Dust and Chip Extraction Fan
Sparse-blade radial fans for dust and chip extraction in carpentry, furniture, and metalworking workshops: single-phase, suitable for ducted collection systems.
Products (1)
Brands: Dündar
What is a dust and chip extraction fan?
Dust and chip extraction fans are radial fans that draw in dust and chips from woodworking machines, sanders, and cutting benches, conveying them through ducts to a collection unit. The sparse, flat-blade impeller design prevents chips and particles from accumulating on the blades and causing blockages. They provide a clean and safe working environment in dusty settings such as carpentry and furniture workshops, metalworking areas, and plastic and paper production facilities.
How is the correct system installed?
- Fan: A sparse-blade radial fan suitable for conveying chips and dust.
- Ductwork: A run from the machines to the collection unit that is as short and as free of elbows as possible.
- Collection unit: A cyclone or bag filter to capture dust and chips.
- Valves: Butterfly or gate valves to close the suction inlets of machines not in use.
The fan's flow rate should be determined based on the total suction requirements of all machines operating simultaneously.
Selection criteria
The air velocity inside the duct must be sufficient to prevent dust and chips from settling; therefore, both flow rate and pressure must be evaluated when selecting a fan. Long, branched duct runs place greater demands on fan pressure. In environments with combustible dusts such as fine wood or MDF dust, appropriate precautions must be taken against the risk of dust explosion, and the system should be assessed by qualified personnel.
Maintenance
The fan impeller and ducts should be inspected regularly and accumulated chips removed. When the collection bag or filter becomes full, suction weakens; empty it promptly. Bearing noise and vibration indicate a need for maintenance.
Frequently asked questions
How many machines can one fan serve?
It depends on the total suction requirements of the machines running simultaneously and the length of the ductwork.
Do chips pass through the fan?
Sparse-blade fans are designed to allow chips to pass through. Precautions should still be taken for large pieces.
Bag filter or cyclone?
A cyclone captures coarse chips more effectively, while a bag filter is better for fine dust. Many systems use both together.
Is the fan single-phase?
The model in this category operates on single-phase supply.
Why has suction weakened?
A full bag, a blocked duct, or valves left open will reduce suction.
Where are other fans?
See the snail fans category for different pressure classes.