WTU Series Underside (Bottom) Sanding Machine
Models: WTU RRR700 / WTU RR700 / WTU RRC700 / WTU RC700
Product Overview
The Motimac WTU Series Underside Sanding Machine is designed for precision wood processing and is equipped with a 730mm wide sanding belt. It is ideal for sanding medium-sized wood panels, cabinet doors, and furniture components.
The WTU series offers high efficiency, stable performance, and outstanding surface quality, making it the perfect choice for small to medium-sized enterprises that pursue production consistency and cost efficiency.
These machines can also be connected with upper sanding machines to form a fully automated sanding line, significantly reducing manual labor and improving productivity.
Key Features
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Modular Design: Flexible configuration of sanding units to meet diverse process requirements.
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Adaptable to New Materials: Motimac provides technical support and modular upgrades to match clients’ evolving production needs.
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Precision Components:
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AirTAC pneumatic system ensures smooth and stable air control.
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Omron photoelectric switches from Japan provide precise and reliable detection.
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German FAG maintenance-free bearings ensure durability and long-term precision.
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User-Friendly Operation: Equipped with touch-screen control panel for easy monitoring and adjustment.
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High Reliability: Features quality components such as precision handwheel adjustment, pressure roller system, and integrated heat-treatment drive assembly to ensure longevity and accuracy.
| Model | Max Working Width (mm) | Min Working Length (mm) | Working Thickness (mm) | Feed Speed (m/min) | Total Power (kW) | Sanding Belt Size (mm) | Overall Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| WTU RRR700 | 700 | 260 | 10–150 | 52 | 5–19 | 730×1900 | 1470×2450×2450 | 2800 |
| WTU RR700 | 700 | 260 | 10–150 | 26 | 5–19 | 730×1900 | 1470×2000×2450 | 2000 |
| WTU RRC700 | 700 | 390 | 10–150 | 52 | 5–19 | 730×1900 | 1470×2450×2450 | 2800 |
| WTU RC700 | 700 | 390 | 10–150 | 26 | 5–19 | 730×1900 | 1470×2000×2450 | 2000 |
Applications
Ideal for:
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Underside sanding of solid wood panels, MDF, and veneered boards
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Cabinet door and furniture component finishing
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Integration with top-side sanding lines for dual-sided processing

