Nabertherm LHT 01/17 & 02/17 LB Speed Sintering Furnaces

High-temperature bottom loading furnaces LHT 01/17 & 02/17 LB Speed with rapid cooling function

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Automated table lowering for fast coolingDue to their maximum temperature of 1650 °C and their large furnace chamber, the high-temperature bottom loading furnaces are perfectly suited for sintering translucent zirconia. The motor-driven lifting table significantly simplifies the charging of the high-temperature furnace. The all-around heating of the cylindrical furnace chamber ensures a very even temperature uniformity.

 

The high-temperature bottom loading furnaces are additionally equipped with a drying as well as a forced cooling function. For residual drying, the oven remains open gapwise during heating up to a defined temperature and thus ensures reliable removal of moisture. For accelerated cooling, the furnace is automatically opened step by step under program control. Depending on the batch used and the saggars, these high-temperature furnaces can achieve total cycle times of less than two and a half hours. The furnaces can be individually programmed for all recommended sintering curves of all zirconia manufacturers.

 

  • T max 1650  °C
  • Furnace chamber with a volume of 1 or 2 liters, table with large floor space
  • High-quality heating elements made of molybdenum disilicide offer very good protection against chemical interaction between charge and heating elements
  • Appealing, double-walled stainless steel housing
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Outstanding temperature uniformity due to all-round furnace chamber heating
  • Scope of delivery includes a starter set for charging on one level, additional levels as additional equipment
  • Precise, motorized toothed belt drive of the table with button operation
  • Forced cooling function with automatic, step-by-step opening from a preset temperature
  • Exhaust air vent in the roof
  • Type S thermocouple
  • Controller P480 with memory for 50 programs, 2 sample programs
  • Usable for sintering blanks of all leading manufacturers
  • Drying function: When starting the program the table will be driven in drying position and closes automatically at 500  °C
  • 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 mm1 Connected Electrical Weight Minutes
  °C w d h in l units W D H load kW connection* in kg to Tmax
LHT 01/17 LB Speed 1650 145 180 100 1 30 350 590 680 2.2 1-phase 40 85
LHT 02/17 LB Speed 1650 185 180 185 2 75 390 590 765 3.4 1-phase 50 75
*These furnaces are available for main voltage of 200 V, 208 V, 220 V - 240 V, 1/N/PE or 2/PE
1External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
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