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Monday, October 30, 2023
Mesh belt furnace process design The mesh belt furnace is mainly composed of heating furnace body, mesh belt transmission device, feeding and discharging device, exhaust gas treatment device, automatic control system and other parts. The heating furnace body is the core part of the mesh belt furnace, which is mainly composed of the furnace body, heater, combustion chamber, fuel supply system, fan, exhaust gas treatment device, chimney and other parts.Enhanced Steel Performance During Vacuum Carburizing of Gears The heater can use various forms such as electric heating, gas heating, oil and gas mixed combustion, etc. According to different heating methods, the combustion chamber and fuel supply system are also different. Exhaust gas treatment devices can be divided into two methods: dry treatment and wet treatment. According to different exhaust gas treatment methods, the height and position of the chimney also need to be adjusted accordingly.Practical Technology For Low Pressure Vacuum Carburizing Heat Treatment In the mesh belt furnace, materials are sent into the furnace through the mesh belt conveyor and heat treated in a high-temperature atmosphere. The heater inside the furnace body heats the air or fuel and sends it into the combustion chamber, where it is mixed with the fuel for combustion.Production Process Of Vacuum Brazed Diamond Saw Blade After the high-temperature gas generated by combustion is heated up layer by layer by the heater, it enters the interior of the furnace body, contacts the material to be processed and transfers heat, heating it to the required temperature until the heat treatment is completed. The heat-treated materials are sent out of the furnace through the discharging device and the mesh belt conveyor.Heat treatment process for wide and thick plates Posted at 01:51 AM
Friday, October 27, 2023
Energy saving and emission reduction in forging workshop Adopt hot charging furnace technology. Hot charge charging is an effective measure for heating large forgings. That is, the steel ingots poured from the steel casting workshop are directly transported to the forging workshop for heating without cooling. Generally, the furnace temperature is controlled above 600C. Compared with cold material charging furnace, it can save about 40% energy. Practical Technology For Low Pressure Vacuum Carburizing Heat Treatment Rapid heating. Rapid heating is 5 times the normal heating speed. It is mainly suitable for carbon steel and low alloy steel forgings. It can shorten the heating cycle, reduce heating oxidation loss, improve heating quality and reduce fuel consumption. Effects of Heat Treatments on Steels for Bearing Applications Induction heating. The use of induction heating furnaces is an important measure to save energy and reduce consumption in die forging workshops. It is mainly suitable for mass production of die forgings with little change in blank cross-sectional dimensions. Production Process Of Vacuum Brazed Diamond Saw Blade Compared with ordinary flame furnaces, the thermal efficiency of induction heating furnaces can be 50% to 60% higher. %, the oxidation burning loss is only 0.5%, and the production efficiency can be increased by 10% to 30%.Heat treatment process for wide and thick plates Posted at 01:53 AM
Wednesday, October 25, 2023
Types of forging heating furnaces A forging heating furnace is a device used to heat metal above the melting point...in order to perform forging processing. According to their working principles and characteristics, forging heating furnaces can be divided into many types. Below we will introduce several common types. 1. Resistance heating forging furnaceCeramic package shell vacuum brazing Resistance heating forging furnace is a device that converts electrical energy into heat energy. It usually uses high-temperature alloy resistance wire as the heating element. It has fast heating speed, high efficiency and precise temperature control, and is especially suitable for local heating of metal to achieve fine processing requirements.Production Process Of Vacuum Brazed Diamond Saw Blade 2. Gas-heated forging furnace A gas-heated forging furnace is a device that uses gas and air to burn to produce high-temperature combustion gas to heat metal. This kind of forging furnace can be heated continuously and has stable performance, but it needs to be equipped with gas pipelines and burners, and the cost of use is relatively high.Heat treatment process for wide and thick plates 3. Induction heating forging furnace Induction heating forging furnace is a device that uses high-frequency electromagnetic fields to generate eddy current heat for heating.Vacuum brazing of aluminum alloys and filler metals Posted at 02:28 AM
Tuesday, October 24, 2023
