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W 1500/H Bogie hearth furnace W 2060/S without bogie heating for preheating fusion molds

Bogie hearth furnace W 3300 for glazing melting crucibles for the solar industry

W 2200/14 DB with debinding package and catalytical afterburning system

W 8250/S for tempering quartz glass

W 7500 with bogie, separated in three parts

Bogie hearth furnace in IDB-version with gas box for debinding and sintering under non-flammable protective or reaction gases

W 1000 - W 10000/14, W 1000/DB - W 10000/14DB

Bogie hearth furnaces offer a whole series of advantages in firing, sintering and tempering in production. The bogie can be loaded outside the furnace. If multiple bogies are used, one bogie can be loaded while the other is in use in the furnace. Useful accessories like multi-zone control to optimize the temperature uniformity, controlled cooling systems to shorten process times to the fully automatic system with motorized bogies and bogie exchange provide for the perfect adaptation of these furnaces to production process. A combi furnace version with debinding package for debinding and sintering in a single process is also possible.

  • Tmax 1280  °C, 1340  °C or 1400  °C
  • Dual shell housing with rear ventilation, provides for low shell temperatures
  • Swing door hinged on the right side
  • Heating from five sides (four sides and bogie) provides for an optimum temperature uniformity
  • Bogie heating receives power via blade contacts when driven in
  • Heating elements mounted on support tubes provide for free radiation and long service life
  • Bottom heating protected by SiC tiles on the bogie providing level stacking surface
  • Multi-layer insulation consisting of lightweight refractory bricks backed by microporus silica insulation
  • Self-supporting and long-life ceiling construction with bricks laid in arched construction, for models up to 1340  °C or as fiber insulation
  • Roof made of high-quality fiber material for models with Tmax 1400  °C
  • Freely moveable bogie with rubber wheels up to model W 3300
  • Adjustable air inlet damper
  • Manual exhaust air flap on the furnace roof
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load

Additional equipment

  • Fiber insulation also in combination with meander shaped heating for short heating times
  • Bogies with flanged wheels running on rails for easy and precise movement of high loads or complex kiln furniture
  • Electric chain-driven bogie in combination with rail operation for smooth movement of heavy loads
  • Bogie running on steel wheels with gear rack drive, no rails in front of the furnace necessary
  • Different possibilities for an extension to a bogie hearth furnace system: 
    • Additional bogies
    • Bogie transfer system with parking rails to exchange bogies running on rails or to connect multiples furnaces
    • Motor-driven bogies and cross-traversal system
    • Fully automatic control of the bogie exchange
  • Electro-hydraulic lift door
  • Kiln furniture
  • Motor-driven exhaust air flap, switchable via the program
  • Uncontrolled or controlled cooling system with frequency-controlled cooling fan and motor-driven exhaust air flap
  • Multi-zone control adapted to the particular furnace provides model for optimal the temperature uniformity
  • IDB design with gas supply system and safety technology for debinding in non-flammable protective gases
  • Commissioning of the furnace with test firing and temperature uniformity measurement (also with load) for the purpose of process optimization
  • Debinding packages with passive safety concept
  • Thermal or catalytic exhaust cleaning systems
  • Process documentation and control with Controltherm MV software package, NTLog and NTGraph for the basic furnace or Nabertherm Control Center (NCC) for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeating
power inElectricalWeight
 °Cwdhin lWDHkW¹connection*in kg
W 1000 1280 800 1600 800 1000 1470 2410 1915 57 3-phase 3000
W 1500 1280 900 1900 900 1500 1570 2710 2030 75 3-phase 3500
W 2200 1280 1000 2200 1000 2200 1670 3010 2140 110 3-phase 4500
W 3300 1280 1000 2800 1200 3300 1670 3610 2355 140 3-phase 5300
W 5000 1280 1000 3600 1400 5000 1670 4410 2555 185 3-phase 7300
W 7500 1280 1000 5400 1400 7500 1670 6210 2555 235 3-phase 10300
W 10000 1280 1000 7100 1400 10000 1670 7910 2555 300 3-phase 12500
                       
