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The FNC/TT treatment lines constructed by CIEFFE FORNI INDUSTRIALI are the result of a great experience in building transport belt furnaces combined with the technology of the LLF-furnaces.
The result is a plant with considerable treatment uniformity, with unmatchable results in comparison with an equal furnace equipped with a steel muffle.
The heating can be both electrical and with self-regenerative gas burners, without changing neither the capacity nor the construction system of the plant.
The composition of the line can vary according to the production necessities, just as the quenching fluids (oil, water, salt, etc.).
Particular attention has been paid to the control system of the plant. The most advanced version is equipped with a dedicated programmer (basically a PC).
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The same construction philosophy characterises various types of plants built by CIEFFE FORNI INDUSTRIALI, applying the maximum automation where possible,
Some examples of this kind of custom-built plants are:
- automatic belt lines for the hardening and tempering of self-tempering stainless steels;
- automatic lines for die quenching furnaces with roller movement;
- automatic roller-, pusher-, chamber-lines for isothermic hardening and tempering;
- automatic treatment lines for aluminium parts;
- automatic high productivity lines for the annealing of noble metals;
- automatic lines combined with continuous and discontinuous plants with the same store and the same loading dimensions.
As to this regard, we would like to draw your attention to the considerable gain of flexibility in the management of the charges in system like this, where the same priority, according to production and quality requirements, can be directed to two different working areas of the same store.
The construction of plants working in controlled atmosphere obliges us to the continuous research of new systems for the generation of atmosphere for the various types of treatments. The current research regards the reduction of expenses and the reaching of the quality standards demanded by the market.
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CF and CDF High Temperature Infrared Furnaces for Firing & Drying
The new Despatch CF and CDF Series infrared furnaces are ideal for process applications that require rapid ramp-up and cool-down rates as well as provide consistent quality-as required in photovoltaic cell production.
Very fast ramp rates optimize contact formation on silicon wafers with shallow emitters and silicon nitride coating. Rapid heating and cooling allows firing the contact through the silicon nitrate while rapid cooling prevents damage to the junction. The rapid heating and cooling requires faster belt speeds which enhances throughput as a secondary benefit.
All models feature the most advanced ergonomic designs available, to speed maintenance and minimize downtime. With the push of a button, the entire chamber lowers for easy accessibility-no disassembly or expensive service calls for cleaning and maintenance. All electronic components are situated at eye level for easy and safe access.
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PC Series Large Continuous Production Ovens
Despatch Continuous Production Ovens are designed for process versatility and reliability. Typical applications include preheating, curing, bonding, drying and heat treating. Despatch provides you with the design integrity, emphasis on quality and manufacturing experience necessary to meet your heat processing needs.
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The atmospheric chamber furnaces built by Ipsen have a modular design and are made of standardised assemblies. The furnace casing consists of a sturdy sheet steel structure.
The light-weight refractory lining inside the furnace is designed for temperatures well above the working temperature and has an extremely long service life.
Because of their modular design, our furnace systems can be customized as necessary to meet the client's specific needs. The ICTE® software family developed especially for the heat-treatment industry allows charge transfer, loading and unloading to be linked to provide fully automatic systems that can be integrated perfectly into the production flow.
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The conglobulating annealing furnace is the continuous furnace used to anneal parts of car, machine and electronics devices in order to improve the treatment and quality.
It is especially praised for economically dramatic energy reduction by transferring heat and flue gas generated from cooling pad and homogeneous pad to preheating pad to be used to warm up materials. It is classified to the roller hearth and the tray pusher depending on operational methods.
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Main use:
Furnaces type Bd are used for a variety of heat treatment applications requiring temperature up to 1150 °C in special cases to 1180 °C and a precisely controlled protective atmosphere, for example heat treatment and brazing of stainless steels.
All heat treatment applications indicated below are carried out under a suitable protective atmosphere so that parts remain bright and clean.
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The CuproBraze® process is mainly used for production of automotive radiators and large heat exchangers for specialized vehicles.
CuproBraze® furnaces provide:
* Low-cost production of light, durable and compact heat exchangers with a lead-free, environment-friendly and atmosphere-controlled brazing process.
* The brazed heat exchangers are clean and do not require washing. The brazing applied is high-strength and corrosion-resistant.
* Many methods of brazing application have been developed.
SECO/WARWICK offers the following furnaces:
* For semi-continuous production: compact dual- and triple-chamber furnaces.
* Continuous operation furnaces for a long-run production process, which enables brazing of various elements – recommended for diversified production.
