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Wear resistance testing of finished shoe soles using Chinese national standard abrasion testing machine
Product Description: This testing machine is mainly suitable for abrasion resistance testing of rubber soles, TPR soles, polyurethane soles, and plast
Product details
Product Description:This testing machine is mainly suitable for rubber shoe solesTPRWear resistance test of shoe soles, polyurethane shoe soles, and plastic shoe soles as shoes or test pieces,And can be used for wear resistance testing of all non-metallic materials,It is an important testing equipment in the footwear inspection project. This machine uses specially designed grinding wheels as friction materials,It is rotating in revolutions0～300turn/Division and load2Within the kilogram range,Wear resistance tests can be conducted at any position on the sole of the shoe. Due to the fact that the sole of the shoe was facing upwards during the experiment,It is easy to observe the entire wear-resistant process,And the testing is fast and simple.
Testing method:
National standard wear-resistantThe testing method for the testing machine is to test the test pieceplaceOn the testing machineOne end of the balance，the other endAdd a certain load to rotate itgrinding wheelFriction test piece,After a certain period of testing, the test results are represented by the length of the abrasion marks.
Compliant with standards:National standard wear-resistanttesting machinecomply withGB/T3903.2-94<<General inspection methods for footwear - Test method for abrasion resistance of footwear>>
Test piece size:The entire sole of the shoe
Machine operation method:
1. Adjust all parts of the testing machine to normal, and run the grinding wheel idle for 5 minutes.
2. Secure the sample to the left end of the testing machine balance, with the sole facing upwards, and level the worn part of the sole.
3. Adjust the grinding wheel position to align with the flat surface of the sample, and the grinding wheel position should be on the upper left side of the sample seat support pillar.
4. Balance the two ends of the balance (with the pointer pointing to zero), and then add a weight (such as 4.9N or 500g weight) to the pressure value required by the test conditions at the right end of the balance. At this point, the contact pressure between the sample and the grinding wheel is the specified value.
5. Adjust the height position of the grinding wheel so that the balance pointer points to zero, and then tighten the fastening handle of the grinding wheel shaft.
6. Adjust the time selection to the desired value.
7. Turn on the machine, adjust the grinding wheel speed to the specified value, and reset the time display to zero before starting the test.
8. After the testing machine automatically stops for the specified time, measure the length of the wear marks on both sides with a vernier caliper.
If sulfur deficiency is found during the test, the test should be stopped immediately and the contaminated grinding wheel should be cleaned with organic solvents.
Test results:
(1). The test results are expressed in millimeters using the length of the abrasion mark, with significant figures to one decimal place.
(2). Each sample should be tested at least twice, and the arithmetic mean of the four data points from the two locations should be taken. If the scratch is trapezoidal, the difference between the long and short sides should not exceed 10% of the short side.
(3). The maximum allowable deviation of each sample and each test data from the average value is 10%, otherwise the test should be repeated.
(4). The test results of each sample should be presented separately.
Detailed introduction of national standard wear resistance testing machine
National standard abrasion testing machine, abrasion testing machine, national standard abrasion resistance, national standard abrasion resistance
The characteristics of the national standard wear-resistant testing machine:
The national standard abrasion resistance testing machine is mainly suitable for abrasion resistance testing of rubber soles, TPR soles, polyurethane soles, and plastic soles, as well as finished shoes or test pieces.
The national standard wear-resistant testing machine is based on the following standards:
The national standard abrasion resistance testing machine fully complies with the technical requirements of GB/T3903.2-94<<General Inspection Method for Footwear - Footwear Wear Resistance Test Method>>.
National standard wear-resistant testing machine specifications:
| model | QB-8334 |
| Timing range | 1-99:59 seconds |
| Speed measurement range | 1-9999 revolutions per minute |
| Timed shutdown range | 1-99:59 seconds, adjustable every second |
| Grinding wheel speed | 100-300 ± 10 revolutions per minute, continuously adjustable |
| Speed fluctuation | Greater than or equal to ± 5 revolutions per minute |
| Grinding wheel position | Adjustable arbitrarily |
| Machine dimensions | 600mm x 500mm x 700mm (length x width x height) |
| weight | About 88kg |
| rated voltage | AC～220V 50HZ |
Shanghai Qingbo Experimental Equipment Co., Ltd. Main Products：
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