Woodworking Planers - The Reduction of Noise from Multihead - A Technical Guide
Since this booklet was first published, the Health and Safety in Employment Act 1992 has come into force. While the technical and general information in this booklet remains current, it contains references to legislation which has been superseded by the new Act. You are advised to read this booklet in conjunction with the Act and any regulations made under it.
Table of Contents
1. Introduction
2. Noise criteria
3. New Zealand legislation
4. Reduction of noise at design stage
5. Design of acoustic enclosure
(a) General
(b) Isolation
(c) Construction materials
(d) Doors
(e) Windows
(f) Feed and discharge apertures
(g) Ventilation
6. Design checklist
Illustrations
Fig. 1 Multi-head planer and enclosure of the future
Fig. 2 Inside enclosure at Carter Holt (Central) Ltd, Napier
Fig. 3 Discharge end of enclosure at Carter Holt (Central) Ltd, Napier
Fig. 4 Typical layout of an acoustic enclosure for a multi-head planer
Fig. 5 Section indicating an acoustic wall tunnel and window design
Fig. 6 Four-sider enclosure at J B Mouldings Ltd, Napier
Fig. 7 Feed end of enclosure at Carter Holt (Central) Ltd, Napier
Fig. 8 Section showing roof ventilation panel
