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Monday, October 16, 2023
Mesh belt furnace heat treatment production line The mesh belt furnace heat treatment production line mainly consists of heating furnace (including quenching furnace, tempering furnace), cooling system (quenching oil tank, cooling fan), cleaning machine (including hot cleaning machine, cold cleaning machine), transmission system, atmosphere system and control system, etc. Vacuum heat treatment quality inspection It has good maintainability and can easily replace damaged parts and mechanisms; at the same time, heating elements, mesh belts, thermocouples, oxygen probes, fans, etc. are also easy to replace. In order to adapt to the characteristics of continuous production of the production line, the mesh belt furnace heat treatment production line that uses both a computer control system and a management system generally has the function of self-diagnosis of equipment faults.What's the vacuum brazing for diamond tools During the long-term use of the mesh belt furnace heat treatment production line, there will be mixing and leakage processes (directly flowing into the next process without quenching or tempering heating). The temperature and carbon potential indicated by the instrument are inconsistent with the actual temperature and carbon potential in the furnace. Effect of vacuum sintering process on the properties of cemented carbide Quenching Changes in the performance of the cooling medium and the occurrence of emergencies, etc., will affect the quality of product heat treatment, sometimes resulting in scrap, equipment damage, etc. The above problems can be completely avoided by taking effective measures.Carburizing process and carburized steel Posted at 02:07 AM
Friday, October 13, 2023
Principle of box furnace graphitization technology Box furnace graphitization technology is a technology that heats solid carbon raw materials such as coal, coke, charcoal, etc. to high temperatures to change their structure and generate graphite. The principle is as follows:What's the vacuum brazing for diamond tools 1. Heating: Put the solid carbon raw material into a box furnace and heat it to high temperature (usually more than 2000C) through a heating device.Effect of vacuum sintering process on the properties of cemented carbide 2. Carbon raw material reaction: At high temperatures, the carbon raw material begins to undergo chemical reactions, and the bonds between carbon atoms break and recombine to form crystalline graphite.Carburizing process and carburized steel 3. Crystal form: Graphite is composed of a layered structure of hexagonal crystal system, and each layer is connected by carbon atoms through covalent bonds. In the box furnace, due to high temperature and suitable reaction conditions, the carbon raw material gradually transforms into a graphite structure.Powder metallurgy stainless steel vacuum sintering process Posted at 01:57 AM
Thursday, October 12, 2023
Renovation and use effects of laboratory electric furnaces With the continuous improvement and progress of the research and development and technology of zinc oxide arrester chips by electronic ceramics, this article mainly focuses on how the laboratory electric furnace meets the process and requirements of electronic ceramics for zinc oxide arresters. Through the analysis and transformation of the defects of the old electric furnace, we use Through piloting and promotion with very little investment, it not only meets the needs of research and development and technology, but also saves the cost of purchasing experimental electric furnaces.Effect of vacuum sintering process on the properties of cemented carbide The electric furnace must be able to burn to at least 1200°C. (The maximum sintering temperature of the zinc oxide arrester chip firing process is 1150°C). After checking the manufacturer and the electric furnace data, we found that our electric furnace can work up to 1200°C.Carburizing process and carburized steel The process flow of zinc oxide arrester chip firing requires that the furnace temperature should be controlled between 0-10°C, and the smaller the controlled temperature difference, the better. Therefore, the key to the transformation of electric furnaces is temperature control. Powder metallurgy stainless steel vacuum sintering process After adjusting and controlling the power of the electric furnace, it was found through repeated adjustments and tests that the old electric furnace could not control such a high accuracy. The furnace temperature control accuracy could only be controlled at 0-50°C. Such a temperature could not satisfy the test at all. Requirements for craftsmanship.What Sets Vacuum Brazing Apart from the Rest Posted at 02:10 AM
Wednesday, October 11, 2023
Box furnace adjustment operation First turn on the adjustment mode: (1) The material tray moves from the front chamber to the back chamber. Press the forward button F3 of the push device until the signal light 1 of the material hook hooked to the material tray lights up. Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment Then press the back button F4 of the push-pull device to pull out the material tray. ,until the material tray reaches the pulling position, the material hook is decoupled [decoupling light 2 lights up] Press F5 to open the middle door, vacuum-brazing-repair-method-for-cracks press F3 to push the material tray into the rear chamber, 4 lights up after being pushed into place, the material hook returns to 5, and the middle door When closed, the material hook returns to its original position and the action stops.Vacuum brazing of ceramic and metal materials (2) To move the material tray from the back room to the front room, first raise the lifting platform, press the F3 material hook to 11, open the middle door, stop the material hook to 4, and then press F3 to move the material hook to the 13 pan grabbing position. Press F4, move the material hook to 14, close the middle furnace door, lower the lifting platform to the oil tank, and return the material hook to its original position.Application example of vacuum heat treatment technology in mold Posted at 03:48 AM
