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Journal articles on the topic 'Mold cavity design'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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1

Chen, Yong, and David W. Rosen. "A Reverse Glue Approach to Automated Construction of Multi-Piece Molds." Journal of Computing and Information Science in Engineering 3, no. 3 (2003): 219–30. http://dx.doi.org/10.1115/1.1603308.

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Mold design can be a difficult, time-consuming process. Determining how to split a mold cavity into multiple mold pieces (e.g., core, cavity) manually can be a tedious process. This paper focuses on the mold construction step of the automated mold design process. By investigating glue operations and its relations with parting faces, an approach based on a new reverse glue operation is presented. The key to the reverse glue operation is to generate parting faces. A problem definition of parting face generation for a region is provided. Correspondingly, three face generating criteria are identif
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2

Kim, B. H., and M. C. Ramesh. "Automatic Runner Balancing of Injection Molds Using Flow Simulation." Journal of Engineering for Industry 117, no. 4 (1995): 508–15. http://dx.doi.org/10.1115/1.2803528.

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The objective of this paper is to present a methodology for automatically balancing multi-cavity injection molds with the aid of flow simulation. After the runner and cavity layout has been designed, the methodology adjusts runner and gate sizes iteratively based on the outputs of flow analysis. This methodology also ensures that the runner sizes in the final design are machinable. To illustrate this methodology, two examples are used wherein a 20-cavity mold and a 3-cavity mold are modeled and filling of all the cavities at the same time in both cases is achieved. In the case of the 20-cavity
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3

Zhou, Jian, Li Jun Li, Yi Hua Hu, and Ming Chao Wang. "Television Part of Plastic Mold Design Based on CAE." Materials Science Forum 694 (July 2011): 750–53. http://dx.doi.org/10.4028/www.scientific.net/msf.694.750.

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The article points out the television plastic part size,giving the general design route,then describing the general design process of television back shell by Pro/E.The mold design also is introduced,including mold cavity distrubition, size determining of cavity mold and punch mold, selection of mold frame, set of pushing rod and stripping, sizes of part and mold, side core-drawing mechanism, cooling system design, mold’s assembly,through simulation,the mold’s design can be determined whether good or bad.
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4

Zhao, Meiyun, and Zhengcheng Tang. "Finite Element Simulation of Injection Mold Design Integrating Different Structures of Conformal Cooling Channels." Processes 13, no. 1 (2025): 234. https://doi.org/10.3390/pr13010234.

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Injection molding (IM) is a process in which completely melted plastic material is injected into the mold cavity under high pressure at a specific temperature, and the molded product is obtained after pressure holding, cooling, and demolding. During the mold cooling process, the conformal cooling channel system can improve the uniformity of mold temperature, reduce warping deformation, and significantly improve product accuracy. However, the cost consumption of conformal cooling channels for the cavity and core of injection molds is significant, which is a distinct disadvantage. This paper pro
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5

Park, Jong Cheon, and Kunwoo Lee. "Computer Aided Design of a Mold Cavity With Proper Rigging System for Casting Processes: Part 2." Journal of Engineering for Industry 113, no. 1 (1991): 67–74. http://dx.doi.org/10.1115/1.2899624.

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An interactive computer program to design a mold cavity with the proper rigging system has been developed. In addition to the pattern and the risers generated as described in Part 1 of this work, the various components of the gating system are generated in complete three-dimensional models by a rational approach. Then they are laid interactively by the user, and united together with the pattern and the risers to result in the three-dimensional model of the mold assembly. Finally, the vents and the mold box are constructed following the user’s interactive specification and then the mold cavity
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6

Shen, Yan Nan, and Jian Shao. "Knowledge Based Plastic Mold Cavity Design and Manufacturing System." Advanced Materials Research 311-313 (August 2011): 1199–202. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.1199.

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Knowledge based plastic mold cavity design and manufacturing system is presented. The system architecture is composed of user interface, application sub-system, feature technology, knowledge database and inference engine. The feature technology applied in this system includes feature recognition and feature matching which transforms the geometric model to feature model, and feature mapping which transforms product features into mold cavity features. Knowledge database and inference engine are critical for the knowledge based system. In this system, the knowledge database is divided into rule l
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7

Jianmin Han, Dongpo Yang, and Junqiang Wang. "1 Mold 4 Cavity Tube Bending Mold Design based on Moldflow." International Journal of Digital Content Technology and its Applications 7, no. 6 (2013): 244–53. http://dx.doi.org/10.4156/jdcta.vol7.issue6.28.

