Noise management: Thicknesser
This educational article has been developed to assist in the management of noise from thicknessers.
- Ensure blades are sharpened at regular intervals and as required.
- Ensure the dust extractor heads are firmly connected to the thicknesser to avoid rattles.
- Consider the practicality of enclosing machine.
- When a cutter wheel rotates under no load conditions, an air stream is being chopped creating a siren noise. The air cavity around the cutting blade can be filled with rubber to reduce the free running blade noise.
- With newer models, line blade guard with high-density acoustic foam such as Decibar AF 50 or similar, to reduce the free running blade noise.
- Locate machine away from work areas, alongside other noisy equipment or in a separate machine room.
- Dress timber in small increments, not taking large 'chunks' out at one time.
- Ensure staff are adequately trained in correct use of the thicknesser.
- Consider the substitution of softwoods for hardwoods.
- Purchase pre-machined timber where possible.
Adapted from the Noise Control Manual for Schools with the permission of the Education Department of Western Australia.
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