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  • Heat Treatment Line

The heat treatment line could be a very flexible design, to meeting different space area, different efficiency requirement,this line is be equipped with quenching furnace, straightening machine,quenching furnace,convey system and tempering furnace.

Details

 1. Hardening furnace

M ain parameter for hardening furnace

Spring spec:           Length: 2502000mm               
Thickness : 625mm 
                      width: 45120mm        standard leaf: 20x90x1500mm
Fuel: LPG         Gas pressure: 3000-5000Pa
Chamber valid size(L*W*H) :9150mm×2200mm×650mm/350mm This furnace has preheating segment and heating segment. The height of preheating segment is 350mm. The chamber height of heating segment is 650mm
Contour sizemm(L*W*H)
11650×3950×3300mmfrom ground to hot air exchanger mouthheight of underground: 1000mm
Rated working temperature
1100
Burners quantity
8, two sides located, side burning
Temperature control:
Two segments use separate temperature control
Control tolerance
10.
Use SR series,J APAN intellectual temperature control instrument.
Capacity:
≥2.5t/hstandard leaf: 20x90x1500mm
2 Walking beams, the span of beams: 780mm
 
Fuel consumption
40-45Kg LPG/ton of spring (caloric value of1Kg LPG is10000Kcal)
Use OMRON PLC to control the atcion of walking beam.

 2. Quenching Machine (Cambering machine) and convey system

Whole convey system including convey chain inside tank, reducer, shaft, hot leaf convey chain between furnace and quenching machine etc.)

Main technical parameter for quenching machine

Rated system pressure
MPa
forming force
30kN
Max. dimension of leaves
CHJ-2000: 1900mm×160mm×25mm      Max. camber:260mm
CHJ-1800: 1700mm×160mm×25mm      Max. camber260mm
Hydraulic station is equipped with cooler, the continuous working hydraulic oil temperature is less than 55. The Hydraulic valve are from Rexroth Series, Beijing
Frame is plate welding structure, material is Q235,
When power off, the hot leaf could be dropped to oil tank automatically
The Max. Open height
350mm
The top teeth height
180mm
Separate Siemens PLC control for each quenching machine.

 

 

 

 

 

 

 

 

3. Tempering furnace

Main technical parameter

Hearth Dimension
10000×2200×650/350mm
Contour Size
14100×2840×1920mm
Max. length of spring
2100mm
Max. thickness of spring
30mm
Max. working temperature
≤700℃
Tolerance of temperature control
±5℃
Chain moving speed
50220 mm/min
Efficiency
≥2 Ton per hour (1500x90×15 as standard)
Fuel
Natural gas
Fuel consumption
25 Nm3/t
Cooling style
water sprinkling
Q’ty of burner
8 pcs
Q’ty of temperature controller
4 pcs
Paperless recorder for temperature curve
1set of 4 channels
The standard smoke extraction chimney is 10 meters from the opening of exhaust fume.

 

Hits:  UpdateTime:2015-11-03 09:31:33  【Printing】  【Close
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