WM4000 Industrial Sawmill
Wood-Mizer US Enterprise

WM4000 Industrial Sawmill

Sawmills & Primary Processing

The WM4000 is the next generation in thin-kerf sawmilling that combines thin-kerf blade profitability with automated sawing technology. It requires only one operator to manage log handling, sawing, and timber removal while delivering higher log yield at lower investment and operating cost.

The WM4000 is an industrial-grade thin-kerf sawmill designed for primary log processing and custom dimension cutting in high-volume production environments. It combines thin-kerf blade technology with automated PLC-controlled setworks to maximize yield while minimizing material waste and operator labor requirements. The system operates with single-operator capability for log handling, sawing, and cant positioning, making it suitable for facilities seeking to reduce staffing costs without sacrificing throughput or precision.

The WM4000 features advanced programmable logic controller (PLC) setworks displayed on a 19 cm touchscreen interface, enabling operators to input and execute multiple board and cant size configurations with minimal manual adjustment. The thin-kerf blade design reduces kerf loss compared to conventional bandsaws, improving lumber recovery rates per log processed. The system's adaptive cutting capability allows seamless transitions between standard sizing and irregular log processing, critical for operations handling variable timber quality or mixed species inventory.

The WM4000 serves industrial sawmill operations, timber processors, and integrated wood product manufacturers processing 50+ logs daily. It is optimized for facilities running mixed-product schedulesโ€”primary breakdown, cant production, and specialty dimension millingโ€”without requiring complete line reconfiguration. The machine performs effectively on both conventional softwood and hardwood species, supporting production volumes from 50-150 board feet per hour depending on log diameter and cutting configuration.

Within its class, the WM4000 differentiates through single-operator automation and rapid setworks adjustment, reducing changeover time between cutting profiles. The touchscreen-based control system minimizes setup errors and enables production planning software integration, making it suitable for facilities transitioning from fully manual mills to semi-automated processing without capital-intensive complete automation.

Applications

irregular log processing

industrial workshop

The WM4000 adapts to process crooked, taper-sided, or defect-prone logs without complete program reconfiguration, maximizing yield from lower-grade raw materials. The touchscreen interface allows operators to quickly input custom cutting strategies for each log profile, critical for salvage operations or mills processing storm-damaged timber or mill residue inventory.

integrated mill expansion

industrial workshop

The WM4000 integrates into existing sawmill operations as a dedicated irregular log processor or secondary breakdown station, allowing primary lines to focus on standard production while custom or defective material routes to the WM4000. Its single-operator requirement and rapid setworks adjustment minimize staffing impact while increasing overall facility processing capacity by 30-40%.

primary log breakdown

industrial workshop

The WM4000 processes raw logs into primary breakdown products (cants, flitches, boards) with thin-kerf efficiency, reducing material loss per log. Single-operator control and automated setworks allow mills to run 8-12 hour shifts producing consistent dimension lumber for downstream processing or direct sales to secondary mills. Ideal for timber yards processing 100+ logs daily with mixed species and diameter ranges.

custom dimension milling

medium workshop

As a standalone or secondary unit, the WM4000 executes small-run custom orders (specialty widths, thicknesses, lengths) for furniture manufacturers or architectural millwork shops requiring precise dimension control. The PLC setworks eliminate manual gauge adjustments between orders, reducing setup time and improving repeatability for edge-glued panels or specialty solid wood products.

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