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8

Gong, Yu Guang, Zhi Wen Zong, Ying Yu, and Bai Yuan Lv. "Coated Composite Crosstie Mold Structure Design Used for Experiment with Inventor, Moldflow and Ansys." Key Engineering Materials 561 (July 2013): 196–200. http://dx.doi.org/10.4028/www.scientific.net/kem.561.196.

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Coated crosstie products and counter mold components are created in 3-D model using Inventor software, preparing for CAE analysis. By using Moldflow software , to determine products gate location, filling, packing, cooling, push-out processing, as well as the injection process conditions optimization of simulation analysis to find possible defects, modify and optimize the design, determine the best processing parameters and conditions. Binding using Ansys11.0 software to analyze rail sleeper mold cavity deformation, structure stress, get distribution of property of von Mises stress and displac
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9

Guo, Qiang. "Based on the Cimatron Plastic Shell Mold Design and Processing." Applied Mechanics and Materials 401-403 (September 2013): 73–76. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.73.

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The graduation design using CimatronE10 software shell model design, product modelling die, mold cavity, side pumping finish making mould numerical control programming and machining center operation. In mold cavity of the numerical control programming is described, the main analysis and technology essentials of each working procedure, flexible use of the secondary open coarse, increasing the auxiliary surface and other programming skills.
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10

He, Tongzheng, and Yuyong Chen. "Influence of Mold Design on Shrinkage Porosity of Ti-6Al-4V Alloy Ingots." Metals 12, no. 12 (2022): 2122. http://dx.doi.org/10.3390/met12122122.

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Mold design is one of the important ways to control shrinkage porosity. In this study, four mold forms with different tapers were first designed, the corresponding three-dimensional finite element models were built using the ProCAST software, and the influence of mold design on the filling and solidification processes of Ti-6Al-4V alloy was investigated. The results showed that the titanium alloy ingots exhibit typical characteristics of layer-by-layer solidification, and that the removal of the riser results in: (a) shortening the time it takes for molten metal to reach the bottom of the mold
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11

Huang, Jun Gang, and Chang You Li. "A Parting Surface Design of Multi-Cavity Mold Based on Pro/E Surface Technique." Advanced Materials Research 690-693 (May 2013): 2855–58. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2855.

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Parting surface design is the key to mold design. Taking mold design of a component as an example, this paper introduces the implementation of a parting surface design of complex multi-cavity mold supported by the surface technique of Pro/E software.
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12

Huang, Po-Wei, Hsin-Shu Peng, and Wei-Huang Choong. "Mold-Face Heating Mechanism, Overflow-Well Design, and Their Effect on Surface Weldline and Tensile Strength of Long-Glass-Fiber-Reinforced Polypropylene Injection Molding." Polymers 12, no. 11 (2020): 2474. http://dx.doi.org/10.3390/polym12112474.

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Long-fiber polymers offer the advantage of a lower production cost because specific tool designs are required for conventional injection molding equipment to produce long-fiber polymer parts. The use of long fibers allows relatively high fiber aspect ratios to be obtained, thereby enhancing composite stiffness, strength, creep endurance, and fatigue endurance. However, the multigate design of the injection-molded part can result in weldline formation during the molding process, which reduces the structural strength of the molded part. Therefore, in this study, the surface quality, fiber compat
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13

Turng, L. S., and K. K. Wang. "A Computer-Aided Cooling-Line Design System for Injection Molds." Journal of Engineering for Industry 112, no. 2 (1990): 161–67. http://dx.doi.org/10.1115/1.2899560.

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This paper presents a methodology for analyzing the heat-transfer process during the injection molding of plastics as an aid to mold design. A numerical scheme using the Boundary Element Method (BEM) with “zonal” approach has been developed to solve the quasi-steady temperature field and its normal derivative over the entire surface of the mold plates including the cavity wall as well as parting surface. In order to obtain a solution for the temperature field, a cycle-averaged heat-transfer coefficient is introduced from a transient heat-conduction analysis and applied as the boundary conditio
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14

Lin, Jui Cheng, and King Sun Lee. "Molding Analysis of Multi-Cavity Aspheric Lens and Mold Designing." Advanced Materials Research 83-86 (December 2009): 77–87. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.77.

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The key of qualities of optical lens created by injection molding are geometric errors and distribution of residual stress. This study analyses a mobile phone camera lens with aspheric optical lens created by one mold and 16 cavities. Mold flow analysis was used to simulate geometric shapes of different gates and design cooling systems to control mold temperatures. Mold temperature was controlled during the actual injection process and simulation results were used as the basis for mold design. The effects of cold-wall-mold on lens residual stress are discussed. The experiment result showed tha
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15

Stanek, Michal, Martin Ovsik, Miroslav Manas, Martin Reznicek, and Petr Fluxa. "Fluidity of Rubber and TPE Influenced by Mold Surface Roughness." Materials Science Forum 952 (April 2019): 198–206. http://dx.doi.org/10.4028/www.scientific.net/msf.952.198.

