PKE Hardening chamber furnace up to 1280 °C

Stands up well both in labs and in industry

These furnaces are smaller variants of the PK furnaces. When designing them, we retained the durability of the internal lining, even in the smaller furnaces. Although heat accumulation in the lining is somewhat inferior to that in the PK, the PKE furnaces are, on the other hand, quicker to heat up, which you will especially appreciate if they are only used occasionally. We recommend these primarily for relatively small charges that are hand-manipulated.

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Benefits

  • Even temperature distribution
  • Appropriate for relatively small charges
  • Industrial robustness
  • Easy to install, easy to control
  • Custom adjustments
  • Delivery times as low as 5 weeks
  • Noise-free operation
  • 24-month warranty

Charge treatment technology

(PS = partially suitable)

  • Incineration, combustion, annealing loss (PS)
  • Enamel firing (PS)
  • Sintering (PS)
  • Heat treatment of metal materials 
  • Melting metal materials (PS)
  • Glass fusing 
  • Material testing  
  • Preheating prior to forging
  • Preheating moulds
  • Hardening
  • Cementing
  • Preheating castings
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Technical parameters

Furnace equipment

Furnace type Tmax°C Recommended operating temperature range in °C Volume in l External dimensions (w × h × d) mm Internal dimensions (w × h × d) mm Input in kW Weight in kg Protection*  Voltage V Max. load capacity of bottom in kg
PKE 12/12 1280 700 - 1200 12,2 700×650×850 250×200×250 3,0 95 16/1 230 20
PKE 18/12 1280 700 - 1200 17,5 700×650×900 250×200×350 3,5 101 16/1 230 30
PKE 18/12R 1280 700 - 1200 17,5 700×650×900 250×200×350 5,5 101 16/3 400 30
PKE 25/12 1280 700 - 1200 25 700×1300**×1100 250×200×500 7,0 132 16/3 400 50
PKE 45/12 1280 700 - 1200 44 800×1350**×1100 350×250×500 13,0 160 25/3 400 100
PKE 65/12 1280 700 - 1200 65 800×1350**×1300 350×250×750 16,0 195 32/3 400 130
PKE 90/12 1280 700 - 1200 87 800×1350**×1550 350×250×1000 18,0 225 32/3 400 150
*Protection can vary depending on accessories added (at additional cost).
** Height of furnace with stand.
Subject to technical changes.

Standard equipment

  • Ht40P controller (10 programmes with 15 steps each)
  • heating elements on the sides in ceramic panels
  • heating element at the bottom of the furnace in ceramic panels covered with a ceramic refractory plate
  • three-layer insulation made of ceramic-fibre plates
  • ventilation chimney for venting the furnace’s operational space
  • “S” type thermocouple
  • The PKE 12/12 through the PKE 18/12 are designed for 230 V and equipped with a 3 m connecting flexible cable
  • The PKE 18/12R through the PKE 90/12 are designed for 400 V and equipped with a 3 m cable with a CEE terminal
  • door manually opened downwards
  • contactor
  • door limit switch for safe opening of the furnace
  • tabletop (PKE 12 and PKE 18) or separately standing variant (height of loading edge 900 mm)

Optional accessories available at additional cost

  • injector with exhaust fan and draw interruptor for drawing flue gases away (we do not recommend combining with protective atmosphere intake)
  • ventilation chimney filler
  • protective atmosphere intake with manually or automatically controlled gas intake, for instance in the case where a working tub is used (cannot be produced in a semi-gastight variant)
  • graphic temperature recorder
  • metal sheet at bottom (only up to temperature of 1000 °C)
  • optimisation of the temperature field for DIN 17052-1 ΔT20 °C in the internal usable space (in an empty furnace at Tmax)
  • measurement protocol for evenness of temperature (a cable entry system is needed for the TUS test)
  • RS232 interface
  • HtMonit set (software + interface)
  • calibration of the controller’s measuring input
  • large hardening table for the PKE 25/12 through PKE 90/12, in combination with hardening tubs and fan
  • small hardening table for the PKE 12/12 and PKE 18/12 (R) with a combination of hardening tubs, fan, and PP 20
  • custom controller
  • custom stand 
  • working tub for hardening in protective atmosphere (up to 950 °C refractory steel, up to 1100 °C Inconel)
  • non-controlled overpressure forced cooling
  • controlled overpressure forced cooling
 
Note: When combining accessories (at additional cost), consult with our technical office.
Over 13,000 furnaces manufactured
Our own team of maintenance technicians
25-member design team
6 custom projects per month
Testing of your specific charges
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