One. Customized Carbon Diffusion Process with Oxygen Probe

# 1. Key Technical Points

Carbon Potential Control

Utilize high-precision oxygen probes (such as ZrO2 ceramic sensors) to monitor the furnace's carbon potential in real-time, and dynamically adjust the enrichment gas flow with PID algorithms.

Compensation Technology: Temperature Drift Compensation, Carbon Accumulation Auto-correction (via Carbon Blacking Program).

Process parameters optimization

Based on materials (such as 20CrMnTi, 8620 steel), set the carbonitriding depth (0.5 - 2.0mm), surface carbon concentration (0.7 - 1.1%C), and gradient curve.

Typical Process: 930℃ strong penetration (carbon potential 1.1-1.2%C) → diffusion (carbon potential 0.8-0.9%C) → slow cooling/direct quenching.

Equipment compatibility

Compatible with retort furnaces, multi-functional furnaces, and continuous furnaces; supports integration with PLC/SCADA systems.

# 2. Customized Service Process

Requirement Analysis → Sample Testing (Metallographic Verification) → Process Development → On-Site Commissioning → Acceptance Training.