| Modification to programmable logic controller (PLC) of injection moulding machine | |||
| Problem | Company manufactured plastic containers using an injection moulding machine. A pneumatic nozzle was used to inject air to form the shape of container. Noise was generated when the nozzle was retracted once the container was formed. | ||
| Solution | The programmable logic controller (PLC) of the machine was modified to incorporate a slow release of air. This eliminated a popping sound at the end of each cycle. | ||
| Illustration |
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| Cost | Not Available | ||
| Achievements | Before Control: 120 dBA After Control: 85 dBA A reduction of 35 dBA. Award : Noise Control Award (Merit) | ||
| Industry | Chemical, Petrochemical, Rubber and Plastics | ||
| Year | 2003 | ||
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