Камерные печи с циркуляцией воздуха с электрическим обогревом

Оптимальное распределение воздуха за счет высоких скоростей потока.

Управление процессами

Функции и оборудование

NA120_45
NA250_45
NA_Thermoelementdurchfuehrung
NA_Einlegeblech
Rollengang
Forced convection chamber furnace NA 120/45
Forced convection chamber furnace NA 250/45
Термоэлементный ввод
Вставной щиток
Рольганг в печном пространстве

Due to their very good temperature uniformity, these forced convection chamber furnaces with air circulation are suitable for processes such as stress relieving, artificial aging, and cooling glass as well as pre-heating glass molds. To burn in release agents in glass molds, to burn in organic pastes or to sterilize laboratory glassware, the forced convection chamber furnaces are equipped with the corresponding passive safety concepts. The modular design of the forced convection chamber furnaces allows them to be adapted with appropriate accessories to suit process requirements.

  • Tmax 450 °C, 650 °C, or 850 °C
  • Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
  • Horizontal air circulation with optimum distribution through stainless steel baffles
  • Swing door hinged on the right
  • Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP). This explicitly means that alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
  • Temperature uniformity up to +/− 4 °C according to DIN 17052-1 in the empty work space
  • One frame sheet and rails for two additional trays included in the scope of delivery
  • Base frame included in the delivery
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
  • Controller with touch operation B500 (5 programs with each 4 segments)

Дополнительное оборудование

Additional Equipment (not for Models NAT ..)

  • Optimization of the temperature uniformity up to +/− 3 °C according to DIN 17052-1 in the empty work space
  • Air inlet and exhaust air flaps when used for drying
  • Controlled cooling with Controller P570, for example, to relieve stresses in glass at low cooling rates (optional: PLC with controlled cooling and optimized control accuracy for cooling rates as low as 0.2 °C per hour)
  • Manual lift door (up to model NA 120/..)
  • Electro-hydraulic/pneumatic lift door
  • Air circulation with speed control, recommendable for processes with light or sensitive charge
  • Additional frame sheet
  • Gas supply boxes different charging methods
  • Feed and charging aids
  • Safety technology according to EN 1539 (models NA .. LS) for charges containing solvents
  • Furnaces in DB design with fresh air preheating, exhaust gas fan, and extensive safety package for processes with low evaporation rates of organic material
  • Inlets, measuring frames and thermocouples for TUS measurements charge or comparative measurements
  • Charge control with documentation of the charge thermocouple
  • Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control

Спецификации

ModelTmaxInner dimensions in mmVolumeOuter dimensions1 in mmHeatingElectricalWeightHeat-up time3Cool-down time3 from Tmax
     power  to Tmaxto 150 °C in minutes
 °Cwdhin lWDHin kW2connectionin kgin minutesFlaps4Fan cooling4
NA 120/454504506004501201075147515009.03-phase280609030
NA 250/4545060075060025012501660167012.03-phase6506012030
NA 500/45450750100075050014001910181018.03-phase8009024045
               
NA 120/45 LS45045060045012012501550195018.03-phase45060--
NA 250/45 LS45060075060025013501650208024.03-phase52060--
NA 500/45 LS450750100075050015501900222024.03-phase73090--
               
NA 60/6565035050035060930131014359.03-phase2409021030
NA 120/6565045060045012010301410153512.03-phase2809024060
NA 250/6565060075060025012501700175020.03-phase6509048060
NA 500/65650750100075050014001950190027.03-phase8509060090
               
NA 60/8585035050035060790133014409.03-phase315150900120
NA 120/858504506004501208901420154012.03-phase390150900120
NA 250/8585060075060025011201690181020.03-phase840180900180
NA 500/85850750100075050012701940196030.03-phase1150180900210
NA 675/85850750120075067512702190196030.03-phase1350210900210
1External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
2Depending on furnace design connected load might be higher 
3Approx. information in empty furnace 
4Additional equipment

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