Continuous-operation furnaces
Drawing on the design and production experience of SECO/WARWICK in convection (CAB C) furnaces, we have developed a high-performance furnace with belt conveyor for continuous brazing with the CuproBraze® technology. The system consists of a convection heating chamber, water-jacketed cooling chamber assembly, final air cooling station, and ACCUBRAZE PLC/PC computer control system.
This design enables continuous brazing of loads with different weights and dimensions. The versality of the furnace provides the optimum temperature for each element to be brazed.
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Design Features:
- Electric or gas heating.
- Gas-tight alloy muffle, for perfect furnace atmosphere control and low protective gas consumption.
- Choice of protective gas systems, for external supply or built-in generator, to suit all industrial requirements.
- Unique SAFED mesh belt drive system, with reciprocating hearth plate, for smooth parts transport and low belt wear.
- Automatic control of all process parameters, for versatility and reproducibility..
Operation:
Workpieces are loaded in bulk or positioned on the mesh belt at the loading station. They pass through several heating zones inside the gas-tight muffle to the chute and drop into the quench. The workpieces are then retrieved from the quench tank by a conveyor.
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Furnaces type T are designed for continuous hardening of mass produced steel parts.
Engineered for high precision and excellent reproducibility they meet the most stringent metallurgical requirements.
Typical heat treatment applications, at temperature
up to 950 °C:
- Hardening or case hardening, i.e. gas carburizing and carbonitriding with oil or polymer quench.
- Austempering and Martempering with salt bath quench.
- SAFED OXYCAD® ontinuous nitrocarburizing process.
All these treatments are carried out under controlled atmosphere.
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Thanks to its wide range of continuous furnaces, IVA is in a position to provide particularly powerful, economical systems for heat treating bulk batches of all kinds.
IVA conveyor-belt furnaces have been specifically designed for continuous hardening, carburising, carbonitriding and annealing bulk batches under inert gas. With capacities of up to 500kg per hour, these furnaces are designed to suit the needs of the specific application.
IVA conveyor-belt furnaces are highly reliable and economical. They are constructed so as to be easy to service and feature modern, light-weight insulating materials to maximise energy-saving.
Various additional components are available to adapt the furnaces to a number of applications and to automate them by stages. The following modules are available:
* Automatic workpiece feed
* Oil or water quenching tanks
* Warm salt tanks cleaning equipment
* Degreasing plant
* Gas feed plant
* Blacking tanks
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Continuous belt furnace
For drying screen printed, solvent-containing multilayer ceramic foils (Greenfoils). Channel length 4,5 m, width 1,0 m, 18 kW. The furnace can be designed according customser's requirements.
Product-ID: 87
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Can-Eng’s Mesh Belt Furnace Systems are field-proven leaders in reliability, fuel-efficiency and to production uptime. Standard capacities range from 250 lbs/hr to 7,000 lbs/hr. (100 kgs/hr to 3000 kgs/hr)
Processes available include sintering, clean hardening, light case carburizing & carbonitriding, austempering, and martempering.
Mesh belt lines are completely automated heat treating systems that include loading systems, washers, hardening furnace, quench, temper, soluble oil tanks and atmosphere generators.
As a leading producer of mesh belt furnaces, Can-Eng can deliver any or all of the components of a fully integrated system. And, our follow-up services and factory support is engineered to set the standard for the entire furnace industry.
•Continuous production that delivers superior quality
•Standard capacities from 100 kgs/hr to 3000 kgs/hr
•Superior part quality capabilities
•Proven field reliability
•Maximum fuel efficiency through innovative design and energy recuperation
•Carburizing capabilities
Applications: Fasteners, Stampings, Bearings, Machined components, Automotive parts, Hand tools
Processes: Clean Hardening, Light case carburizing and carbontriding, Austempering and martempering
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Main use:
Furnaces type BdL are mainly used for tempering steel parts under air circulation, after hardening. Other uses are indicated below.
Heat treatment of steel:
- Tempering.
- Annealing.
- Stabilizing.
- Ageing.
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Main use:
Furnaces type T are designed for continuous hardening of mass produced steel parts.
Engineered for high precision and excellent reproducibility they meet the most stringent metallurgical requirements.
Typical heat treatment applications, at temperature
up to 950 °C:
- Hardening or case hardening, i.e. gas carburizing and carbonitriding with oil or polymer quench.
- Austempering and Martempering with salt bath quench.
- SAFED OXYCAD® ontinuous nitrocarburizing process.
Hardening furnaces type T for austempering and martempering applications. The hardening furnace type T may be equipped with a salt quench tank designed for molten salt up to 400 °C.
