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Journal articles on the topic 'Molding surface'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Czyżewski, Piotr, Dariusz Sykutera, and Mateusz Rojewski. "The Impact of Selected Laser-Marking Parameters and Surface Conditions on White Polypropylene Moldings." Polymers 14, no. 9 (2022): 1879. http://dx.doi.org/10.3390/polym14091879.

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Laser marking of polymer materials is a technology that is increasingly used in industry. Polypropylene (PP) shows a low ability to absorb electromagnetic radiation in the near-infrared range (λ = 1064 nm). The paper presents the influence of the surface condition of white-colored polypropylene moldings on the efficiency of their marking with a laser beam. In addition, the operation of the commercial laser marking additive (LMA) Lifolas M 117009 UN, intended to support the process of laser marking of polyolefin surfaces, was verified. The study is an attempt to combine laser operating paramete

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2

Tedde, Giovanni Matteo, Denise Bellisario, Loredana Santo, and Fabrizio Quadrini. "Microsculpturing of Polymeric Surfaces by Compression Molding." Key Engineering Materials 699 (July 2016): 49–56. http://dx.doi.org/10.4028/www.scientific.net/kem.699.49.

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Surface micropatterning of polymers is an important process in a large number of applications ranging from microelectronics, sensors design and material science, to tissue engineering and cell biology. In this study a simple and versatile method for manufacturing micro-scale polymer surface patterns has been developed. Micropatterned surfaces of acrylonitrile-butadiene–styrene (ABS) were engineered by compression molding. Two different micropatterned surfaces were fabricated using diverse molds. The first micropatterning was achieved on a brass mold by the intersection of instrumented microind

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3

Lee, H. K., G. E. Yang, and Hong Gun Kim. "Molding Characteristics of Etched Surface Pattern in Polymers." Key Engineering Materials 306-308 (March 2006): 1001–6. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.1001.

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Molding characteristics are presented for the surface pattern of polymeric materials in injection molding. They are related to the polymer properties and surface roughness of the etched mold. The polymer structure and the mold roughness can affect roughness deviation and surface duplication quality on polymers. Experiments are performed with respect to the surface roughness analysis. It is expected that the duplication properties can contribute to molding process of surface pattern in injection molding.

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Kim, Hyoung-Seok, Jin-Woo Kim, Yong-Jae Kim, and Dong-Gi Lee. "Effects of Molding Condition on Surface Unevenness of GMT-Sheet Moldings." Journal of The Korean Society for Composite Materials 23, no. 5 (2010): 30–38. http://dx.doi.org/10.7234/kscm.2010.23.5.030.

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Lee, H. K., J. C. Huang, G. E. Yang, and Hong Gun Kim. "Analysis of Residual Stress in Thin Wall Injection Molding." Key Engineering Materials 306-308 (March 2006): 1331–36. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.1331.

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A relationship of residual stress distribution and surface molding states on polymeric materials is presented in thin-walled injection molding. The residual stress is computed by computational numerical analysis, observed with stress viewer and birefringence. The residual stress on polymeric parts can allude the surface quality as well as flow paths. The residual stress distribution on polymeric parts is related with thickness, gate layout, and polymer types. Molecular orientation on polymeric parts is also important in thin wall injection molding. The residual stress and molecular orientation

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Lee, H. K., G. E. Yang, and Hong Gun Kim. "Residual Stress and Surface Molding Conditions in Thin Wall Injection Molding." Advanced Materials Research 9 (September 2005): 137–42. http://dx.doi.org/10.4028/www.scientific.net/amr.9.137.

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Residual stress distribution and surface molding state of polymeric materials are presented for thin-walled injection molding. The residual stress is computed by computational numerical analysis, observed with a stress viewer and birefringence. The residual stress on the surface of the polymeric part can indicate the surface quality as well as flow paths. The residual stress distribution of the polymeric part is related with the part’s thickness, the gate layout, and the polymer type. Molecular orientation, affected by flow paths, is simulated and validated by observing the birefringence of th

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Li, Jian, Xun Zhang Yu, and Kai Zhang. "Research on the Molding Parameters for Low Pressure Sheet Molding Compounds." Applied Mechanics and Materials 44-47 (December 2010): 2612–16. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.2612.

