Hunan Jingtan Automation Equipment Co., LTD.

With the rapid development of the new materials industry, the market's requirements for the purity and mechanical properties of sintered workpieces have been continuously increasing. Traditional sintering equipment is difficult to avoid problems such as high-temperature oxidation and impurity intrusion. Vacuum sintering furnaces, with their closed vacuum heat treatment working mode, have become important production equipment for many new materials enterprises and are widely used in experimental research and development in scientific research institutes as well as industrial batch production scenarios. Hunan Jingtan Automation Equipment Co., LTD., based on its accumulation of thermal equipment technology, iterates equipment design in response to various pain points in actual production. While ensuring the effect of heat treatment, it optimizes the operation logic of the equipment, lowers the usage threshold for on-site personnel, and ADAPTS to the sintering operations of multiple types of materials.   During the actual production process, customers often encounter various difficult problems. Some enterprises have reported that the operating parameters of the equipment are all normal, but the performance of the finished products fluctuates significantly. This kind of phenomenon is often not due to hardware failure, but rather because the loading method and the timing of atmosphere switching do not match the characteristics of the material. If the workpieces are placed too densely, it will hinder the circulation of heat flow inside the furnace, resulting in inconsistent heating of workpieces at different positions. There are still users who confuse the applicable scenarios of vacuum and atmosphere protection processes. For some materials, protective gas needs to be introduced at specific stages. A single vacuum mode throughout the process can lead to processing defects. Many users tend to overlook the key points of switching between process stages.   How can vacuum sintering furnaces in the processing and production of new materials balance product quality and the convenience of on-site operation and maintenance   Compared with ordinary sintering equipment, vacuum sintering furnaces have very prominent comprehensive advantages. The absence of an oxidizing atmosphere inside the furnace can ensure the purity of materials, reduce surface defects of workpieces, and improve the overall qualification rate of finished products. The temperature control system of the equipment responds smoothly and can fully reproduce the preset entire heat treatment process, ensuring that the performance of products from different batches tends to be uniform and reducing the loss caused by batch differences. The overall structure of the equipment fully takes into account the requirements for later maintenance. Key components are easy to disassemble and maintain, and routine maintenance can be completed without complex disassembly. This not only meets the strict production standards of high-end materials but also takes into account the practical needs of on-site operation and maintenance in the factory.   To ensure the long-term stable output of the equipment, both standardized operation and regular maintenance are indispensable. After each sintering operation, the volatile residues inside the furnace should be cleaned up in a timely manner to prevent the accumulation of residues from corroding the insulation and heating components. Operators need to be familiar with the process boundaries of different materials, and should not set temperature and vacuum parameters beyond the range at will to reduce abnormal equipment wear and tear. When abnormal working conditions occur, the manufacturer's technical team can provide remote and on-site technical support to assist in troubleshooting problems. At the same time, they can also assist in debugging process plans based on the new product development needs of customers. Hunan Jingtan Automation Equipment Co., Ltd. combines equipment manufacturing with process services, helping enterprises make good use of vacuum sintering furnaces and facilitating the stable implementation and production of new material projects.