Quench tank type GS:
The tank has thermal insulation and a heated hood over the discharge conveyor to keep parts at temperature. Heating and cooling systems are provided for heating up and holding the salt at the required temperature.
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Main use:
Furnaces type BdT are used for tempering steel parts at temperatures up from 650 °C, where a protective atmosphere is required.
Design Features:
- Electric, depending on application.
- Gas-tight alloy muffle, for perfect furnace atmosphere control.
- Variable drive of mesh belt for process time adjustment.
- Equipped with quench tank for fast cooling and/or blackening.
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Technical data :
• Treatments: tempering, annealing, brazing, brazing of precious metals, hardening of stainless steel with 13% of chromium, overhardening, sintering, recrystallization.
• Temperature up to 1'100°C.
• Useful length of the heated zone from 100 to 800 mm.
• Useful height : from 45 to 200 mm.
• Heated lenght: from 800 to 8000 mm.
• Material: steel, stainless steel, copper, precious metals
• Atmospheres : nitrogen, Hydrogen, Air, Argon, Cracket Ammonia, N2+H2 mixture, endothermic gas.
Process control and supervision by our partner AXRON Swiss Technology (www.axron.com)
Accessories for compact furnaces: gas mixer, ammonia crackers, pressure reducer, water cooler, supervision with PC...
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Belt furnaces with quenching tank
Treatments:
- Carburising - Water quenching, polymer,
- Austenitisation oil and/or salt
- Carbonitriding - Tempering under N2 or air
- Annealing - Washing
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Technical data :
• Treatments: Autenitisation, carburising, carbonitriding, annealing, brazing, brazing of precious metals, nitriding, tempering, hardening of stainless steel with 13% of chromium, overhardening, sintering, recrystallization.
• Temperature up to 1'100°C.
• Useful length of the heated zone from 100 to 800 mm.
• Useful height : from 45 to 200 mm.
• Heated lenght: from 800 to 8000 mm.
• Material: steel, stainless steel, copper, precious metals
• Atmospheres : nitrogen, Hydrogen, Air, Argon, Cracket Ammonia, N2+H2 mixture, endothermic gas.
Process control and supervision by our partner AXRON Swiss Technology (www.axron.com)
Accessories for compact furnaces: gas mixer, ammonia crackers, pressure reducer, water cooler, supervision with PC...
Equipment for furnaces with quench tanks : loading system, vibrators, washing machines, oil separators, salt recovery system and tempering furnaces...
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We offer a wide line of hump type and straight through mesh belt furnaces and ovens for continuous blackening, brazing, annealing and sintering of light parts or assemblies in controlled atmospheres.
Belt widths range from 12" to 92" for processing temperatures up to 2100°F (1150°C). Silicon carbide, ribbon or tubular heating elements are available along with direct heated or muffle type designs. Water-jacketed coolers are shipped as complete sections. Air jet coolers can be provided for final cooling.
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Industrial conveyor belt drying furnaces
Components to be dried are placed on the belt individually with out touching each other to ensure total drying.
This type of furnace sits perfectly inline with a galvanizing treatment line where parts are stationary and do not move around. The working temperature depends on customer’s requests, but they generally run at a temperature of around 150 degrees Celsius.
These furnaces range from 200 to 2000 mm belt size.
Heatimg can be electric or gas.
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Technical data :
• Batch gross weight (kg): from 50 to more than 1000 kg.
• Height: from 300 to 1100 mm.
• Useful diameter : from 400 to 1100 mm.
• Processes : Autenitisation, carburising, carbonitriding, annealing, brazing, nitriding, nitrocarburizing.
• Temperature up to 1'050°C.
• Quenching media : water, polymer, oil max 200°C or salt max 450°C.
• Maximum configuration: several treatment furnaces and quenching tanks.
• Equipment : washing machines, oil separator, salt recovery system and tempering furnace.
Manipulator : manual, semi or full automatic.
Technical and economical advantages:
• All the processes and quenching liquids are possible.
• Perfect integration in your production flow, adaptable in any time according to the evolution of your needs.
• Easy to use in semi or full automatic.
• No time losses in processes changes.
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industrial furnace
Design & manufacturing of furnaces & heat treatment equipment
Treatments:
- Austenitisation
- Annealing
- Brasing
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Moldatherm heater realizes energy saving of 15~20% and provides ease of access for maintenance. Each unit is standardized.
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This is a high temperature sintering and firing furnace used for sintering precious metal parts and firing of UO2 pellets in the temperature range of 1200-1800C. Select either a ceramic conveyor type, walking-beam type or tray-pusher type transfer mechanism.
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