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Molding parameters are significant for compression molding. In this paper, the molding process for low pressure sheet molding compounds thickened by crystalline unsaturated polyester was investigated. The optimal molding parameters such as molding temperature, molding pressure and curing time were determined by orthogonal test. And the effect of molding parameters on flexural strength and surface quality of molded parts were also studied. Results showed that when the molding temperature was 115°C, the pressure adding time was beginning at 15s after LPMC was put into the die cavity, the moving

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Zimmermann, Philipp, Daniel Schletz, Marisa Hoffmann, Patrick T. Probst, Andreas Fery, and Jürgen Nagel. "Molding Process Retaining Gold Nanoparticle Assembly Structures during Transfer to a Polycarbonate Surface." Polymers 16, no. 11 (2024): 1553. http://dx.doi.org/10.3390/polym16111553.

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The immobilization of gold nanoparticle (AuNP) linear surface assemblies on polycarbonate (PC) melt surface via molding is investigated. The order of the particle assemblies is preserved during the molding process. The assemblies on PC exhibit plasmonic coupling features and dichroic properties. The structure of the assemblies is quantified based on Scanning Electron Microscopy (SEM) and image analysis data using an orientational order parameter. The transfer process from mold to melt shows high structural fidelity. The order parameter of around 0.98 reflects the orientation of the lines and r

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9

Maghsoudi, Khosrow, Gelareh Momen, Reza Jafari, Masoud Farzaneh, and Tony Carreira. "Micro-Nanostructured Silicone Rubber Surfaces Using Compression Molding." Materials Science Forum 941 (December 2018): 1802–7. http://dx.doi.org/10.4028/www.scientific.net/msf.941.1802.

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A facile method is introduced for production of micro-nanostructured silicone rubber surfaces by means of direct replication using a compression molding system. The fabricated samples possessing surface roughness display water contact angle of more than 160o and contact angle hysteresis (CAH) and sliding angle of less than 5o. Such low surface wettability of silicone specimens verifies the induced superhydrophobic property. Chemically etched aluminum surfaces could work excellently as templates whose patterns were replicated on the rubber surfaces successfully. Various etching conditions were

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10

UCHIUMI, KAZUYASU, TETSUO TAKAYAMA, HIROSHI ITO, and AKINORI INOU. "SURFACE REPLICATION OF MOLDED PRODUCTS WITH MICRONEEDLE FEATURES IN INJECTION MOLDING." International Journal of Modern Physics: Conference Series 06 (January 2012): 166–71. http://dx.doi.org/10.1142/s2010194512003121.

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Micro-molding of microneedle features was conducted using several injection-molding techniques. Injection compression molding and injection molding were performed with supercritical carbon dioxide fluid and with or without vacuum processing inside the mold cavity. Effects of process parameters on processability and surface replication of the molded parts were evaluated. The height replication ratio for microneedles was improved using injection compression molding. At a shorter compression stroke, the needle height was improved, and the influence of compression delay time was also small. Moreov

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Liu, Yong Feng, Kai Qi Liu, Zhen Yu Zeng, and Yong Bing Yuan. "Microstructure Analysis of SiC Ceramic Support by Isostatic Processing." Key Engineering Materials 633 (November 2014): 45–48. http://dx.doi.org/10.4028/www.scientific.net/kem.633.45.

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Ceramic supports were prepared by isostatic pressing, and were compared with commercially available ceramic support by extrusion molding process. Results show that structures of section, inner surface and outer surface keep uniform, and the pore is obvious in section, also on the inner surface and outer surface. While supports by extrusion molding process show great differences between internal and surface in structures. During the extrusion molding process, the orientation and rearrangement phenomenon of particle and powder occur obviously under the action of friction and boundary effect, whi

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12

Nagel, Jürgen, Philipp Zimmermann, Simona Schwarz, and Kornelia Schlenstedt. "Selective Grafting of Polyamines to Polyether Ether Ketone Surface during Molding and Its Use for Chemical Plating." Coatings 8, no. 10 (2018): 333. http://dx.doi.org/10.3390/coatings8100333.

