Medium Frequency Induction Heating Machine
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  • Low Frequency 250KW Induction Heating System

  • Low Frequency 250KW Induction Heating System

  • Low Frequency 250KW Induction Heating System

  • Low Frequency 250KW Induction Heating System

  • Low Frequency 250KW Induction Heating System

Low Frequency 250KW Induction Heating System

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Power: 250KW

Work Frequency: 0.5-10Khz

Application: Induction Billet heating equipment for forging, induction heating for hardening with transformer, induction brazing for metal parts.

Material: carbon steel, stainless steel, alloy steel, copper, brass, aluminim etc.

Technical information

Product Detail:

1: Good start up performance: IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition.

2: Less indterface to power grid: Less harmonic current and high power factor, Power factoer remaining 0.95 above during machine running.

3: Low energy consumption: in series resonant circuit, voltage at inductor high and current low so energy loss is very low ;Soft switch technology applied then switch loss is very low.

4: Water cooled by heat exchanger: Using distilled water as circulating water to avoid sediment and clog of hose.

5: Good reliability: IGBT is a self turn-off transistor that ensures incersion with suvvess and takes protection instantly; IGBT used form Infineon world-renowned manufacturer.

6: High conversion efficiency more than 97.5%: IGBT(Insulated Gate Bipolar Transistor)inversion technology.

7: Energy saving up to 15%-30% compared with SCR technology induction machine: LC series resonance circuit and voltage feedback design, low energy comsumption.

8: Cooper &stainless steel fasteners and radiator, better cooling and anti-electrolysis.

9: Good reliability, prefect protection system, reliable components, soft switch technology.

10: Customized local input power, 400V+/-10% 50Hz or 600V 60 Hz.

Technical Information

MFP100D2160D2250D2350D2500D2600D2750D21000D2
Rated output power100KW160KW250KW350KW500KW600KW750KW1000KW
Power capacity140KVA230KVA340KVA450KVA610KVA750KVA930KVA1250KVA
Input current150A240A375A525A750A1000A1125A1500A
Frequency range0.5-10Khz0.5-10Khz0.5-10Khz0.5-8Khz0.5-8Khz0.5-6Khz0.5-6Khz0.5-4Khz
Input power380V/50 Hz 3 phase 4 line (1 neutral line)
Input cooling water pressureAbove 0.1Mpa

Feature

1: For billet full preheating or local induction heating before hot forging or forming, diameter range wide up to 200mm.

2: Pneumatic pusher, chain delivery system, pick up system three channel and Infrared thermometer system are available.

3: Well designed winding process and high quality copper tube brings result of high efficiency and energy saging.

4: Quick change connection enables replacement heating furnace conveniently.

5: PLC to realize the automatic, save labor and improve the production.

Induction heating Application and Industry

Induction heating is widely used on automotive industry, oil and gas industry, fasteners manufacture, tube and pipe heating, ship building industry, package sealing industry, wire and cable heating, spring making.....Duolin is keep exploring the wider induction heating industry

 

1. Billet hot forging Plant, full heating and local heating, diameter 8--150 mm.

2. Heat treatment plant, for gear, pin shaft, automotive parts deeper layer hardening.

3. For copper tube, saw blade machine tool brazing, pipe heating for bending and coating.

4. Induction heating for shrink fitting, annealing, normalizing.

Technical Advantage

1. Research, design and produced under ISO 9001: 2015 by Duolin team, quality and delivery time under control.

2. Machine cabinet sealing, protect the induction heating equipement under complex working environment.

3. Door switch design for safety and daily maintain.

4. Less interference to the power grid, do not need compensation capacitor: High power factor-more than 0.95.

5. Induction heating euipment start under any condition 100%.

6. DSP and HMI technology, display the machine work data and indicate the fault output.

7. 0-10v or 4-20ma signal offered for automatic production line.

8. Intelligent control system, PLC control, connect with factory MES system site management, provide base for modern management of enterprises.

Why Choose us?

1. More than 30 years of experience in induction heating industry.

2. Free test for choosing the inductin heating machine model before make decision.

3. Induction heating system design research develop and maintain by the Duolin Engineer team, lifetime offer spare parts and maintain.

4. Test the machine as customer heating requirements and aging hours to guarantee the good quality.

5. Offer installation manual and troubleshooting guide.

6. Use famous brand components Infineon Omron Schneider to ensure quality of material.

FAQ

1. Which countries your products are exported to?

More than 56 countries installed more than 3000 set machine, agent in 10 countries

2. What is your advantage?

International trade since 2009, manufacture induction heating machine since 1994, much experience in induction heating. All the products are research, design and develop by the Duolin engineer team, electric engineer, mechanical engineer, coil design engineer, application engineer..

3. How to install your machine?

Offer customer pictures, videos and document for installation.Engineer are available if customer need help to install in the factory

4. Which port for export?


We can send machine to any port in China, but normally Shenzhen, Shanghai, Ningbo, Guangzhou, we will arrange things under customer instruction.


5. How about the delivery time and stock?


We have machine in stock for HFP-20 and SSF model, need about one week for coil making, test the machine and package.

For medium frequency big power machine, it is the customized model, production time is around 1 month

6. What is your nature of your company: Dealer or factory?

DUOLIN is an old brand for induction heating equipment in China.We have own factory, bought the land and built the factory, not rent. 77 employees, it is large-scale company in chinese induction heating machine factory.

 

Duolin as reliable business partner for induction heating system with 30 years of experience in induction heating industries, serve for more than 3000 thousand chinese and foreign companies, established stable relation with customers, our induction heating engineer team will stand and think together with customers to complish the professional induction heating method, keep going on induction heating skill.

FAQ

What is your nature of your company: Dealer or factory?

DUOLIN is an old brand for induction heating equipment in China. We have own factory,bought the land and built the factory, not rent. 79 employees, it is large-scale company in chinese induction heating machine factory.

How about the delivery time and stock?

We have machine in stock for HFP-20 and SSF model, need about one week for coil making, test the machine and package.

For medium frequency big power machine, it is the customized model, production time is around 1 month.

Which port for export?

We can send machine to any port in China, but normally Shenzhen, Shanghai, Ningbo, Guangzhou, we will arrange things under customer instruction. 

How to install your machine?

Offer customer pictures, videos and document for installation. Engineer are available if customer need help to install in the factory.

What is your advantage?

International trade since 2009, manufacture induction heating machine since 1996, much experience in induction heating. All the products are research, design and develop by the Duolin engineer team, electric engineer, mechanical engineer, coil design engineer, application engineer..

Which countries your products are exported to?

More than 56 countries installed more than 3000 set machine, agent in 10 countries.

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Contact Us

+86 28 8393 0607

+86 158 8242 2821

112th Hancheng Road Xindu Industrial Zone Chengdu China

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