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Injection molding is one of the most extended plastic processing technologies. Delivery of polymer melts into the mold cavity is the most important stage of the injection molding process. This paper shows the influence of mold cavity surface roughness and technological parameters on the flow length of thermoplastic elastomers and rubber into mold cavity. The fluidity of polymers is affected by many parameters (mold design, melt temperature, injection rate and pressures) and by the flow properties of polymers. Evaluation of the data obtained by experiments where the testing conditions were wide
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16

Li, Jiquan, Taidong Li, Xiang Peng, Feng Liu, Hangchao Zhou, and Shaofei Jiang. "Optimal design of heating system for electrical rapid heat cycle mold based on multi-objective optimization, multiple-attribute decision-making, and conformal design theory." Advances in Mechanical Engineering 10, no. 8 (2018): 168781401878950. http://dx.doi.org/10.1177/1687814018789504.

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To improve the heating efficiency and cavity surface temperature uniformity, an optimal design method was developed for the heating system in electrical rapid heat cycle molding mold. First, an electrical rapid heat cycle molding mold was simplified as a single heating cell unit for thermal response analysis based on conformal design theory. Second, a response surface using back propagation neural network was constructed on the ground of initial finite element experiments. Then, a non-dominated sorting genetic algorithm-II combined with the polynomial back propagation neural network model was
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17

Lv, Yong Feng, and Jian Bei Fan. "A Research on the Aided Method for Design of the Hot Runner Structure of Injection Molds." Advanced Materials Research 490-495 (March 2012): 1925–30. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.1925.

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One of the most important technology for mold design is using the Hot-Runner (HR) system, which should be supported by much of experience and knowledge. Based on repository, this paper has presented a way to design the structure of gates, manifolds, nozzles of the HR. The system is successfully used to design multi-cavity injection molds.
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18

Chen, Yong, and David W. Rosen. "A Region Based Method to Automated Design of Multi-Piece Molds with Application to Rapid Tooling." Journal of Computing and Information Science in Engineering 2, no. 2 (2002): 86–97. http://dx.doi.org/10.1115/1.1505030.

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Particularly for rapid tooling applications, delivering prototype parts with turn-around times of less than two weeks requires fast, proven mold design methods. We present a region-based approach to automated mold design that is suitable for simple two-piece molds (consisting of core and cavity), as well as molds with many additional moving sections. In our region-based approach, part faces are partitioned into regions, each of which can be formed by a single mold piece. The basic elements of our approach are concave regions (generalized pockets) and convex faces since these elements are centr
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19

СИНЮК, ОЛЕГ, ОЛЕГ ПОЛІЩУК та ОЛЕКСАНДР КУНЦОВ. "МОДЕЛЮВАННЯ ПРОЦЕСУ ЗАПОВНЕННЯ В’ЯЗКОЮ РІДИНОЮ ПОРОЖНИНИ ПРЕС-ФОРМИ ДЛЯ ЛИТТЯ ДЕТАЛЕЙ ВЗУТТЯ". Herald of Khmelnytskyi National University. Technical sciences 335, № 3(1) (2024): 472–79. https://doi.org/10.31891/2307-5732-2024-335-3-65.

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The article considers the determination of the optimal structural and technological parameters of injection molding, which are necessary to simulate the process of filling the mold cavity with a viscous liquid, which involves the construction of a numerical model of the flow of a viscous liquid in the mold cavity. The simulated process of the movement of a viscous liquid in the mold cavity using the finite element method. The implementation of the finite element method in the presented form leads to a symmetrical system of linear algebraic equations relative to the unknown nodal values of the
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20

Forcucci, S. J., and T. H. Kwon. "A Computer Aided Design System for Three-Dimensional Compression Mold Heating." Journal of Engineering for Industry 111, no. 4 (1989): 361–68. http://dx.doi.org/10.1115/1.3188773.

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Compression mold processing of composites involves taking the charge through a material dependent temperature and pressure path, inducing thermochemical reactions to cure the charge. While curing, specific uniform temperatures are required for a time, and spatial variation of the cavity surface temperature can lengthen time needed to cure and also cause voids and residual stresses, reducing the quality of the finished part. Towards mold heating design goal of uniform cavity surface temperature, an interactive CAD system for compression mold heating design has been developed. The system accepts
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21

Luh, Yuan-Ping, Chien-Chuan Chin, and Hong-Wai Iao. "Automated Design of Honeycomb Conformal Cooling Channels for Improving Injection Molding Quality." Production Engineering Archives 29, no. 1 (2023): 44–57. http://dx.doi.org/10.30657/pea.2023.29.7.