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We present a new approach of surface functionalization of polyether ether ketone (PEEK) that is carried out during the molding step. Thin films of polymers with different functional groups were applied to the surface of a mold and brought in close contact with a PEEK melt during injection molding. The surfaces of the produced parts were characterized after solidification. Only those PEEK surfaces that were in contact with polymers bearing primary amino groups exhibited a wettability for water. Obviously, the thin polymer film was grafted to the surface by a chemical reaction initiated by the h

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13

Liu, Gang, Anh-Tuan Vu, Olaf Dambon, and Fritz Klocke. "Glass Material Modeling and its Molding Behavior." MRS Advances 2, no. 16 (2017): 875–85. http://dx.doi.org/10.1557/adv.2017.64.

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ABSTRACTPrecision molding is a replicative production method for the mass production of complex glass optics in high precision. In contrast to the traditional material removal process, such as grinding and polishing, the surface as well as the entire shape of the optical component is created by deforming glass at elevated temperatures using precise molding tools with optical surfaces. The molded glass components present high shape accuracy and surface finish after the molding process, therefore no further processing is required. During the molding process, the glass is heated in the molding to

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14

Lebon, Nicolas, and Laurent Tapie. "Biomaterials Surface Integrity." Crystals 12, no. 4 (2022): 438. http://dx.doi.org/10.3390/cryst12040438.

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15

Theilade, Uffe Arlø, and Hans Nørgaard Hansen. "Surface microstructure replication in injection molding." International Journal of Advanced Manufacturing Technology 33, no. 1-2 (2006): 157–66. http://dx.doi.org/10.1007/s00170-006-0732-y.

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16

Wu, Da Wei, Xiao Fei Ding, and Gang Tong. "Surface Design of Molding Tool for Composite Component Based on Reverse Engineering." Advanced Materials Research 503-504 (April 2012): 215–18. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.215.

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This paper analyzes the structure of molding tool for composite component, and proposes a method of surface design of molding tool based on reverse engineering. By using handy laser scanner, the point cloud data is obtained from the composite component, which is processed in Geomagic Studio. Then the processed data is imported into CATIA for Surface fitting. The surface of molding tool for composite component is rapidly and accurately designed by analyzing 3D error and comparing cross-sectional data.

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Hobæk, Thor Christian, Henrik J. Pranov, and Niels B. Larsen. "Immobilization of Active Antibodies at Polymer Melt Surfaces during Injection Molding." Polymers 14, no. 20 (2022): 4426. http://dx.doi.org/10.3390/polym14204426.

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We demonstrate the transfer and immobilization of active antibodies from a low surface- energy mold surface to thermoplastic replica surfaces using injection molding, and we investigate the process at molecular scale. The transfer process is highly efficient, as verified by atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS) of the mold and replica surfaces. AFM analysis reveals partial nanometer-scale embedding of the protein into the polymer matrix as a possible mechanism of permanent immobilization. Replicas with rabbit anti-mouse IgG immobilized as capture antibody at

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18

Tanaka, C. "Development of injection molding process by molding surface coating for heat insulation." JSAE Review 20, no. 1 (1999): 129–32. http://dx.doi.org/10.1016/s0389-4304(98)00048-4.

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19

Wang, Yue, and Guang Hong Hu. "Research Progress of Improving Surface Quality of Microcellular Foam Injection Parts." Applied Mechanics and Materials 66-68 (July 2011): 2010–16. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.2010.

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Microcellular foam injection parts have many advantages such as saving material and energy, reducing cycle time, and processing excellent dimensional stability. Despite these advantages, the low surface quality problems limit its application scope seriously. In this study, the microcellular foam injection molding principle and some surface defects were introduced, and the technologies to improve surface quality, such as Gas Counter Pressure (GCP), Rapid Heat Cycle Molding (RHCM), and Film Insulation were summarized in detail. Finally, the prospect of CAE technologies about microcellular foam i

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20

TANG, YUZHAO, XIAODONG ZHANG, JIELIN SUN, JUN HU, FENG ZHANG, and JIANHUA HE. "PEPTIDE NANOFILAMENTS USED FOR REPLICA-MOLDING: A COMBINATION OF "BOTTOM-UP" AND "TOP-DOWN"." Surface Review and Letters 14, no. 02 (2007): 301–7. http://dx.doi.org/10.1142/s0218625x07009396.

