Chamber Furnaces for Annealing, Hardening and Brazing up to 1280 °C

Low energy consumption due to multi-layer insulation.

Process Control

Function and equipment

N61H
N7_H_
Beschickungswagen
Tiefer_Ofenraum
Chamber furnace N 61/H
Chamber furnace N 7/H as table-top model
Working with protective gas boxes for a protective gas atmosphere using a charging cart
Deep furnace chamber with three-sides heating

To withstand harsh use in the laboratory, e.g. when heat-treating metals, robust insulation with light refractory bricks is necessary. The chamber furnaces N 7/H - N 87/H are a perfect fit to solve this problem. The furnaces can be extended with a variety of accessories, like annealing boxes for operation under protective gas, roller guides, or a cooling station with a quench tank. Even high-performance applications like the annealing of titanium in medical applications can be implemented without the use of expensive and complicated annealing systems.

Standard Equipment

  • Tmax 1280 °C
  • Deep furnace chamber with three-sides heating: from both side walls and bottom
  • Heating elements on support tubes ensure free heat radiation and a long service life
  • Bottom heating protected by heat-resistant SiC plate
  • Temperature uniformity up to +/− 10 °C according to DIN 17052-1
  • Low energy consumption due to multi-layer insulation
  • Base frame included in the delivery, N 7/H - N 17/HR designed as table-top model
  • Parallel guided downward swinging door (user protected from heat radiation)
  • Door movement cushioned with gas dampers/struts
  • Controller B500 (5 prgrams with each 4 segments)
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Technical specifications

Model Tmax Inner dimensions in mm Volume Outer dimensions1 in mm Connected Electrical Weight Heating time
  in °C w d h in l W D H load in kW connection* in kg in min2
N 7/H 1280 250 250 140 9 800 650 600 3.0 1-phase 60 320
N 11/H 1280 250 350 140 11 800 750 600 3.5 1-phase 70 320
N 11/HR 1280 250 350 140 11 800 750 600 5.5 3-phase3 70 70
N 17/HR 1280 250 500 140 17 800 900 600 6.4 3-phase3 90 110
N 31/H 1280 350 350 250 31 1040 1030 1340 15.0 3-phase 210 90
N 41/H 1280 350 500 250 41 1040 1180 1340 15.0 3-phase 260 105
N 61/H 1280 350 750 250 61 1040 1430 1340 20.0 3-phase 400 105
N 87/H 1280 350 1000 250 87 1040 1680 1340 25.0 3-phase 480 105
1External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.*Please see page 75 for more information about supply voltage
2Heating time of the empty and closed furnace up to Tmax −100 K (connected to 230 V 1/N/PE rsp. 400 V 3/N/PE)
3Heating only between two phases

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Further products

Chamber Furnaces with Brick Insulation or Fiber Insulation up to 1400 °C

See product

Accessories for the Heat Treatment of Metals

See product

Catalog

A complete overview of our extensive range of furnaces, ovens and accessories for the laboratory can be found in our “Laboratory” catalog.

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