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Abstract The study of conformal cooling channel usually has adopted two assumptions in model design: the use of (1) a hot runner system and (2) a one-mold-one-cavity design. These assumptions substantially simplify the research. However, most molds are designed using a cold runner system and multiple cavities. These two assumptions may not apply to all commercial systems; hence, a design method for honeycomb CCCs for cold runner systems and multiple cavities is proposed in this study. Specifically, an algorithm was developed to automatically design CCCs for such systems. This algorithm can be
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22

Seo, Tae-Il, Byeong-Uk Song, and Jeong-Won Lee. "Design and fabrication of multi-cavity injection mold using hot runners and direct edge gates." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 15 (2014): 2790–98. http://dx.doi.org/10.1177/0954406214522612.

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A hot runner system can provide many advantages to plastic injection mold engineers for improving product quality. In edge gate systems in particular, the gate traces can appear on the side of products rather than the top. However, it is difficult to establish hot runner systems using edge gates because of their structural differences from conventional gate systems. This article presents the entire process of preparing a 48-cavity plastic injection molding system with edge gates. This process consists of 48-cavity injection mold design, structural analysis, verification of design plans, fillin
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23

Hopmann, C., D. C. Fritsche, C. E. Kahve, et al. "Methodology of a thermal injection mold design with locally applied heating coatings on the cavity wall." Materialwissenschaft und Werkstofftechnik 55, no. 4 (2024): 518–32. http://dx.doi.org/10.1002/mawe.202300156.

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AbstractThe thermal balance of injection molds is defined by the cooling channel layout. However, the fluid tempering of injection molds underlies certain restrictions concerning the thermal dynamic and the local limitation of the zone of influence. The optimal heat balance within the mold to minimize warpage cannot be solely achieved with conformal cooling channels. Ceramic heating coating systems applied by Thermal Spraying on the cavity wall are a novel tempering method for high heating rates and offer the possibility of a more local heat input. In terms of the thermal mold design, the posi
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24

Hu, Qing Chun, Ke Song, and Xiao Ping Jiang. "Research of Fatigue Stress Cracking for Injection Mold Cavity Based on Ansys Workbench." Applied Mechanics and Materials 217-219 (November 2012): 1757–61. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1757.

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The process of injection molding, packing and cooling for injection mold PET (Polyethylene terephthalate) cavity was analyzed and the cause of fatigue stress cracking was investigated. An analysis method of injection mold cavity fatigue based on Ansys Workbench(AWB)was put forward. A simulation of temperature field, displacement, thermal stress field and fatigue life for the cavity of a work cycle based on heat transfer theory was completed. Provide effective measures to avoid fatigue stress cracking and optimization design of the injection mold.
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25

Lin, Chung-Chih, Tian-Cheng Wu, Yu-Shiang Chen, and Bo-Yu Yang. "A Semi-Analytical Method for Designing a Runner System of a Multi-Cavity Mold for Injection Molding." Polymers 14, no. 24 (2022): 5442. http://dx.doi.org/10.3390/polym14245442.

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Multi-cavity mold design is an efficient approach to achieving mass production and is frequently used in plastic injection applications. The runner system of a multi-cavity mold delivers molten plastic to each cavity evenly and makes the molded product from each individual cavity possess an equivalent quality. Not only the dimensions, but also the invisible quality, e.g., the internal stress of the product is of great concern in regard to molding quality. Using commercial software to find an optimal solution for the runner system may be time-consuming in respect to iterations if the engineers
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26

Stanek, Michal, David Manas, Miroslav Manas, Vojtech Senkerik, Adam Skrobak, and Jan Navratil. "Influence of Technological Parameters on Material Flow." Advanced Materials Research 1120-1121 (July 2015): 1194–97. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.1194.

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Injection molding is one of the most extended polymer processing technologies. It enables the manufacture of final products, which do not require any further operations. The tools used for their production – the injection molds – are very complicated assemblies that are made using several technologies and materials. Delivery of polymer melts into the mold cavity is the most important stage of the injection molding process. The fluidity of polymers is affected by many parameters Inc. mold design. Evaluation of set of data obtained by experiments in which the testing conditions were widely chang
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27

Zheng, Yihao, Yancheng Wang, Roland K. Chen, et al. "Tissue transformation mold design and stereolithography fabrication." Rapid Prototyping Journal 23, no. 1 (2017): 162–68. http://dx.doi.org/10.1108/rpj-10-2015-0133.