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A novel nanofabrication method that combines both "bottom-up" (template-assisted peptide self-assembling) and "top-down" (replica molding) techniques is introduced. A designer peptide, GAV-9 (NH2-VGGAVVAGV-CONH2), can epitaxially self-assemble into nanofilaments on the surface of mica, which is further used as the diversified masters for the application of replica molding. With in situ atomic force microscopy monitoring, several typical masters are fabricated by peptide self-assembling on the surface of mica. These masters can be easily molded into hard poly(dimethylsiloxane) surfaces, and the

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Liparoti, Sara, Vito Speranza, and Roberto Pantani. "Replication of Micro- and Nanofeatures in Injection Molding of Two PLA Grades with Rapid Surface-Temperature Modulation." Materials 11, no. 8 (2018): 1442. http://dx.doi.org/10.3390/ma11081442.

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The production by injection molding of polymeric components having micro- and nanometrical surfaces is a complex task. Generally, the accurate replication of micro- and nanometrical features on the polymeric surface during the injection-molding process is prevented by of the low mold temperature adopted to reduce cooling time. In this work, we adopt a system that allows fast heating of the cavity surface during the time the melt reaches the cavity, and fast cooling after heater deactivation. A nickel insert with micro- and nanofeatures in relief is located on the cavity surface. Replication ac

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22

Haluzíková, B., Jan Valíček, P. Škubala, et al. "Identification of Surface Quality of Plastic Electrodes after Blasting." Defect and Diffusion Forum 334-335 (February 2013): 71–76. http://dx.doi.org/10.4028/www.scientific.net/ddf.334-335.71.

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Nowadays, plastics have become one of the most demanded materials, replacing the traditional ones such as metals. Therefore, many companies are concerned with the production of plastics, with their distribution and innovation development. Plastics have found utility in a wide range of applications, we use them every day. Measurement of surface roughness of plastic moldings produced by the injection molding process was carried out by a contact profilometer Mitutoyo Surftest SJ401. A reason for this measurement is to obtain information about surface roughness. For further technical adjustment is

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23

Gou, Gang, Peng Cheng Xie, Zhen Xing Wen, Yu Mei Ding, and Wei Min Yang. "Study on the Surface Treatment of Special Screw for Light Guiding Plate’s Precision Injection Molding." Advanced Materials Research 221 (March 2011): 123–28. http://dx.doi.org/10.4028/www.scientific.net/amr.221.123.

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Defects such as black spots and yellow surfaces appeared in the process of injection molding light guiding plate as a result of the failure surfaces of the screw and screw tip. To choose and optimize the solutions of different surface treatments of the special screw for light guiding plate, the stripping performance testing platform was established. The experimental results showed that TiN and TiAlN or similar coatings by physical vapor deposition could significantly reduce the adhesion force between polycarbonate (PC) and different coatings. Through surface topography analysis of diversified

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Kajikawa, Shohei, and Takashi Iizuka. "Hot Press Moldability of Bamboo Powder without Additives." Key Engineering Materials 611-612 (May 2014): 852–58. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.852.

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The hot press moldability of bamboo powder without additives was investigated in this study. Bamboo powder was hot pressed into self-bonded cylindrical moldings at temperatures of 160 to 200 oC and pressing times of 1 to 20 min at a punch surface pressure of 200 MPa. After pressing, the color, density and bending properties of the moldings were evaluated. The bending strength, bending elastic modulus and density were found to increase with an increase in temperature, and moldings having good mechanical properties were obtained at a temperature of 200 oC. With respect to the influence of hot pr

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Li, Ren Xing, Ze Wang, Dong Mei Su, et al. "Rapid Design of Injection Molding of Plastic Buckle." Applied Mechanics and Materials 602-605 (August 2014): 69–72. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.69.

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In order to achieve higher speed and better efficiency of the plastic buckle molding, Imageware, the reverse design software, was adopted in this paper to process the point cloud data of the plastic buckle, mesh feature lines and reconstruct the surface,and then the reconstructed plastic buckle model was imported into UG and saved in STL format with the powerful surface repair function of UG to suture discontinuous surfaces. Mold Wizards of UG, the mold design module, was used to create mold assembly model, design parting surface, generate three-dimensional solid model of molding parts accordi

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Zhu, Junjie, Zhiwen Qiu, and Wenhan Huang. "Development and Application of High-gloss Injection Molding Technology." Journal of Physics: Conference Series 2206, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1742-6596/2206/1/012016.

