The thickness of the dust bag filter material refers to the distance between the two sides of the filter material under a specified pressure. It is one of the main indicators for evaluating the appearance performance of the filter material and affects its performance. Not only do filter materials of different types and uses have different thicknesses, but even the same type of dust bag has different thickness specifications. The performance of dust bag filter material often changes with changes in thickness.

The thickness of the dust bag filter material is measured using a filter material thickness tester. The size of the sample must be at least 20% larger than the presser foot area of the thickness meter, and the sample size is 5-10 pieces. When testing the thickness of the dust bag, place the humidity-conditioned sample on the platform of the thickness meter. According to the experimental standards used in the test, gradually increase the load to all required values for different types of dust bag filter materials. The rotation radius of the cam causes the small lever to move up and down, causing the large lever to swing up and down and drive the guide device to guide up and down. When the large radius of the cam contacts the rotor, the presser foot rises; when the small radius contacts the rotor, the presser foot descends and presses on the sample. The thickness value of the sample is displayed through the indicator dial indicator, and then stabilizes for 30-40 seconds, and then records the thickness reading. , required to be 0.001 (when the thickness is below 0.5mm) or (when the thickness exceeds 0.5mm). And indicate the number of loads applied (such as the mass of the weight) on the measurement report.

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