NEWS
RUIAO Machine Tool Accessories
17
2025
-
04
The Critical Role of Oil Mist Collectors in Electrical Discharge Machining
Author：
Electrical Discharge Machining (EDM), a precision manufacturing process that uses electrical sparks to shape conductive materials, generates significant amounts of oil mist during operation. This byproduct, composed of microscopic dielectric fluid particles and metal debris, poses health risks to operators and environmental challenges. Oil mist collectors have emerged as indispensable solutions for modern EDM workshops, combining industrial efficiency with sustainable practices.
How EDM Oil Mist Collectors Work
Modern oil mist collectors employ multi-stage filtration systems:
1.Centrifugal Separation: High-speed rotating drums capture larger oil droplets via inertial impact.
2.HEPA Filtration: Multi-layer fiber filters trap particles as small as 0.3 microns with 99.97% efficiency.
3.Electrostatic Precipitation: Charged plates attract ultrafine contaminants for final purification.
Key Applications
1.Die-Sinking EDM: Controls mist from hydrocarbon-based dielectric fluids.
2.Wire-Cut EDM: Manages aerosolized deionized water-oil mixtures.
3.Small-Hole Drilling EDM: Addresses high-pressure fluid atomization.
Operational Advantages
1.Reduces airborne particulate levels below 1 mg/m³ (OSHA compliance)
2.Extends dielectric fluid lifespan by 30-40% through recycling
3.Decreases machine maintenance frequency by preventing oil film buildup
4.Enables compliance with ISO 14001 environmental management standards
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