Organogama
ISSN 1808-7310
Avaliação do empenamento de peças plásticas injetadas em um molde com diferença de temperatura entre as placas
Determination of the war page of injected plastics part in a mold with difference of temperature between the plates Ricardo Pedro Bom
Dr., Professor do Departamento de Eng. Mecânica, CCT/UDESC Programa de Pós Graduação em Ciência e Engenharia dos Materiais Joinville, SC, Brasil CEP 89.223-100 dem2rpb@joinville.udesc.br
Vinícius Severo Leães
M.Sc. Eng. Materiais, Whirlpool S.A. Eletrodomésticos Joinville, SC, Brasil vinicius_s_leaes@whirlpool.com
Resumo
O objetivo deste em de molde de trabalho peças estrutura e é determinar em a os partir o da empenamento termoplástico placas do injetadas amorfa material
Abstract
The aim of this study is to determine the warpage in injection molded parts with amorphous structure and to compare the experimental results with simulation results. A numerical simulation using commercial software (moldflow) to obtain a warped part through temperature difference between injection mold plates were done. The coupons were obtained through injection molding, manipulating the temperature difference between mold plates through cooling system temperatures. It was observed that the temperatures difference between plates is a major factor regarding warpage, while as great is the temperature difference, greater is the warpage. It was observed that the part warps towards the hottest plate and there is a systematic difference between experimental results and simulation results, as seen in the literature.
imposição de uma diferença de temperatura entre as comparar de fluxo. resultados a experimentais com os resultados obtidos por um aplicativo simulação simulação Realizou-se numérica com aplicativo comercial
(MOLDFLOW) para obter o empenamento de um corpo-de-prova a partir da variação da temperatura entre as placas do molde de injeção. Os corpos