The performance improvement of carbon materials cannot be achieved without high-temperature graphitization treatment processes. The degree of graphitization directly determines the key properties of carbon materials such as electrical conductivity and thermal conductivity. As the core equipment for achieving ultra-high temperature thermal treatment, high-temperature graphitization furnaces are widely used in related industries such as lithium battery anodes, carbon fibers, and graphite materials. Hunan Jingtan Self-... . Hunan Jingtan Automation Equipment Co., Ltd. specializes in the research and development of thermal equipment for carbon materials. It optimizes the furnace body, insulation and temperature control system based on the working conditions of high-temperature processing of carbon materials, taking into account both experimental research and development and large-scale production, helping enterprises achieve reliable modification and processing of materials. Many customers who come into contact with this equipment for the first time will encounter the problem of unstable graphitization degree of the finished product. Even if the equipment reaches the set temperature, the performance of the produced materials will still be uneven. Many people mistakenly believe that as long as the maximum temperature is reached, the processing can be completed, ignoring the synergistic effect of the holding time and the atmosphere environment in the furnace. An unreasonable heating rhythm can also lead to insufficient crystal transformation within the material. Some customers are not aware of the wear and tear patterns of insulation components in high-temperature environments and have long neglected condition checks. As a result, the internal temperature field of the furnace gradually shifts, and the quality of the products produced subsequently will continue to decline.   The core advantages of high-temperature graphitization furnaces lie in the construction of ultra-high-temperature environments and the stability of working conditions. The equipment can create a high-temperature environment that meets the graphitization reaction requirements of carbon materials, and is equipped with high-quality insulation and heat insulation structures to reduce heat loss. The temperature field distribution inside the furnace is uniform, ensuring that the materials inside the furnace can receive consistent heat treatment conditions and guaranteeing that the processing effects of the entire batch of materials tend to be uniform. The equipment control system can fully store multiple sets of process plans. When switching between different types of materials for production, the corresponding process can be directly called up, reducing the workload of repeated debugging. Meanwhile, the equipment supports customized modification to adapt to different material forms. Powder, plates, and various carbon materials can all be adapted for processing. The maintenance and management of equipment is the key to ensuring long-term stable production. Under high-temperature working conditions, graphite-like components will experience normal wear and tear. It is necessary to regularly inspect the status of heat-generating components and insulation felt, and promptly deal with aged and damaged parts. The arrangement of materials during the loading process should be scientific and reasonable to ensure that heat can be fully transferred to each material. Do not blindly pursue the total amount of materials loaded at one time while neglecting the heating conditions. When the product indicators do not meet the standards, first check the entire process curve and inspect the sealing condition of the furnace chamber. Do not blindly increase the temperature parameters. Hunan Jingtan Automation Equipment Co., Ltd. not only delivers high-temperature graphitization furnaces but also provides process guidance services simultaneously to help customers avoid production misunderstandings and ensure the stable processing level of carbon material graphitization.

When dealing with the production mode of multiple varieties and small batches, traditional equipment often has low efficiency due to the cumbersome process switching. The requirements for sintering temperature curves, holding times, and atmosphere conditions of different materials vary significantly. If the equipment does not have flexible process adaptation capabilities, frequent process switching will lead to a large amount of waste of auxiliary time and energy consumption. The vacuum sintering furnace for refined carbon adopts a modular temperature control design, equipped with a programmable controller and a human-machine interface. It can store multiple process heating curves. Operators only need to call the process formula of the corresponding product, and the equipment can automatically execute the entire process of heating, holding, and cooling, significantly reducing the time for production change and adjustment. This "one machine, multiple processes" design enables enterprises to avoid configuring multiple dedicated devices for different products, significantly reducing equipment investment and factory space occupation. The atmosphere switching function of the vacuum sintering furnace is another key to its adaptability to multi-variety production. The equipment can flexibly switch between vacuum and various protective atmospheres, meeting the full process requirements from degassing, degreasing to densification sintering. For materials that require treatment in a reducing atmosphere (such as anti-oxidation sintering of metal powders), hydrogen can be introduced during the sintering process. For materials that need to prevent the volatilization of alloy elements, the partial pressure sintering mode is adopted, and an appropriate amount of inert gas is filled in the high-temperature stage. The equipment adopts resistive heating. The graphite tube heating element has a long service life, good heating effect and is easy to maintain. This "multi-purpose in one furnace" design enables users to cover a wider range of process requirements with lower equipment investment.   The controllable cooling function of the vacuum sintering furnace during the cooling stage further enhances the process flexibility. The high-temperature section of the furnace body is cooled naturally, while the low-temperature section can be cooled at a faster rate by injecting positive pressure inert gas. Users can choose different cooling rates based on the sensitivity of the materials - slow cooling can be used for hard alloys that are prone to hot cracking, while rapid cooling can be adopted for materials such as stainless steel to enhance efficiency. The equipment adopts an internal circulation pure water cooling system and is equipped with a digital flow monitoring system. The modular design of the equipment also facilitates later expansion. Users can increase the furnace size or heating power configuration according to the demand for production capacity growth. Hunan Jingtan Automation Equipment Co., Ltd. is a high-tech enterprise specializing in the research, production and sales of thermal equipment. The company's production equipment is widely used in dozens of processing and manufacturing industries such as aerospace, electronics, transportation, machinery, metallurgy, hard alloys, refractory metals, special ceramics, carbon-carbon composite materials, semiconductor materials and solar cells. The company can design and manufacture non-standard sintering equipment according to the requirements of users and provide corresponding process technical support for customers. With the comprehensive technical advantages of "pre-stored multi-process curves, flexible atmosphere switching, and modular design", the vacuum sintering furnace of Jingcarbon demonstrates remarkable economic efficiency and adaptability under the production mode of multiple varieties and small batches.

