Computer simulation of single-point diamond turning using finite element method

Wu, Hongbing; Lee, Wing Bun; Cheung, Chi Fai; To, Suet; Chen, Y. P.

doi:10.1016/j.jmatprotec.2005.06.015

Cited by 24 publications

(10 citation statements)

References 6 publications

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“…The finite element method (FEM) is the most frequently used numerical methods for metal cutting process analyses [1]. Due to the scale of grinding chip formation and the high speed of grinding, it is difficult to observe the material deformation and chip formation during grinding.…”

Section: Introductionmentioning

confidence: 99%

Grinding Surface Creation Simulation Using Finite Element Method and Molecular Dynamics

Chen

Öpöz

Oluwajobi

2012

AMR

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Abstract. This paper presents some research results of the application of finite element method and molecular dynamics in the simulation of grinding surface creation. The comparison of these two methods shows that both methods could illustrate the material removal phenomena and provide useful information of grinding mechanics, but they have different feasible application arranges depending on the level of size scales. The investigation demonstrated that rubbing hypothesis of grinding material removal mechanism is valid at all size level even down to nanometre level. Further investigation areas are identified in the paper.

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Section: Introductionmentioning

confidence: 99%

Grinding Surface Creation Simulation Using Finite Element Method and Molecular Dynamics

Chen

Öpöz

Oluwajobi

2012

AMR

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“…Single point diamond turning (SPDT), which is categorized in ultraprecision micromachining technologies, possesses nanometric edge sharpness, form reproducibility, and wear resistance. With the rapidly growing demand for precision components such as optoelectronics products, Walter-type x-ray mandrels, and nonferrous metal mirrors, SPDT has become increasingly important for the manufacture of quality optical components with micrometer to submicrometer form accuracy and surface roughness in the nanometer range [1]. The main limitation has been the resulting microstructure, which is called SPDT marks and which produces a diffraction effect and stray light.…”

Section: Introductionmentioning

confidence: 99%

Removal of single point diamond-turning marks by abrasive jet polishing

Wang

Peng

et al. 2011

Appl. Opt.

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Single point diamond turning (SPDT) is highly controllable and versatile in producing axially symmetric forms, non-axially-symmetric forms, microstructured surfaces, and free forms. However, the fine SPDT marks left in the surface limit its performance, and they are difficult to reduce or eliminate. It is unpractical for traditional methods to remove the fine marks without destroying their forms, especially for the aspheres and free forms. This paper introduces abrasive jet polishing (AJP) for the posttreatment of diamond-turned surfaces to remove the periodic microstructures. Samples of diamond-turned electroless nickel plated plano mirror were used in the experiments. One sample with an original surface roughness of more than 400 nm decreased to 4 nm after two iterations abrasive jet polishing; the surface roughness of another sample went from 3.7 nm to 1.4 nm after polishing. The periodic signatures on both of the samples were removed entirely after polishing. Contrastive experimental research was carried out on electroless nickel mirror with magnetorheological finishing, computer controlled optical surfacing, and AJP. The experimental results indicate that AJP is more appropriate in removing the periodic SPDT marks. Also, a figure maintaining experiment was carried out with the AJP process; the uniform polishing process shows that the AJP process can remove the periodic turning marks without destroying the original form.

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“…Para minimizar os problemas distorção dos elementos, a malha adaptativa é empregada, cujo objetivo é diminuir as dificuldades de convergência causadas pelos elementos excessivamente distorcidos (Wu et al, 2005). …”

Section: -O Método De Elementos Finitosunclassified

Simulação da formação de cavacos usando FEM (Finite Element Method) - temperatura e força

Huang¹

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Computer simulation of single-point diamond turning using finite element method

Cited by 24 publications

References 6 publications

Grinding Surface Creation Simulation Using Finite Element Method and Molecular Dynamics

Grinding Surface Creation Simulation Using Finite Element Method and Molecular Dynamics

Removal of single point diamond-turning marks by abrasive jet polishing

Simulação da formação de cavacos usando FEM (Finite Element Method) - temperatura e força

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