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Help CenterPTC Plastic Polariscope PSV-801
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Plastic Polariscope（Ref: PSV-801 )
Specifications :
Top Analyzer : diameter 7.8 inches ( 200mm)
Bottom illuminating area : 7.8*7.8 inches ( 200 mm )
Measuring space height : 9 inches ( 235mm )
Light source: LED ( White and Sodium light)
Gross Weight : 10KG
Packed in 1 carton : 17*17*12 inches ( 450*450*320mm )
Overall size: 11*13*13 inches ( 300*335*330 mm )
Main voltage: 220 V AC
Principle
The residual stress of transparent plastic products has a birefringent characteristic. In other words, if there is stress inside of these types of products, light from he polarized lamp will be divided into different units, which produce optical interference phenomenon(ripple patterns) in turn.
From the observation of colored patterns, you can see stress distribution directly, then evaluate and improve the molding process.
The inspection of plastic molds is complex as the colored patterns cased by stress is irregular. For example, a qualified mold will have a large amount of stress released by tension.
Functions
This Polariscope is designed to observe and analyze the distribution of residual strain in transparent plastic parts.
It has been widely used in the quality control of various plastic rough processing products and finished products .
Application field
Preformed plastics, CD compression plastics, injection molded plastic parts, acrylic plastic sheets, plastic bags, film, etc.
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