W 1000/H 1340 800 1600 800 1000 1470 2410 1915 75 3-phase 3500
W 1500/H 1340 900 1900 900 1500 1570 2710 2030 110 3-phase 4000
W 2200/H 1340 1000 2200 1000 2200 1670 3010 2140 140 3-phase 5000
W 3300/H 1340 1000 2800 1200 3300 1670 3610 2355 185 3-phase 6000
W 5000/H 1340 1000 3600 1400 5000 1670 4410 2555 235 3-phase 8000
W 7500/H 1340 1000 5400 1400 7500 1670 6210 2555 370 3-phase 11300
W 10000/H 1340 1000 7100 1400 10000 1670 7910 2555 440 3-phase 13800
                       
W 1000/14 1400 800 1600 800 1000 1470 2410 1915 75 3-phase 3300
W 1500/14 1400 900 1900 900 1500 1570 2710 2030 110 3-phase 3800
W 2200/14 1400 1000 2200 1000 2200 1670 3010 2140 140 3-phase 4800
W 3300/14 1400 1000 2800 1200 3300 1670 3610 2355 185 3-phase 5700
W 5000/14 1400 1000 3600 1400 5000 1670 4410 2555 235 3-phase 7700
W 7500/14 1400 1000 5400 1400 7500 1670 6210 2555 370 3-phase 10900
W 10000/14 1400 1000 7100 1400 10000 1670 7910 2555 440 3-phase 13300
¹Depending on furnace design connected load might be higher *Please see page 80 for more information about supply voltage
 

Pit-Type and Top-Loading Furnaces with or without Air Circulation Electrically Heated or Gas-Fired

S 1512/85HAS S 5120/GS1, furnace chamber divided in two sections, split cover

S 4100/S for sintering of high parts

Furnace chamber S 5120/GS with receptacle for an insulating plate in order to devide the furnace chamber

Our top-loading furnaces are perfectly suited for firing, sintering or tempering of long, heavy products. The furnace is usually charged with a factory crane. Due to their high-performance air recirculation system, the furnaces provide for excellent temperature uniformity up to a maximum temperature of 850 °C. The top-loading furnaces for the temperature range up to 1280 °C provide for very good temperature uniformity due to their five-side heating. Alternatively, these furnaces can also be provided with gas heating. Customized dimensions are designed and produced to accomodate the size and weight of the components to be treated.

  • Tmax 260  °C, 450  °C, 600  °C or 850  °C for furnaces with air recirculation
  • Tmax 900  °C or 1280  °C for furnaces with radiant heating
  • Electrically heated or gas-fired
  • Heating from both long sides for furnaces with air recirculation
  • Heating from all four sides and the floor with SiC plates in the floor as level stacking support for models to 900  °C or 1280  °C
  • Hight-quality insulation, adapted to the specific maximum temperature
  • Electrohydraulic opening system of the lid with two-hand operation
  • Closable air supply vents in the lower area of the furnace chamber
  • Closable exhaust air vents in the lid
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load

Additional equipment

  • Automatic exhaust air flaps for faster cooling
  • Controlled fan cooling with electrically driven exhaust air flaps
  • Multi-zone control of the heating provides for optimum temperature uniformity
  • Furnace chamber can be devided in length for short workparts, partitions can be controlled separately
  • Designed for Tmax 950  °C, fan blade driven indirectly via a belt to protect the air recirculation motor against over-heating
  • Process control and documentation with Controltherm MV software package
 

Lift-Top or Lift-Bottom Furnaces with Wire Heating up to 1400 °C also as Combi Furnaces for Debinding and Sintering in One Process

 
H 1000/LB H 1600/14DB  

Lift-top furnace H 3630/LTHDB for debinding and sintering

Lift-top system H 245/LTS with cooling station and table changing system

Lift-top furnace with alternating table system and protective gas boxes for sintering in non-flammable protective and reaction gas