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Abstract High-gloss injection molding technology is a new green injection molding technology based on dynamic mold temperature control strategy. Compared with the traditional injection molding technology, this technology can obviously improve the surface quality of products, and obtain high quality products with high gloss and no weld line. This paper introduces the principle and technological characteristics of high-gloss injection molding, analyzes the key technology and development of high-gloss injection molding. The key technologies of high-gloss injection molding mainly include high-glos

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Shang, Ce, Hongyao Shen, Jianzhong Fu, Yangfan Sun, Shuhua Yue, and Jianfeng Zhang. "Five-Axis Tool Path Generation of Injection Mold Represented by T-Spline Surface." Advances in Polymer Technology 2020 (March 9, 2020): 1–11. http://dx.doi.org/10.1155/2020/2075434.

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Injection molding is widely used in industries to produce polymeric products. At present, compound NURBS surfaces are commonly used to represent freeform surfaces in mold models. This work uses T-spline surface with extraordinary control points instead of NURBS to represent freeform surfaces in mold models. Compared with NURBS, T-splines’ higher-order continuity facilitates the mold quality control especially at the patch boundary. And, its patch layout information can be utilized for tool path planning. We propose an algorithm to determine the patch processing order and generate nonretraction

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Burggräf, Peter, Georg Bergweiler, Josef Andrew Abrams, and Anna Dunst. "Additive Surface Graining in Prototype Tooling for Injection Molding." Journal of Manufacturing and Materials Processing 6, no. 3 (2022): 54. http://dx.doi.org/10.3390/jmmp6030054.

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Surface properties of injection molded parts have a strong effect on the visual and haptic perception of the parts by customers. Especially for injection molded automotive interior parts, grained surfaces can often be found. In conventional tooling, graining requires separate process steps. This makes the realization of grained injection molded prototype parts very complex. By additive manufacturing of injection molds in prototype tooling, it is possible to print micro structures into the mold surface in one printing operation. An injection mold with four different graining structures varying

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Murata, Yasuhiko, Ryunosuke Machiya, and Takuma Komori. "Influence of Processing Conditions on the Generation of Surface Defects in a Heat-and-Cool Hybrid Injection Molding Technique for Carbon Fiber-Reinforced Thermoplastic Sheets and Development of a Suitable Mold Heated by Far-Infrared Radiation." Polymers 15, no. 22 (2023): 4437. http://dx.doi.org/10.3390/polym15224437.

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Recently, hybrid injection molding—a type of overmolding technology in which a short carbon fiber-reinforced thermoplastic is injection molded over a compression-molded carbon fiber-reinforced thermoplastic (CFRTP) sheet—has been introduced. A heat-and-cool hybrid injection molding technique has also been introduced for practical use. The technique yields high-quality molded products. This is achieved through the heating of the mold cavity surface to a temperature higher than the melting point of the base polymer impregnated into the carbon fiber fabric. However, few experimental analyses of t

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Asgar, Md Ali, Jun Kim, Muhammad Refatul Haq, Taekyung Kim, and Seok-min Kim. "A Comprehensive Review of Micro/Nano Precision Glass Molding Molds and Their Fabrication Methods." Micromachines 12, no. 7 (2021): 812. http://dx.doi.org/10.3390/mi12070812.

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Micro/nano-precision glass molding (MNPGM) is an efficient approach for manufacturing micro/nanostructured glass components with intricate geometry and a high-quality optical finish. In MNPGM, the mold, which directly imprints the desired pattern on the glass substrate, is a key component. To date, a wide variety of mold inserts have been utilized in MNPGM. The aim of this article is to review the latest advances in molds for MNPGM and their fabrication methods. Surface finishing is specifically addressed because molded glass is usually intended for optical applications in which the surface ro

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Kim, Hyoung-Seok, Jin-Woo Kim, Yong-Jae Kim, and Dong-Gi Lee. "Effects of Molding Condition on Surface Unevenness of GFRP Composites in Compression Molding." Transactions of the Korean Society of Mechanical Engineers A 34, no. 11 (2010): 1649–57. http://dx.doi.org/10.3795/ksme-a.2010.34.11.1649.

