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700T/M Capacity Die-cast Aluminum Parts Cathodic Epoxy Coating Electrophoresis Production Line

700T/M Capacity Die-cast Aluminum Parts Cathodic Epoxy Coating Electrophoresis Production Line

Brand Name: MEI-AL
Model Number: MEI-AL-L2026111101
MOQ: I set
Price: Customized Price
Packaging Details: Standard Packaging
Payment Terms: L/C,T/T
Detail Information
Place of Origin:
Foshan, China
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700T/M Capacity Electrophoresis Production Line

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Die-cast Aluminum Parts Electrophoresis Production Line

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Cathodic Epoxy Coating Electrophoresis Production Line

Product Description
Product Overview

This cathodic electrophoresis line is purpose-built for die-cast aluminium components, delivering a monthly capacity of 700 tons. It performs full pretreatment and epoxy cathodic e-coating for cast aluminium workpieces.

The line utilizes an overhead crane automatic transfer system, and the tank layout can be rearranged to suit compact workshop environments. An integrated ultrafiltration (UF) and reverse osmosis (RO) recycling system recovers electrophoretic paint, reducing consumption during continuous operation.

Technical Specifications
Item Details
Applicable Workpieces ADC12 die-cast aluminum housings, pump bodies, valve parts
Operation Mode Automatic crane transfer, manual loading & unloading
Coating Type Epoxy cathodic electrophoresis
Electrophoresis Film Thickness 12–22 μm
Surface Finish Grey, black, matte
Electrophoresis Bath Temperature 27–31℃
Curing Temperature Range 170–190℃
Production Capacity 700 tons per month
Pre-treatment Method Degreasing, pickling, activation, passivation
Process Flow
  1. Loading and racking inspection
  2. Alkaline degreasing
  3. Multi-stage water rinsing
  4. Acid pickling
  5. Water rinsing
  6. Surface activation
  7. Water rinsing
  8. Non-chromate passivation
  9. Pure water rinsing
  10. Cathodic electrophoresis coating
  11. UF rinsing
  12. RO rinsing
  13. Curing oven
  14. Cooling
  15. Unloading and inspection
Line Configuration
  • PP pretreatment tanks
  • Stainless steel cathodic electrophoresis tank
  • UF + RO paint recovery unit
  • Overhead travelling crane system
  • Special cathodic electrophoresis power supply
  • PLC touch screen control cabinet
  • Curing oven and waste gas collection system
Adaptation Notes

Cathodic epoxy electrophoresis provides reliable protection for cast aluminium parts.

The passivation step helps improve coating adhesion on die-cast aluminium surfaces.

The paint recovery system reduces paint consumption during continuous runs.

Frequently Asked Questions
Can this line process extruded aluminium profiles?

It can run extruded aluminium, but the pretreatment recipe needs adjustment.

What chemicals are required for cathodic electrophoresis?

Epoxy cathodic paint, solvent, and additives are supplied by coating vendors.

Is the line suitable for small batch production?

The crane program supports switching between small and large batch modes.