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Vacuum furnace selection skills

How should vacuum furnace choose and buy? This is the problem we need to consider, when choosing a vacuum furnace, we can refer to the following skills for comparison:


Vacuum furnace selection skills


1. The vacuum heat treatment furnace needed to be purchased


First, according to the actual production needs, the need to purchase what kind of vacuum heat treatment furnace. For example, is it a single vacuum heat treatment furnace or more than one vacuum heat treatment furnace? Is it vacuum heat treatment furnace production line or vertical and horizontal vacuum heat treatment furnace? Is the single chamber vacuum heat treatment furnace or multi - chamber vacuum heat treatment furnace. Secondly, according to the actual process needs, the need to purchase what kind of vacuum heat treatment furnace.


2. Function of vacuum heat treatment furnace


According to the needs of actual production and actual process, the main functions of vacuum heat treatment furnace should be purchased. The choice of function should be reasonable, practical, reliable, stable and safe, and has certain advanced and prospective. However, the one-sided pursuit of functional diversity, comprehensiveness, advancement and foresight is not recommended. One furnace is multi-purpose cannot one-sided pursuit, can only pursue the reasonable configuration of function, so as to ensure the final practicability, reliability, stability and safety of vacuum heat treatment furnace.


3. Technical problems that can be solved by vacuum heat treatment furnace


On the one hand, according to the actual needs of the process, the need to purchase what kind of vacuum heat treatment furnace; On the other hand, the vacuum heat treatment furnace finally purchased must be able to reasonably and practically solve the technical problems that need to be solved in practice. In this way, first of all, it is necessary to find out what technical problems need to be solved in practice. Secondly, it is necessary to know the possible future technological problems. Third, it is important to know what kind of vacuum heat treatment furnace (that is, what kind of vacuum heat treatment furnace has) can solve the above problems.


4. Technical specifications of vacuum heat treatment furnace


Common technique index of vacuum heat treatment furnace include: effective working area size, maximum furnace charging quantity, the highest temperature, common working temperature, vacuum heat treatment furnace, vacuum heat treatment furnace stove category of spare parts buy level, the effective working area size, furnace temperature uniformity, the system precision, ultimate vacuum, vacuum, pressure rise rate, extraction rate, heating rate, cooling rate, cooling method and cooling capacity), partial pressure control function and pressure of gas quenching cooling, etc. According to the actual production and process requirements, determine the need to purchase the vacuum heat treatment furnace technical indicators. The determination of technical index of vacuum heat treatment furnace must be reasonable and practical, and take into account certain development needs.


5. Process route and main process parameters of vacuum heat treatment furnace


Firstly, the exact position and related requirements of the vacuum heat treatment process to be carried out by the vacuum heat treatment furnace to be purchased in the entire production process of related products should be made clear. Secondly, the correlation between the vacuum heat treatment process to be carried out by the vacuum heat treatment furnace to be purchased and the processes before and after it should be solved. Third, it should be clear that the vacuum heat treatment furnace should be purchased to carry out the vacuum heat treatment process parameters.


6. Main components of vacuum heat treatment furnace and its key technical indicators


The main components of the vacuum heat treatment furnace to be purchased shall include: horizontal double-layer water-cooled furnace body, furnace door, furnace heating area (heating furnace furnace), vacuum pumping system, gas cooling system, electrical system, control operating system, test system and water-cooled system, etc. Each part of the configuration and requirements according to their own production needs, process needs, funds and site conditions to determine carefully. Need to purchase the vacuum heat treatment furnace of the key technical indicators should include: the effective working area size, maximum furnace charging quantity, the highest temperature, common working temperature, vacuum heat treatment furnace, vacuum heat treatment furnace stove category of related accessories configuration level, effective workspace feet inches, furnace temperature uniformity, the system precision, ultimate vacuum, vacuum, pressure rise rate, extraction rate, heating rate, cooling rate, cooling method and cooling capacity), partial pressure control function and pressure of gas quenching cooling, etc.


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