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Extrusion & Post 10 조회수

Improper annealing treatment, residual stress not eliminated or product deformed

문제 현상
Improper annealing treatment, residual stress not eliminated or product deformed
원인 분석
Annealing temperature set improperly (too high deformation/too low ineffective) Annealing time insufficient, residual stress not fully eliminated Annealing environment temperature uneven Cooling too fast after annealing, introducing new stress Cellulose acetate butyrate annealing temperature should be 15-20°C below the heat deflection temperature
해결 방법
Set the annealing temperature to 15-20°C below the heat deflection temperature Annealing time 1-2h, adjusted according to wall thickness Ensure the annealing environment temperature is uniform Cool slowly after annealing Cellulose acetate butyrate annealing can effectively eliminate residual stress
핵심 요약
Annealing requires slow cooling below the heat deflection temperature
annealingresidual stressheat deflection temperature

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