Automotive Machined Parts Cleaning Solution
1. Solution Overview
This solution is specifically designed for automotive machined parts (e.g., engine blocks, cylinder heads, crankshafts, gears, aluminum alloy housings). Utilizing intelligent cleaning technology from Jinan Bakr Ultrasonic Technology Co., Ltd., it focuses on removing cutting oil, emulsion coolant, metal chips, and grinding debris. Through a fully automatic multi-tank ultrasonic cleaning line combined with hydrocarbon/aqueous cleaning processes, it ensures parts meet assembly standards of particulate ≤200μm, oil-free and rust-free, while achieving green manufacturing goals of solvent recovery and zero discharge.
2. Cleaning Objects and Targets
Typical Workpieces: Engine blocks/cylinder heads, transmission housings, steering knuckles, pistons, turbocharger components, new energy vehicle motor housings.
Contaminants: Cutting oil, emulsion coolant, metal chips, grinding paste, residual anti-rust oil, degraded coolant, dust, fingerprints.
Targets: Surface cleanliness ≤30mg/m², particulates ≤200μm (ISO 16232); no white spots, residues, or rust after drying; cycle time ≤5 minutes/basket; daily capacity ≥5,000 pieces; environmental compliance: VOCs ≤20mg/m³, zero wastewater discharge.
Typical Workpieces: Engine blocks/cylinder heads, transmission housings, steering knuckles, pistons, turbocharger components, new energy vehicle motor housings.
Contaminants: Cutting oil, emulsion coolant, metal chips, grinding paste, residual anti-rust oil, degraded coolant, dust, fingerprints.
Targets: Surface cleanliness ≤30mg/m², particulates ≤200μm (ISO 16232); no white spots, residues, or rust after drying; cycle time ≤5 minutes/basket; daily capacity ≥5,000 pieces; environmental compliance: VOCs ≤20mg/m³, zero wastewater discharge.
3. Recommended Equipment: Jinan Bakr Ultrasonic Technology Co., Ltd.
Recommended Model: Fully Enclosed Six-Tank Hydrocarbon Ultrasonic Cleaning Machine (BK-CH Series)
Recommended Model: Fully Enclosed Six-Tank Hydrocarbon Ultrasonic Cleaning Machine (BK-CH Series)
Core Highlights:
- Automotive-Specific Design: Custom jigs and spray systems for engine blocks and aluminum parts; compatible with multi-variety mixed production
- Zero-Emission Process: Third-generation modified alcohol/hydrocarbon solvent with distillation recovery system (solvent regeneration rate ≥95%), meeting green factory standards
- Intelligent Filtration: Three-stage magnetic separation + paper-band filter automatically separates iron/aluminum chips; coolant recovery rate ≥90%
- High-Frequency Precision: 40KHz/80KHz dual-frequency switching effectively removes residues in blind holes <φ0.2mm
- Vacuum Composite Technology: Vacuum drying + vacuum anti-rust oil immersion ensures complete drying of complex cavities and long-term rust prevention
- Fully Automated: Robotic automatic loading, flipping, and unloading; integrates with AGV logistics for lights-out factory operation
Specifications:
- Tank Capacity: 500L–3000L (customizable)
- Ultrasonic Power: 3KW–12KW (sweep + degassing mode)
- Heating: Indirect thermal oil heating (±2°C accuracy)
- Filtration: 50μm–200μm precision
- Dimensions: 12m×4m×3m (six-tank standard line)
- Total Power: ~120KW (including recovery system)
4. Cleaning Process Flow (Six-Tank System)
| Step | Process Method | Medium/Equipment | Temp. | Time | Key Parameters |
|---|---|---|---|---|---|
| Load | Robotic Grip | Dedicated Basket | - | 30s | Multi-variety compatible |
| 1. Hot Dip Pre-Wash | Bubbling + Spray | Hydrocarbon Solvent | 50–55°C | 120s | Soften heavy oil, remove floating chips |
| 2. Ultrasonic Rough Wash | 28KHz Ultrasonic | Hydrocarbon + Corrosion Inhibitor | 55–65°C | 180s | Degassing mode, remove cutting oil |
| 3. Ultrasonic Fine Wash | 40KHz Ultrasonic | Clean Hydrocarbon | 55–65°C | 120s | Deep clean micro-holes |
| 4. Vacuum Rinse | Vacuum Ultrasonic | High-Purity Solvent | RT | 60s | Remove solvent residue |
| 5. Vacuum Drying | Vacuum + Hot Air | Vacuum Dryer | 80–90°C | 300s | Vacuum ≤5mbar, thorough drying |
| 6. Anti-Rust Oil Dip | Vacuum Anti-Rust | Anti-Rust Oil | 50°C | 60s | Optional, ≥3 months protection |
| Unload | Robotic Output | Conveyor | - | 30s | Next process integration |
Enhancement Options:
- High-Pressure Positioning Spray: 360° targeted flushing for water/oil passages
- In-Line Particle Detection: Integrated optical particle counter for real-time cleanliness monitoring
- Smart Oil Change Alert: Automatic reminder based on solvent contamination level
