Injection Molding Simulation for Fewer Process Trial Runs
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Solution Overview
Problem
The injection molding process requires numerous trial runs to determine optimal settings for achieving desired product quality, which is time- and cost-intensive, and this process is further complicated by variations in location-specific conditions, necessitating additional trial runs when transferring settings to different locations.
Innovation Solution
A computer simulation of the injection molding process that considers the shape of the mold and production information of the precursor charge is used to determine initial process settings that can reduce the number of trial runs needed to achieve acceptable product quality, and allows for iterative refinement of the simulation model based on subsequent product analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If numerous trial runs are conducted to determine optimal process settings, then product quality is improved, but time consumption and costs increase
Solution Approach 1:
The patent applies preliminary action by using a computer simulation model to predict optimal injection molding process settings before actual production trials. The simulation model, which incorporates mold shape data and precursor charge production information, allows the system to determine process parameters in advance, thereby reducing the number of physical trial runs needed to achieve desired product quality.
2Manufacturing precision
If numerous trial runs are conducted to determine optimal process settings, then product quality is improved, but costs increase
Solution Approach 1:
The system performs preliminary simulation calculations to determine optimal process settings before actual production trials. By using the simulation model that incorporates mold geometry and precursor production data, the system can predict successful process parameters in advance, thereby reducing the number of costly physical trial runs required to achieve acceptable product quality.
3Productivity
If process settings are transferred to a different location, then production efficiency is improved, but product quality deteriorates due to location-specific conditions
Solution Approach 1:
The patent applies parameter changes by adapting process settings to different locations using the simulation model. When transferring production to a different location, the system uses the simulation model to recalculate optimal process parameters based on location-specific conditions while maintaining the same mold shape and precursor charge characteristics, thereby ensuring consistent product quality across different production sites.
4Manufacturing precision
If extensive trial runs are conducted at a different location, then product quality is improved, but time consumption increases
Solution Approach 1:
The system applies parameter changes by using the simulation model to determine location-specific optimal process settings. Instead of conducting extensive trial runs at a new location, the simulation model calculates adjusted process parameters based on the new location's conditions while maintaining consistency with the original successful production parameters, thereby reducing the time needed to achieve acceptable product quality at the new location.
Data Source
AI summary
The invention relates to a method for improving an injection molding process, wherein a product is produced by an injection molding apparatus through an injection molding process from a precursor charge of precursor material based on process settings applied to the injection molding apparatus, wherein the injection molding process comprises injecting the precursor charge into a mold of the injection molding apparatus, wherein the precursor charge is produced through a precursor production process described by precursor production parameters, wherein the applied process settings are determined prior to the injection molding process by a computer simulation of the injection molding process executed by a computing apparatus, which computer simulation is based on a simulation model, on the precursor production parameters and on given process conditions of the injection molding process, which given process conditions comprise a shape of the mold. The invention also relates to a corresponding system.