Integrated Induction Heating for Hot Forging Furnace

Duolin Brand Induction Heating Machine Factory

Duolin is a famous brand of Induction Heating Machine in China since 1996,boss build the factory buildings in 2002,start internal trade since 2009,have more than 20 years of experience in Induction Heating.Induction Heating Equipment Used IGBT series resonance technology,save energy.power from 7-1500KW,frequency 0.5-250Khz,widely use for hot forging,coating,brazing,hardening and heat treatment application.

Duolin engineer Team will offer customer most suitable induction heating solution!

Technical information
 

Induction forging refers to use an induction heater to pre-heat metals before forging.  Typically metals are heated to between 1,100 and 1,200 °C to increase their malleability and aid flow in the forging die. Induction produces less oxidation, easy to control heating temperature and time, heat rapidly, ensure good quality of forging work piece, protect tool of forging machine. 

Induction brazing is a metal-joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal

Induction bending uses inductors to locally heat pipe or tube. While heating, the accurate drive system will pushing the pipe or tube in a desired radius. The hot section will be formed at the set radius. The bent part is then cooled by water. This application is widely use in oil and gas industry.


Bending range is diameter 159-762 mm, thickness 5-35 mm

Hardening induction heating

DUOLIN Induction hardening is the most common form of heat treatment. It is widely used on shaft, gear, pipe and other part in automotive industry. Induction power is applied to the surface and causes the material to heat to a required depth then cool down rapidly by water, oil or other cooling medium.

Feature
 
 
•   Independent Research,Design,Produce and Development by Duolin

•   Newest IGBT inversion technology,LC series resonance

•   Different Model use same circuit board,do not need stock many spare parts

•   Passed EMC and Low voltage test for CE certificate

•   Produce by standard ISO9001-2008

•   Complete Support system,furnace,feeding and delivery system,water cooling system,infrared  thermometer

•   Special PLC program,easy to put into production line and realize automation

•   Customized local input power,400V+/-10% 50Hz or 600V 60 Hz
Chengdu Duolin electric Co.,ltd


Duolin induction aim to provide clients approach to improve the working efficiency with less cost,all of us treat it as a green and environmental career. We supply induction heater with advanced technology for engineering, manufacturing and service, used in the melting iron ore ,heat treating,brazing,hardening,normalizing,annealing,preheating,welding,tube ,pipe bending and other industry related with metal.

The experience more than 20 years make clients from home and abroad to  choose us, and speak highly. Duolin team working can bring you valuable and reliable solution to your heating process. Making individual induction coil, choosing different frequency equipment to maximize your profit.
Why choose us?

We are industry expert with more than 20 years experience, there are may reason to choose Duolin Induction heating, below are highlights

1:DUOLIN one team work,you will benefit.

2:DUOLIN  can design the most suitable equipment depending on your workpiece.

3DUOLIN founded since 1994 and have the mature technology.

4:DUOLIN never stop developing, and already obtained 16 national patents
.
5:DUOLIN focus on the quality and always believe: QUILTY IS OUR CULTURE.

6:DUOLIN equipped with complete production machine and production sites.


Forging induction heating

Induction hot forging and forming  is a process to heat metal material to 1000-1250 C degree in general.Induction forging furnace widely used in metal and foundry sector.The forging heating material are aluminum, carbon steel, brass ,copper, different material heat to different temperature.

DUOLIN induction forging separated into two types:Full forging and Partial forging.

Full forging is carried out in the induction furnace.Continuous feed relies on feeding system which pushes the billets through the heating tunnel coils.After hot forging, using localized compressive forces to shaping the billets.

Partial forging is heating the end of a bar to allow the material to be upset into a head, I.E.A bolt.The cold raw material can be heated one piece at a time or on a continuous feed basis.

Advantage:

1:Max carbon steel production is 3 T/hour
2:Diameter above 140mm or length above 400 mm workpiece need to make special heating furnace
3:Heat uniform, tempreture  moniter,
4:Heat rapidly, less oxide layer
Ultrasonic Frequency
High Frequency Heating Equipment