Machine Name | Nitrogen Hot Air Circulation Lead-Free Reflow Oven |
Model | SD-800L-N₂ |
Machine Body Parameter |
Machine Size | 5300*1500*1450mm |
Net Weight | 2000KG |
Body Color | 731 Sky White |
Temperature Zones | Top 8, Bottom 8（16 heating zones） |
Heating Zone Length | 3960mm |
Heating Section |
Power Supply | Three Phase 380V 50/60Hz |
Total Power | 75KW |
Start Power | 68KW |
No-load Constant Power | 8-12KW |
Heat Up Time | 20min |
Temp. Stabilization Time | Approx. 2 min |
Temp. Range | Room temperature-350℃ |
Heating Wire | Spiral 2-position integrated direct drawer, imported high-quality heating wire group, fast heat exchange, long life, high heat utilization rate |
Converter | The frequency of the hot air is controlled by 2 precision inverters, and the frequency of the inverters is adjusted reasonably according to the products to change the air speed, which makes the quality of the products more reliable. |
Air hot motor | Taiwan Sanyue High Temperature Motor 3-Phase AC220/380V 125W,Speed 2800 RPM/Min |
Pressurized Wind Power | Adopting turbocharging, double outlets, three-layer air system to increase the wind speed and pressure, so that the wind speed is stable, the temperature is stable, and the welding effect is better. |
Hot Air Method | Adopting the world's leading hot air circulation technology, the reasonable use of hot air circulation through the turbocharging makes the hot air are stable; high thermal efficiency cycle utilization rate that is energy-saving and stable, PCB through a large number of times, the temperature curve on each of its PCB and only one board through the temperature curve will always be the same, the repeatability of the heating precision is very high, very suitable for lead-free process in the process of space is small. (Improved by imported furnace technology) |
Conveyor System |
PCB Width Range | 500mm |
Fixed Rail | Front Rail Fixed（Rear Rail Fixed option) |
Transport Mesh Width | 316# 550m Stainless steel 316# 550mm |
Conveying Structure | Two synchronous modes of mesh belt conveying and guide rail chain conveying |
Transport DIR | Left to Right (Right to Left Optional) |
Transport Height | 900±20mm |
Transport Method | Single Track+Mesh |
Transport Speed | Industrial control RS485 controls the transmission speed |
Transport Chain | 35B Edge Banding Chain |
Guide rail | Ultra-small size, hardened, specially treated, resistant to twisting, and with low heat absorption |
Chain extension | About 10mm |
Chain lubrication system | Double oil cup manual drip oil system |
Chain tensioning device | The tensioning wheel automatically tightens the chain |
Mesh tensioning wheel | automatic tensioning |
Transmission Inverter | 0.2KW Japan Panasonic inverter control, smooth transmission without jittering |
Cooling / Rosin Recovery System |
Cooling Zones Quantity | Dual independent pressurized air-cooling zones (upper/lower); upper zone with integrated water cooling; dual-zone condensers for accelerated cooling; lower zone air-cooled; single external axial fan. |
Cooling Zones Length | Pressurized air-cooled area 800mm, external axial fan |
Exhaust Volume | 500-1000m³/h 2 ducts |
Rosin Recovery System | The rosin is extracted between the temperature zones and discharged through a filter by a double row of mesh ports. |
Recycle Bin | One recycling bin system for front and rear (with built-in filter) |
Control System |
Industrial PC Configuration | Dedicated industrial mini PC + dedicated CPU + solid-state drive (SSD) |
PLC Control System | Windows10+ Computer+Siemens PLC Siemens CPU + precision temperature module + I/O output module |
Monitor (Computer) | AOC 19 inch 19:1 |
Temp. Control Method | Each temperature zone is independently controlled by temperature module PID+Pulse+SSR |
Operating Software | V8.8.2002 Shengdian Reflow Oven Control Specialized Software System V8.8.2002 |
Temperature Curves | Three sets of accuracy curve test, curve analysis, printing function |
System Parameter | System parameters can be set, modified, stored, temperature and speed parameters |
Hot Air Frequency Setting | 0-50Hz |
Operating Interface | Protected by password function |
Temperature setting limit | Room temperature - 350℃ |
Transmission speed setting | 0-2.2M |
Alarm System | Over-temperature red light alarm, buzzer alarm, low-temperature yellow light alarm, normal temperature green light display. |
Nitrogen sealing structure | Nitrogen system with sealing structure, nitrogen piping, and flow meter |
nitrogen piping | Oxygen concentration analyzer |
Nitrogen consumption | 550mm（3000-10000PPM）45-70立方/HR 550 mm mesh belt width（3000-10000PPM）45–70 m |