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Purpose To obtain a vascularized autologous bone graft by in-vivo tissue transformation, a biocompatible tissue transformation mold (TTM) is needed. An ideal TTM is of high geometric accuracy and X-ray radiolucent for monitoring the bone tissue formation. The purpose of this study is to present the TTM design and fabrication process, using 3D reconstruction, stereolithography (SLA) and silicone molding. Design/methodology/approach The rat mandible, the targeted bone graft, was scanned by micro-computed tomography (CT). From the micro-CT images, the 3D mandible model was identified and used as
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28

Gunarnab, Ganguly Under the guidance of Prof. S.D. Lembe. "USE OF PLASTIC INSERTS FOR MANUFACTURING OF INTERNAL CAVITY IN POWDER METALLURGY." International Journal OF Engineering Sciences & Management Research 6, no. 9 (2019): 1–20. https://doi.org/10.5281/zenodo.3407862.

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Powder metallurgy technology requires maximum simplification of the shape of components which has a considerable effect on the design of the press mold, determining the production costs of the process as a whole, especially under the conditions of individual and small-series production. Powder metallurgy technology requires maximum simplification of the shape of components which has a considerable effect on the design of the press mold, determining the production costs of the process as a whole, especially under the conditions of individual and small-series production.   Some types of com
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29

Surace, Rossella, Vito Basile, Vincenzo Bellantone, Francesco Modica, and Irene Fassi. "Micro Injection Molding of Thin Cavities Using Stereolithography for Mold Fabrication." Polymers 13, no. 11 (2021): 1848. http://dx.doi.org/10.3390/polym13111848.

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At the present time, there is a growing interest in additive manufacturing (AM) technologies and their integration into current process chains. In particular, the implementation of AM for tool production in micro injection molding (µ-IM), a well-established process, could introduce many advantages. First of all, AM could avoid the need for the time-consuming and expensive fabrication of molds for small series of customized products. In this work, the feasibility, quality, and reliability of an AM/µ-IM process chain were evaluated by designing and fabricating mold inserts for µ-IM by stereolith
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30

Harry, Hutchinson. "The Molding Influence." Mechanical Engineering 121, no. 10 (1999): 70–72. http://dx.doi.org/10.1115/1.1999-oct-5.

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This article presents study that shows beta testing shapes software to the users’ hands so the product will fit the marketplace. MoldWizard is intended to reduce the time necessary to design complex mold tooling, such as this mold used to manufacture the plastic housings for high-quality nail guns. Depending on the complexity of a mold and its eventual use, the design process can require as many as 50 different steps, including tasks such as importing and cleaning up the CAD model of the part, adjusting its size for shrinkage, separating the core and cavity, generating mold bases, and adding s
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31

Feriotti, Marco Aurélio, Júlia Fornaziero De Almeida, Alexandre Formigoni, Reginaldo Teixeira Coelho, and Rosinei Batista Ribeiro. "Extending Bakelite Mold Lifespan: A Hybrid Metal Manufacturing Application." IOSR Journal of Business and Management 26, no. 9 (2024): 01–16. http://dx.doi.org/10.9790/487x-2609080116.

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Background: The injection molding industry faces challenges with Bakelite thermosetting materials due to their rigidity and strength, which quickly wears out molds, generate excessive burrs, and require costly maintenance. This study aimed to enhance mold performance through the evaluation of Hybrid Metal Manufacturing (HMM) and its comparison with traditional systems Materials and Methods: This study proposes using Hybrid Metal Manufacturing (HMM) to enhance the wear resistance of Bakelite molds. HMM integrates Metal Additive Manufacturing (MAM) with conventional machining, enabling more effi
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Li, Hong Lin, and Zhi Xin Jia. "The Mold Design for the Mouse Bottom Cover Based on EMX Software." Applied Mechanics and Materials 201-202 (October 2012): 590–93. http://dx.doi.org/10.4028/www.scientific.net/amm.201-202.590.

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Injection molding is a major manufacturing method for the fabrication of plastic parts for multi-industrial aspects. The mold design technology experienced the development process of manual draft, 2D CAD design to 3D CAD design. In this paper, the main functions of EMX are introduced firstly. Then the design procedures are presented for molding parts by adopting Mold Cavity functional mould in Pro/E software and the mold base by using EMX software. At last, a mold for the mouse bottom cover is designed using the given method. The result shows that integrated 3D design of mold has significant a
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33

Ibrahim, Mohd Danial, Ger Lian Tan, Lidyana Roslan, Yuki Kashiwabara, Jasmine Jendia, and Yuta Sunami. "Numerical and Experimental Analysis on Runner and Gate Positioning for Magnesium Alloy Die-Casted Test Piece." Materials Science Forum 975 (January 2020): 242–47. http://dx.doi.org/10.4028/www.scientific.net/msf.975.242.

