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21
2022
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11
Grinding requirements of medium density board
The purpose of sanding MDF is to sand the soft pre-cured layer on the surface of the mat to obtain a solid and smooth plane, so that the finished product can meet the requirements of thickness tolerance.
The purpose of sanding MDF is to sand the soft pre-cured layer on the surface of the mat to obtain a solid and smooth plane, so that the finished product can meet the requirements of thickness tolerance. Due to the pre-cured layer of MDF manufacturers, the first layer is generally coarse sand, the second layer is fine sand, and the third layer is fine sand.
In the production of MDF, when the double-sand double-sided sander is used in series with the four-sand double-sided sander, the double-sand double-sided sander is placed in front, and the four-sand double-sided sander is placed Behind. The advantage is: the first course is coarse sand, the amount of sand cut is large, and the pre-curing layer is basically removed. These wastes are more suitable for recycling as raw materials. The double-sided sander of the second sand frame can perform this function alone, and the waste of the pre-solidified layer can be collected in a centralized manner, which is convenient for independent transportation; the four-shali double-sided sander finishes the fine sand at the back, and its fine powder waste is suitable for boiler fuel , It is convenient for centralized and independent transportation; in this way, when waste materials have different uses, they can be easily separated. From the power consumption point of view, the power used for coarse sand is high, while the power used for fine sand is low. It is reasonable for a sander to concentrate fine sand.
When the double-sided sander of the second sand frame and the double-sided sander of the sixth sand frame are arranged in series, the double-sided sander of the second sand frame should also be arranged in the front. When considering the use of a double-sided sanding machine with six sanding tables or a double-sided sanding machine with two sanding tables in series with a double-sided sanding machine with four sanding tables, the latter is better.
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