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MIT Paper Folding Tester

MIT Paper Folding Tester

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MIT Paper Folding Tester

Introduction

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Test Application

Packaging Testing Instruments
Cardboard & Paper Testing

The folding resistance tester is a device used to measure the fold resistance of materials such as paper, cardboard, and flexible printed circuit. It simulates repeated bending or folding of a material to determine its durability and resistance to cracking or breaking.

This tester is often used in industries like packaging, printing, and electronic product manufacturing to assess the quality and performance of materials.

Test Principle

  1. Prepare the test piece by cutting it to the standard width specified for the test.
  2. Fix the two ends of the test piece on the folding tester.
  3. Apply the required load to the lower, to create tension on the test piece.
  4. Activate the machine and initiate the test mode for folding endurance.
  5. The lower fixture will start reciprocally bending the test piece to the left and right sides in a vertical position.
  6. The bending angle should be set to 135 degrees.
  7.  The folding tester will continue bending the test piece until it breaks, and it will automatically count the number of double folds.
  8. Record the number of double folds required for the test piece to break, as this indicates the folding endurance of the paper sample.

Technical Parameters

Item Description
Model TX-NJU6420
Sample size 15×(150~200)mm
Load mode Weight type, 4.91N, 9.81N, 14.72N
Folding angle 135°±2°
Folding speed (175±10) times/min
Folding head width 19±1mm
Spring tension 4.9~14.7N, every time 9.8N of tension is added, the spring compresses at least 17mm;
The tension change caused by the eccentric rotation of the folding chuck is not more than 0.343N.
Distance between folded seams 0.25mm/0.5mm/0.75mm/1.00mm (glass fiber material and other materials can be customized chuck)
Standard weight 4.9N, 9.8N
Counter 0～999,999
The arc radius of the crease 0.38±0.02mm
HMI Touch screen display, real-time display of the number of folding changes
Product Dimensions 340×350×460mm
Net weight 38KG

Standards

TAPPI-T423PM
ASTM-D2176
JIS-P8115
ISO 5626
GB/T2679-5

Features

  1. Microcomputer control technology, open structure, simple and convenient operation, safe and reliable;
  2. Automatic measurement, statistics, printing of test results, and data storage function;
  3. After the test is completed, it will automatically return to the zero position function;
  4. Compact structure, elegant appearance, easy maintenance.