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China Hubei CAILONEN Intelligent Technology Co., Ltd
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Hubei CAILONEN Intelligent Technology Co., Ltd
Hubei Cailonen Intelligent Technology Co., LTD. (formerly Wuhan Electric furnaceFactory) is the designated professional, design and research of the Ministry of Machinery Industry Development, production and sales of industrial electric furnaces large-scale state-owned restructuring enterprises Industry, is the China Heat Treatment Association, Hubei Casting Association, WuHan forging industry association governing unit. Since the restructuring of the company, it has rapidly grown into a Chinese high-end heat treatment manufacturing enterprise with strong research and development strength, complete design software, advanced processing technology and complete production equipment, with an annual output of 500 sets of large-scale standard heat treatment equipment and 30 sets of non-standard production lines. Many years of experience in the industry, in cooperation with a number of well-known universities in China, the existing professional team R & D is committed to providing customers with professional solutions. The main products are: Intelligent tempering production line, new energy lithium battery anode material granulation pre-carbonization production line, new energy vehicle lightweight thermoforming production line, new energy ling production line, all-fiber electric heating trolley furnace, all-fiber gas heat treatment (forging) trolley furnace, large variable capacity trolley furnace, protective atmosphere box tempering production line, hanging cylinder liner tempering production line, microcomputer controlled carburizing/nitriding furnace Vacuum furnace, well furnace, mesh furnace, roller sintering furnace, aluminum alloy quenching (solution, aging) furnace, all hydrogen hood bright annealing furnace, ADI salt isothermal quenching production line, rotary kiln baking furnace, medium frequency furnace, high frequency furnace, induction melting furnace, induction hardening production line, and other standard and non-standard heat treatment equipment. According to the requirements of users, we can provide a full set of technology and services such as product heat treatment process plan formulation, heat treatment workshop design, heat treatment equipment selection and design and manufacturing, installation and commissioning, production operation, after-sales maintenance, etc., to ensure the safety and reliability of customers before and after using products. Products involved in aerospace, shipbuilding, iron and steel, metallurgy, chemical industry, ceramics, automobile, casting, forging, sanitary ware, mining....... And other fields. Solutions can be developed according to different application scenarios and requirements.
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Pusher Plate Furnace 2025-10-16 Pusher Plate Furnace ※ Equipment Application Suitable for processes such as dehydration, drying, degreasing and pre-sintering of powder materials, electronic ceramics, smart wearable ceramics, etc. ※ Equipment Features 1. Temperature Stability and Uniformity During the sintering process, temperature stability and uniformity are crucial to the quality of the final product. According to the provided information, some sintering equipment adopts a unique control method and reasonable power distribution to ensure that temperature stability and uniformity reach an ideal state. This design can greatly improve the sintering quality, as uniform temperature distribution helps reduce internal stress of the product and enhance the density and mechanical properties of the material. 2. High Efficiency and Long Service Life Based on the product degreasing process and the characteristics of the heating element itself, equal-diameter resistance wire rods are used for upper and lower heating. Imported Kanthal resistance wires are adopted, and the resistance wires are sheathed with corundum-mullite protective tubes, which can separate the furnace chamber from the heating elements and effectively extend the service life of the heating elements. 3. Energy Conservation and Environmental Protection Modern sintering equipment pays more and more attention to energy conservation and environmental protection. For example, some equipment uses lightweight thermal insulation materials with high thermal resistance and low heat storage, as well as refractory fibers or refractory bricks. These materials can accelerate the heating and cooling rates while maintaining good thermal insulation performance, thus reducing energy consumption. In addition, advanced control systems also help realize scientific management and further improve energy utilization efficiency. 4. Safety and Usability Safety is a basic requirement for any industrial equipment. Modern sintering equipment is usually equipped with modern safety functions, such as power-off protection, over-temperature sound and light alarm, and emergency braking system, to ensure the safety of operators and the equipment. At the same time, the design of the equipment also takes usability into account. For example, the simplified/traditional Chinese MMI operation interface and artificial intelligence software control allow users to operate and monitor the equipment conveniently. ※ Design and Manufacturing Certifications All indicators are designed and manufactured in accordance with the national standards for industrial furnaces. Conduct performance testing on all components, issue qualification reports (supporting on-site pre-acceptance by customers). Equipment export complies with various international standards for export. Technical Parameters Serial No. Equipment Model GTB-*** 1 Maximum Temperature 1000℃ 2 Temperature Control Precision ±1℃, controlled by imported single-loop intelligent regulator 3 Temperature Control Points 9 points 4 Main Pusher Hydraulic cylinder pushing 5 Pushing Weight ≤6T 6 Main Pushing Speed 260-600mm/h, continuously adjustable 7 Furnace Chamber Height 310mm 8 Furnace Chamber Length 15000mm 9 Pusher Plate Size 270x270x40mm (W x L x H) 10 Pusher Plate Material Corundum-mullite 11 Maximum Heating Power Approximately 210Kw 12 Waste Gas Discharge Treatment System Multiple sets of chimneys are set according to process characteristics for discharging organic substances and adjusting furnace pressure; multiple sets of chimneys are set in the cooling section for auxiliary cooling. Forced air inlets are designed in the entire section to facilitate degreasing.   Non-standard customization is available according to customers' process requirements.
