사출금형용 패턴 다양화를 위한 체인져블 금형구조의 해석적 설계기술 개발
Development of Analytical Design Technology for a Changeable Mold Structure to Diversify Patterns for Injection Molds
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초록
This study focuses on the design and development of a changeable mold for various pattern molding applications. The proposed mold is lightweight compared to conventional molds, enabling operators to easily replace the pattern surfaces. Structural analysis was employed to optimize the mold design. Initially, the clamping force was distributed across the contact area to ensure that the stress remained below the yield strength. Subsequently, the thickness of the cavity surface and the number of bolts securing the cavity surface to the mold base were optimized. Based on the structural analysis results, the deformation and stress were evaluated, and a thinner and lighter cavity structure was achieved compared to the existing mold. The mold's weight was reduced from an initial 56 kg to 18.4 kg, achieving a weight reduction of approximately 68%. The lightweight mold developed in this study is expected to significantly enhance work efficiency by allowing operators to replace molds more easily.
Abstract
This study focuses on the design and development of a changeable mold for various pattern molding applications. The proposed mold is lightweight compared to conventional molds, enabling operators to easily replace the pattern surfaces. Structural analysis was employed to optimize the mold design. Initially, the clamping force was distributed across the contact area to ensure that the stress remained below the yield strength. Subsequently, the thickness of the cavity surface and the number of bolts securing the cavity surface to the mold base were optimized. Based on the structural analysis results, the deformation and stress were evaluated, and a thinner and lighter cavity structure was achieved compared to the existing mold. The mold's weight was reduced from an initial 56 kg to 18.4 kg, achieving a weight reduction of approximately 68%. The lightweight mold developed in this study is expected to significantly enhance work efficiency by allowing operators to replace molds more easily.
참고문헌 (19)
- Kim, H. J., "A Simulation Study on the Development of Injection Mold for the Parts of Phone Camera Lens Module", Journal of the Korea Society for Simulation, 22(4), pp.83~92 (2013)[DOI]
- Kurt, M., "Experimental Investigation of Plastic Injection Molding : Assessment of the Effects of Cavity Pressure and Mold Temperature on the Quality of the Final Products", Materials & Design, 30(8), pp.3217~3224 (2009)[DOI]
- Matthew, M., "A Review of Liquid Silicone Rubber Injection Molding : Process Variables and Process Modeling", Polymer Engineering & Science, 61(2), pp.331~347 (2021)[DOI]
- Mayer, D., "Processing Recycled Silicone Powder in Liquid Silicone Rubber Injection Molding and Its Influence on Mechanical Properties", Polymer Engineering & Science, 64(9), pp.4288~4297 (2024)[DOI]
- Tsai, K. M., "Correlation between Runner Pressure and Cavity Pressure within Injection Mold", The International Journal of Advanced Manufacturing Technology, 79, pp.273~284 (2015)[DOI]
- Liew, K. F., "Injection Barrel", Nozzle, Sensors, pp.2022, 22(13)[DOI]
- Schoenherr, M., "Adhesion-Induced Demolding Forces of Hard Coated Microstructures Measured with a Novel Injection Molding Tool", Polymers, 15(5), pp.1285~1302 (2023)[DOI]
- Choi, J. H., "Structural Analysis Examining the Mold Deformation Behavior for the Detection of the Flash in the Injection Mold", International Polymer Processing, 29(4), pp.489~494 (2014)[DOI]
- Park, S. H., "Effect of Molding Conditions on Demolding Force During Injection Molding of Parts with Micro-features", Journal of the Korean Society of Manufacturing Technology Engineers, 23(2), pp.127~132 (2014)[DOI]
- Chen, J. Y., "Investigation of Adhesion Phenomena in Thermoplastic Polyurethane Injection Molding Process", Polymer Engineering & Science, 52(7), pp.1571~1580 (2012)[DOI]
- Tillmann, W., "Reduction of Ejection Forces in Injection Molding by Applying Mechanically Post-Treated CrN and CrAlN PVD Films", Journal of Manufacturing and Materials Processing, 3(4), pp.88~103 (2019)[DOI]
- Sorgato, M., "Effects of Machined Cavity Texture on Ejection Force in Micro Injection Molding", Precision Engineering, 50, pp.440~448 (2017)[DOI]
- Yang, D. C., "A study on the prediction of injection pressure and weight of injection-molded product using Artificial Neural Network", Design & Manufacturing, 13(3), pp.53~58 (2019)[DOI]
- Pouzada, A. S., "Friction Properties of Moulding Thermoplastics", Polymer Testing, 25(8), pp.1017~1023 (2006)[DOI]
- Huang, C. C., "An Effective Approach to Measuring Real-Time Mold Deflection during Injection Molding", Journal of Polymer Engineering, 31(8–9), pp.549~560 (2011)[DOI]
- Delaunay, D., "Nature of Contact between Polymer and Mold in Injection Molding. Part II : Influence of Mold Deflection on Pressure History and Shrinkage", Polymer Engineering & Science, 40(7), pp.1692~1700 (2000)
- Lee, J. H., "Fatigue Strength of High Strength Reinforcing Bars Having Yield Strength of 700 MPa", Journal of the Korea Concrete Institute, 30(3), pp.269~280 (2018)[DOI]
- Wang, H., "Numerical and Experimental Studies on the Ejection of Injection-molded Plastic Products", Polymer Engineering & Science, 40(3), pp.826~840[DOI]
- Pontes, A. J., "Ejection Force of Tubular Injection Moldings. Part II: A Prediction Model", Polymer Engineering & Science, 45(3), pp.325~332 (2005)[DOI]