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High Pressure Die Casting (HPDC) is a manufacturing process producing complex and precise products by injecting molten material into mold cavity at top speed and pressure. The quality of product is highly related with mold cavity design. Casting defects due to inappropriate mold design will affect mechanical properties, surface quality and product life cycle. Optimization of runner system is essential to manufacture complex and precision product design with minimal defects. The combination of runner and gating system is investigated in this paper. This paper investigated the effect of runner a
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34

Budiyantoro, C., and H. Sosiati. "Optimization of Runner Balance for a Family Product of Injection Molding Process." Journal of Physics: Conference Series 2739, no. 1 (2024): 012034. http://dx.doi.org/10.1088/1742-6596/2739/1/012034.

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Abstract A family mold is used in the injection molding process to produce components of different sizes that would normally be assembled into a single product assembly. The uniform quality of each injection molded part is strongly influenced by the filling balance of the mold cavity. The filling balance can be controlled by optimizing the dimensions of runners that are directed towards each cavity. In this paper, an optimization method is proposed that aims at balancing the filling time that maximizes the quality of a family mold cavity. There are two steps proposed in this research, namely t
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Stanek, Michal, David Manas, Miroslav Manas, Martin Ovsik, Vojtech Senkerik, and Adam Skrobak. "Injection Molding of Rubber Compound Influenced by Injection Mold Surface Roughness." Advanced Materials Research 1025-1026 (September 2014): 283–87. http://dx.doi.org/10.4028/www.scientific.net/amr.1025-1026.283.

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Delivery of polymer melts into the mold cavity is the most important stage of the injection molding process. This paper shows the influence of cavity surface roughness and technological parameters on the flow length of rubber into mold cavity. The fluidity of polymers is affected by many parameters (mold design, melt temperature, injection rate and pressures) and by the flow properties of polymers. Results of the experiments carried out with selected types of rubber compounds proved a minimal influence of surface roughness of the runners on the polymer melt flow. This considers excluding (if t
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36

Cheng, Rong. "The Application of Feature Mapping in Model Transformation of Turbine Blade." Applied Mechanics and Materials 20-23 (January 2010): 898–904. http://dx.doi.org/10.4028/www.scientific.net/amm.20-23.898.

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A transformation technology for part model to blank model based on feature mapping of turbine blade was prompted to improve the design efficiency of investment casting mold. The definition, feature presentation and feature mapping theory were researched. The feature and the geometry structure of turbine blade’s part mold, blank model and cavity mold were analyzed, and the feature mapping technology was prompted. At last, a mold transformation system was developed based on UG. Experiment result shows that with the help of this system, designers can improve design efficiency of investment castin
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37

Gauvin, R., and M. Chibani. "The Modelling of Mold Filling in Resin Transfer Molding." International Polymer Processing 1, no. 1 (1986): 42–46. http://dx.doi.org/10.1515/217.860042.

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Abstract The resin transfer moulding process (RTM) allows the industrial production of large FRP parts. In this technique layers of reinforcements (mats, woven rovings) are inserted into the mold cavity and resin is injected to fill the closed mold applying external pressure. Due to the strong interdependence between mold design, filling behavior and part quality it is most important to control the cavity pressure as the major influencing process parameter. A simple model is proposed to represent the pressure distribution during mold filling. It is based on Darcy’s law for flow of liquids thro
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Kuang, Wei Hua, Biao Biao Chen, and Yu Cheng Lin. "Complicated Model Establishment and Second Development for Enterprises by MoldWizard." Advanced Materials Research 97-101 (March 2010): 3451–54. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.3451.

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Injection molding is among the most widely used techniques for thermoplastics, and many complicated models are used in the mold enterprises. In the paper, the mold design flow by UG MoldWizard was analyzed. A mold for hair drier cover was successfully developed. How to search parting lines, create/edit parting surfaces, extract regions and create cavity and core were researched deeply. Best gate location analysis was studied by MoldFlow software, and a multi-cavity mold was designed. Angled-lift splits were developed to form the concave grooves. Lastly, the gating system and the cooling system
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Liu, Jun, Gang Ming Wang, and Bao Shou Sun. "Injection Molding Flow Simulation of Thin-Walled Slender Tube and Optimization of Combined Cavity." Applied Mechanics and Materials 37-38 (November 2010): 559–63. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.559.