The vacuum sintering furnace is a specialized sintering equipment developed by Hunan Jingtan Automation Equipment Co., Ltd. for fields such as cemented carbide, powder metallurgy, and special ceramics. During the sintering process of cemented carbide (WC-Co), the stability of the material's density and mechanical properties directly determines its performance in downstream applications. If the vacuum degree of a traditional sintering furnace is insufficient or the temperature field is uneven, it will cause residual pores or abnormal grain growth inside the material. The vacuum sintering furnace for refined carbon operates in a high vacuum environment. The higher the vacuum degree, the fewer chemical reactions occur in the material, which has a significant promoting effect on the shrinkage in the later stage of sintering, enabling the sintered parts to achieve higher density and more uniform microstructure. The equipment adopts an advanced furnace design concept and high-quality insulation materials to ensure the uniformity of furnace temperature under vacuum conditions. The temperature difference in the constant temperature zone can be controlled within ±7℃, ensuring that products at different positions in the same furnace batch achieve consistent sintering effects. The degreasing control of vacuum sintering furnaces is a key link to ensure product quality. Hard alloy billet contains forming agents such as paraffin and PEG. If these organic substances are not effectively removed before sintering, they will rapidly vaporize at high temperatures, generating high-pressure gas, which can cause the billet to crack or the surface to bubble. The vacuum sintering furnace for refined carbon adopts a combined process of "slow heating + high vacuum" in the low-temperature section, which enables the forming agent to decompose slowly and be fully discharged, avoiding damage to the green body caused by excessive degreasing. The equipment is equipped with a decoking system to enhance the decoking effect, making the atmosphere inside the furnace more stable and the product quality easier to control. At the same time, it extends the service life of the carbon felt and heating materials. Domestic and international brand temperature measurement elements are used inside the furnace to ensure the accuracy of temperature measurement.   The heating system of the vacuum sintering furnace adopts square cage-type graphite rods and rod combination heating, which is convenient for maintenance and suitable for both square and circular boat dishes. The maximum temperature of the equipment can reach over 2200℃, and it is compatible with various carbonization and sintering processes. The furnace body adopts a front door or double front and rear door structure, which is convenient for loading and unloading materials. The front and rear furnace doors can be opened, making operation convenient. The product performance is good and the quality is stable. It is a widely used sintering equipment in the hard alloy industry. The equipment can be pre-evacuated and filled with various inert gases, featuring high atmosphere exchange efficiency and meeting the full process requirements from degassing, degreasing to densification and sintering. The vacuum sintering furnace for refined carbon adopts a digital intelligent temperature control system, which automatically and precisely completes the temperature measurement and control process. The system can heat up according to the given heating curve and can store multiple process heating curves. The comprehensive PLC automatic control and protection system for water, electricity and gas achieves safety interlocking and features multiple audible and visual alarm functions such as over-temperature, sensor open-circuit, water pressure and furnace overpressure. The vacuum sintering furnace manufacturing center has established a 3D development platform for vacuum sintering furnaces, dedicated to providing customers with energy-saving, efficient, intelligent and safe professional vacuum sintering equipment. With the comprehensive advantages of "high vacuum environment, uniform temperature field, and integrated degreasing and sintering", the vacuum sintering furnace for fine carbon has become the main sintering equipment in the powder metallurgy and hard alloy industries.