Compliant grinding and polishing: A review

Zhu, Wu-Le; Beaucamp, Anthony

doi:10.1016/j.ijmachtools.2020.103634

Cited by 173 publications

(42 citation statements)

References 135 publications

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“…Magnetorheological finishing uses the characteristics of rheological properties of magnetic materials such as iron powder in the polishing fluid [37] to polish the surface of meter-long glass guideways. In the processing area, due to the effect of high-intensity gradient magnetic field, the viscosity and hardness of MR fluid rise and are transformed into Binham medium, and a "flexible polishing film" is formed [38][39][40], so the plastic removal of shear stress is achieved on the guideway surface. Due to the removal characteristics of the MRF (Magnetorheological Finishing) technology, the surface roughness of the glass guideway can be improved, and a high-quality surface can be obtained [41].…”

Section: Mrf and Ccos Small Disc Combined Polishingmentioning

confidence: 99%

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

2021

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Currently, meter-long guideways rarely achieve an accuracy of dozens of nanometers due to processing difficulties such as the material and the edge effect. In this paper, we focus on this problem and propose a set of optimization processing methods to cope with it. In the grinding stage, a grinding tool is designed to improve the reciprocating processing and address the problem of warping; in the polishing stage, three different processes are compared, and the combination of magnetorheological finishing technology and the polyurethane disc technology process is purposed to reduce the polishing cycle and improve the surface figure accuracy. Moreover, through the combined process of magnetorheological finishing and smoothing, the edge effect and medium- and high-frequency error are essentially suppressed. The meter-long guideway is achieved with an accuracy of dozens of nanometers. Although the sizes of surface A/C and B/D are 1000 mm × 240 mm and 1000 mm × 160 mm, the surface figures are 20.33 nm, 22.78 nm, 39.23 nm and 26.58 nm RMS (Root Mean Square), respectively. The nanometer accuracy guideway is critical to an ultra-precision machine tool. Finally, the X-axis straightness of the profile measurement system formed by the guideway reaches 200 nm/600 mm.

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Section: Mrf and Ccos Small Disc Combined Polishingmentioning

confidence: 99%

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

2021

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“…In order to verify the empirical formula obtained, the formula is tested using the F method, which is to test the significance of the equation directly from the empirical formula results according to the square sum decomposition formula. After analysis, it can be obtained as follows: (3,15) < F speed−torque < F 0.01 (3,15). It is found that the feed has a highly significant influence on the axial force, while the axial force change caused by the spindle speed is very small.…”

Section: Analysis Of Drilling Forcementioning

confidence: 99%

“…e relation between the shear force and cutting force of the carbon fiber and resin matrix is obtained when the cutting speed direction and carbon fiber direction angle are in a certain range. Arola et al [14,15] used a CCD camera to observe the cutting process of CFRP and FRP composites, and the final observation results showed that the angle between the rake angle of the main cutting edge of the drill tip and the fiber direction had a great influence on the chip formation process during the cutting of fiber reinforced composites. Mihai and Paul [16] analyzed the drilling process of fiber reinforced composites.…”

Section: Introductionmentioning

confidence: 99%

Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics

Zhou

Zou

et al. 2021

Advances in Materials Science and Engineering

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In this paper, a complex helicoids’ drill tip of “S” type chisel edge grinded with a three-parallel universal CNC grinding machine tool is carefully studied to obtain the optimum drill bit tip geometry parameters. The effects of experimental parameters, such as apex angle, chisel edge incline angle, and structure circumference rear angle, on the quality of the drilling hole and the machining force were studied from the orthogonal experiment compared with the ordinary drill bit. The range of technological parameters are confirmed which should be used during the drilling process of carbon fiber reinforced plastics (CFRP) in order to realize the reduction of cutting defects such as cutting force and spurs. The effect of spindle speed and feed on the drilling behaviour of the experiment using optimum complex helicoids’ drill tip is also analyzed. It is found that the feed has a great influence on the drilling axial force and the spindle speed has little influence on axial force, but great influence on torque.

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“…Although there have been many studies on parameter optimization, such as the study by Khosravani et al, which presented the influence of two printing parameters on the strength of 3D-printed components [19], solutions for the staircase effect and the occurrence of non-uniform temperature in the FDM formation process are still required [20,21]. Compared with traditional surface post-treatment technologies, such as mechanical polishing and chemical mechanical polishing, laser polishing, as an emerging method, can improve the surface integrity of metal and non-metal components via re-melting the thermal input of the laser irradiation and rapid smooth solidification [22,23]. In recent years, laser polishing has been successfully employed to improve the surface finish of components fabricated using 3D printing due to its non-contact mode of operation, high efficiency, precision, and lack of mechanical damage [22,24].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Characterization and Thermodynamic Analysis of Laser-Polished Landscape Design Products Using 3D Printing

Wen

Wu³

2021

Materials

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Recent innovations in 3D printing technologies and processes have influenced how landscape products are designed, built, and developed. In landscape architecture, reduced-size models are 3D-printed to replicate full-size structures. However, high surface roughness usually occurs on the surfaces of such 3D-printed components, which requires additional post-treatment. In this work, we develop a new type of landscape design structure based on the fused deposition modeling (FDM) technique and present a laser polishing method for FDM-fabricated polylactic acid (PLA) mechanical components, whereby the surface roughness of the laser-polished surfaces is reduced from over Ra 15 µm to less than 0.25 µm. The detailed results of thermodynamics and microstructure evolution are further analyzed during laser polishing. The stability and accuracy of the results are evaluated based on the standard deviation. Additionally, the superior tensile and flexural properties are examined in the laser-polished layer, in which the ultimate tensile strength (UTS) is increased by up to 46.6% and the flexural strength is increased by up to 74.5% compared with the as-fabricated components. Finally, a real polished landscape model is simulated and optimized using a series of scales.

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Compliant grinding and polishing: A review

Cited by 173 publications

References 135 publications

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics

Mechanical Characterization and Thermodynamic Analysis of Laser-Polished Landscape Design Products Using 3D Printing

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