Manufacturing Capabilities
The furnaces from Lakshmi Vacuum Technologies are designed to provide great flexibility, excellent performance and ease of operation for general heat treating and brazing applications to deliver value to commercial and in-house heat treaters alike. LVT is well equipped with Lathes, Grinders, Radial Drills, TIG Welding stations, Milling machines, U.T scanners & latest CAD / CAM software.
The salient features of LVT’s Versatreat range of Horizontal Front Loading High Pressure Gas Quench Vacuum Furnaces are as below
- Furnace Vessel designed as per ASME Sec VIII Div 1 & U code stamped.
- Double Walled water cooled Stainless / Carbon Steel retorts.
- Internal Fin & Tube twin heat exchangers.
- High capacity internal gas quench motors with variable speed drives.
- Pneumatically operated flaps to control gas flow patterns.
- Unique hydraulically operated door with lip seal which facilitates operation in higher pressure / Vacuum levels.
- Maximum operating temperatures of upto 1320 C.
- Models available in 2 Bar / 6 Bar / 10 Bar & 15 Bar variants.
- Fine Vacuum levels from 10-2mbar upto 10-6 mbar.
- Models available in either Graphite or Molybdenum heating elements.
- Models available with vacuum pumping systems from Leybold.
- Models available with PLC control systems from Siemens.
- Quench fan motors from Siemens / ABB.
- Temperature controllers from Honeywell / Eurothem.
- Systems supplied with 12 months warranty.
- Comprehensive on-site training for personnel provided during installation.
- Worldwide after-sales services partners
- Vacuum Furnaces - For Hardening; Tempering; Stress Reliving; Brazing; Annealing & Sintering
- Tempering Furnaces - For Vacuum Tempering; Stress Tempering
- Plasma Nitriding Furnaces – PIN Series for Plasma Ion Nitriding
- Ovens – For Low temperature tempering
- Operating Temperature: Max. 1320 C
- Vacuum Level: 10-3torr & 10-6 torr
- Quench Gas Pressures: 2 bar / 6 bar / 10 bar / 20 bar
- Hot Zone Type: Graphite / Molybdenum
- Hot Chamber Design: Cylindrical / Rectangular/ Octogonal etc.,
- Controls: Programmable PID Control with PLC(or)PC based control with Honeywell / Eurotherm / SCADA
- Vacuum Pumps: Mechanical Piston & Booster , Diffusion Pump (For high vacuum)
- Heat Exchanger: Integral Fin & Tube Heat Exchanger with large surface area, designed & developed in-house after extensiveR & D
- Furnace Vessel: - double walled water cooled carbon steel / stainless steel vessel designed as per ASME Sec VIII Div. 1 U Code Stamped
- Quench Gas Fan & Motor: High capacity internal quench gas fan and motor with one speed (or) two speed fan motor / variable speed fan motor
- Quench Gas Flow Patterns:
- Flexibility to adjust gas flow patterns with each cycle
- Variable gas flow patterns as per batch geometry
- Built in uniformity of quenching along furnace depth
- Pneumatically operated flaps to offer large gas flow areas / Nozzle arrangement for 360 Degrees gas flow
- Door Seal: Unique door lip seal guarantees operation in high vacuum & pressure
- Heating Elements: Rigid Graphite Heater Bars / Molybdenum Strips
- Low Leak Rate: Guaranteed leak rate better than 10 micron per hour (after degassing)
- Electrical Feedthroughs: Flexible and adjustable water cooled electrical feedthroughs ensures easy maintenance and replacement
- Graphite Insulation: Rigid Graphite Board insulation all across fully faced with Carbon Carbon Composite (CCC) panels to ensure low abrasion and long life
- Vacuum Pumps – Stokes / Alcatel / Varian / Leybold / Piefeer
- Vacuum Controller & Gauges – Leybold&Inficon
- Pressure Transducer – Omega
- Thermocouples – Omega, Tempsens
- Controllers – Honeywell or Eurotherm
- PLC – Allen Bradley or Siemens
- Thyristors – Eurotherm/Promed
- Recorder – Honeywell / Eurotherm/ Chino
- Software (option) – Citect / Allen Bradley / Century / Demig
- Vacuum Furnaces - For Hardening; Tempering; Stress Reliving; Brazing; Annealing & Sintering
- Tempering Furnaces - For Vacuum Tempering; Stress Tempering
- Plasma Nitriding Furnaces – PIN Series for Plasma Ion Nitriding
- Ovens – For Low temperature tempering
- Operating Temperature: Max. 1320 C
- Vacuum Level: 10-3torr & 10-6 torr
- Quench Gas Pressures: 2 bar / 6 bar / 10 bar / 20 bar
- Hot Zone Type: Graphite / Molybdenum
- Hot Chamber Design: Cylindrical / Rectangular/ Octogonal etc.,
- Controls: Programmable PID Control with PLC(or)PC based control with Honeywell / Eurotherm / SCADA
- Vacuum Pumps: Mechanical Piston & Booster , Diffusion Pump (For high vacuum)
- Heat Exchanger: Integral Fin & Tube Heat Exchanger with large surface area, designed & developed in-house after extensiveR & D
- Furnace Vessel: - double walled water cooled carbon steel / stainless steel vessel designed as per ASME Sec VIII Div. 1 U Code Stamped
- Quench Gas Fan & Motor: High capacity internal quench gas fan and motor with one speed (or) two speed fan motor / variable speed fan motor
- Quench Gas Flow Patterns:
- Flexibility to adjust gas flow patterns with each cycle
- Variable gas flow patterns as per batch geometry
- Built in uniformity of quenching along furnace depth
- Pneumatically operated flaps to offer large gas flow areas / Nozzle arrangement for 360 Degrees gas flow
- Door Seal: Unique door lip seal guarantees operation in high vacuum & pressure
- Heating Elements: Rigid Graphite Heater Bars / Molybdenum Strips
- Low Leak Rate: Guaranteed leak rate better than 10 micron per hour (after degassing)
- Electrical Feedthroughs: Flexible and adjustable water cooled electrical feedthroughs ensures easy maintenance and replacement
- Graphite Insulation: Rigid Graphite Board insulation all across fully faced with Carbon Carbon Composite (CCC) panels to ensure low abrasion and long life
- Vacuum Pumps – Stokes / Alcatel / Varian / Leybold / Piefeer
- Vacuum Controller & Gauges – Leybold&Inficon
- Pressure Transducer – Omega
- Thermocouples – Omega, Tempsens
- Controllers – Honeywell or Eurotherm
- PLC – Allen Bradley or Siemens
- Thyristors – Eurotherm/Promed
- Recorder – Honeywell / Eurotherm/ Chino
- Software (option) – Citect / Allen Bradley / Century / Demig