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Four Point Bending Stiffness Tester Information
Four Point Bending Stiffness Tester Information
The document outlines the specifications for a bending stiffness tester, applicable to standards such as DIN 53 121, ISO 5628, SCAN P65, TAPPI T820, and TAPPI T836. It includes statistical measures like mean value, standard deviation, coefficient of variation, and more. The sample size varies based on board type, with specific dimensions and thickness limits. The fixture uses pneumatic clamping to address issues with twisted and curled test pieces, and the control method is PLC-based. Results can be outputted via USB or printed, with options for tabular or graphical presentation.
The testing procedure involves using a laser displacement detector to measure deflection without contact, ensuring no unexpected loading on the paper board. The bending length options range from 50 to 300 mm, and the weights range from 20 to 1020 grams. Measurement capabilities span from 0.5 to 500 Nm.
The system offers full automation, pre-programmed settings for different flute types, and a touch screen for easy operation. It provides both tabular and graphical result presentations.
The document includes comparative data for different brands and models, highlighting differences in control methods, result output options, and measurement tools. It also presents detailed test results, including mean values, standard deviations, and measurement errors for various samples.
Catalog excerpts
Four Point Bending Stiffness Tester Haida International Equipment - Paper & Package Test System (Don't guess before yon test
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Halda Test Equipments _ 4-Point Bending Stiffness Tester measures the bending stiffness of corrugated board and heavy paperboard rapidly and accurately. The unique design of the pneumatic clamps permits measurements of warped and twisted samples without impairing results.
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Applicable Standards Mean Value, Standard Deviation, Coefficient of variation, max and min values of the series, MD/CD ratio, Geometrical mean of MD and CD The sample size depends on board type, normally 50–100 mm (2–4 in) wide and bending Test piece length at least 120 mm (4.7 in) longer than chosen bending length. Maximum thickness is 16 mm (0.6 in) Pneumatic clamping effectively eliminates any problems with twisted and curled test pieces Control Method Result Output USB Flash Drive – Print Out the Image File Tabular or graphical presentation of result Laser Displacement Detector Measurement...
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Don't guess before you test l. Full automated testing sequence; 2. Pneumatic clamping effectively eliminates any problems with twisted and curled test series; 3. Recommended settings for different flute types are pre-programmed; 4. Touch screen for easily operation; 5. Tabular or graphical presentation of result. By using the relationship between curvature and deflection the bending stiffness becomes: a = distance of the loading point from the ii' = width of test piece (m) The loading principle and distribution of bending mo merit for the 4- point method.
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Haida International Equipment (HK1 Ltd 11/F, Front Block, Hanglok Building, Dongguan Haida Corporation Ltd 6/F Rongda Building , Nacheng District, Dongguan City, Guangdong Province HAIDA Vision: 7b fe tfc most vitaBhf an&respectfidtmm! HATDA Mission: "Become your LaB Consultant!
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Four Point Bending Result Compare Data Test Date: 24/03/2015 Testing Type: Shift testing Source: PM1 Bending Stiffn. MD Std.Dev Bending Stiffn. MD Count Bending Stiffn. CD Mean Bending Stiffn. CD Std.Dev Bending Stiffn. CD Count Haida INTL Measuring Error Measuring Error % Bending Stiffn. MD Mean ITCC Shanghai Board Type / Sample no Haida INTL Measuring Error Measuring Error % ITCC Shanghai BC/F 26765633 Haida INTL Measuring Error Measuring Error %
Open the catalog to page 6
4 – POINT BENDING STIFFNESS TESTER (ISO-5628) Popular Model Compare Brand Mean Value, Standard Deviation, Mean Value, Standard Deviation, Coeffcient of variation, max and min values Min, Max, Average, Standard Deviation, of the series, MD/CD ratio, Geometrical values of the series, MD/CD ratio, Gauss Bells, Tolerances and Bars The sample size depends on board type, The sample size depends on board type, The sample size depends on board type, bending length at least 120 mm (4.7 in) bending length at least 120 mm (4.7 in) bending length at least 120 mm (4.7 in) longer than chosen bending length....
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