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Thin-walled slender tubes are produced by injection molding, where there might be defects such as short shot, excessive warpage and uneven temperature distribution. In this paper, injection process analysis was carried out. The 3D modeling technology of Pro/E established a solid model of thin-walled slender tube. MPI (Moldflow Plastics Insight) was used for executing injection molding flow simulation. Gate location and gate number was optimized. Filling system and cooling system of the combined cavity was optimized by analysis of flow, cool and warp. The results can be used for supplying relia
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Hossain, Md Abir, Tanvir Ahmed Rohed, and Md Fakhor Uddin. "Design and Optimization of an Injection Mold for Automotive Air Duct Head Using Advanced CAE Tools." Scientia. Technology, Science and Society 2, no. 5 (2025): 75–99. https://doi.org/10.59324/stss.2025.2(5).07.

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The design and manufacturing of plastic molds are pivotal in the automotive industry, driving innovation and efficiency in the production of high-precision, lightweight components. One such critical part is the auto air duct head, a key element in a vehicle's HVAC (Heating, Ventilation, and Air Conditioning) system. This component is responsible for directing and regulating airflow within the cabin, contributing to passenger comfort, engine cooling, and overall vehicle performance. Effective mold design for the auto air duct head demands a thorough understanding of part geometry, material prop
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Nguyen, Van-Thuc, Pham Son Minh, Tran Minh The Uyen, Thanh Trung Do, Nguyen Canh Ha, and Van Thanh Tien Nguyen. "Conformal Cooling Channel Design for Improving Temperature Distribution on the Cavity Surface in the Injection Molding Process." Polymers 15, no. 13 (2023): 2793. http://dx.doi.org/10.3390/polym15132793.

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Mold heating is an essential process in plastic injection molding. Raising the temperature of the mold before injecting liquefied plastic can ease the mold-filling process. A cooling channel can be used to transport high-temperature fluids for this purpose, such as hot water or oil. This dual purpose is a cost-effective solution for heating the mold because the target temperature is easily achieved using this method. In addition, a conformal cooling channel (CCC) can provide more efficient mold heating than a straight cooling channel. This study used the response surface methodology to determi
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Latief, Alfan Ekajati, M. Pramuda Nugraha S., Adimas Prasetyo S., Ramdan Prianto, Sarmada Sarmada, and Laode Mochamad Irfan. "Designing CVT Slide Piece Molds for Cavity 24 Pieces on Injection Molding Machine." METAL: Jurnal Sistem Mekanik dan Termal 8, no. 2 (2024): 56–62. https://doi.org/10.25077/metal.8.2.56-62.2024.

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Composite materials are often used in the industrial world, one of which is in the automotive industry. Material composite based on polypropylene high impact (PPHI) and natural fiber can be used to create slide piece components on the CVT of automatic motor vehicles. In this study, we will design molds from injection molding on an industrial scale en masse, producing a slide piece product made from composite materials. This research is a development of the previous injection molding mold. In the study, the solidworks software will compare three types of multi-cavity, namely circular, series, a
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Media, Riona Ihsan, Ismet P. Ilyas, and Mohammad Qomarudin. "Analisis Parameter Proses Injeksi 3D Printed VeroWhite Plus Rapid Tooling Dengan Metode Design of Experiments." Jurnal Rekayasa Mesin 12, no. 3 (2021): 543–59. http://dx.doi.org/10.21776/ub.jrm.2021.012.03.5.

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The insert cavity and core produced by the previous research were made using the polymer rapid tools (PRT) technique and will be used for the experimental production process. PRT is a technique for making tools with polymer materials using Additive Manufacturing (AM) technology. In this research, the polymer material used is VeroWhite Plus. The insert cavity and core will be tested to produce ± 100 key chain products. The adjustment of the injection process parameters is sought through the simulation process to obtain low insert cavity and core temperature values so that the mold is not damag
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Cui, Huan Yong, Xi Jie Tian, and Dong Liang Wang. "Design Technique Research of Fine-Forged Spur Bevel Gear Tooth Profile Modification." Key Engineering Materials 443 (June 2010): 170–76. http://dx.doi.org/10.4028/www.scientific.net/kem.443.170.

