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Parameter
Note: The above parameters are for reference only, and the size of the furnace varies according to the diameter and height of the wire disk used by the customer.
The main purpose of spheroidizing annealing is to agglomerate the lamellar or reticular carbide inside the steel material into a ball by heat treatment, so as to improve the cutting performance and processing plasticity of steel, especially for high carbon tool steel and bearing steel.
According to the steel grades and annealing purposes, spheroidizing annealing can be divided into the following kinds: ordinary spheroidizing annealing, periodic spheroidizing annealing and isothermal spheroidizing annealing.
Well type spherical annealing furnace is also called high efficiency electric furnace. It is mainly used for hypereutectoid carbon steel and alloy tool steel (such as steel used for manufacturing cutting tools, measuring tools, molds, bearing steel, etc.).
Its main purpose is to reduce the hardness, improve the machinability, and prepare for later quenching. this process is conducive to plastic processing and cutting, but also to improve mechanical toughness.
Heating Methods
Electric heating
Equipment structure of High Efficiency Electric Furnace
1. Control part The control points of the control part of this equipment are shown in the figure. The digital module, digital instrument, sensor and executive program realize the cooling motor of temperature, circulating fan, cooling fan, process curve, inlet and exhaust valves and circulating fan. Automatic control of cracking furnaces, etc. Remote monitoring of the computer is also possible.
2. The lining part of the lining is made of lightweight high-alumina floating refractory bricks and high-aluminum refractory fiber and precious pearlite.
3, electric heating components Using high-quality high-temperature resistance tape, long service life, reducing maintenance costs.
4. Inner tank The sealed outer tank and the inner tank of the diversion, the inner side of the furnace cover, and the strong circulating fan are all made of heat-resistant steel plate to make corrosion resistance and deformation.
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