The Softness Tester Test Flow

Test slit width should be divided into: 5.0mm, 6.35mm, 10.0mm, 20.0mm four grades, the width of the error should not exceed ± 0.05mm.Plate-like probe Dimensions:Long: 240mmThickness: 2mmMeasuring arc radius: 1mm.Average travel speed and total stroke of the probe:Average travel speed: (1.2 ± 0.24) mm / sTotal stroke: 12 ± 0.5mm.Sample press-in depth:Pressing depth: mmSlit parallelism:The parallelism of the slit should not exceed 0.05mm.Probe Neutral:
    After the probe into the slit probe should be symmetrical symmetry should be less than 0.05mm on both sides.Instrument Accuracy:
    Maximum instrument range: 1000mN.
    Load Accuracy: ± 1%.
    Repeatability: less than 3%.Take the sample:
    Use GB / T 450 to take the average sample.Sample handling:
    According to GB / T 10739 temperature mission processing, and in this condition for the preparation test.

Experimental steps:
    Press the Hand Feel Tester to adjust the instrument zero and adjust the width of the slit according to the standard deviation. Also check the width error and parallelism. Place the sample on the instrument test bed and make it as symmetrical and slit as possible. Multilayer specimens should be stacked up and down, set the instrument's peak / tracking switch to the peak position, press the test button, dashboard Shaped probe began to move. After the probe has been completed, read the measured value from the display, and then test the next sample, from the vertical and horizontal should be tested 10 data.Calculation of results:
    The arithmetic mean of the results of the lateral test results is expressed in milliseconds and is revised to an integer.experimental report
    The report should contain the following items
    A) standard number;
    B) test environmental conditions;
    C) report the vertical and horizontal mean softness values, respectively, to the integer;
    D) the coefficient of variation of the test results;
    E) the number of layers to be tested;
    F) slit width;
    G) Deviation from standard operation.

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