flat presses or continuous roller presses. Continuous flat-press production lines are characterized by a continuous workflow, high levels of automation, high single-line production capacity, and high energy efficiency; they have become the mainstream equipment for the large-scale production of plywood and particleboard. Conversely, multi-layer hot-press production lines are primarily utilized for plywood production, as well as for smaller-scale manufacturing of plywood and particleboard. Technological trends within the industry are moving toward larger-scale equipment, digitalization, and intelligent automation, while also expanding the adaptability of the machinery to process non-wood raw materials, such as bamboo and agricultural stalks. Furthermore, equipment manufacturers have successfully developed production machinery for the manufacture of novel materials, such as inorganic fiberboards and thermoplastic/thermosetting sandwich panels.