How to choose Kejia's vacuum furnace and atmosphere furnace?
When choosing Kejia's vacuum furnace and atmosphere furnace, you can consider the following aspects:
- **Determine the application field**: Different applications have different requirements for the furnace environment and process. For example, for metal heat treatment, the temperature uniformity and cooling speed may be high; for semiconductor manufacturing, the vacuum degree and atmosphere purity are extremely strict.
- **Process parameter requirements**
- **Temperature range**: Determine the required temperature range according to the characteristics of the material to be processed and the process requirements. Ensure that the maximum operating temperature and long-term use temperature of the selected furnace can meet the requirements.
- **Vacuum degree requirements**: Clearly define the vacuum degree required for the process, such as high vacuum environment to avoid metal oxidation, etc. Kejia's vacuum furnace has different vacuum degree levels to choose from, which need to be selected according to actual conditions.
- **Atmosphere type and control accuracy**: If a specific atmosphere is required, such as hydrogen, nitrogen, argon, etc., it is necessary to confirm whether the atmosphere furnace can accurately control the type, flow rate and proportion of the atmosphere.
2. Considering equipment performance
- **Heating system**
- **Heating elements**: Kejia's vacuum furnace and atmosphere furnace heating elements have a variety of heating elements, such as metal heating elements, carbon fiber heating elements, silicon carbon rods, etc., which are selected according to temperature requirements and heating characteristics.
- **Heating rate and temperature uniformity**: For some processes that require heating rate, a furnace that can meet the heating rate should be selected. At the same time, ensure that the temperature uniformity in the furnace meets the process standards.
- **Vacuum system and atmosphere control system**
- **Vacuum system**: Pay attention to the vacuum pump's pumping speed, ultimate vacuum degree and system sealing. A vacuum system with high pumping speed and low reflux can quickly establish and maintain the required vacuum environment.
- **Atmosphere control system**: It has high-precision gas flow control and safety protection functions, which can accurately control the input, mixing and discharge of the atmosphere.
- **Cooling system**: Depending on whether the process requires rapid cooling or a specific cooling method, select a furnace equipped with a suitable cooling system, such as air cooling, water cooling, etc., as well as the corresponding cooling speed and uniformity.
3. Pay attention to equipment structure and size
- **Furnace size and capacity**: According to the size and quantity of the workpiece or material to be processed, choose a furnace with a suitable furnace size to ensure that it can accommodate and leave space to ensure the uniformity of the atmosphere.
- **Furnace structure**: Kejia's products have different furnace structures, such as box type, tube type, etc. Box type furnaces are suitable for batch processing of larger samples, and tube type furnaces are suitable for processing slender or tubular materials.
4. Consider operation and maintenance
- **Operation convenience**: Choose a furnace with a friendly operation interface and flexible control method, such as PLC control, touch screen operation and other functions, which is convenient for setting process parameters and monitoring operation status.
- **Maintenance cost and difficulty**: Understand the maintenance requirements of the equipment and the convenience of replacing wearing parts, and choose products with low maintenance cost and low maintenance difficulty to reduce the cost of use and downtime.
5. Evaluate supplier services
- **Brand and reputation**: Kejia has a certain reputation and credibility in the industry, but it is still necessary to understand the evaluation of its product quality, after-sales service and other aspects.
- **After-sales service**: Ensure that the supplier can provide comprehensive technical support, training services and timely maintenance response to quickly resolve problems when equipment fails.
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