Vacuum-hydrogen diffusion welding furnace

   We manufacture various kinds of furnaces. Amongst them welding furnaces; dehydroxyl furnaces; dewaxing furnaces; sintering furnaces and hydrogen gas protecting furnaces.

Vacuum-Hydrogen Diffusion Welding Furnace

Features and Benefits

Tested, efficient and safe furnace designs based on our long-term experience:

Stainless steel hot zone ring assembly

Bright oxide-free surface finishes for the vacuum trace

High productivity by using working space to a maximum, and shorter cycles by using rapid cooling systems and a post cooler heat exchanger

Regulable heating process

Excellent manipulating performance

High Ultimate Vacuum Level of better than 1x10-3mbar/hr

Inner and outer cooling are optional

Optional loading cart according customers request

Apply with special wax collection system

Cost-effective and high performance

Re-design according customers request

Applications

Brazing in high vacuum

Heat treatment of metal material parts

Diffusion welding

No deformation and less tension after welding

Vacuum-Hydrogen Diffusion Welding Furnace

Vacuum-Hydrogen Diffusion Welding Furnace

SPECIFICATIONS

Hot Zone:

Free Work Area  Ф 300 X 400 (mm) (Optional Parameters)

Operating Temperature  1350°C (Optional Parameters)

Maximum Temperature  1450°C

Temperature Uniformity  < + 5 °C

WorkCapacity 30Kg

Pressure 7000 Psig

Heating Elements  Molybdenum Flat bars

Hearth Assembly   Molybdenum and stainless

Vacuum pumping system:

Mechanical Roughing Pump 108 m³/hr

Booster Pump 5400 m³/hr

Ultimate Vacuum  1x10^-5 mbar

Ultimate Vacuum Level 6x10^-4 mbar/h

Instrumentation:

Programmer Logical Controller   OMRON

Temperature Controller    YOKOGAWA

Furnace Recorder     YOKOGAWA

Vacuum Instrument VARIAN or LEYBOLD

Power supply:

HotZone Power 60Kw

Heating Rate    15°C/min(<1000°C)

Heating Rate    10°C/m(>1000°C)

Working condition Vacuum; hydrogen; Argon

Utilities:

Power Supply 380V+5%  3-phase  50-60HZ

Water 5m³, 36 - 60PSIG Inlet 2 Inches Outlet 3 Inches

Inert Gas 0,8m³ per cycle (Nitrogen or Argon)

Compressed Air 0,3 m³ per cycle  60 - 85PSIG