Insert-Type Tunnel Oven
The insert-type tunnel oven is a continuous vacuum reflow system designed for high-cleanliness and precision thermal processing. It adopts a stainless steel inner chamber with full argon arc welding, combined with optimized hot air circulation and vacuum capability. The equipment ensures stable conveying, uniform temperature distribution, and reliable operation for high-end manufacturing applications.
Applications
Electronic component reflow soldering (insert-type / through-hole processes)
PCB and hybrid circuit thermal processing
Semiconductor packaging processes
Automotive electronics manufacturing
Precision components requiring clean heating environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Power Supply | AC380V, 3 Phase, 50Hz |
| Total Length | 6000 mm |
| Heating Zone Length | 5000 mm |
| Temperature Range | 40°C – 350°C (Typical ≤180°C) |
| Temperature Uniformity | ±3°C (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 / PTFE belt |
| Belt Width | 1010 mm |
| Heating Method | Medium-wave quartz heating tubes |
| Exhaust Volume | Max. 10.0 m³/min |
| Exhaust Pipe | Ø80 mm × 6 |
| Exhaust Temperature | ≤150°C |
| Vacuum Requirement | Vacuum achieved within 10 seconds |
| Temperature Control Accuracy | ±0.3% FS |
| Control System | Siemens PLC + Touchscreen |
| Temperature Recording | 6-point recorder with USB export |
| Surface Temperature | ≤45°C (except inlet/outlet & exhaust areas) |
| Cleanliness Level | Class 100 |
Features
Insert-Type Process Compatibility: Designed for through-hole and insert component processes with stable conveying support
Vacuum Reflow Function: Effectively reduces voids and improves solder joint reliability
Uniform Heating Design: Top-down hot air circulation with optimized airflow structure
High-Precision Temperature Control: PID control with OMRON controller and SSR output
Cleanroom Design: Fully welded stainless steel chamber with dust control system, Class 100 compliant
Stable Conveyor System: Roller-supported mesh belt minimizes vibration and prevents product damage
Efficient Heating System: Quartz heating tubes provide fast thermal response
Advanced Automation: Siemens PLC + HMI, supports MES system integration
Comprehensive Safety Protection: Includes phase sequence, overload, emergency stop, and over-temperature protection
Easy Maintenance: Motorized lifting top cover for convenient inspection
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