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McEwen, D. J., and J. Newbould. "The effects of molding conditions on the surface composition of sheet molding compound." Polymer Composites 12, no. 5 (1991): 315–19. http://dx.doi.org/10.1002/pc.750120504.

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Dziewatkoski, Nicholas A., Jingyi Xu, L. James Lee, and Jose Castro. "Effect of two stage pressure molding on surface quality of sheet molding compounds." Polymer Composites 15, no. 2 (1994): 106–17. http://dx.doi.org/10.1002/pc.750150204.

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Crema, Luca, and Giovanni Lucchetta. "A Study of Mold Friction and Wear in Injection Molding of Plastic-Bonded Hard Ferrite." Key Engineering Materials 611-612 (May 2014): 460–72. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.460.

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In injection molding of highly filled polymers, such as plastic-bonded hard ferrite, mold life decreases significantly due to wear and surface damage. This deterioration process leads to lower accuracy concerning the surface finish and the dimensional and geometric tolerance of the molded bonded magnets. In this work, the wear of a steel mold caused by the molding of a plastic-bonded ferrite magnet has been studied with the aim of determining the main wear factors. Furthermore, two different surface treatments have been tested, namely gas nitriding and DLC superlattice coating. Friction and we

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Li, Ji Quan, Chuan Chen, Shao Fei Jiang, Guo Zhong Chai, and Zhi Biao Lian. "Effects of Process Parameters on Surface Gloss in Rapid Heat Cycle Molding Process." Advanced Materials Research 497 (April 2012): 132–36. http://dx.doi.org/10.4028/www.scientific.net/amr.497.132.

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process parameters; surface gloss; Rapid Heat Cycle Molding Abstract: Rapid Heat Cycle Molding is a novel injection molding, which may improve product surface quality effectively. In this paper, one-factor experimental design and Taguchi method were used and the influence of different process parameters (mold heating temperature, melt temperature, injection rate, injection pressure, and packing pressure) on surface gloss of injection product was studied. The results showed that temperature is the significant factor to the surface gloss. Mold heating temperature is principal factor in mold proc

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Liparoti, Sara, Vito Speranza, Roberto Pantani, and Giuseppe Titomanlio. "Multi-Scale Simulation of Injection Molding Process with Micro–Features Replication: Relevance of Rheological Behaviour and Crystallization." Polymers 13, no. 19 (2021): 3236. http://dx.doi.org/10.3390/polym13193236.

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The possibility of tailoring key surface properties through the injection molding process makes it intriguing from the perspective of sustainability enhancement. The surface properties depend on the replication accuracy of micro and nanostructures on moldings; such an accuracy is enhanced with cavity temperature. The simulation of the injection molding process is very challenging in the presence of micro and nanostructures on the cavity surface; this does not allow for the neglect of phenomena generally considered not to influence the overall process. In this paper, a multiscale approach was p

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Ningrum, Bella Cahya, Yulianto Yulianto, and Sungkono Sungkono. "Sistem Kontrol Torsi Motor Extruder Mesin Molding Microplastic Metode Fuzzy Logic Berbasis NI MyRio 1900." Jurnal Elektronika dan Otomasi Industri 8, no. 3 (2021): 190. http://dx.doi.org/10.33795/elk.v8i3.255.

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Kemajuan teknologi dalam bidang Industri semakin pesat. Perubahan pola dan cara produksi di Industri saat ini menjadi otomatis yang awalnya manual tenaga manusia. Termasuk pada proses pencetakan barang, kini pencetakan barang beralih ke sistem automasi yang lebih cepat dan efisien untuk menghasilkan produknya. Salah satu sistem cetak yang bekerja secara automasi yaitu injeksi molding. Mesin injeksi molding digunakan untuk mendukung program Teaching Factory. Mesin molding mikroplastik merupakan versi mini dari mesin injeksi molding mikroplastik industri. Dengan prinsip kerja yang sama yaitu mem

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Li, Yanlong, Kangsen Li, and Feng Gong. "Fabrication and Optical Characterization of Polymeric Aspherical Microlens Array Using Hot Embossing Technology." Applied Sciences 11, no. 2 (2021): 882. http://dx.doi.org/10.3390/app11020882.

