Manufacture of centrifugal compressor impeller using FDM and investment casting

Choe, Chol-Min; Yang, Won-Chol; Kim, Un-Ha; Ri, Bok-Gyu; Om, Myong-Song

doi:10.1007/s00170-021-07894-7

Cited by 12 publications

(4 citation statements)

References 21 publications

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“…They compared the results and concluded that the average surface roughness was reduced by 98%. Choe et al (2022) have fabricated an impeller of the centrifugal compressor using an FDM-printed pattern and IC process. Authors have used PolyCast TM VS setup using isopropyl alcohol to produce the finished FDM pattern for impeller IC.…”

Section: Techniques For Improving the Surface Quality Of Additively M...mentioning

confidence: 99%

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A comprehensive review on surface quality improvement methods for additively manufactured parts

Hashmi

Mali

Meena

2022

RPJ

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Purpose The purpose of this paper is to study the functionality of additively manufactured (AM) parts, mainly depending on their dimensional accuracy and surface finish. However, the products manufactured using AM usually suffer from defects like roughness or uneven surfaces. This paper discusses the various surface quality improvement techniques, including how to reduce surface defects, surface roughness and dimensional accuracy of AM parts. Design/methodology/approach There are many different types of popular AM methods. Unfortunately, these AM methods are susceptible to different kinds of surface defects in the product. As a result, pre- and postprocessing efforts and control of various AM process parameters are needed to improve the surface quality and reduce surface roughness. Findings In this paper, the various surface quality improvement methods are categorized based on the type of materials, working principles of AM and types of finishing processes. They have been divided into chemical, thermal, mechanical and hybrid-based categories. Research limitations/implications The review has evaluated the possibility of various surface finishing methods for enhancing the surface quality of AM parts. It has also discussed the research perspective of these methods for surface finishing of AM parts at micro- to nanolevel surface roughness and better dimensional accuracy. Originality/value This paper represents a comprehensive review of surface quality improvement methods for both metals and polymer-based AM parts. Graphical abstract of surface quality improvement methods

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Section: Techniques For Improving the Surface Quality Of Additively M...mentioning

confidence: 99%

“…They compared the results and concluded that the average surface roughness was reduced by 98%. Choe et al (2022) have fabricated an impeller of the centrifugal 7.…”

Section: Techniques For Improving the Surface Quality Of Additively M...mentioning

confidence: 99%

A comprehensive review on surface quality improvement methods for additively manufactured parts

Hashmi

Mali

Meena

2022

RPJ

View full text Add to dashboard Cite

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“…Objectively, improving surface finish by minimizing roughness from the characteristic layering of FDM parts while maintaining component performance as measured by material properties should encourage and enhance the ability to produce functional components for end-use, as well as prototyping. This is relevant not just for home and academic end-user projects, but also for a variety of commercial applications such as creation of tooling for castings where surface finish and structural integrity of FDM-printed blanks is critical to final casting quality (Choe et al , 2022; Tiwary et al , 2019).…”

Section: Key Findings and Recommendationsmentioning

confidence: 99%

Effects of annealing and acetone vapor smoothing on the tensile properties and surface roughness of FDM printed ABS components

Torres

Abo

Sugar

2022

RPJ

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Purpose This study aims to present the optimization of parameters and effects of annealing and vapor smoothing post-processing treatments on the surface roughness and tensile mechanical properties of fused deposition modeling (FDM) printed acrylonitrile butadiene styrene (ABS). Design/methodology/approach Full-factorial test matrices were designed to determine the most effective treatment parameters for post-processing. The parameters for annealing were temperature and time, whereas the parameters for the vapor smoothing were volume of acetone and time. Analysis of surface roughness and tensile test results determined influences of the levels of parameters to find an ideal balance between mechanical properties and roughness. Findings Optimal parameters for vapor smoothing and annealing were determined. Vapor smoothing resulted in significantly higher improvements to surface roughness than annealing. Both treatments generally resulted in decreased mechanical properties. Of all treatments tested, annealing at 100 °C for 60 min provided the greatest benefit to tensile properties and vapor smoothing with 20 mL of acetone for 15 min provided the greatest benefit to surface roughness while balancing effects on properties. Originality/value Vapor smoothing and annealing of FDM ABS have typically been studied independently for their effects on surface roughness and material properties, respectively, with varying materials and manufacturing methods. This study objectively compares the effects of each treatment on both characteristics simultaneously to recommend ideal treatments for maximizing the balance between the final quality and performance of FDM components. The significance of the input variables for each treatment have also been analyzed. These findings should provide value to end-users of 3D printed components seeking to balance these critical aspects of manufacturing.

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“…Решается данная проблема путем интеграции в литейное производство современных аддитивных методов 3D-печати [1; 2]. Это относительно новая производственная технология, которая стала интенсивно развиваться и применяться в различных областях, в том числе и в литейном производстве [3][4][5]. Прямое выращивание выжигаемых моделей не только рентабельно для мелкосерийного и опытного производств, но также способно создавать очень сложные геометрические формы, которые было бы чрезвычайно сложно или слишком дорого получать традиционным способом [6].…”

Section: Introductionunclassified

Consumable additive FDM models in the production of aluminum alloy castings

Varfolomeev,

Petrov

2023

Izv.VUZ. Tsvet. Met.

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This article describes the results of a study aimed at improving production technology of experimental castings from aluminum alloys by investment casting using models produced by 3D printing. The consumable models were produced using fused deposition modeling (FDM). Biodegradable polylactide (PLA) was used as a material for the models. In order to decrease the surface roughness of consumable PLA model. chemical post-treatment by dichloromethane needs to be performed. After immersion of the model into the solvent for 10s, its surface becomes smooth and glossy. Three-point static bending tests of PLA plates demonstrated a mechanical strength of average ~45.1 MPa. A thermomechanical analysis of polylactide demonstrated that in the course of heating of ceramic shell in excess of 150 °C, the polylactide model begins to expand intensively by exerting significant pressure on the ceramic shell. In order to decrease stress during the removal of polylactide model from ceramic mold, the heating time in the range of 150–300 °C needs to be heated to a maximum. The use of hollow consumable casting models with a cellular structure not higher than 30 % is also sensible. The stresses on the shell will not exceed its strength. Characteristic temperature properties of PLA plastic thermal destruction were detected using thermogravimetric analysis. Polylactide was established to completely burn out upon heating to 500 °C leaving no ash residue. Analysis of the results identified the burning modes of polylactide models from ceramic molds. Using a Picaso 3D Designer printer (Russia), the PLA models were printed used for production of experimental castings from aluminum alloys. It was revealed that the surface roughness (Ra) of a casting produced using a consumable model treated by dichloromethane decreases by 81.75 %: from 13.7 to 2.5 μm.

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Manufacture of centrifugal compressor impeller using FDM and investment casting

Cited by 12 publications

References 21 publications

A comprehensive review on surface quality improvement methods for additively manufactured parts

A comprehensive review on surface quality improvement methods for additively manufactured parts

Effects of annealing and acetone vapor smoothing on the tensile properties and surface roughness of FDM printed ABS components

Consumable additive FDM models in the production of aluminum alloy castings

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