Production & Quality
7 görüntüleme
Dimensional change with temperature/thermal expansion of styrene-acrylonitrile copolymer products
Sorun Belirtisi
Product dimensions change at different temperatures, exceeding the tolerance range.
Neden Analizi
(1) Styrene-acrylonitrile copolymer has a large thermal expansion coefficient, and temperature changes cause dimensional changes
(2) The product is used in a high-temperature environment, and thermal expansion causes dimensional increase
(3) Measurement temperatures are inconsistent, and measurement results differ at different temperatures
(4) Product wall thickness is uneven, and thermal expansion amounts differ across areas
(5) The product is constrained and cannot expand freely, producing thermal stress
Çözüm
(1) Consider thermal expansion compensation in design
(2) Determine the tolerance range according to the service temperature
(3) Measure dimensions at the standard temperature (23°C)
(4) Optimize product wall thickness uniformity
(5) Reserve expansion gaps in design
Temel Çıkarım
Thermal expansion is an inherent material characteristic; temperature influence needs to be considered in design.
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