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Hot embossing has been widely used in fabricating microlens arrays because of its low cost, high efficiency, and high quality. The process parameters such as molding temperature, molding pressure, and holding temperature affect the microlens array’s replication quality. This work selected the stainless steel S136H tool steel as the mold material to process an aspheric microlens array structure through ultra-precision milling. Polymethyl methacrylate (PMMA) microlens arrays with different surface replication were prepared by controlling the molding temperature, molding pressure, and holding tem

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Amano, Akira. "Nano-Level Surface Machining for Molding Die." Seikei-Kakou 21, no. 4 (2009): 172–77. http://dx.doi.org/10.4325/seikeikakou.21.172.

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Schomburg, W. K., R. Ahrens, W. Bacher, J. Martin, and V. Saile. "AMANDA—surface micromachining, molding, and diaphragm transfer." Sensors and Actuators A: Physical 76, no. 1-3 (1999): 343–48. http://dx.doi.org/10.1016/s0924-4247(98)00292-1.

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Zhang, H. L., N. S. Ong, and Y. C. Lam. "Effects of surface roughness on microinjection molding." Polymer Engineering & Science 47, no. 12 (2007): 2012–19. http://dx.doi.org/10.1002/pen.20904.

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De, Xuehong, Bowen Zhang, Wenbin Guo, Jiawei Yang, Jianchao Zhang, and Xiaomin Zhai. "Surface morphology of blended molding pellets made of desert caragana and maize stover." BioResources 18, no. 2 (2023): 3019–32. http://dx.doi.org/10.15376/biores.18.2.3019-3032.

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The surface morphology of biomass pellets can provide data for the contact mechanics fractal model between the molding pellet and hole in biomass molding machines and for predicting wear of the molding hole. In this study, desert caragana (Caragana korshinskii) was mixed with residue from maize production, crushed, and compressed into pellets, which were used to collect data on their circumferential surface roughness profile, density, diameter, and hardness. The results showed that frictional wear occurs during contact between the forming hole and the molding particles, increasing the diameter

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Zhang, Jia Min, Ming Yi Zhu, and Zhao Xun Lian. "Improvement on Impact Strength of the Nylon 1010 Injection Products with Inlay." Advanced Materials Research 239-242 (May 2011): 1137–40. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1137.

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Combining the characteristics of silver inserts, it was tested that its molding process and impact strength from the PA1010 injection molding product's craft. A kind of effective method was found that make sure silver embedded parts not occur surface color as injection heat and determined the reasonable injection molding craft. Meanwhile measuring impact strength of the nylon 1010 injection molding products through the impact test, It was discovered that injection products could well meet the assembly convenient, reliable and the electric conduction needs after inserting the embedded parts in

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He, Jian Yun, Yuan Yu, Ruo Yun Wang, et al. "Research on the UV-Curing Injection Molding." Applied Mechanics and Materials 651-653 (September 2014): 177–80. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.177.

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Based on the combination of UV curing and injection molding, a new concept named "chemical manufacturing" is proposed in this paper. A cylinder with a diameter of 6mm and a height of 10mm was used as the molding sample;A single factor analysis was used to determine the effects of the intensity of ultraviolet, the duration of ultraviolet irradiation and the distance between UVLED device and product surface on the formability of UV-curing injection molding. The experimental results showed that the intensity of UV radiation, the UV irradiation duration and the distance between UVLED device and pr

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Aprianto, Moh Riski, Muhammad Rifa'i, and Hari Kurnia Safitri. "Sistem Kontrol Suhu Extruder Mesin Molding Microplastic Metode PID Berbasis PLC." Jurnal Elektronika dan Otomasi Industri 9, no. 1 (2022): 55. http://dx.doi.org/10.33795/elk.v9i1.290.

