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The heat generating device of the heating mesh belt furnace usually adopts a radiant tube, which consists of a metal outer tube and a built-in squirrel cage structure.Analysis of vacuum heat treatment process for wind power products The composition of the heating element is shown in Figure 1. Depending on the operating temperature, the material used in the radiant tube is also different.Vacuum Hardening Stainless Steel The metal outer tube of the radiant tube of the quenching furnace is made of SUS310S, and the maximum operating temperature can reach 1200°C. Tempering furnace The metal outer tube of the radiant tube is made of SUS304, and the maximum operating temperature can reach 800°C.Sintering of B4C by Pressureless Liquid Phase Sintering The heating element with built-in squirrel-cage structure is composed of metal electric heating elements and corundum insulating ceramic sheets. Metal heating elements are also It is called resistance wire, and its commonly used materials are nickel-chromium alloy wire and iron-chromium-aluminum alloy wire.Vacuum Heat Treatment of Fasteners

1. Ammonia is a poisonous gas with a stimulating odor, which is harmful to human eyes and respiratory organs. Leakage should be prevented, especiallyVacuum Heat Treatment of Fasteners  Prevent the human body from contacting with liquid ammonia, otherwise it will cause skin burns. 2. Frequently check and maintain the airtightness of the gas system of the device. The leakage of ammonia gas has an irritating odor, while the decomposition gas is colorless and odorless, but it is flammable and explosive gas. Therefore, in order to prevent leakage and avoid accidents, unqualified gas and waste gas must be vented to the outside.Vacuum sintering of transparent ceramics 3. Strict control of temperature is an essential condition for the full decomposition of ammonia, so it is necessary to pay attention to whether the temperature controller is working normally. If the temperature controller fails or the thermocouple is not in good contact, it will easily cause the inconsistency between the indicated temperature and the actual temperature, and even burn out if the temperature is too highVacuum sintered powder metallurgy parts Once the decomposition furnace and catalyst are found, the power supply should be cut off immediately for maintenance. The calciner must not exceed 850°C during the heating process. 4. Do not touch parts such as high-temperature surfaces with hands, arms and body.316L stainless steel vacuum brazing process

High-temperature furnace box furnace is a common high-temperature heating equipment. Its structural features mainly include furnace body, heating element, temperature control system and furnace door. The following will explain these aspects in detail, and expand the description in conjunction with the title center.Vacuum Heat Treatment of Fasteners  The furnace body is the main part of the high-temperature box-type furnace, which is usually welded by steel plates and has high strength and stability. The interior of the furnace body is usually lined with high temperature resistant materials to ensure the high temperature resistance of the furnace body. In addition, the furnace body is also equipped with vents and exhaust ports to facilitate the circulation and discharge of gas in the furnace.Vacuum sintering of transparent ceramics The heating element is the core part of the high temperature box furnace, usually made of materials such as resistance wire or electric heating rod. The number and layout of heating elements are determined according to the size of the furnace body and heating requirements. Usually, multi-point heating is used to ensure the uniformity and stability of the temperature in the furnace.Vacuum sintered powder metallurgy parts Third, the temperature control system is an important part of the high-temperature box-type furnace, and its main function is to monitor and control the temperature in the furnace in real time. The temperature control system is usually composed of temperature sensors, controllers and actuators, which can realize functions such as automatic temperature control and timing temperature control to meet different heating requirements.316L stainless steel vacuum brazing process

High-temperature furnace box furnace is a common high-temperature heating equipment. Its structural features mainly include furnace body, heating element, temperature control system and furnace door. The following will explain these aspects in detail, and expand the description in conjunction with the title center.Vacuum Heat Treatment of Fasteners  The furnace body is the main part of the high-temperature box-type furnace, which is usually welded by steel plates and has high strength and stability. The interior of the furnace body is usually lined with high temperature resistant materials to ensure the high temperature resistance of the furnace body. In addition, the furnace body is also equipped with vents and exhaust ports to facilitate the circulation and discharge of gas in the furnace.Vacuum sintering of transparent ceramics The heating element is the core part of the high temperature box furnace, usually made of materials such as resistance wire or electric heating rod. The number and layout of heating elements are determined according to the size of the furnace body and heating requirements. Usually, multi-point heating is used to ensure the uniformity and stability of the temperature in the furnace.Vacuum sintered powder metallurgy parts Third, the temperature control system is an important part of the high-temperature box-type furnace, and its main function is to monitor and control the temperature in the furnace in real time. The temperature control system is usually composed of temperature sensors, controllers and actuators, which can realize functions such as automatic temperature control and timing temperature control to meet different heating requirements.316L stainless steel vacuum brazing process

It belongs to the energy-saving oven for large-scale industrial production. It is mainly used for drying transformer cores and coils, drying electrical cabinets and parts for painting, rare earth drying, casting sand mold drying, and motor drying. The trolley-type feeding and discharging method is adopted, which is suitable for automatic feeding and discharging of large quantities of workpieces.Vacuum Heat Treatment of Fasteners  In the production process of dry-type transformers, the core preheating, coil pre-drying, coil varnish drying, resin curing and other processes are very critical, which directly affect the quality of the transformer, so it has a great impact on the temperature uniformity of the curing furnace and the reliability of the control system. Very demanding.Vacuum sintering of transparent ceramics YBDX series special curing furnace for transformers has the advantages of good temperature uniformity, various flexible air supply methods, mature and reliable control system, beautiful appearance, etc., and has been widely used in dry-type transformer manufacturers across the country.Vacuum sintered powder metallurgy parts Adopt intelligent program temperature controller to control temperature, PID parameter self-tuning, solid-state relay power adjustment, non-contact continuous adjustment, automatically complete the whole process of drying process, can meet the requirements of any curing curve, easy to operate, reliable performance; selected domestic External electrical control components make the reliability of the electric control part of the curing furnace optimal.316L stainless steel vacuum brazing process

The performance of metal materials is generally divided into two categories: process performance and service performance. The so-called process performance refers to the performance of metal materials under the specified cold and hot processing conditions during the processing and manufacturing process of mechanical parts. Vacuum Oil Quenching for steel hardening heat treatmentThe quality of the metal material process performance determines its adaptability to processing and forming in the manufacturing process. Due to different processing conditions, Vacuum sintered powder metallurgy partsthe required process performance is also different, such as casting performance, weldability, forgeability, heat treatment performance, machinability, etc. The so-called service performance refers to the performance of metal materials under the conditions of use of mechanical parts, including mechanical properties, physical properties, chemical properties, etc. The performance of metal materials determines its scope of use and service life.Vacuum heat treatment of aluminum alloy die castings In the machinery manufacturing industry, general mechanical parts are used in normal temperature, normal pressure and non-strongly corrosive media, and each mechanical part will bear different loads during use. The ability of metal materials to resist damage under load is called mechanical properties (or called mechanical properties).316L stainless steel vacuum brazing process