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Gear tooth profile modification can be featured to improve working stability of gear equipments, abate noise and vibration, enhance loading ability and prolong usage life of the gears. Fine forged spur bevel gear are formed with molds, so it is economical to modify the gears by means of modifying mold cavity. Whether the modified gears can be separated from the mold with easiness is proposed to be the basic criterion of gear tooth profile modification design. Near the big ends and tooth roots is mainly the area which affects demolding after modification. According to the modified gear configur
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Tajraihan, Nabiel, and Aa Santosa. "BOTTLE MOLD DESIGN IN THE BLOW MOLDING PROCESS USING MASTERCAM X5 AND INVENTOR." Journal of Mechanical and Manufacture 3, no. 2 (2024): 91–96. https://doi.org/10.31949/jmm.v3i2.7820.

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ABSTRACT In its development, every manufacturing industry increasingly makes humans think more creatively and is faced with new problems, especially in making new innovations. The purpose of these production problems is to achieve faster and more efficient production targets. Manufacturing processes in the plastic field at the present time make products that are in great demand by the public. The development of technology in the dies manufacturing sector due to demands from consumer demand for better quality encourages the Industry to innovate, the process of making dies using metal molds with
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Carrupt, Maria C., and Ana P. Piedade. "Modification of the Cavity of Plastic Injection Molds: A Brief Review of Materials and Influence on the Cooling Rates." Materials 14, no. 23 (2021): 7249. http://dx.doi.org/10.3390/ma14237249.

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In the 21st century, a great percentage of the plastic industry production is associated with both injection molding and extrusion processes. Manufactured plastic components/parts are used in several industry sectors, where the automotive and aeronautic stand out. In the injection process cycle, the cooling step represents 60% to 80% of the total injection process time, and it is used to estimate the production capabilities and costs. Therefore, efforts have been focused on obtaining more efficient cooling systems, seeking the best relationship between the shape, the quantity, and the distribu
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Kuang, Wei Hua, and Fa Piao Li. "Rapid Establishment of 3D Intricate Design Platform Based on Modular Technology by UG." Key Engineering Materials 460-461 (January 2011): 36–39. http://dx.doi.org/10.4028/www.scientific.net/kem.460-461.36.

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In order to solve the problem of 3D intricate product design and mold development, an approach based on UG NX was proposed. The design platform and modular technology of UG MoldWizard were introduced. How to add and edit attributes of the standard part library was explained by using sankyo lifter as example. As an application, a lamp set and its injection mold were rapidly designed by UG MoldWizard. How to patch surfaces, define parting lines and how to extract mold core and mold cavity were illustrated step by step. It proved that UG MoldWizard efficiently promoted work and integrated complex
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Huang, Shih Miao, Rong Yuan Jou, Jui Chang Lin, and King Sun Lee. "Study of Mold Design on SD Card with 3D Mold-Flow Analysis." Key Engineering Materials 364-366 (December 2007): 629–33. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.629.

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This research applies 3D mesh mold-flow analysis to analyze the SD (Secure Digital) card. It aims at temperature of the mold and plastic. The proper mold filling temperature is found by simulation analysis to improve the short shot situation, and seeks the cause of warping via various processed conditions. SD memory card clip has a big variation in thickness. Due to the bigger flow resistance the plastic is difficult to reach thinner portion, even hot plastic is also difficult to supply. The temperature of plastic goes down as a result of the cold mold cavity. Thus, the plastic does not reach
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Hao, Mingliang, and Haimei Li. "Optimization and application of temperature field in rapid heat cycling molding." Thermal Science, no. 00 (2021): 291. http://dx.doi.org/10.2298/tsci210606291h.

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The rapid thermal cycle molding (RHCM) belongs to the injection mold temperature control system which is helpful to improve mold ability and enhance part quality. Despite many available literatures, RHCM does not represent a well-developed area of practice. The challenge is the uneven distribution of temperature in the cavity after heating, which mostly leads to defects on the surface of the products. In order to obtain uniform cavity surface temperature distribution of RHCM, the power of heating rods of the electric-heating system in an injection mold was optimized by the response surface met
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Shashank S, Sudeep I, and Dr. R. Nagaraja. "Design And Plastic Flow Analysis Of a 16-Cavity Injection Mold For a 2-Pole Automobile Wiring Harness Connector." international journal of engineering technology and management sciences 7, no. 5 (2023): 260–68. http://dx.doi.org/10.46647/ijetms.2023.v07i05.030.

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The mold design for automobile wiring harness connectors plays a important role in maintaining the quality of the automotive electronic system. This project aims at a design approach with injection molding machine selection and mold flow analysis for a newly developed 16-cavity mold for a 2-pole automobile wiring harness connector. The designed mold is validated with the Solidworks plastic simulation software to verify the flow parameters such as fill time, ease of fill, cooling channel efficiency and possible defects that might occur such as warpage and shrinking. The calculated data and the
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