Exploiting Sequential-Valve-Gate Molding To Control Weld Lines

Weld line is one of the defects occurring in injection molded parts which should be positioned at low-stress and non-critical areas. The paper presents an approach to effectively specify the weld-line locations by exploiting sequential-valve-gate molding. The method accurately repositions the weld l...

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Main Authors: Feng Ruan, Yi Liu, Zujun Zhang, Juan Liao, Bo Chen
Format: Conference Proceeding
Language:English
Subjects:
Automatic control
Automation
desired location
Geometry
Injection molding
Mathematical model
Mathematics
Pressure control
sequential-valve-gate molding
Timing
Valves
weld line
Welding
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creator Feng Ruan
Yi Liu
Zujun Zhang
Juan Liao
Bo Chen
description Weld line is one of the defects occurring in injection molded parts which should be positioned at low-stress and non-critical areas. The paper presents an approach to effectively specify the weld-line locations by exploiting sequential-valve-gate molding. The method accurately repositions the weld lines to the desired locations by varying the opening timings of valve gates and the index of conformity degree between the actual and the desired weld-line locations. An example is used to illustrate the approach.
doi_str_mv 10.1109/ICICTA.2008.211
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Automatic control
Automation
desired location
Geometry
Injection molding
Mathematical model
Mathematics
Pressure control
sequential-valve-gate molding
Timing
Valves
weld line
Welding
title Exploiting Sequential-Valve-Gate Molding To Control Weld Lines
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