News

Nov 30,2020

Medium-Frequency Induction Furnace Manufacturer: Principles and Advantages of Medium-Frequency Induction Furnaces

The medium-frequency induction furnace operates on the fundamental principle of electromagnetic induction: it rectifies three-phase power-frequency alternating current into direct current, then converts this direct current into an adjustable medium-frequency current. This medium-frequency current is supplied to a load composed of capacitors and induction coils (which can be connected either in parallel or in series). Inside the induction coil, high-density magnetic flux lines are generated, cutting through the metal material contained within the coil and inducing massive eddy currents in the metal. These eddy currents share some characteristics of the medium-frequency current itself—namely, the free electrons within the metal itself generate heat as they flow through the resistive metal body. To illustrate, imagine placing a metallic cylinder into a medium-frequency alternating current field.

Dec 15,2020

Operating Precautions for Energy-Saving Medium-Frequency Induction Furnaces

The energy-saving medium-frequency induction furnace is a power supply device that converts 50-Hz alternating current into medium frequency (ranging from 300 Hz to over 10,000 Hz). It consists of an inverter, a furnace body, and a furnace-front controller. The heating unit of the energy-saving medium-frequency induction furnace boasts advantages such as compact size, light weight, high efficiency, excellent heat treatment quality, and superior environmental performance. It is rapidly replacing coal-fired furnaces, gas furnaces, oil-fired furnaces, and conventional resistance furnaces. The energy-saving medium-frequency induction furnace represents a new generation of metal heating equipment. Below, we will introduce the operational precautions for this furnace.

Dec 29,2020

Why does a energy-saving medium-frequency induction furnace sometimes experience insufficient power?

Many devices can fail after prolonged operation, and even when functioning normally, they may suddenly encounter problems for one reason or another. So why does an energy-saving medium-frequency induction furnace sometimes suffer from insufficient power under normal operating conditions? Let’s hear the explanation from the manufacturer of energy-saving medium-frequency induction furnaces.

Jan 13,2021

What are the advantages of energy-saving medium-frequency induction furnaces for bar stock processing?

Energy-saving medium-frequency induction furnaces are predominantly used for continuous through-heating of regular round bars, square bars, or other shaped billets—such as those made of steel (diameter ≥ Φ18), stainless steel, copper, and aluminum. These furnaces are primarily designed for the continuous, uniform heating of entire billet materials. Below, we’ll explore the advantages of medium-frequency induction furnaces in bar processing.

Jan 27,2021

How can the melting rate of a medium-frequency induction furnace be improved?

Generally used for manufacturing alloy products, it is often employed in the refining of stainless steel plates. Electroslag furnaces capable of handling several dozen tons are available; medium-frequency induction furnaces, on the other hand, are typically not as large—very few exceed ten tons. Medium-frequency melting furnaces and electroslag remelting furnaces operate at different frequencies; the frequency of a medium-frequency melting furnace is higher than that of a DC furnace. The medium-frequency induction furnace uses this heat to heat and melt metals, thereby achieving the desired melting process. Its main features are as follows:

Feb 12,2021

In the wave of consumption upgrading, how can medium-frequency induction furnaces achieve sustainable development?

In the tide of consumption upgrading, how can medium-frequency induction furnace enterprises break through? Under the new economic normal, the powerful “Matthew effect” in the medium-frequency induction furnace market has become strikingly evident. The market’s survival-of-the-fittest dynamic continues to drive industry restructuring. Today, with the rise of consumer groups born in the 1980s and 1990s, a wave of consumption upgrading is sweeping across the entire industry, proving unstoppable. Against this backdrop, only those enterprises that keep pace with the times and grasp emerging trends can secure their place in the market.

Feb 23,2021

Introduction to the Causes of Abnormal Startup of Medium-Frequency Furnaces

What are the causes of abnormal startup in medium-frequency furnaces? As a manufacturer of medium-frequency induction furnaces, let me walk you through the reasons behind abnormal furnace startups.

Mar 12,2021

How to select furnace lining and charge materials for medium-frequency furnaces?

The lining material used in medium-frequency furnaces should be selected based on the type of steel being smelted or the kind of non-ferrous metal being processed. For example, certain steels are suitable only for melting in alkaline medium-frequency furnaces. When smelting high-manganese steel alloys in acidic medium-frequency furnaces, manganese oxide will combine with silica in the furnace lining to form low-melting-point silicates, leading to rapid deterioration of the lining.

Mar 27,2021

Maintenance and servicing of medium-frequency furnaces are very important.

The medium-frequency furnace needs to be shut down for equipment inspection after one week or half a month, during which all machine performance aspects should be checked to promptly assess the equipment’s condition. Below are the inspections that need to be carried out after one week or half a month. Proper maintenance practices can effectively extend its service life—let’s explore them together.

Apr 12,2021

Do you know the maintenance methods for medium-frequency furnaces?

During maintenance of the medium-frequency furnace, it is essential to shut down the machine every week or every half month to thoroughly inspect all its performance parameters. This allows us to promptly understand the equipment’s condition. The following outlines the specific contents of the medium-frequency furnace inspection and maintenance.