Vacuum welding furnace

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

Vacuum Welding Furnace

Features and Benefits

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

Optional shape of vertical and horizontal

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 1x10-3 mbar/h by using bellows sealed valves

Repeatability performances

Inner and outer cooling are optional

Optional loading cart according customers request

Cost-effective and high performance

Re-design according customers request

Applications

   Brazing in high vacuum Heat treatment of metal material parts Vacuum extinction of arc tube exhausting and welding in one processing cycle any other heat treatment process.

Horizontal Vacuum Welding Furnace

Vertical Vacuum Welding Furnace

Hot zone

SPECIFICATIONS

Hot Zone:

Free Work Area   610Wx610Hx914D(mm)

61OWx61OHx1OOOD(mm)

700Wx700Hx1000D(mm) (Optional Parameters)

Operating Temperature  8000C (Optional Parameters)

Maximum Temperature  1150°C

Temperature Uniformity < 5°C(1300°C Keeping 1 Hour)

Work Capacity  500-800Kg

Heating Elements  Molybdenum Flat bars

Hearth Assembly   Molybdenum and stainless

Vacuum pumping system:

Mechanical Roughing Pump 2x252m³/hr

Booster Pump   1x3924 m³/hr

Diffusion Pump  1x32000 liter/s (Turbo Molecular Pump is optional)

System Operating Vacuum  Better than 1x10^-5mbar

Ultimate Vacuum  3x10^-7mbar

Ultimate Vacuum Level бx10^-4 mbar/h

Instrumentation:

Programmer Logical Controller    OMRON

Temperature Controller      YOKOGAWA

Furnace Recorder   YOKOGAWA

Vacuum lnstrument   VARIAN or LEYBOLD

Power supply:

Hot Zone Power 185Kw-200Kw

HeatingRate 10°C/min - 35°C/min (Un-loading)

Heating Rate 10°C/min (Full Load)

Cooling rate < 4hr (From400°C to 60°C Full Load)

Utilities:

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

Water 6m3,36 - 60PSIG Inlet 2 Inches Outlet 3 Inches

Inert Gas  1.5 m3 per cycle (Nitrogen or Argon)

Compressed Air  0,5 m3 60 - 85 PSIG