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High temperature furnace
High quality high temperature furnaces for universal heat treatment applications. Insulation with ceramic fibre or graphite felt. Vacuum tight furnace chamber with rotary vane pump.
Useful volume: up to 52,5 l, Tmax: 1820 °C, continuous temperature: 1800 °C.
Protective gases: forming gas, nitrogen, argon
Options: also for H2-operation, gas feeding- and burn-off device, safety package,
partial pressure control, condensate trap, dew point measuring device, high vacuum pump systems,
molybdenum, tungsten or graphite heating elements.
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Perfect furnace for delicate gas quenching treatments thanks to the rotative cooling ensuring an excellent cooling uniformity/span>
High cooling speed
Reduction of cycle time thanks to convective heating
Fully automatic process for a perfect reproducibility of the results
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Sinergo induction generator 6KW power
temp. up to 2300°C - vacuum down to 1x10-5 mBar
Up to 0,3 Kgs. treated mass (higher mass version upon request)
High vacuum monolithic chamber, water cooled, gold plated
Very fast heating up time: 1000°C / Min.
Fast cooling down time
High efficiency due to solid state high frequency converter
Temperature profiling and control by optical pyrometer
Inert or reacting gas filing during working
Full computerized control
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PVD coating machine with a simple and compact design
Realisation of the common thin layers at the best economic conditions
Fully automatic operation for easy use and reproducibility of the results
Possible set up in controlled atmosphere zone for an optimal coating quality
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Maximum operating temperature 1200°C
For horizontal use only
Offers vacuum levels of better than 10-5mbar with a clean empty worktube
Vacuum system and controls are housed in the base
One end of the worktube is joined to the vacuum system via a stainless steel elbow
Tube access is via the other end which is fitted with a removable stainless steel flange
Radiation shields are provided for both ends of the furnace to ensure maximum temperature uniformity
Furnaces include two stage sliding vane rotary pump, water cooled oil diffusion pump, high vacuum baffle valve, roughing/backing valve(s) and Pirani and Penning gauges.
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ECM INFRAFOURS
Vacuum furnace appplications
ECM has been manufacturing Vacuum Furnaces since 1963. Today this traditional activity is provided by it subsidiaries ECM INFRAFOURS which is in charge of design to final acceptance; while a large part of activity is also dedicated to aftermarket support.
Today we count more than 1,500 furnaces delivered worldwide for a large scale application.
VACUUM CONTROL FOR ALL PROCESSING RELIABILITY
The ECM range offers equipment for heat treating metals, alloys and other materials in a vacuum. The diversity of the processes requires implementation of technologies which are optimized for each application.
From 150 to 2,800 °C, from a several cubic centimetres to several cubic metres of effective volume, from atmospheric pressure to a molecular vacuum; and up to 20 bars during cooling; ECM is ready for any of these technological and industrial challenges.
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The advantages of heat treatment in an Ipsen vacuum furnace are obvious: the edge zones of the workpieces remain free of oxidation
and decarburisation, also complex geometry workpieces can be treated with minimal or no distortion. Ipsen vacuum technology stands out
in particular because it provides a high, constant quality level and with it ensures that desired, repeatable treatment results are always achieved.
In addition the following processes can also be carried out:
AvaC® (low pressure carburisation),
AvaC®-N (low pressure carbon nitriding),
bright hardening,
bright annealing,
solution annealing,
bright tempering,
degassing,
hard and high-temperature brazing,
sintering,
SolNit®.
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Furnace especially adapted for brasing and degasing as well as annealing and ageing
Excellent thermal homogeneity
Very simple conception and robust design for low maintenance and assuring an excellent reliability
Available also with metallic insulation for high quality vacuum treatments
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Perfect furnace for delicate gas quenching treatments thanks to the rotative cooling ensuring an excellent cooling uniformity/span>
High cooling speed
Reduction of cycle time thanks to convective heating
Fully automatic process for a perfect reproducibility of the results
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FULGURA VACUUM FURNACE
Multi-flow hardening furnace.
Blast nozzles distributed right around the load ensure rapid, highly uniform cooling, regardless of the type of parts.
Main uses:
Hardening steel for tools - Rapid Quenching of stainless steel - Brazing.
Main options:
Secondary vacuum - convection up to 750°C.
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Multipurpose oil and gas quenching furnace with two chambers
Compact system for minimum space requirement
Gas quenching possibility allowing the treatment of huge grade of steel
Heating chamber held in temperature for important energy saving
Fully automatic handling system by deformable parallelogram and telescope
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DIAMANT - VERTICAL VACUUM FURNACE
Raisable hearth furnace.