Kiln furniture for small ceramics components

H 125/LB or LT - H 3000/LB or LT

In production lift-top and lift-bottom furnaces have the advantage in comparison with chamber furnaces that even complex charge loads can be clearly arranged. The basic furnace is equipped with a table fixed in place under the hood. The system can be expanded to include one or more changeable tables, either manually or motor driven. Depending on process conditions, a lift-top- or lift-bottom version is advisable. Further additional equipment like a multi-zone control to optimize the temperature uniformity or controlled cooling systems for shorter processes provide for customized solution with respect to the process requirements. A combi furnace version with debinding package I or II for debinding and sintering in a single process is also available. The furnaces are moreover perfectly suited for special applications like sintering fuel cells, in which auxiliary fittings must be introduced in the furnace from below or above.

  • Tmax 1280  °C
  • Dual shell housing with rear ventilation for low shell temperatures
  • Electrohydraulically driven hood with fixed table
  • Five-sided heating from all four sides and from the table provides for a good temperature uniformity
  • Heating elements mounted on support tubes provide for free radiation and long service life of the heating wire
  • Bottom heating protected by SiC tiles which provide for a level stacking surface
  • Multi-layer insulation consisting of lightweight refractory bricks backed by special insulation
  • Long-life ceiling design with fiber insulation
  • Manual exhaust air flap on the furnace roof
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load

Additional equipment

  • Tmax to 1400  °C
  • Lift-bottom furnace version with driven table and fixed hood
  • Uncontrolled or controlled cooling system with frequency-controlled cooling fan and motor-driven exhaust air flap
  • Protective gas connection for purging the furnace with non-flammable protective or reaction gases
  • Manual or automatic gas supply systems
  • Multi-zone control adapted to the particular furnace provides model for optimal the temperature uniformity
  • Commissioning of the furnace with test firing and temperature uniformity measurement (also with load) for the purpose of process optimization
  • Additional tables, table changing system, also motor-driven
  • Motor-driven exhaust air flap, switchable via the program
  • Debinding package I with passive safety package and monitoring of the underpressure in the furnace chamber, exhaust gas fan, fresh air fan, preset underpressure in the furnace chamber, controlled by Nabertherm controller P 300
  • Debinding package II with passive safety concept
  • Exhaust air and exhaust gas piping
  • Thermal or catalytic exhaust cleaning systems
  • Heat recovery systems
  • Process documentation and control with Controltherm MV software package, NTLog and NTGraph for the basic furnace or Nabertherm Control Center (NCC) for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeating
power inElectricalWeight
 °Cwdhin lWDHkW¹connection*in kg
H 125/LB, LT 1280 800 400 400 125 1570 1280 2000 12 3-phase 1250
H 250/LB, LT 1280 1000 500 500 250 1770 1380 2200 18 3-phase 1400
H 500/LB, LT 1280 1200 600 600 500 2050 1780 2500 36 3-phase 1800
H 1000/LB, LT 1280 1600 800 800 1000 2250 2000 2900 48 3-phase 2800
H 1350/LB, LT 1280 2800 620 780 1360 3750 2050 3050 75 3-phase 3500
H 3000/LB, LT 1280 3000 1000 1000 3000 4000 2100 3200 140 3-phase 6200
¹Depending on furnace design connected load might be higher *Please see page 80 for more information about supply voltage
 

Combi Chamber Furnaces up to 1400 °C for Debinding and Sintering in one Process

 
N 200/HDB N 650/HDBS  

Injection of preheated air through perforated ceramic tubes

Pressure and flow rate displayed as part of debinding package II

N 697/HDS with debinding package II for debinding and sintering of standing filter products

N 200/DB - N 1000/14DB

The combi chamber furnaces N 200/DB - N 1000/14DB are specially developed for debinding and sintering in one process. The furnaces have a fresh air supply providing for dilution of the exhaust gases produced during debinding, for safe prevention of an inflammable atmosphere in the furnace chamber. The standard version of the furnaces includes debinding package I, with fresh air injected at room temperature in the furnace and with a factory pre-set volume flow with respect to the organic volume to be vaporized. In addition, the furnaces have an exhaust gas fan that is also factory pre-set and provides for a safe underpressure in the furnace. This system prevents exhaust gases from escaping into the production area. The passive safety package immediately intervenes when the underpressure in the furnace chamber drops. This system is recommended for reproducible processes in which the load does not change.