Design the heating and cooling curve Design the heating and cooling curve, the heating rate should not be higher than 10?/min, and the cooling rate should be lower than 15?/min. Clean up the environment.Production Process Of Vacuum Brazed Diamond Saw Blade When starting to use the tube furnace every week, check that the oil line of the mechanical pump is above the marking line, remove both end caps, and clean the corundum furnace tube with a vacuum cleaner.Heat treatment process for wide and thick plates Push the sample boat into the middle of the tube furnace (constant temperature length 10cm). Place two insulated furnace plugs so that the end of the second furnace plug is flush with the side of the furnace. Install the gas stove flange, making sure the gasket falls into the groove. Fill with working gas When using hydrogen as working gasVacuum brazing of aluminum alloys and filler metals ? Connect the hydrogen gas line and check for leaks at each joint with soapy water to confirm there is no air leakage. ?Confirm that each valve is closed. ? Turn the knob counterclockwise to open the main valve of the hydrogen cylinder, turn the knob clockwise, and slowly open the outlet pressure reducing valve to keep the outlet pressure at 0.1MPa.Effect of alloying elements on vacuum tempering of quenched steel ? Turn on the power of the mechanical pump, open the outlet valve of the tube furnace and the two valves on the gas line of the mechanical pump, and pump for 5 minutes. Posted at 02:49 AM
Monday, October 23, 2023
Master the construction procedures of industrial furnace and kiln masonry projects Industrial furnace masonry is a process of building specific materials into a structure that meets process requirements based on design requirements. All the steps in this process constitute the entire industrial furnace masonry project. Furnace and kiln masonry projects include professional kiln masonry and general kiln masonry.Heat treatment process for wide and thick plates There are many types of industrial furnaces with wide uses. During the masonry construction process, not only the stability of the masonry structure itself should be considered, but also the purpose, basic performance and overall structure of the furnace including the metal structure should be fully understood. Vacuum brazing of aluminum alloys and filler metals From the selection of materials, There are special requirements for quality control in the entire project process and industrial furnace masonry projects. The main knowledge points of this article are: the general provisions for process handover and the main work at each stage of industrial furnace construction.Effect of alloying elements on vacuum tempering of quenched steel The industrial furnace masonry project should be installed after the furnace foundation, furnace frame structure and related equipment have been installed, and can only be constructed after passing the inspection and signing the process handover certificate.Vacuum heat treatment of carburized steel parts Posted at 01:50 AM
Friday, October 20, 2023
Energy saving measures for controlled atmosphere furnaces Compared with ordinary heat treatment furnaces, the use of controlled atmosphere consumes additional energy. This is mainly caused by the preparation atmosphere, the heating of the atmosphere introduced into the furnace, and the increase in heat loss from the furnace wall caused by hydrogenation in the furnace wall.Vacuum brazing of aluminum alloys and filler metals When selecting an atmosphere, on the premise of meeting process requirements, the amount of energy consumed in preparing the atmosphere should be fully considered. At present, there are many types of atmospheres used in production practice, such as: exothermic atmosphere, endothermic atmosphere, ammonia decomposition gas, charcoal gas, hydrogen, argon-helium and nitrogen-based atmosphere, etc.Effect of alloying elements on vacuum tempering of quenched steel The emergence of endothermic atmosphere in the early 1940s promoted the rapid development of controlled atmosphere heat treatment. It is the most used and versatile atmosphere. The structure of the generating device for this kind of atmosphere is relatively complex, and the preparation process consumes a large amount of raw material gas and external heat energy.Vacuum heat treatment of carburized steel parts In the 1970s, due to the energy crisis, the cost of endothermic atmospheres increased with the continuous increase in fuel prices. In addition, there were safety issues when using them at low temperatures. People began to explore new alternative atmospheres. Therefore, the "prepared" nitrogen-based atmosphere developed in recent years has attracted more and more attention.Vacuum Heat Treating Small Parts Posted at 01:51 AM
Thursday, October 19, 2023