The possibility of choosing the orientation of the quenching flow and its configuration make this furnace particularly suited to cylindrical technical parts, ranging up to large dimensions. Its reduced footprint facilitates its on-site integration.
Main uses:
Rapid quenching - Brazing. Hardening tool steel.
Main options:
Secondary vacuum - Single-flow or multi-flow quenching - Low-pressure carburizing.
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Tempering furnace ensuring an excellent temperature homogeneity and reduced cycle time
Respect of the load surface
Low dead load and strong insulation for energy savings
Robust construction limiting maintenance costs
Compact design minimizing the floorsurface
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Systems which utilize a variety of melting techniques in conjunction with three metal powder production technologies:
- gas atomization,
- spin cup atomization and
- spin wheel casting (used primarily in making high value powders and material to produce superior strength neodymium-iron-boron magnets).
Thermal Processing Equipment offered by SECO/WARWICK is a products range made in Europe, based on RETECH's SYSTEMS LLC knowledge, experience and technology.
Cooperation between SECO/WARWICK and RETECH benefits European customers by metric standards, European parts, CE for European Directives, local sale and after sale service support.
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Plasma nitriding furnace with bell
Automatic process for easy use and reproducibility of the results
Convective cooling with heat exchanger
Automatic bell handling to clear the space over the sole
Fixed sole for direct and safe loading of delicate parts
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Tempering furnace ensuring an excellent temperature homogeneity and reduced cycle time
Respect of the load surface
Low dead load and strong insulation for energy savings
Robust construction limiting maintenance costs
Compact design minimizing the floorsurface
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SECO/WARWICK Vacuum Furnaces are designed for a broad range of equipment for heat-treatment processes including;
· Bright hardening
· High pressure gas quenching
· Vacuum carburizing/nitrocarburizing FineCarb
· Bright tempering
· Gas nitriding/nitrocarburizing (with vacuum purging)
· Bright annealing
· Solution annealing
· Degassing
· Brazing and high temperature brazing
· Diffusion bonding
· Sintering (VC, MIM, ceramics)
· CVD/graphitization
· Other processes /adaptations.
For
Aeronautics, Automotive Industry, Defense Industry, Metallurgy, Engineering, Medical Industry, Nuclear Industry, Tools, Research, we manufacture:
· Horizontal furnaces
· Vertical furnaces
· Bell furnaces
· Multi-chamber furnaces
· Continuous furnaces
With load up to 5000 kg
1. HPQ - "HIGH PRESSURE QUENCH TM" furnaces with horizontal loading of the charge, or VVP(HPQ) with vertical loading of the charge are designed for modern technology of heat treatment of low-, medium- and high-alloyed steels and alloys for which there is a need to use gas cooling (HPQTM) - hardening, with a pressure of cooling gas of 6, 10, 12 or 15 bar.
2. High vacuum VP and VVP(EH) furnaces 10-2; 10-5; 10-6; 10-7 mbar
3. Retort Tempering vacuum furnaces
4. VPC - vacuum sintering furnace for metal powder sintering for tool industry, medical, aircraft, defence and precise industry, etc.
5. Oil Quench Furnaces
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CVE manufacture both vertical & horizontal models. The design is tailored to suit individual customers processing criteria. For example applications such as - hardening, tempering, annealing, stress relieving, ageing, brazing, sintering & degassing.
After Sales: rapid breakdown response; service contracts inc. call out, spares & repairs; upgrades; refurbishment; training.
Brand names: Cambridge Vacuum Engineering, CVE, Torvac, Wentgate Dynaweld, WDI & Hawker Siddeley
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IVA vacuum chamber furnaces series VH…U/K, equipped with gas cooling, a reversal system and hot gas circulation, are mainly used for heat treatment of tools made of tool steel and high speed steel at temperatures ranging up to 1,300°C.
Quenching under a nitrogen pressure of up to 10 bars, controlled cooling and heating bath simulation offer possibilities to apply a wide variety of quenching conditions.
The furnace unit is designed for easy maintenance, i.e. all internal elements such as the heat exchanger, circulation fan with impeller and the convection unit are easily accessible.
The transformer, pump station - rotary slide gate and roots pump as standard equipment - the switchbox and gas storage container are arranged according to the local situation to save space. The assembly work is limited to connecting these system components and attaching the system to the energy supply.
The freely-programmable control system and a microprocessor-equipped programming unit offer very flexible program design.
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Controlled Atmosphere Brazing systems for the Nocolok (aluminium) and CuproBraze (copper) processes.
