It is main used for brazing heating process for power modul in N2+H2 protective atmosphere.
Rated Temperature Range: 600ºC, Max. Temperature: 700ºC
The effective height:90mm
Belt width: 150mm
Belt material: SUS310S
Chamber: 6mm thick SUS316 muffle tube structure.
Max. load on the belt: 50kg/m2(exclude the belt weight)
Drive system: big wrap angle friction drive
Belt speed: 50~300mm/min, stepless speed regulation control with frequency conversion. Typical work speed is 160-180mm/min
Heating element: ceramic tube with high temperature resistance alloy wire(imported Kantal heating wire)
Furnace atmosphere: Nitrogen+hydrogen
Atmosphere control: 5 nitrogen + 3 hydrogen, each flow can be adjusted.
Oxygen Content Test Point: Four points (Nitrogen source, heating up zone, free cooling zone and cooling zone) are connected in parallel to oxygen analyzer. Testing switcher point can be chosen through magnetic valve. The oxygen content in the chamber can be real time detected and the gas inflow is easy to adjust & choose
Oxygen Content(equipped with oxygen content analyzer for online testing)
Heating up zone ≤20ppm+ oxygen content from gas source
Free cooling zone≤15ppm+ oxygen content from gas source
Water cooling zone≤20ppm+ oxygen content from gas source
Exhaust System: entrance and exit Vestibule jacket have 1 exhaust stack
Cooling Mode: use gas cooling plus water cooling, water cooling jacket has 1 water temperature test point
Belt cleaning: ultrasonic cleaning system
Control Accuracy: ±1ºC
Temperature Uniformity: ±2.5ºC, (Flat-Temperature zone 400ºC).
Zone Number:5 zones
Temperature Control Point: 5 points
Thermocouple: K type
Alarm instructions: over temperature, thermocouple failure, low gas pressure, low water pressure, belt stop alarm, ignitor alarm and other audible and visual protection
Power-off Protection: add manual operating device
Emergency Stop Button: One emergency stop buttons at the entrance and exit of the furnace
Atmosphere safety protection: the hydrogen inlet will be close automatic when any case happened such as power failure, low nitrogen gas pressure or ignitor failure.
Nitrogen consumption: 10~12m3/
Nitrogen working pressure: 0.3~0.5MPa
Hydrogen consumption: about 4~6m3/h
Hydrogen working pressure: 0.2~0.4MPa
The temperature of furnace surface: <35ºC
Discharge temperature at exit: <70ºC( at the belt speed≤160mm/min and the max temperature of products≤380ºC)