Tuesday, October 10, 2023
Introduction to the working principle of box furnace This box-type electric furnace can heat materials to very high temperatures. For example, a carbon material graphitization electric furnace can heat materials to over 2500°C. The direct heating resistance furnace can be made into a vacuum resistance heating furnace or a protective gas resistance heating furnace. In powder metallurgy, it is often used for sintering tungsten, titanium, silver and other products.Vacuum tempering process of steel When heating with direct heating box-type electric furnace, please pay attention to: ? In order to heat the material evenly, the conductive cross-section and conductivity of each part of the material are required to be consistent;Powder metallurgy stainless steel vacuum sintering process ? Since the resistance of the material itself is quite small, in order to achieve the required electric heating power, the working current is quite large, so the contact between the power-transmitting electrode and the material should be good;What Sets Vacuum Brazing Apart from the Rest In order to avoid arcing and burning of materials, the resistance of the power transmission bus should be small to reduce circuit losses; ?When supplying alternating current, the short network should be configured reasonably to avoid excessive inductance and low power factor.Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment Posted at 02:45 AM
Monday, October 9, 2023
How gas industrial furnaces work Gas industrial furnace is a heat treatment equipment that uses gas as fuel for combustion. It is widely used in heating, drying, roasting, calcining and smelting processes in industrial production. The working principle of a gas industrial furnace mainly includes three aspects: gas supply, combustion process and heat energy transfer.Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment The gas supply of gas industrial furnaces is the basis for their normal operation. Gas is usually delivered to the furnace body through gas pipelines, or it can also be delivered through storage tanks. The gas supply system consists of gas pipelines, pressure regulating valves, flow meters and gas control valves. After the gas enters the furnace body, the flow and pressure of the gas are controlled through the adjustment of the gas control valve to meet the combustion requirements in the furnace.What Sets Vacuum Brazing Apart from the Rest The combustion process is at the heart of the operation of gas-fired industrial furnaces. After the gas enters the furnace cavity, it is ignited by the ignition device to form a flame. After the gas and air are mixed in the furnace, they are burned through the burner nozzle. Powder metallurgy stainless steel vacuum sintering process During the combustion process, gas reacts chemically with air to produce high-temperature combustion products, such as carbon dioxide, water vapor, and carbon monoxide. At the same time, gas industrial furnaces also produce harmful substances such as oxides and particulate matter, so emission control is required.What is vacuum heat treatment Posted at 02:42 AM
Sunday, October 8, 2023
Safety operating procedures for box-type high-temperature furnaces Carefully check whether the grounding wires of temperature measuring instruments, thermocouples, and electrical equipment are intact. Check whether there are other workpieces in the furnace and whether the furnace bottom plate and resistance wire are intact. Whether the furnace door opening and closing mechanism is flexible, etc.Powder metallurgy stainless steel vacuum sintering process Turn on the power. After a few seconds, the circuit starts to work and the signal light turns on. Place the adjustable thermometer millivolt meter at the required scale. The electric furnace is heated and the constant temperature is automatically maintained.What Sets Vacuum Brazing Apart from the Rest ?Heating should be carried out step by step for the first time, that is, 20-200? for 3 hours, 200-400? for 3 hours, and 400-600? for 2 hours. ?The loading and unloading of workpieces must be done without power. When loading the furnace, do not throw workpieces with force to avoid damaging electric heating elements, furnace bottom plates, etc.; it is strictly prohibited to load wet workpieces into the furnace to avoid breaking the refractory bricks on the furnace wall; Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment the workpieces and electric heating elements heated in the furnace should be kept at 50-50°C. 7Omm distance; workpieces should be placed neatly and not stacked too high to avoid damaging the thermowell.vacuum-brazing-repair-method-for-cracks Posted at 02:07 AM
Saturday, October 7, 2023
