Additive manufacturing of metal-bonded grinding tools

Denkena, Berend; Krödel, Alexander; Harmes, Jan; Kempf, Fabian Leander; Griemsmann, Tjorben; Hoff, Christian; Hermsdorf, Jörg; Kaierle, Stefan

doi:10.1007/s00170-020-05199-9

Cited by 22 publications

(8 citation statements)

References 22 publications

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“…Pore structure is an important feature of abrasive tool, its purpose is to increase the chip holding space and dressing ability of abrasive tool, and improve self-sharpening. 31 Comparing the pore structure of the gel abrasive tool and the hot-pressing abrasive tool, it can be seen from Fig. 12 that a large number of capillary pores are formed on the surface of the gel abrasive tools.…”

Section: Preparation and Performance Test Of Gel Abrasive Toolsmentioning

confidence: 99%

Fabrication and Application of Gel Forming Ultrafine Diamond Abrasive Tools

Feng

Lyu

Zhao

et al. 2021

ECS J. Solid State Sci. Technol.

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To solve the problem of phase agglomeration and microstructure inconsistency in the conventional powder pressing method of ultrafine diamond abrasive tool, a fabrication method of ultrafine diamond abrasive tool based on gel forming was proposed. The gel experiments of polyvinyl alcohol (PVA) and phenolic resin (PF) were carried out, and the basic physicochemical properties of the gel were tested by SEM, IR and TGA. The mechanical properties of gel forming and hot pressing forming abrasive tools were Compared. The polishing experiments of the gel abrasive tool and the hot-pressing abrasive tool were carried out. The results showed that when the PF/PVA ratio was between 5:1 and 10:1, the porous network gel structure was formed. The IR and TGA analysis indicated that the molecular crosslinking of PF and PVA occurred after gel. Compared with hot pressing abrasive samples, the abrasive distributions of gel abrasive samples were more uniform. The supersmooth surface of the SiC flat mirror with surface roughness Ra below 3 nm was obtained by the gel abrasive tool, which was better than by hot pressing abrasive tool. The surface flatness value PV 0.213 μm could be obtained by using the gel abrasive tool with low PVA content.

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Section: Preparation and Performance Test Of Gel Abrasive Toolsmentioning

confidence: 99%

Fabrication and Application of Gel Forming Ultrafine Diamond Abrasive Tools

Feng

Lyu

Zhao

et al. 2021

ECS J. Solid State Sci. Technol.

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“…They compared the results of both wheels in terms of wheel loading, wheel wear and surface roughness and concluded that the wheel having coolant channels performed significantly better than the wheel without coolant channels. To address the disadvantage of a metal bond grinding wheel, which is the lack of coolant transportation in the grinding zone, Denkena et al 195 applied the laser powder-based fusion AM method to introduce pores in the metal bond layer of the grinding wheel. Likewise, to increase the amount of cutting fluid in the grinding zone, Li et al 196 fabricated the porous metal bonded grinding wheels having octahedron and honeycomb structures using the Selective laser melting technique.…”

Section: D Printing Of Grinding Wheelsmentioning

confidence: 99%

A comprehensive review on the grinding process: Advancements, applications and challenges

Kishore

Sinha

Singh

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications such as aerospace, defence and automobiles. This review article is focused to uncover history, witness the present and predict the future of the grinding process. While going through the literature, it has been observed that minimal work has been done in explaining the history, present status and future scopes of the grinding process. In this era of information and environmental awareness, sustainability aspects have become a primary concern of almost every research field. In the grinding process too, the research work includes ecological elements such as reducing the consumption of cutting fluids through minimum quantity lubrication, utilizing cryogenics, hybrid lubrication and cooling techniques that are still required to be explored critically. Further, some significant findings of the prevailing research in grinding include modification in grinding wheel surface, merging different grinding principles such as usages of the textured grinding wheel, ultrasonic grinding, 3D printing of grinding wheel and artificial intelligence in grinding are also presented. Another unascertained problem is the management of grinding swarf, which is being attended to by recycling it to fabricate composites which is expected to be another prominent domain of research. Further, the advancements taking place exhibit the potential of the grinding process, suggesting that its future is bright and ever-growing.

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“…Denkena et al [ 87 ] used the laser powder bed fusion (LPBF) technique to fabricate NiTi diamond composites. Although LPBF is a technique for a large range of metal powders, these types of specimens for use as grinding tools were manufactured for the first time.…”

Section: Application Of Am Technologies In Abrasive Machiningmentioning

confidence: 99%

Applications of Additively Manufactured Tools in Abrasive Machining—A Literature Review

et al. 2021

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High requirements imposed by the competitive industrial environment determine the development directions of applied manufacturing methods. 3D printing technology, also known as additive manufacturing (AM), currently being one of the most dynamically developing production methods, is increasingly used in many different areas of industry. Nowadays, apart from the possibility of making prototypes of future products, AM is also used to produce fully functional machine parts, which is known as Rapid Manufacturing and also Rapid Tooling. Rapid Manufacturing refers to the ability of the software automation to rapidly accelerate the manufacturing process, while Rapid Tooling means that a tool is involved in order to accelerate the process. Abrasive processes are widely used in many industries, especially for machining hard and brittle materials such as advanced ceramics. This paper presents a review on advances and trends in contemporary abrasive machining related to the application of innovative 3D printed abrasive tools. Examples of abrasive tools made with the use of currently leading AM methods and their impact on the obtained machining results were indicated. The analyzed research works indicate the great potential and usefulness of the new constructions of the abrasive tools made by incremental technologies. Furthermore, the potential and limitations of currently used 3D printed abrasive tools, as well as the directions of their further development are indicated.

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Additive manufacturing of metal-bonded grinding tools

Cited by 22 publications

References 22 publications

Fabrication and Application of Gel Forming Ultrafine Diamond Abrasive Tools

Fabrication and Application of Gel Forming Ultrafine Diamond Abrasive Tools

A comprehensive review on the grinding process: Advancements, applications and challenges

Applications of Additively Manufactured Tools in Abrasive Machining—A Literature Review

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