Management of jet reed



Management of jet reed 1. Incoming factory inspection (1) Put the air-jet reed into a plastic bag and seal it, and pack it piece by piece in a suitable carton or wooden box to avoi…

Management of jet reed

1. Incoming factory inspection (1) Put the air-jet reed into a plastic bag and seal it, and pack it piece by piece in a suitable carton or wooden box to avoid damaging the reed teeth. Pack the reed into a box every 5 to 6 pieces and then put it into a wooden box. In the outer packaging box, a certain number of wooden boxes can be fixed during transportation to prevent the reed from moving easily in the box and ensure that it is not damaged during transportation. Each air-jet reed should be accompanied by a product certificate and product instruction manual. (2) Check whether it has been exposed to rain, collision, etc. during transportation. (3) According to the marked quantity, check the actual quantity and count the total quantity. 2. Quality inspection of air-jet reed (1) The length of the steel reed and the effective width of the reed are measured with a steel tape. The thickness of the reed beam is measured with a vernier caliper with a graduation value of 0.01mm. The height and depth of the air flow groove are measured with special measuring tools. Measurement. (2) The surface roughness of the reed teeth is measured with a roughness meter or roughness comparison sample. (3) The thickness of the reed teeth is measured with a micrometer with a graduation value of 0.001mm. (4) The hardness of the reed teeth shall be measured according to the provisions of GB/T4342 (or the material quality inspection certificate shall be verified). (5) The vertical requirements of the reed tooth side and the bottom plane of the lower reed beam must be measured with special measuring tools. (6) The vertical requirements of the side plane of the reed teeth and the front plane of the lower reed beam should be measured with a universal angle ruler with a graduation value of 0.03°. (7) The total number of reed teeth is measured with a steel reed counter. The relative error of the total number of reed teeth is calculated according to the following formula: (8) The flatness of the reed bottom should be measured with a feeler gauge on the platform. (9) The appearance quality of the reed shall be determined by visual inspection by hand feeling. (10) The performance of the reed should be measured on special testing equipment or on an air-jet loom. 3. Inspection and acceptance of important dimensions of the air-jet reed In order to ensure accurate operation of the loom, the following dimensions of the air-jet reed should be inspected when necessary, see Figure 8-4. (1) Dimension AP, tolerance ±0.1mm. (2) Dimension 2, tolerance ±0.1mm.

4. Air flow value acceptance (1) According to the air flow value requirements, check whether it meets the requirements. (2) Use the portable airflow detector provided by the loom factory to detect and compare.
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