The Transformation of Steel During Cooling 2025-10-13 The Transformation of Steel During Cooling                Cooling is an indispensable step in the heat treatment process.         After a steel part is heated and held at a certain temperature to obtain austenite with fine and uniform grains, cooling is then carried out.   I. Transformation Products and Transformation Process of Supercooled Austenite   Supercooled Austenite: Austenite that remains untransformed (in terms of structure) below the critical point A₁. At this point, supercooled austenite does not transform immediately; instead, it is in a thermodynamically unstable state (as an unstable structure) and will eventually undergo transformation. Depending on the degree of supercooling (i.e., the different transformation temperatures), supercooled austenite undergoes three types of transformation: Pearlite transformation Bainite transformation Martensite transformation     1. Pearlite Transformation   Transformation Condition: Supercooled austenite transforms into a pearlite-type structure within the temperature range of A₁ → 550°C. Transformation Product: A mechanical mixture structure consisting of alternating lamellae of ferrite and cementite. Pearlite is one of the five most fundamental structures in iron-carbon alloys. It is denoted by the letter "P" (from "Pearlite"). The name originates from its pearl-like luster.         Classification: Based on the Thickness of Lamellae   Pearlite (P)   Formation temperature: A₁ ~ 650°C; it is a type of pearlite with relatively thick lamellae. Under an optical microscope, the lamellar structure of ferrite and cementite can be clearly distinguished, with a lamellar spacing of approximately 150 ~ 450 nm.   Sorbite (S)   Formation temperature: 650 ~ 600°C; it has relatively thin lamellae, with a thickness of approximately 80 ~ 150 nm. The lamellae are difficult to distinguish under an optical microscope and can only be identified as the lamellar structure of ferrite and cementite under a high-magnification optical microscope (at 800 ~ 1500× magnification).   Troostite (T)   Formation temperature: 600 ~ 550°C; it has extremely thin lamellae, with a thickness of approximately 30 ~ 80 nm. The lamellar characteristics cannot be distinguished at all under an optical microscope and can only be identified under an electron microscope. Austenitizing temperature and austenite grain size before transformation only affect the size of pearlite colonies, but have no impact on the lamellar spacing. From pearlite (P) to sorbite (S) and then to troostite (T), the lower the temperature, the smaller the lamellar spacing, and the higher the strength and hardness. They only differ in lamellar fineness and properties, with no essential distinction. Similar to the austenitization process during heating, the pearlite transformation process during cooling is also a process of nucleation and growth in the solid state. Similarly, due to the irregular atomic arrangement at grain boundaries, along with more defects such as vacancies and dislocations, atomic rearrangement easily occurs, so cementite first nucleates at the austenite grain boundaries. After cementite nucleates, it begins to grow. During the growth process, the carbon content of the austenite on both sides of the cementite decreases, which promotes the nucleation of ferrite. The two nucleate and grow alternately, forming multiple lamellar structures composed of ferrite and Fe₃C. At the same time, nucleation and growth also start simultaneously in other parts of the grain boundaries, forming multiple pearlite colonies with different orientations. These pearlite colonies grow and merge into a continuous mass, and finally, the entire structure is transformed into pearlite; thus, the transformation of supercooled austenite to pearlite is completed. Since iron and carbon atoms diffuse sufficiently due to the high temperature during the transformation of austenite to pearlite, this process is called a diffusion-type transformation.   2. Bainite (B) Transformation   Transformation Condition: Supercooled austenite transforms within the temperature range of 550°C ~ Ms. For eutectoid steel, the Ms temperature is 230°C. Transformation Product: A two-phase mechanical mixture of Fe₃C (cementite) and carbon-supersaturated ferrite, denoted by the letter "B". In 1930, E.S. Davenport and E.C. Bain first observed the metallographic structure of the transformation product in steel after medium-temperature isothermal transformation. Later, to honor Bain's contributions, this structure was named "Bainite". Based on the differences in their microstructural morphologies, bainite can be classified into: Upper Bainite (B_u) Lower Bainite (B_l)   Upper Bainite (B₍upper₎ / Bᵤ)   Morphology: Feather-like.   Discontinuous rod-shaped cementite (Fe₃C) is distributed between parallel ferrite laths that grow from the austenite grain boundaries into the grain interior. Lower Bainite (B₍lower₎ / Bₗ)   Morphology: Bamboo leaf-like. Fine flaky carbides (Fe₃C) are distributed on the ferrite needles. Performance Characteristics of Lower Bainite: The carbides in lower bainite are fine and uniformly distributed. In addition to high strength and hardness, it also has good plasticity and toughness, making it a commonly used structure in industrial production. Obtaining the lower bainite structure is one of the methods to strengthen steel materials. Under the condition of the same hardness, the wear resistance of the lower bainite structure is significantly better than that of martensite, which can reach 1 to 3 times that of martensite. Therefore, obtaining lower bainite as the matrix structure in iron and steel materials is a goal pursued by researchers and engineers.     