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Intisari— Perkembangan teknologi yang semakin canggih pada industri percetakan barang berbahan plastik mengakibatkan bertambahnya permintaan jumlah produksi dalam waktu yang singkat. Salah satu cara mengatasi masalah tersebut adalah membuat mesin injeksi molding. Mesin molding microplastic merupakan mesin injeksi molding yang bertujuan untuk media pembelajaran dengan ukuran yang diperkecil akan tetapi prinsip kerja yang sama. Salah satu bagian dari mesin molding microplastic yang perlu diperhatikan adalah suhu pada extruder. Suhu pada extruder dipanaskan oleh band heater dan suhu harus terjaga

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Li, Hailiang, Hongxuan Wang, Weisheng Sun, Chun Wang, Haitian Sun, and Haiming Yu. "Proportion and Performance Optimization of Biomass Seedling Trays Based on Response Surface Analysis." Sustainability 16, no. 3 (2024): 1103. http://dx.doi.org/10.3390/su16031103.

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Nursery trays are essential agricultural tools in rice production. Plastic nursery trays pose problems such as resource waste and environmental pollution. Biomass seedling trays are an effective way to achieve sustainable agricultural development. Previous research has been conducted on biomass seedling tray molding equipment and molding process, but the impact of raw material ratio on seedling tray molding quality and seedling growth is still unclear, and the ratio combination still needs further optimization. In this study, we used slurry concentration, pulp content, adhesive content, and th

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Tran, Ngoc Tu, Andreas Seefried, and Michael Gehde. "Investigation of the Influence of Fiber Content, Processing Conditions and Surface Roughness on the Polymer Filling Behavior in Thermoset Injection Molding." Polymers 15, no. 5 (2023): 1244. http://dx.doi.org/10.3390/polym15051244.

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A completely opposite injection molding filling behavior of thermosets and thermoplastics by an effective and useful method developed by the authors was found. Specifically, for the thermoset injection molding, there is a strong slip between the thermoset melt and wall surface, which is not found for the injection molding of thermoplastic materials. In addition, the variables, such as the filler content, the mold temperature, the injection speed, and the surface roughness that could lead to or influence the slip phenomenon of thermoset injection molding compounds, were also investigated. Furth

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Najmabadi, Peyman, Kwang-Seuk Ko, James J. La Clair, and Michael D. Burkart. "A Method for Fabrication of Polycarbonate-Based Bioactive Platforms." JALA: Journal of the Association for Laboratory Automation 13, no. 5 (2008): 284–88. http://dx.doi.org/10.1016/j.jala.2008.07.003.

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Surface-based assays have been used extensively for the functional and structural analysis of biomolecules such as DNA or proteins. These experiments are established by the analysis of binding between acceptor molecules and immobilized receptors on a platform. Site-specific printing of receptor molecules on gold, glass, or polycarbonate (PC) surfaces is conventionally performed by the chemical derivatization of a surface, priming it to covalently bind to subsequently deposited receptor molecules. Unlike conventional methods, we have developed a new fabrication method for bioactive PC surfaces

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Kovačević, Aleksander G., Suzana Petrović, Alexandros Mimidis, Emmanuel Stratakis, Dejan Pantelić, and Branko Kolaric. "Molding Wetting by Laser-Induced Nanostructures." Applied Sciences 10, no. 17 (2020): 6008. http://dx.doi.org/10.3390/app10176008.

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The influence of material characteristics—i.e., type or surface texture—to wetting properties is nowadays increased by the implementation of ultrafast lasers for nanostructuring. In this account, we exposed multilayer thin metal film samples of different materials to a femtosecond laser beam at a 1030 nm wavelength. The interaction generated high-quality laser-induced periodic surface structures (LIPSS) of spatial periods between 740 and 790 nm and with maximal average corrugation height below 100 nm. The contact angle (CA) values of the water droplets on the surface were estimated and the val

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Shinozaki, Akira, and Yoshiharu Namba. "Diamond Tool Wear in the Ultra-Precision Cutting of Large Electroless Nickel Coated Molding Dies." International Journal of Automation Technology 5, no. 3 (2011): 283–88. http://dx.doi.org/10.20965/ijat.2011.p0283.

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In recent years, in a field of space science, large and high precision aspherical molding dies which are used to make aspherical thin foil mirrors for the hard Xray telescope are needed. Therefore to establish the ultra-precision cutting method for these dies is overly expected. In the actual manufacturing, the largemolding die is required to have both high accurate shape accuracy and very small surface roughness as the finished product. To machine the large molding die which has these high accuracies, we should know factors to cause various errors such as shape error and surface roughness and

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