If the furnace is to be used flexibly with changing loads, we recommend debinding package II. The furnace then includes fresh air preheating with variable fan speed and injection of the warm fresh air through air distribution tubes. The exhaust gas fan also operates at variable speed. The PLC control system automatically adjusts the underpressure in the furnace chamber.

  • Tmax 1280  °C, 1340  °C or 1400  °C
  • Five-sided heating from all four sides and from the floor for a good temperature uniformity
  • Heating elements mounted on support tubes provide for free radiation and long service life of the heating wire
  • Bottom heating protected by SiC tiles on the table to provide a level stacking surface
  • Multi-layer insulation consisting of lightweight refractory bricks backed by special insulation
  • Self-supporting and long-life ceiling construction, with bricks laid in arched construction
  • Motor-driven exhaust air flap on the furnace roof
  • Debinding package I with passive safety package and monitoring of the underpressure in the furnace chamber, exhaust gas fan, fresh air fan, preset underpressure in the furnace chamber, controlled by Nabertherm controller P 300
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load

Additional equipment

  • Multi-zone control adapted to the particular furnace model for optimizing the temperature uniformity
  • Commissioning of the furnace with test firing and temperature uniformity measurement (also with load) for the purpose of process optimization
  • Debinding package II with passive safety concept
  • Exhaust air and exhaust gas tubing
  • Thermal or catalytic exhaust cleaning systems
  • Process documentation and control with Controltherm MV software package, NTLog and NTGraph for the basic furnace or Nabertherm Control Center (NCC) for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmElectricalWeight
 °Cwdhin lWDHconnection*in kg
N 200/DB 1280 430 530 720 140 760 1045 1690 3-phase 370
N 300/DB 1280 420 700 780 230 810 1215 1750 3-phase 410
N 450/DB 1280 470 750 1000 350 1010 1440 1815 3-phase 815
N 650/DB 1280 650 850 1100 610 1600 1750 2650 3-phase 1350
N 1000/DB 1280 750 1000 1250 940 1900 2250 2400 3-phase 2100
                     
N 200/HDB 1340 430 530 720 140 760 1045 1690 3-phase 420
N 300/HDB 1340 420 700 780 230 810 1215 1750 3-phase 500
N 450/HDB 1340 470 750 1000 350 1010 1440 1815 3-phase 1040
N 650/HDB 1340 650 850 1100 610 1600 1750 2650 3-phase 1550
N 1000/HDB 1340 750 1000 1250 940 1900 2250 2400 3-phase 2500
                     
N 200/14DB 1400 430 530 720 140 760 1045 1690 3-phase 450
N 300/14DB 1400 420 700 780 230 810 1215 1750 3-phase 550
N 450/14DB 1400 470 750 1000 350 1010 1440 1815 3-phase 1320
N 650/14DB 1400 650 850 1100 610 1600 1750 2650 3-phase 1750
N 1000/14DB 1400 750 1000 1250 940 1900 2250 2400 3-phase 2700
*Please see page 80 for more information about supply voltage
 

Chamber Furnaces with Wire Heating up to 1400 °C

N 2900 N 1680/S for long parts

Chamber furnace with fiber insulation for shorter cycle times

Charging trolley for N 2200

N 100 - N 2200/14

These high-quality chamber furnaces for firing, sintering and tempering have qualified themselves with the reliability for many years in daily use. Thanks to their five-side heating, the furnaces provide for a very good temperature uniformity. A wide range of additional equipment perfectly adapt these models to the process requirements.

