High Corrosion Resistance Hanging Conveyor System for Automotive Parts and Precision Instruments

Equipment Description:

Epoxy coating production line ‌Process characteristics‌: two-component epoxy resin spraying, high corrosion resistance and wear resistance, automatic precision control, ‌Application areas‌: automotive parts, engineering machinery, precision instruments
1. Key performance indicators
‌Coating performance‌:
Adhesion: Level 0 (GB/T 9286-2025 cross-cut method)
Salt spray test: ≥1000h (ASTM B117-2025)
2.‌Production efficiency‌:
Single-line capacity: 120-150㎡/h (workpiece spacing ≥0.8m)
Coating utilization rate: ≥92% (including overspeed cyclone recovery system)
3. Special instructions
The equipment is compatible with water-based/solvent-based epoxy coatings, and the switching time is <2h
Emergency shutdown protection: 0.5 seconds power off when the temperature exceeds the limit/the concentration of combustible gas exceeds the standard
Complies with GB 30981-2025 "Limits of Hazardous Substances in Industrial Protective Coatings" standard

Main structures and components:

I. Main equipment composition

1. Pretreatment system

Ultrasonic degreasing tank: alkaline degreasing agent (pH 11-12, constant temperature of 40℃)

Silane ceramic tank: phosphorus-free conversion film process (film thickness 0.5-1.2μm)

Three-stage pure water washing tank: conductivity ≤15μS/cm, with circulation filtration

2. Epoxy spray unit

High-voltage electrostatic rotary cup spray gun: voltage 80-100kV adjustable, atomization particle size 15-35μm

Two-component proportioning system: epoxy resin and curing agent ratio 1:0.3, dynamic error <±1%

Constant temperature glue supply device: 25±2℃ temperature control, anti-gel clogging

3. Curing system ‌
‌Segmented curing oven‌: Leveling section: 60-80℃/5-8min
Curing section: 140-160℃/20-25min (infrared + hot air composite heating)
‌Waste gas treatment module‌: RCO catalytic combustion device, VOC removal rate ≥99%
4.‌Conveying system‌
‌Suspension chain conveyor‌: variable frequency speed regulation (0.5-3m/min), load 200kg/station
‌Anti-drip oil tray‌: 304 stainless steel material, automatically collects excess paint

II. Intelligent control configuration

Features:

1.High cost performance: Based on the customer's product positioning and development strategy, and with economic affordability as the foundation, we achieve the best cost performance.
2.The advanced and meticulous design concept of the equipment, along with the highly automated industrial equipment, showcases the image of a modern and advanced enterprise.
3. It has high adaptability, meeting the current production requirements and reserving room for development, taking into account the needs of increased production and improved quality in the future.
4.Quality compliance strictly adheres to the ISO900 quality management system, with every minute detail of the entire equipment installation being strictly controlled.