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Martindale Abrasion Tester--An artifact that textile and leather companies can't do without

by:GESTER Instruments     2021-03-21
The abrasion tester is mainly used to test textiles, the outer layer of footwear, the lining, the bottom of the shirt and similar fabrics. It can do both dry rub and wet rub tests at the same time. Under known pressure, the circular samples are perpendicular to each other. The two simple harmonic motions of Lissajous are combined in a cyclic plane motion on the standard abrasive. The wear resistance should be evaluated based on the sample should not produce any holes within the specified number of cycles. Martindale Abrasion Tester is widely used in textile and leather companies. Martindale Abrasion Tester can be used for textiles and leather abrasion resistance test, pilling and other experiments. At the same time, Martindale Abrasion Tester It can also test the abrasion properties of fabrics and leather under other conditions, so the Martindale abrasion testing machine in the textile and leather company is an artifact they can't do without. The following are the parameters of Martindale Abrasion Tester: Meet the standards: ASTM D4970 ISO 12945.2, GB/T 4802.2/13775/21196.1/21196.2 ASTM D4966 ISO 12947 FZ/T 20020 BS 3424-24/5690 ISO 12947.1/12947.2 Mu0026S P17/ P19/P19C NEXT 18/18a/18b ISO 5470-2 IWTO-40 JIS L1096 8.17.5 Method E Woolmark TM 112/196 BS EN 388/530/13770 ISO 20344 Working principle: the tested fabric is installed in the upper sample holder And rub it with the abrasive installed on the grinding table. The friction trajectory is Li Sharu's figure. After the specified friction stage according to the test requirements, remove the fabric and calculate the wear resistance index or use the visual description method to evaluate the fuzzing and pilling level of the sample. Technical characteristics and technical parameters: 1. Number of stations: 9 digits; 2. Counting range: 0-999999 times 3. Maximum stroke: horizontal 60.5 ± 0.5 mm, vertical 24 ± 0.5 mm 4, pressurized material mass: gripper : 200±1g, cloth sample weight: 395±2g, furniture decoration sample weight: 594±2g, stainless steel disc: 260±1g. 5. Effective friction diameter of grinding block: A type 200g (1.96N) friction head (9KPa) ¢28.8-0.084mm B type 155g (1.52N) friction head (12 KPa) ¢90-0.1mm 6. The holder is opposite to the grinding table Movement speed: 20-70r/min (adjustable) 7. Sample loading hammer quality: 2385±10g Instrument configuration and consumables: 1. 9 sets of sample holders 2, 9 KPa, 12 KPa weights, 9 each of 3, 38mm, One set of 140mm sampler, one set of 38mm, one set of 140mm sampler backing plate 5. A set of pilling test kit 6, a set of SM50 standard samples 7, a set of EMPA standard pilling samples, and SM- 25 standard abrasive cloth 1.6m*5m one piece 8, standard foam 1.5m*0.5m set (4 pieces/set) 9, standard felt fleece piece 10, 90mm felt disc 20 pieces 11, 38mm, 140mm sampler blade 50 pieces each, 12, and other necessary accessories recommended by the manufacturer. Martindale abrasion tester test steps: 1. The sample is parked in a laboratory environment for more than 8 hours. 2. Cut a sample from the flat part of the sample. If it is an insole, it should be cut to the transfer location. 3. Remove the load and load shaft from the testing machine. 4. Remove the top plate and test fixture. 5. The device of the sample: loosen the fixing ring on the test fixture, take out the sample press, put the sample into the test fixture base, put a sample gasket between the sample and the test fixture base, and then Place the sample press sheet on the sample gasket and fix it with a fixing ring. 6. The device of wool felt and friction cloth: loosen the fixing screws and fixing ring, put the wool felt on the base and then spread the friction cloth, press the 2.5kg platen on the middle of the friction cloth, install the fixed ring and Tighten the fixing screws. 7. Reinstall the top plate and pass the load shaft (12KPa) through the round hole on the top plate. 8. Place the test fixture with the sample face down on the base fixture, adjust the circular groove of the test fixture to align with the load shaft, and insert the load shaft into the circular groove of the test fixture. 9. Set the number of times according to the standard, turn on the switch, and start the test. 10. After reaching the set number of times, it will stop automatically, and remove the sample to judge the result. Note: 1. The friction cloth cannot be used repeatedly, and a piece of friction cloth needs to be replaced every time a test is completed. 2. The wool felt can be used repeatedly, and only needs to be replaced when the surface is worn or stained. 3. The insole should be clothed first, and then the Martindale wear test. More about Martindale Abrasion Tester: http://www.standard-groups.com/TextileGarment/
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