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  • Pit-carbonitriding-furnace
  • Pit-carbonitriding-furnace2
  • Pit-carbonitriding-furnace
  • Pit-carbonitriding-furnace2

Pit carbonitriding furnace

  • Processing capacity:300-20000kg
  • Rated temperature:500-850 ℃
  • Application:forging parts, casted parts,pressure vessel,Train railway,special steel plate,shaft,rotary parts,centrifugal fan impeller
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1. Introduction

Pit carbonitriding furnace is standard energy-saving cycle operation nitriding resistance furnace .

2. Structure

It consists of furnace shell,furnace lining,heating element,furnace cover,furnace lifting device, hot wind circulation system and cooling system, atmosphere control system ,intelligent electronic control system and so on.

3. Operation cautions

Pit type carbonitriding furnace is mainly used for carbonitriding that adops mixture of carburizing and nitriding . Medium temperature carbonitriding is used to improve the hardness of workpiece, low temperature is mainly nitriding,its main purpose is to improve the wear resistance and anti - bite of the workpiece.The gas organization after carbonitriding, quenching, tempering are nitrogen martensite, carbon nitrogen compounds and residual austenite.Strength and abrasion resistance of 0.6 ~ 1.0 mm arbonitriding layer is nearly same to that of 1.0 ~ 1.5 mm.The main components that needs carbonitriding is gears, which is used in automobile, tractor gearbox more, and needs priority middle temperature carbonitriding.

 

Pit carbonitriding furnace mainly be applied to those conditions that requires high strength and high wear resistance, such as the piston rod, crankshaft, gears, levers, pedal and other parts, at present widely used in auto parts, machinery, aerospace, rail transportation equipment wear spare parts.

 

Type No. Rated Power (Kw) Rated Temperature (℃) Rated Voltage (V) Phase (P) Connect way of heating element Empty furnace temperature up time(H) Empty furnace consumption power(Kw) Theory loading quantity (Kg) Working area size diameter*length (mm) Heating area (zone)
RQD-25-9 25 950 380 3 Y ≤2.5 ≤8 50 Ø300x450 1
RQD-35-9 35 950 380 3 Y ≤2.5 ≤12 70 Ø300x600 1
RQD-60-9 60 950 380 3 Y;Y ≤3.0 ≤21 150 Ø450*600 2
RQD-75-9 75 950 380 3 Y;Y ≤3.0 ≤27 220 Ø450x900 2
RQD-90-9 90 950 380 3 Y;Y ≤3.0 ≤30 400 Ø600x900 2
RQD-105-9 105 950 380 3 Y;Y ≤3.5 ≤36 500 Ø600x1200 2
RQD-130-9 130 950 380 3 Y;Y ≤3.5 ≤45 650 Ø750x1200 2
RQD-150-9 150 950 380 3 Y;Y ≤4.0 ≤54 800 Ø900x1200 2
RQD-190-9 190 950 380 3 Y;Y;Y ≤4.0 ≤66 1200 Ø1050x1500 2
RQD-230-9 230 950 380 3 Y;Y;Y ≤4.0 ≤81 2000 Ø1200x1800 3
RQD-270-9 270 950 380 3 Y;Y;Y ≤4.5 ≤90 5000 Ø1500x2100 3
RQD-285-9 285 950 380 3 Y;Y;Y ≤4.0 ≤95 1000 Ø1900x2200 3
RQD-360-9 360 950 380 3 △:△:△ ≤4.0 ≤100 5000 Ø1500x3500 3
RQD-390-9 390 950 380 3 Y;Y;Y ≤5.0 ≤135 8000 Ø2000x2500  

Please note:the above sizes are standard products ,we can also provide customized products according to customers' requests.

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