Dust and other particles adhere to workpieces in the bearing press-fitting, magnet mounting, run-out inspection, and appearance inspection process, resulting in the need for a dust removing process.
It is difficult to remove dust adhering with static electricity using an air blow. Even if the dust can be removed, it may adhere again.
Handled by workers
- Cost rise due to increased labor cost
- Long takt time
Countermeasures with static eliminators (ionizers)
It reduces cost and saves takt time.
Labor cost per line $200/month x 10 lines x 12 months = $24,000/year
Although calculation of the takt time is difficult due to the relation with the previous and next lines, it has definitely been improved.
- Electrical Equipment IndustryDust Adhesion During Mobile Phone Assembly
- Electrical Equipment IndustryDamage to IC Parts During Cell Process Work