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Are there hidden errors in your data? 
TIPS & TRICKS for PACKAGING TESTING
WHY PERFORM PACKAGING TESTING? 
Testing provides quantitative information about tear resistance, puncture resistance, peel...
PACKAGE TESTING CAN BE TOUGH 
Signal Conditioning plays a critical role in the accuracy of data captured. 
Package tests a...
PACKAGE TESTING CAN BE TOUGH 
Sometimes there is a fine line between being too easy and too difficult to open a package. 
...
COMMON CHALLENGES IN PACKAGE TESTING 
Test Types 
•Are you performing the correct test for your products? 
Grip Slippage a...
TEST TYPES Are you performing the best tests for your materials or components?
TEST TYPES: PEEL 
180° Peel ASTM D3330 BS EN 28510-2 ISO 8510-2 ASTM D1000 
T-Peel 
BS 5350-C12 ASTM D5170 ASTM F88 ISO 11...
TEST TYPE: TACK 
Dwell 
1 sec. 
Dwell 
1 sec. 
Probe 0.197” diam. 
Adhesive 
1”-square adhesive contact area 
Loop of tape...
OTHERS 
TENSILE 
ASTM D882 ASTM D412 ASTM D638 ISO 527-1, 2, 3 
PUNCTURE (static or impact) 
MIL-STD-3010 ASTM D5748 ASTM ...
FIXTURING Are you using the correct grips or fixtures for your application?
WHICH GRIPS ARE BEST? 
Using the correct grips is not always straightforward. Certain gripping mechanisms work best for di...
SPECIAL PEEL FIXTURING
DATA RATE & BANDWIDTH Are your system settings correct?
Data is collected from the frame (load and other analog input devices) in an analog voltage format, and must be converted ...
SYSTEM BANDWIDTH 
The frequency range (-fc to fc) in which a signal’s amplitude is non-zero, 
which defines the responsive...
AN EXAMPLE 
Same exact data … 
Different bandwidths
DATA ACQUISITION RATE 
How often a signal is saved 
50 Hz Data Acquisition 
1 kHz Data Acquisition 
Data shown is an appro...
SO WHAT DOES THIS MEAN TO ME? 
Data Acquisition Rate and Bandwidth are important factors for peel testing because, togethe...
THANK YOU FOR YOUR TIME!
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Tips & Tricks for Packaging Testing

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Explore best practices to better provide quantitative information about tear resistance, puncture resistance, peel strength, heat seal strength, and durability of materials used in flexible and rigid packaging, and finished packaging products.

Published in: Engineering
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Tips & Tricks for Packaging Testing

  1. 1. Are there hidden errors in your data? TIPS & TRICKS for PACKAGING TESTING
  2. 2. WHY PERFORM PACKAGING TESTING? Testing provides quantitative information about tear resistance, puncture resistance, peel strength, heat seal strength, and durability of materials used in flexible and rigid packaging, and finished packaging products. Insufficient or inadequate packaging can result in damaged, spoiled or lost product, liability claims, unsatisfied consumers, and ultimately … a direct negative impact on your company’s bottom line.
  3. 3. PACKAGE TESTING CAN BE TOUGH Signal Conditioning plays a critical role in the accuracy of data captured. Package tests are often peel tests, so the test signals contain many short, sharp peaks and troughs. Packaging can be delicate and easily damaged by improper fixtures, grips or jaw faces.
  4. 4. PACKAGE TESTING CAN BE TOUGH Sometimes there is a fine line between being too easy and too difficult to open a package. Does your test data allow you to distinguish between the two, especially when the application is critical?
  5. 5. COMMON CHALLENGES IN PACKAGE TESTING Test Types •Are you performing the correct test for your products? Grip Slippage and Extrusion •Are you using the best grips for your test? Data Collection & Bandwidth Settings •Are you viewing all peaks and troughs? •Are you filtering out any relevant parts of the test signal?
  6. 6. TEST TYPES Are you performing the best tests for your materials or components?
  7. 7. TEST TYPES: PEEL 180° Peel ASTM D3330 BS EN 28510-2 ISO 8510-2 ASTM D1000 T-Peel BS 5350-C12 ASTM D5170 ASTM F88 ISO 11339 90° Peel BS EN 28510-1 ISO 8510-1 ISO 29862 ASTM D5109 ASTM D2861 ASTM D5375 Adhesive Rigid Stainless Steel Plate
  8. 8. TEST TYPE: TACK Dwell 1 sec. Dwell 1 sec. Probe 0.197” diam. Adhesive 1”-square adhesive contact area Loop of tape Probe Tack ASTM D2979 Pressure-Sensitive Adhesive Loop Tack BS EN 1719 ASTM D6195 FINAT FTM9 Pressure-Sensitive Adhesive Tapes
  9. 9. OTHERS TENSILE ASTM D882 ASTM D412 ASTM D638 ISO 527-1, 2, 3 PUNCTURE (static or impact) MIL-STD-3010 ASTM D5748 ASTM D7192 COMPRESSION
  10. 10. FIXTURING Are you using the correct grips or fixtures for your application?
  11. 11. WHICH GRIPS ARE BEST? Using the correct grips is not always straightforward. Certain gripping mechanisms work best for different types of tests, materials, and maximum loads. Ultimately, 2 things should be avoided: SLIPPAGE FROM THE JAW FACE JAW BREAKS
  12. 12. SPECIAL PEEL FIXTURING
  13. 13. DATA RATE & BANDWIDTH Are your system settings correct?
  14. 14. Data is collected from the frame (load and other analog input devices) in an analog voltage format, and must be converted to a digital signal in order to be read and processed by software. The analog voltage signals need to be filtered in order to capture a digital signal that both makes sense and is usable, i.e., to filter out unwanted data from the signal. We filter these incoming signals to block out what is usually high-frequency “noise” by adding a filter to the incoming data, thus adjusting the bandwidth of the system. An ideal bandwidth filters out noise and is able to capture the quickest events within a test. WHAT DO WE MEAN BY BANDWIDTH?
  15. 15. SYSTEM BANDWIDTH The frequency range (-fc to fc) in which a signal’s amplitude is non-zero, which defines the responsiveness of the system when converting data into an electrical signal. Frequency (Hz) fc Signal Amplitude Lower Bandwidth Systems: filter out quick, transient signals that can result in truncated curves and missing peak values Higher Bandwidth Systems: track more quickly varying signals that result in an output that more closely approximates actual events
  16. 16. AN EXAMPLE Same exact data … Different bandwidths
  17. 17. DATA ACQUISITION RATE How often a signal is saved 50 Hz Data Acquisition 1 kHz Data Acquisition Data shown is an approximation Data Acquisition Rate Too Low: not capturing all of the important events in a test Data Acquisition Rate Just Right: ensure that relevant and important peaks and troughs in data appear in a test
  18. 18. SO WHAT DOES THIS MEAN TO ME? Data Acquisition Rate and Bandwidth are important factors for peel testing because, together, they dictate what data is captured from the system and displayed on the test graph. Bandwidth should be adjustable to capture quick events, such as the peaks and troughs of a peel test curve Data Acquisition Rate should be adjusted according to the bandwidth to ensure appropriate visualization of the filtered signal General Rule of Thumb: Data Rate should be on the order of 10X the Bandwidth in order to gather meaningful, accurate data (see ASTM E1942)
  19. 19. THANK YOU FOR YOUR TIME!

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