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High-Temperature Tunnel Oven (Vacuum Reflow Type)
BACK
Standards:
Applications:
Product Information:
The high-temperature tunnel oven (reflow type) is a continuous vacuum reflow system designed for precision soldering and high-temperature thermal processing. It integrates infrared heating, forced hot air circulation, and vacuum technology to ensure stable temperature profiles, low void rates, and high product reliability. The system is suitable for cleanroom environments and high-end electronic manufacturing.
Applications
Reflow soldering for electronic assemblies
Semiconductor and IC packaging
PCB and hybrid circuit processing
Optical and LCD module manufacturing
Precision components requiring high-temperature and clean processing
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 IR heaters |
| 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 Monitoring | 6-point recorder with USB export |
| Surface Temperature | ≤45°C (except inlet/outlet & exhaust areas) |
| Cleanliness Level | Class 100 |
Features
Vacuum Reflow Capability: Reduces solder voids and improves joint reliability
High-Temperature Performance: Supports processes up to 350°C
Uniform Heating Design: Top-down hot air circulation ensures even temperature distribution
Fast Thermal Response: Medium-wave quartz heaters enable rapid heating
Cleanroom Construction: Fully welded SUS304 chamber minimizes particle generation
Stable Conveyor System: Roller-supported belt prevents vibration and product damage
Precision Control System: OMRON PID controller with SSR ensures accurate temperature regulation
Advanced Automation: Siemens PLC and HMI support MES integration
Real-time Temperature Monitoring: Multi-point recording with USB data export
Comprehensive Safety Protection: Includes phase protection, overload, emergency stop, and over-temperature protection
FAQ
1. What is the difference between a reflow tunnel oven and a standard oven?
A reflow tunnel oven includes controlled temperature profiles and optional vacuum functionality, making it suitable for soldering processes with higher precision requirements.
2. Why is vacuum used in reflow ovens?
Vacuum removes trapped gases during soldering, significantly reducing voids and improving electrical and mechanical reliability.
3. Is this equipment suitable for cleanroom production?
Yes, it meets Class 100 cleanliness requirements with low particle generation design.
4. How is temperature consistency ensured?
Through optimized airflow design, PID temperature control, and multi-point real-time monitoring.
5. Can the system be integrated into automated production lines?
Yes, it supports PLC control and MES system integration for full automation and traceability.