SECO/WARWICK supplies:
-Small batch vacuum purge furnaces
-Semi-continuous systems for infrequent demand
-Continuous systems for large-lot production
Applications:
Heat exchangers for the automotive and HVAC markets:
RADIATORS - CONDENSERS – OIL COOLERS – EVAPORATORS – HEATERS – CHARGE AIR COOLERS
SECO/WARWICK worldwide is the exclusive supplier of CAMLAW equipment, service and parts.
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Evacuable chamber tempering furnaces, series RH…RVe/g, are mainly used to temper and anneal materials treated in vacuum hardening furnaces. The RH...RVe type furnaces are electrically-heated, whereas the abbreviation “g” is used for gas-heated models.
The systems consist of a furnace body with modern, low heat-retaining insulation and the horizontal sliding retort with a gas circulation unit.
The integrated indirect cooling system permits cooling under a protective atmosphere (inert gas). The pump stand consists of a mechanical vacuum pump with the associated measuring instruments.
The switchgear is equipped with a freely-programmable process control system. The selection of this equipment permits very flexible process design.
The IVANIT unit permits nitriding, nitrocarburizing and oxidizing in evacuable tempering furnaces.
Moreover, the furnaces can be equipped with a specially developed rapid cooling system on request. This system achieves direct cooling of the nitrogen atmosphere, radically reduces the cycle times and thus renders IVA chamber tempering furnaces even more economical.
In combination with IVA vacuum chamber ovens, series VH...U/K, these evacuable tempering furnaces offer an attractive package for hardening and tempering of tools made of hot-work, cold-work and high speed steel.
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FineCarb vacuum carburizing technology has been intensively developed for a number of years by SECO/WARWICK in collaboration with the Materials Engineering Institute of Lodz Polytechnic in Poland. Recently the company has initiated or is in the process of supplying a dozen or so installations, among which are:
- Several single-chamber NVPT vacuum furnaces for, among others, two hardening plants in Italy, as well as companies in Turkey, the USA, Slovenia and Poland. In addition, further single-chamber NVPT vacuum furnaces have been or will be supplied to a Wallwork Heat Treatment hardening plant in the UK and the Bauman Institute in Moscow, Russia;
- A dual-chamber furnace with a ColdKam chamber for a USA-based customer. The furnace was fitted with a 20-bar gas cooling system, which together with the processing chamber is adapted for the construction of SECO/WARWICK 'multi-chamber' type systems;
- For a well-known company in the USA, a dual-chamber furnace with oil bath for the vacuum carburizing and hardening in quenching oil of gear wheels with a mass of 5000 kg. The furnace has a processing chamber of f 1800 x 2500 mm.
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Elevator Type Vacuum furnace (left) operates at 3500 F. for processing carbon/carbon composite aerospace components. Horizontal Chamber Vacuum Furnace (upper right) operates at temperatures up to 3992 F to test components used in the international space station. Integral Oil Quench Vacuum Furnace (lower right) was installed at a US national laboratory and is designed for 2400 F.
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General description
HINDHIVAC has designed and supplied various size of vacuum furnaces for special applications like, Vacuum Brazing, Annealing, Hardening, Tempering, etc. meeting to the customer requirements.
Horizontal / Vertical type Vacuum furnaces fabricated out of Stainless Steel with Hot zone made of Molybdenum / Tantalum / Tungsten / Graphite with suitable radiation sheet for temperature ranging from 800 C to 2500 C to meet the specific requirement of the customer.
High speed vacuum pumping system with the option for Diffusion pump / Turbo molecular pump to operate the furnace in the range of 10-2 M.bar to 10-6 Mbar. Furnaces are provided with fast Gas cooling facilities with pressure ranging from 800 m.bar to 4 bar absolute, Oil quenching facilities as an option.
Control instrumentation like Temperature programmer controller, Over temperature controller, Auto / Manual vacuum controller, Programmable logic controller (PLC) for complete automation of vacuum cycle, temperature cycle and other necessary safety devices and interlocks for smooth operation.
Complete operation of the vacuum furnace through pc & scada software can be provided as an option.
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Wide lineup of oil quenching and gas cooling systems (reduced pressure, atmosphere and pressurizing). Fully automated operation and production management. Labor-saving, high precision hardening.
-Positive transfer with newly developed fork type method
-Improved of temperature distribution by current adjusting SCR controls.
-Low distortion processing by means of uniform cooling methods, such as shifting the upper/lower cooling and entire circumference cooling system.
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Multipurpose oil and gas quenching furnace with two chambers
Compact system for minimum space requirement
Gas quenching possibility allowing the treatment of huge grade of steel
Heating chamber held in temperature for important energy saving
Fully automatic handling system by deformable parallelogram and telescope
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