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Lighting level and productivity: a field study in the electronics industry.

H T Juslén1, M C H M Wouters, A D Tenner

  • 1Philips Lighting Finland, Mattilantie 75, PL4, 04601, Mäntsälä, Finland. henri.juslen@philips.com

Ergonomics
|June 20, 2007
PubMed
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Higher illuminance levels significantly boost electronic assembly speed. Increasing light from 800 to 1200 lux improved production speed by over 3% in both summer and winter tests, with no impact on error rates.

Area of Science:

  • Industrial Engineering
  • Occupational Ergonomics
  • Lighting Science

Background:

  • Workplace lighting is crucial for worker performance and safety.
  • Optimizing illuminance levels can enhance productivity in manufacturing settings.
  • Previous research indicates a link between lighting and task efficiency, but specific impacts on electronic assembly require further study.

Purpose of the Study:

  • To investigate the impact of varying illuminance levels on the production speed and quality of electronic device assembly.
  • To determine if higher illuminance (1200 lux) improves assembly speed compared to standard levels (800 lux).
  • To assess the effect of illuminance on the percentage of errors in electronic assembly tasks.

Main Methods:

  • A field study was conducted in an electronics factory in The Netherlands.

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  • Horizontal illuminance was alternated between 800 and 1200 lux per work shift.
  • Data collection occurred during both summer and winter seasons to account for seasonal variations.
  • Main Results:

    • A statistically significant increase in production speed was observed with higher illuminance.
    • Production speed was 2.9% higher in summer and 3.1% higher in winter at 1200 lux compared to 800 lux.
    • No significant effect of illuminance on the percentage of errors was found.

    Conclusions:

    • Increasing illuminance to 1200 lux positively impacts the speed of electronic device assembly.
    • Optimal lighting conditions can enhance worker productivity without compromising quality.
    • Further research could explore the long-term effects and optimal illuminance for different electronic assembly tasks.