Welcome to Suzhou PTC Optical Instrument Co Ltd
Manufacturer / Exporter Of Hand-operated Quantitive Polariscope, Bench Type Polariscope ( Strain Viewer ), Handheld Polariscope ( Strain Viewer ), Preform Strain Viewer ( Polariscope)
Welcome to Suzhou PTC Optical Instrument Co Ltd
Manufacturer / Exporter Of Hand-operated Quantitive Polariscope, Bench Type Polariscope ( Strain Viewer ), Handheld Polariscope ( Strain Viewer ), Preform Strain Viewer ( Polariscope)
Polariscope is an optical instrument designed to observe stress presence and stress distribution state inside transparent materials . Objects of Polariscope float glass plate, automotive glass crystal , quartz , lens glass glass container , glass vial , water glass glass wafer , glass tube , laboratory glassware resin plate , resin film , mold injection resin products industrial new material glass , optical new material glass Measuring principle The internal stress of glass and plastic products has a birefringent characteristic. In other words, if there is stress inside of these types of products, light from the polarized lamp will be divided into different units, which produces optical interference phenomenon(ripple patterns) in turn. From the observation of colored patterns, you can see stress distribution directly, then evaluate and improve the annealing process. The inspection of plastic molds is more complex as the colored patterns caused by stress is irregular. A similar situation may occur with glass products, which is called stress stretching . For example, a qualified mold will have a large amount of stress released by tension.
Preform Strain Viewer ( Polariscope ) is an optical instrument designed to observe crystallization and other common defects which are invisible under natural light. Residual stress in injection molding products can also detected . It has been widely used in the quality control of various plastic rough processing products and finished products . Objects of Polariscope PET preform resin plate , resin film , mold injection resin products Measuring principle The internal stress of 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 produces optical interference phenomenon (ripple patterns) in turn. When the plastic preform is placed on the sample plate at 0°or 90°, the colored birefringent stripes at the edge of the preform can be observed; When the plastic preform is placed on the sample plate at 45°, black birefringence stripes in the central part of the preform will be displayed;
Polariscope is an optical instrument designed to observe stress presence, stress distribution state , measure temper grade and optical retardation caused by residual stress inside transparent materials . Objects of Polariscope float glass plate, automotive glass crystal , quartz , lens glass glass container , glass vial , water glass glass wafer , glass tube , laboratory glassware resin plate , resin film , mold injection resin products industrial new material glass , optical new material glass Measuring principle The internal stress of glass and 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 produces optical interference phenomenon(ripple patterns) in turn. From the observation of colored patterns, you can see stress distribution directly, then evaluate and improve the annealing process.
Polariscope is an optical instrument designed to observe stress presence and stress distribution state inside transparent materials . Objects of Polariscope float glass plate, automotive glass crystal , quartz , lens glass glass container , glass vial , water glass glass wafer , glass tube , laboratory glassware resin plate , resin film , mold injection resin products industrial new material glass , optical new material glass Measuring principle The internal stress of glass and plastic products has a birefringent characteristic. In other words, if there is stress inside of these types of products, light from the polarized lamp will be divided into different units, which produces optical interference phenomenon (ripple patterns) in turn. From the observation of colored patterns, you can see stress distribution directly, then evaluate and improve the annealing process. The inspection of plastic molds is more complex as the colored patterns caused by stress is irregular. A similar situation may occur with glass products, which is called stress stretching. For example, a qualified mold will have a large amount of stress released by tension.
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