Stainless Steel Tunnel Oven (Vacuum Reflow Oven)
Category：Tunnel Oven Production Line
Introduction
The Stainless Steel Tunnel Oven (Vacuum Reflow Oven) is a continuous thermal processing system designed for high-cleanliness and high-reliability applications. The internal chamber is fully constructed with stainless steel and welded using argon arc welding to minimize contamination and ensure durability. Combined with vacuum reflow technology, multi-zone heating, and hot air circulation, the oven delivers uniform temperature distribution and stable process performance, making it suitable for precision manufacturing environments.
Applications
This stainless steel tunnel oven is suitable for industries requiring high cleanliness and stable thermal processing:
Electronics: PCB, SMT reflow soldering, component drying and curing
Semiconductor: chip packaging and heat treatment
New energy: battery material processing and module soldering
Automotive electronics: high-reliability soldering applications
Precision industries: products requiring clean and contamination-free heating
Technical Parameters
| Parameter | Specification |
|---|---|
| Power Supply | AC380V, 3 Phase, 50Hz |
| Total Length | 6000 mm |
| Heating Zone Length | 5000 mm |
| Temperature Range | 40℃ – 350℃ (Typical ≤180℃) |
| Temperature Uniformity | ±3℃ (excluding inlet/outlet) |
| Conveyor Speed | 0.3 – 2.0 m/min (adjustable) |
| Typical Speed | 0.8 m/min |
| Conveyor Type | SUS stainless steel mesh belt / Teflon belt |
| Belt Width | 1010 mm |
| Heating Method | Medium-wave quartz heating tubes |
| Exhaust Volume | Max. 10.0 m³/min |
| Exhaust Pipe | ∮80 mm × 6 |
| Temperature Control Accuracy | ±0.3% FS |
| Vacuum Requirement | Vacuum achieved within 10 seconds |
| Control System | Siemens PLC + Touchscreen |
| Temperature Recording | 6-point recorder (USB export) |
| Surface Temperature | ≤45℃ (except specific areas) |
| Cleanliness Level | Class 100 |
Features
Full Stainless Steel Structure: Inner chamber and key components are made of stainless steel, ensuring corrosion resistance and cleanliness
Vacuum Reflow Technology: Effectively reduces voids and improves soldering quality
Uniform Heating Performance: Multi-zone PID control with optimized airflow ensures temperature consistency
Cleanroom Compatibility: Low-particle design with dust control system meets Class 100 requirements
Efficient Heating System: Quartz heating tubes provide rapid and stable heating
Stable Conveying System: Smooth transmission without vibration, jamming, or product damage
Advanced Automation: Siemens PLC and touchscreen interface support MES integration
Comprehensive Safety Protection: Includes phase sequence, overload, emergency stop, and over-temperature protection
Easy Maintenance: Motorized top cover allows safe and convenient access for maintenance
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