1) Formation Process of Upper Bainite   When the transformation temperature is relatively high (550 ~ 350°C), ferrite nuclei are preferentially formed in the low-carbon regions of austenite. These nuclei then grow parallelly from the austenite grain boundaries into the grain interior. Meanwhile, as the ferrite grows, the excess carbon atoms diffuse into the surrounding austenite. Finally, short rod-like or small flaky Fe₃C (cementite) precipitates between the ferrite laths, distributed discontinuously among the parallel and dense ferrite laths, thereby forming feather-like upper bainite.   2) Formation Process of Lower Bainite   Ferrite nuclei first form at the grain boundaries of austenite, then grow in a needle-like manner along specific crystal planes. Due to the relatively low transformation temperature of lower bainite, the excess carbon atoms cannot diffuse over long distances; instead, they can only precipitate as extremely fine carbides (Fe₃C) along specific crystal planes within the ferrite. This process results in the formation of bamboo leaf-like lower bainite.   3. Martensite (M) Transformation   Transformation Condition: The temperature range is below the Ms point.   Supercooled austenite cannot transform at a constant temperature in this temperature range; instead, it undergoes transformation during continuous cooling with a very large degree of supercooling. Transformation Product: A supersaturated interstitial solid solution of carbon in α-Fe (ferrite), denoted by the symbol "M". In the 1890s, martensite was first discovered in a hard mineral by the German metallurgist Adolf Martens (1850-1914). In 1895, the Frenchman F. Osmond named this structure "Martensite" in honor of the German metallurgist A. Martens.     Classification of Martensite   The most common types of martensite are two: lath martensite and acicular martensite.   The type of martensite formed depends on the carbon content in austenite:   When the carbon content is greater than 1.0%, acicular martensite is obtained; When the carbon content is less than 0.2%, lath martensite is obtained; When the carbon content is between 0.2% and 1.0% (0.2% < C% < 1.0%), a mixed structure of the two types is obtained.
High-Pressure Gas Quenching Vacuum Heat Treatment Furnace 2025-10-13 High-Pressure Gas Quenching Vacuum Heat Treatment Furnace ※ Equipment Application: Applied in industries such as heat treatment, machinery manufacturing, and aerospace; Suitable for quenching treatment of materials including tool and die steel, high-speed steel, and stainless steel; Solution treatment of stainless steel, titanium, and titanium alloys; Annealing and tempering treatment of various magnetic materials; Also applicable for vacuum sintering in vacuum brazing machines, etc. ※ Equipment Features: The gas-cooled vacuum furnace consists of a furnace body, heating chamber, cooling device, feeding and discharging mechanism, vacuum system, electrical control system, water cooling system, and gas refilling system.   This is a type of high-pressure gas quenching vacuum furnace. Specifically, it is a single-chamber horizontal internal circulation high-pressure gas quenching vacuum furnace.   The furnace adopts graphite tube heating with hardened graphite felt for heat insulation; alternatively, it can use molybdenum strip heating with a sandwich heat shield or a full-metal heat shield. The forced cooling system employs a high-airflow, high-pressure fan and a large-area copper radiator to achieve excellent cooling effects. Nozzles for high-speed airflow are evenly arranged at 360° around the heating chamber to ensure uniformity of gas quenching. Equipment Advantages: It enables rapid heating and cooling, and can achieve no oxidation, no decarburization, and no carburization. It can remove phosphorus scale from the workpiece surface and also has functions such as degreasing and degassing, thereby achieving a bright and clean surface effect. ※ Design and Manufacturing Certification: All indicators are designed and manufactured in accordance with the national standards for industrial furnaces; Performance testing of all components is conducted, and qualified test reports are issued (on-site pre-acceptance by customers is supported); The equipment meets various international standards for export when exported. Technical Parameters (Maximum Operating Temperature of Common Furnace Pot Materials) Parameter Specification Parameter Specification Model HRC2-*** Rated Temperature 1350℃ Heat Treatment Type Quenching, Annealing, Tempering, Carburizing, Nitriding, Vacuum Brazing, Sintering, Surface Treatment Heat Treatment Pressure Rise Rate 0.67~0.7 (Pa/h) Furnace Chamber Size Customized according to customer requirements Gas Cooling Pressure 6~10 (10^5 Pa) Power Customized according to requirements
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