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Heat-treatment furnace  
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Vacuum. Annealing Furnaces
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Vacuum. Annealing  Furnaces

 

Application

1.Annealing of high-speed steel, high-alloy tool steel and high-alloy die steel.
2.Annealing of magnetic material.
3.Bright annealing and solution treatment of non-ferrous metal and stainless steel.
4.Vacuum sintering of magnetic material.


There are two kinds of horizontal annealing furnace-graphite flue and metal flue. Graphite flue is often chosen as the material with graphite rod as the heating material and heat screen is generally made of carbon felt and pottery felt. If parts which are to be processed are special materials such as titanium alloy and soft magnetic alloy, metal flue is chosen as the material with molybdenum as the heating material and heat screen is made of molybdenum and stainless steel.  Electrical control system features with high automation with reliability and stability. Temperature is controlled by smart temperature controller and the operation is controlled by program controller.

Characteristics

1.Under the temperature of 800,  circulative fan produces the rapid and uniform heating in low-temperature zone.

2.The structure of heating chamber is arranged scientifically, therefore it is heated uniformly and thermal losses are getting decreased with energy conservation.

3.The new-type pottery felt which is used as the heat preservation material could endure high temperature and  it increases the service life of the heat screen.

4.The system is controlled by PLC and touch screen shows the working condition. It is easy to choose the manual operation or the automatic operation. The alarm system responds automatically if the numerical value of temperature, water pressure or air pressure is found greater than setting value.

 

Main specifications

Model
VWFT-100
VWFT-200
VWFT-300
VWFT-500
VWFT-800

Effective working size

500×300×300
(mm)
600×400×400
(mm)
750×500×500
(mm)
900×600×600
(mm)
1200×800×800
(mm)

Load

100kg
200kg
300kg
500kg
800kg

Heating
power

60Kw
80Kw
120Kw
150Kw
210Kw

Maximum
temperature

1300℃
1300℃
1300℃
1300℃
1300℃

Temperature
 uniformity

±5℃
±5℃
±5℃
±5℃
±5℃

Temperature
 uniformity

4×10-1or
6.7×10-3
4×10-1or
6.7×10-3
4×10-1or
6.7×10-3
4×10-1or
6.7×10-3
4×10-1or
6.7×10-3

Temperature
 uniformity

0.67Pa/h
0.67Pa/h
0.67Pa/h
0.67Pa/h
0.67Pa/h

Temperature
 uniformity

≤2bar
≤2bar
≤2bar
≤2bar
≤2bar



copyright©2008 all rights reserved Sichuan Nanguang Vacuum Technology co., Ltd.
Addres:Llong Tan Industrial Zone,Section 2,east 3rd ring road,Chengdu,China Post:610051
TEL:+86-28-84216339 FAX:+86-28-84216329 E-mail:svc@svc-vacuum.com