Industrial kiln energy-saving technology In industrial production, the heat generated by fuel combustion is used, or electrical energy is converted into thermal energy, so as to purchase thermal equipment used in various processing techniques such as smelting, heating, drying, sintering, cracking and distillation of workpieces or materials. It is called an industrial furnace. Industrial kilns are mainly composed of furnace lining, furnace frame, heating device (such as combustion device, electric heating element), preheater, furnace front pipe, smoke exhaust system, furnace machinery and other parts.What Sets Vacuum Brazing Apart from the Rest At present, industrial furnace metal is widely used in all walks of life in the economy, such as metallurgy, building materials, chemical industry, light industry, food and ceramics. It has many varieties, high energy consumption and great influence.Process Of Preventing Deformation And Cracking Of Mold By Vacuum Heat Treatment It is a key equipment for industrial heating. The development of its heating technology and the adoption of high-efficiency energy-saving technology have a great impact on improving product quality, reducing production costs, rationally utilizing energy, improving working conditions, and realizing civilized production.vacuum-brazing-repair-method-for-cracks There are many types of industrial kilns, and they need to meet different application backgrounds and production process requirements in different industries. Industrial kilns should generally meet the following requirements:Vacuum brazing of ceramic and metal materials (1) The furnace temperature and atmosphere are easy to control, ensuring that the quality of thermally processed products meets process requirements; (2) The furnace productivity is high; (3) High thermal efficiency and low energy consumption per unit product; Posted at 03:06 AM
Wednesday, September 20, 2023
Experimental coke oven The coke oven carbonization chamber adopts a building block design, which is convenient for masonry and maintenance. The furnace walls are made of thin-walled silicon carbide bricks, which shortens the oven time and the coking cycle. The 40kg test coke oven adopts programmed temperature control heating and has a good working interface. vacuum-brazing-repair-method-for-cracks The heating system can be set as needed. When connected to the computer, various test parameters can be displayed, recorded and printed. Experiments have shown that the center temperature curve of the coke cake of the JL-40 test coke oven is similar to the center temperature curve of the coke cake of the production coke oven.Vacuum brazing of ceramic and metal materials The JL-40 test coke oven is a relatively advanced coking research equipment. Its main function is to conduct coking tests by mixing various coals in a certain proportion according to the coal resources for coking and the quality requirements of the coke. The coal blending test is to: (1) find a coal supply base for the new coking plant and determine an economical and reasonable coal use plan; MIM metal injection molding sintering process (2) conduct coal quality identification of coal from newly put into operation and newly used coal, and evaluate its coking properties and its role in coal blending and coking in order to rationally utilize coking coal resources and expand the coking coal base; (3) adjust the production coal blending plan according to the coal supply situation to ensure coke quality; (4) inspect coking coal preparation and The effect of the new coking process.Vacuum Heat Treatment for Gear Manufacturing Posted at 01:43 AM
Tuesday, September 12, 2023
Aging furnace heating principle The aging furnace is a common heating equipment. Its principle is to use electrical energy or fuel energy to convert thermal energy into the heat of an object. Aging furnaces are widely used in industrial production, especially in the heat treatment process of metal materials, which play an important role.Powder Metallurgy Gear Manufacturing Process The heating principles of aging furnaces mainly include conduction, convection and radiation. First of all, conduction refers to the transfer of heat through the molecules inside an object, causing the object to heat up as a whole. When the heating element (such as resistance wire or burner) in the aging furnace is supplied with electrical energy or fuel, it will generate high temperature. By contacting the object, the molecules inside the object will continuously vibrate, thereby conducting heat.Vacuum Furnaces Leaks and Detection Techniques Convection is the transfer of heat through the flow of a fluid medium, such as air or liquid. The heat generated by the heating element inside the aging furnace causes the surrounding air or liquid to expand and form a convection flow, which transfers heat to the surface of the object. This convection heat transfer method can speed up the heating of objects and improve heating efficiency.Process optimization of alumina ceramic sintering technology Radiation refers to the spread of thermal energy in the form of electromagnetic waves, and heat is transferred through radiation. The high temperature generated by the heating element in the aging furnace emits thermal radiation, which can pass through air or vacuum and transfer heat directly to the surface of the object without a medium. Radiation heat transfer has the characteristics of no need for medium transfer and fast heat transfer speed. For objects that are not easy to transfer heat by conduction or convection, radiation heat transfer plays an important role.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics Posted at 11:30 PM |
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