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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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Prevention and Control of Oxidation and Decarburization in Heat Treatment:Protecting Surface Quality via Sealing and Atmosphere Control 2026-02-28 Prevention and Control of Oxidation and Decarburization in Heat Treatment:Protecting Surface Quality via Sealing and Atmosphere Control   At high temperatures, iron on the workpiece surface readily reacts with oxygen inside the furnace to form scale. Carbon may react with oxygen and carbon dioxide and escape, resulting in decarburization.   This reduces workpiece hardness and fatigue strength, and an excessively thick oxide layer also impairs the precision of subsequent machining.   The higher the temperature and the longer the holding time, the greater the risk of oxidation and decarburization. Low-carbon and medium-carbon steels are especially sensitive to this issue.   The core prevention and control technologies focus on dual control of atmosphere and sealing:   Adopt controlled protective atmosphere. Select nitrogen-based atmosphere, endothermic atmosphere, or ammonia-cracked gas according to process requirements.   Monitor carbon potential in real time using carbon-oxygen probes and infrared analyzers to maintain equilibrium with the surface carbon content of the workpiece, preventing decarburization or excessive carburization.   Upgrade the furnace sealing structure. Use graphite rope or silicone rubber gaskets for furnace doors, inspect and replace aged components weekly.   Conduct regular leak detection on dynamic and static sealing points such as fan shafts and thermocouple penetration devices to ensure a slight positive pressure of 20–40 Pa inside the furnace and prevent air ingress.   Optimize the heating schedule. Reduce the process temperature and shorten the high-temperature holding time while meeting performance requirements.   Use closed structures or protective covers during workpiece transfer to minimize exposure to air.
Prevention and Control of Excessive Residual Stress in Heat Treatment: Multi-Process Collaborative Stress Relief 2026-02-28 Prevention and Control of Excessive Residual Stress in Heat Treatment: Multi-Process Collaborative Stress Relief   Excessive residual stress is an important cause of subsequent machining deformation of workpieces and cracking during service. Especially after heat treatment of thick-walled workpieces and complex structural parts, the peak residual stress can exceed 500MPa, which seriously affects the dimensional stability of products. The core causes are uneven temperature gradient during heating and cooling, and inconsistent phase transformation volume change, leading to failure in timely stress relief. The systematic prevention and control solutions include: Adopt a segmented heating process, changing the traditional single-stage heating to the mode of "room temperature → 300℃ (holding for 2h) → target temperature (holding)", so as to reduce the thermal stress caused by temperature gradient. Optimize the tempering process: perform timely tempering within 2h after quenching. The tempering temperature is set according to material characteristics (recommended 550-600℃ for medium carbon steel, 600-650℃ for alloy steel), and the holding time is extended to 4-6h to release residual stress through atomic diffusion. Introduce auxiliary stress relief technologies: adopt vibratory stress relief (vibration frequency 20-100Hz, amplitude 0.1-0.5mm) for high-precision workpieces, or adopt deep cryogenic treatment (holding at -80℃ to -120℃ for 2-4h), so that the residual stress relief rate can be increased to more than 80%.
Corrosion Prevention for Workpieces After Heat Treatment: Construction of a Full-Process Anti-Rust System 2026-02-28 Corrosion Prevention for Workpieces After Heat Treatment: Construction of a Full-Process Anti-Rust System   Surface corrosion of workpieces after heat treatment damages surface integrity, increases subsequent processing costs, and may even result in workpiece scrap in severe cases. Especially under working conditions with humid environments or water-containing cooling media, the corrosion incidence can exceed 30%. The main causes include residual cooling medium, untimely drying of workpieces, excessive humidity in storage environments, and damaged surface oxide films.   The full-process anti-rust solutions are as follows:   Optimize the post-cooling treatment process. Immediately place workpieces into a cleaning tank after cooling, perform ultrasonic cleaning for 15–20 minutes with an alkaline cleaning agent (pH 10–12) to remove impurities such as residual quenching oil and salt bath on the surface, and then thoroughly dry them in a drying oven (holding at 120–150 ℃ for 30 minutes). Implement surface anti-rust treatment and select anti-rust methods according to the storage period: Short-term storage (within 1 month): spray anti-rust oil (oil film thickness ≥ 5 μm); Long-term storage: wrap with vapor-phase anti-rust paper or vacuum packaging, with built-in desiccants to control humidity.   Control the storage and transportation environment. Maintain the humidity of the storage workshop below 50% and the temperature at 15–25 ℃. Use anti-rust pallets for stacking workpieces to avoid direct contact with the ground. Use waterproof and dustproof covers during transportation to prevent erosion by rainwater and dust.
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