Working principle of bell furnace A bell-type furnace is a type of heating equipment commonly used in industrial production. Its working principle is to heat objects by placing the heating element in a sealed furnace and using high-temperature heat generated by the combustion of electric energy or gas.Effect of alloying elements on vacuum tempering of quenched steel The bell-type furnace is mainly composed of the furnace body, heating elements, control system and furnace door. The furnace body is usually made of high-temperature resistant materials, such as refractory bricks or refractory fibers. The heating element can be a resistance wire, an electric heating tube or a burner, and different heating elements are selected according to different heating methods. Vacuum heat treatment of carburized steel parts 10.19 The control system is used to control parameters such as heating power, temperature and heating time to ensure the stability and controllability of the heating process. The furnace door is used to open and close the furnace to facilitate the loading, unloading and maintenance of objects.Vacuum Heat Treating Small Parts When working, the bell-type furnace first heats the heating element to the set temperature, then places the object to be heated in the furnace and closes the furnace door. The heating element begins to transfer heat energy to the object, causing the object's temperature to gradually increase. At the same time, the upper part of the furnace body is usually equipped with a smoke exhaust port to discharge the exhaust gas and smoke generated by combustion and keep the environment inside the furnace clean. Vacuum heat treatment quality inspection Posted at 03:04 AM
Thursday, October 19, 2023
Working principle of bell furnace A bell-type furnace is a type of heating equipment commonly used in industrial production. Its working principle is to heat objects by placing the heating element in a sealed furnace and using high-temperature heat generated by the combustion of electric energy or gas.Effect of alloying elements on vacuum tempering of quenched steel The bell-type furnace is mainly composed of the furnace body, heating elements, control system and furnace door. The furnace body is usually made of high-temperature resistant materials, such as refractory bricks or refractory fibers. The heating element can be a resistance wire, an electric heating tube or a burner, and different heating elements are selected according to different heating methods. Vacuum heat treatment of carburized steel parts 10.19 The control system is used to control parameters such as heating power, temperature and heating time to ensure the stability and controllability of the heating process. The furnace door is used to open and close the furnace to facilitate the loading, unloading and maintenance of objects.Vacuum Heat Treating Small Parts When working, the bell-type furnace first heats the heating element to the set temperature, then places the object to be heated in the furnace and closes the furnace door. The heating element begins to transfer heat energy to the object, causing the object's temperature to gradually increase. At the same time, the upper part of the furnace body is usually equipped with a smoke exhaust port to discharge the exhaust gas and smoke generated by combustion and keep the environment inside the furnace clean. Vacuum heat treatment quality inspection Posted at 02:45 AM
Wednesday, October 18, 2023
Drying oven operating procedures 1. Check whether there is any debris blocking the air inlet of the drying box and ensure smooth ventilation. 2. Check whether there is residual temperature in the drying box. If there is residual temperature, wait for cooling before operating.Vacuum heat treatment of carburized steel parts 3. Check the drying box for damage and defects, and whether the base and the bottom of the machine are balanced. Steps for usage: 1. Place the items that need to be dried in the drying box.Vacuum Heat Treating Small Parts 2. Turn on the temperature controller and set the desired temperature on the temperature controller. 3. Set the time as needed and open the drying oven. 4. Close the drying oven door.Vacuum heat treatment quality inspection 5. Pay attention to the temperature and humidity readings. If they exceed the set parameter range, please make adjustments in time.What's the vacuum brazing for diamond tools Posted at 02:18 AM
Tuesday, October 17, 2023
Refinery tube heating furnace There are many types of tube furnaces, such as pure heating furnaces and heating-reaction furnaces. The former is like a normal vacuum furnace, and the latter is like a cracking furnace, coking furnace, etc.; according to the main method of heat transfer in the furnace, it is divided into pure convection type, radiant convection type and radiant type; Vacuum Heat Treating Small Parts according to the combustion method, it is divided into flame combustion type and flameless type. Combustion type; according to the different furnace structure, it can be divided into box furnace, vertical furnace and cylindrical furnace. furnace, riser-type furnace, etc.Vacuum heat treatment quality inspection The refinery tubular heating furnace is composed of two parts: a convection chamber and a radiation chamber. The furnace tubes arranged in the convection chamber are called convection tubes, and the heat transfer method is mainly convection heat transfer. What's the vacuum brazing for diamond tools The furnace tubes in the radiation chamber are called radiant tubes, which mainly transfer heat by radiation. Refinery heating furnaces are mainly in two forms: cylindrical furnaces and vertical furnaces. The structure of the heating furnaces will be explained by taking the cylindrical furnace as an example.Effect of vacuum sintering process on the properties of cemented carbide Posted at 02:29 AM |
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