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Some common faults and troubleshooting methods of box-type atmosphere furnace

  The box-type atmosphere furnace is a commonly used experimental and production equipment in university laboratories, scientific research institutions and industrial and mining enterprises. It is mainly suitable for diffusion welding of metals, nanometers, single crystal silicon, polycrystalline silicon, batteries, etc., as well as heating equipment for atmosphere heat treatment under the protection of vacuum gas. . Mainly used for material testing, synthesis, sintering, etc. The furnace body has good thermal insulation performance and relatively good energy-saving effect. It can also be used for vacuum hot-press sintering of composite materials, powder materials, structural ceramics and alloys.
The following is a brief introduction to the common faults and troubleshooting methods of the box-type atmosphere furnace:

1. In the high temperature test, if the temperature change does not reach the test temperature value, you can check the electrical system and eliminate the faults one by one. If the temperature rises very slowly, check the air circulation system to see if the regulating baffle of the air circulation is open normally, otherwise, check whether the motor of the air circulation is running normally. If the temperature overshoot is severe, then it is necessary to adjust the PID setting parameters. If the temperature rises directly, the over-temperature protection means that the controller is faulty and the control instrument must be replaced.

2. When the equipment fails suddenly during the test operation, the corresponding fault display prompt will appear on the control instrument and there will be an audio alarm prompt. The operator can quickly check which type of fault it belongs to according to the troubleshooting manual in the operation and use of the equipment, and then ask professionals to quickly troubleshoot the fault to ensure the normal progress of the test. There will be other phenomena in the use of other environmental test equipment, so it is necessary to analyze and eliminate specific phenomena.

3. If the low temperature does not meet the test index, then you have to observe the temperature change, whether the temperature drops very slowly, or the temperature has a tendency to rise after the temperature reaches a certain value, the former should be checked, and the vacuum atmosphere furnace is used for low temperature test Whether to dry the working room before, keep the working room dry and then put the test samples into the working room and then do the test, whether the test samples in the working room are placed too much, so that the wind in the working room cannot be fully circulated, after eliminating the above reasons Finally, it is necessary to consider whether it is a failure in the refrigeration system, so it is necessary to ask the professional staff of the manufacturer to overhaul it.

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