Processing technology for durable sound insulation fir solid wood door
A processing technology, a technology for solid wood doors, applied in wood processing appliances, manufacturing tools, wood treatment and other directions, can solve the problems of dry cracking, poor impact resistance, unsuitability, etc. damage reduction effect
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Embodiment 1
[0037] A process for processing a durable soundproof fir solid wood door, comprising the following steps:
[0038] (1) After the fir is processed into the corresponding shape and size according to the shape and size of the solid wood door, the impurities are removed by ultrasonic cleaning. The ultrasonic cleaning is divided into three stages. The first stage sets the ultrasonic frequency to 10kHz, and the cleaning time is 5min. The ultrasonic frequency is 15kHz, and the cleaning time is 5 minutes. In the third stage, the ultrasonic frequency is set to 20kHz, and the cleaning time is 5 minutes. Finally, the solid wood door blank is obtained.
[0039] (2) Put the solid wood door embryo in the freezer for freeze-drying. First, lower the temperature of the freezer to minus 3°C. After the moisture on the surface of the solid wood door embryo condenses into ice crystals, heat it up to 40°C within 10 minutes. The ice crystals on the surface of the embryo are directly sublimated into ...
Embodiment 2
[0056] A process for processing a durable soundproof fir solid wood door, comprising the following steps:
[0057] (1) After the fir is processed into the corresponding shape and size according to the shape and size of the solid wood door, the impurities are removed by ultrasonic cleaning. The ultrasonic cleaning is divided into three stages. The ultrasonic frequency is 18kHz, and the cleaning time is 6 minutes. In the third stage, the ultrasonic frequency is set to 23kHz, and the cleaning time is 8 minutes. Finally, the solid wood door blank is obtained.
[0058] (2) Put the solid wood door embryo in the freezer for freeze-drying. First, lower the temperature of the freezer to minus 4°C. After the moisture on the surface of the solid wood door embryo condenses into ice crystals, heat it up to 45°C within 15 minutes. The ice crystals on the surface of the embryo are directly sublimated into steam and removed, and the moisture content of the solid wood door embryo is not more t...
Embodiment 3
[0075] A process for processing a durable soundproof fir solid wood door, comprising the following steps:
[0076] (1) After the fir is processed into the corresponding shape and size according to the shape and size of the solid wood door, the impurities are removed by ultrasonic cleaning. The ultrasonic cleaning is divided into three stages. The first stage sets the ultrasonic frequency to 15kHz, and the cleaning time is 10min. The ultrasonic frequency is 20kHz, and the cleaning time is 8 minutes. In the third stage, the ultrasonic frequency is set to 25kHz, and the cleaning time is 10 minutes, and finally the solid wood door blank is obtained.
[0077] (2) Put the solid wood door embryo in the freezer for freeze-drying. First, lower the temperature of the freezer to minus 5°C. After the moisture on the surface of the solid wood door embryo condenses into ice crystals, heat it up to 50°C within 20 minutes. The ice crystals on the surface of the embryo are directly sublimated ...
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