  • Tmax 1300  °C, 1340  °C or 1400  °C
  • Five-side heating provide for good temperature uniformity
  • Heating elements on support tubes provide for free heat radiation and long service life
  • Vapour vent in the middle of the roof (excellent ventilation)
  • Smoothly adjustable and easy-to-operate air inlet flap or sliding damper
  • Self-supporting and long-life ceiling construction, with bricks laid in arched construction
  • Special door lock for easy handling
  • Multi-layer insulation consisting of lightweight refractory bricks and backed by special fiber insulation
  • Models up to N 300/.. with removable stand
  • Bottom heating elements protected by SiC tiles for level stacking surface

Additional equipment

  • Motor-driven exhaust air flap
  • Fan system for faster cooling with manual or automatic control
  • Protective gas connection for purging the furnace with non-flammable protective or reaction gases
  • Manual or automatic gas supply systems
  • Fiber-insulation for shorter cycle times, especially cooling periods
  • Multi-zone control for optimal temperature uniformity in the useful chamber
  • Over-temperature limiter with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
ModelTmaxInner dimensions in mmVolumeOuter dimensions in mmHeating
power inElectricalWeight
 °Cwdhin lWDHkW¹connection*in kg
N 100 1300 400 530 460 100 710 1150 1430 9 3-phase 270
N 150 1300 450 530 590 150 760 1150 1560 11 3-phase 305
N 200 1300 500 530 720 200 810 1150 1690 15 3-phase 345
N 300 1300 550 700 780 300 860 1340 1750 20 3-phase 430
N 440 1300 600 750 1000 450 1000 1450 1820 30 3-phase 700
N 660 1300 600 1100 1000 660 1000 1800 1820 40 3-phase 850
N 1000 1300 800 1000 1250 1000 1450 1850 2000 57 3-phase 1800
N 1500 1300 900 1200 1400 1500 1550 2050 2160 75 3-phase 2500
N 2200 1300 1000 1400 1600 2200 1650 2250 2360 110 3-phase 3100
                       
N 100/H 1340 400 530 460 100 710 1150 1430 11 3-phase 315
N 150/H 1340 450 530 590 150 760 1150 1560 15 3-phase 350
N 200/H 1340 500 530 720 200 810 1150 1690 20 3-phase 420
N 300/H 1340 550 700 780 300 860 1340 1750 27 3-phase 500
N 440/H 1340 600 750 1000 450 1000 1450 1820 40 3-phase 1040
N 660/H 1340 600 1100 1000 660 1000 1800 1820 57 3-phase 1260
N 1000/H 1340 800 1000 1250 1000 1450 1850 2000 75 3-phase 2320
N 1500/H 1340 900 1200 1400 1500 1550 2050 2160 110 3-phase 2700
N 2200/H 1340 1000 1400 1600 2200 1650 2250 2360 140 3-phase 3600
                       
N 100/14 1400 400 530 460 100 710 1150 1430 15 3-phase 345
N 150/14 1400 450 530 590 150 760 1150 1560 20 3-phase 400
N 200/14 1400 500 530 720 200 810 1150 1690 22 3-phase 450
N 300/14 1400 550 700 780 300 860 1340 1750 30 3-phase 550
N 440/14 1400 600 750 1000 450 1000 1450 1820 40 3-phase 1320
N 660/14 1400 600 1100 1000 660 1000 1800 1820 57 3-phase 1560
N 1000/14 1400 800 1000 1250 1000 1450 1850 2000 75 3-phase 2500
N 1500/14 1400 900 1200 1400 1500 1550 2050 2160 110 3-phase 3000
N 2200/14 1400 1000 1400 1600 2200 1650 2250 2360 140 3-phase 3900
¹Depending on furnace design connected load might be higher *Please see page 80 for more information about supply voltage

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