Six Core Applications of Lab Companion (Guangdong) Precision Ovens: Guarding Vehicle Reliability

1. Reliability Testing of Automotive Sensors

• Core Function: Verify performance stability of sensors under extreme temperature conditions, screen defective products, and ensure driving safety.
• Specific Applications:

1. Temperature cycle test: Simulate engine compartment temperature fluctuations of -40℃~150℃ to test sensor signal accuracy and response speed.
2. High-temperature aging: Sustained 500–1000 hours at a constant temperature of 100–150℃ to accelerate material aging and evaluate long-term reliability.
3. Damp-heat test: 1000-hour test under 85℃/85% RH environment to verify moisture resistance and circuit stability.

• Case: An ABS wheel speed sensor manufacturer adopted precision ovens for high-temperature aging with temperature control accuracy of ±0.3℃, ensuring product detection accuracy of ±0.1km/h and significantly improving overall vehicle safety performance.

2. Curing and Drying of Automotive Electronic Components

• Core Function: Ensure firm soldering of electronic components, remove moisture, enhance insulation, and improve product reliability.
• Key Applications:

1. PCB solder paste curing: Precise temperature control at 80–120℃ to ensure uniform and firm soldering and prevent cold solder joints/short circuits.
2. Electronic module sealing: Curing of sensor potting adhesive to ensure waterproof and dustproof performance.
3. Wire harness insulation treatment: Remove moisture and enhance insulation to prevent circuit failures.

• Case: A vehicle ECU manufacturer used fully sealed precision ovens with temperature control accuracy of ±0.5℃, ensuring stable operation of electronic components under high-temperature and high-humidity conditions and reducing product failure rate by 40%.

3. Aging and Performance Testing of Rubber Seals

• Core Function: Evaluate heat resistance of rubber materials, predict service life, and prevent leaks and malfunctions caused by seal failure.
• Key Applications:

1. Hot air aging test: 7–90 days of testing at 70–200℃ to measure hardness change, tensile strength retention rate, and compression set.
2.  Heat resistance evaluation of O-rings/gaskets: Verify temperature resistance of FKM and other materials in fuel systems.
3. Seal strip aging resistance: 168-hour test of automotive door and window seal strips at 100℃±2℃ to ensure long-term sealing performance.

• Case: An automotive engine seal manufacturer used precision ovens for aging tests with temperature uniformity of ±1℃, accurately evaluating material service life and reducing engine oil leakage failure rate by 60%.

4. Coating Curing of Automotive Parts

• Core Function: Ensure uniform coating curing, enhance adhesion, wear resistance, and corrosion resistance.
• Key Applications:

1. Headlight cover UV coating curing: 2-hour constant temperature at 80℃ to ensure coating hardness and transparency.
2. Brake pad adhesive curing: Curing at 150–200℃ to ensure firm bonding between friction materials and back plates.
3. Automotive wheel hub spray coating curing: Ensure uniform and firm coating to improve appearance and durability.

• Case: An automotive lamp manufacturer adopted precision tunnel ovens for UV coating curing with temperature uniformity of ±1℃, increasing production capacity by 50% while ensuring compliance of product light transmittance and hardness.

5. Heat Treatment of Automotive Metal Parts

• Core Function: Improve metal microstructure, enhance strength, toughness, and wear resistance to meet stringent requirements of automotive parts.
• Key Applications:

1. Aging annealing of aluminum alloy die castings: 150–250℃ to eliminate internal stress and improve dimensional stability and strength.
2. Heat treatment of bearings/gears: Improve material microstructure to enhance wear resistance and fatigue strength.
3. Spring tempering: Precise temperature control to ensure stable elastic performance.

6. Other Key Applications

• Interior part shaping: Softening and shaping of seat/instrument panel leather at controlled temperatures to ensure aesthetics and durability.
• Composite material processing: Hot-press forming of carbon fiber components to ensure material strength and stability.
• Automotive tire production: Preheating before tire vulcanization to ensure molding quality and uniformity.