Nabertherm LHT 01/17 & 03/17 D Sintering Furnace

High-Temperature Furnaces up to 1650 °C for Sintering Translucent Zirconia

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These high-temperature furnaces are ideally suited for sintering bridges and crowns made of translucent zirconia. The special heating elements made of molybdenum disilicide promise very good protection against chemical interaction between the charge and the furnace components. The bridges and crowns are loaded in ceramic saggars. These high-temperature furnaces are particularly convincing due to their very good price-performance ratio. The furnaces can be individually programmed for all recommended sintering curves by almost all zirconium manufacturers.

 

  • Tmax 1650  °C
  • Furnace chamber with a volume of 1 or 4 liters
  • Special heating elements made of molybdenum disilicide offer very good protection against chemical interaction between charge and heating elements
  • Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Compact design with lift door, opening upwards
  • Scope of delivery includes a starter set for charging on one level, additional levels as additional equipment
  • Adjustable air inlet
  • Furnace chamber can be charged with up to two (LHT 01/17D) or three (LHT 03/17D) saggars, 15 or 25 individual crowns per level (depending on model)
  • Exhaust air opening in the roof
  • Type S thermocouple
  • Precise temperature control, also in the lower temperature range for drying
  • Controller P480 (LHT 01/17 D) or P470 (LHT 03/17 D) with memory for 50 programs
  • Switchgear with steady control of the heating elements
  • Freely usable for sintering blanks of almost all leading manufacturers
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

 

Additional equipment
  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Stackable saggars for loading in up to two or three levels, depending on model
  • Process control and documentation via VCD software package for monitoring, documentation and control

 

Model Tmax Inner dimensions in mm Volume Maximum Outer dimensions in mm3 Connected Electrical Weight Minutes
  °C w d h in l units W D H2 load kW connection* in kg to Tmax1
LHT 01/17 D 1650 110 120 120 1 30 385 425 525+195 2.2 1-phase 28 10
LHT 03/17 D 1650 135 155 200 4 75 470 630 770+260 3.0 1-phase 75 60
1In the empty and closed furnace, connected to 230 V 1/N/PE rsp. 400 V 3/N/PE*These furnaces are available for main voltage of 200 V, 208 V, 220 V - 240 V, 1/N/PE or 2/PE
2Including opened lift door
3External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
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