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Journal articles on the topic 'Cnc micro machining'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Zhang, Lin, Wen He Liao, and Hui Yang. "A New Miniaturized CNC Machine Tool." Advanced Materials Research 97-101 (March 2010): 3259–62. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.3259.

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A miniaturized CNC (Computerized Numerical Control) milling machining equipment was mentioned for micro milling processing. The equipment has a highest spindle speed of 90000rpm and the positioning accuracy of submicron. Furthermore, it described the design of CNC servo system of precision stage driven by linear motor. The servo experiments results verified the excellent static and dynamic performance of the system. The machining tests included a plane with a surface roughness of 215nm using a end milling cutter of Φ0.2μm, micro straight slots with a dimension error range of 1-2μm using a ball

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2

Xie, Dongyue, Xiaoning Tang, Ming Hu, Deyi Kong, and Yujie Qian. "Flexible micro-perforated panels prepared by CNC machining." IOP Conference Series: Earth and Environmental Science 358 (December 13, 2019): 042013. http://dx.doi.org/10.1088/1755-1315/358/4/042013.

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3

Zhang, Ya, Qin He Zhang, Xiu Zhuo Fu, and Chun Xing Zhang. "Research on Piezoelectric Self-Adaptive Micro-EDM CNC System." Advanced Materials Research 569 (September 2012): 652–56. http://dx.doi.org/10.4028/www.scientific.net/amr.569.652.

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Piezoelectric self-adaptive micro-EDM can improve machining efficiency of micro-EDM effectively. To meet the requirements of micro-EDM, a computer numerical control (CNC) system based on personal computer (PC) and Mercury C863 controller is developed. The hardware structure and software structure of the CNC system are discussed in the paper. Algorithms and functions of the software are also analyzed. The CNC software is successfully designed with VC++ (2010). Extensive experiments show that the CNC system is reliable, stable, efficient and high accuracy. The new micro-EDM CNC system has a shor

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4

Huang, Guo Qiang, Jian Qun Liu, and Wei Qiang Gao. "Development of CNC System Software for Micro V-Groove Machine Tool." Key Engineering Materials 679 (February 2016): 37–41. http://dx.doi.org/10.4028/www.scientific.net/kem.679.37.

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The computerize numerical control (CNC) system is one of the key factors for the development of micro v-groove machine tools to fabrication micro v-groove structures. Based on the investigation on the machining of micro v-groove structures, a developed software contains five modules: editing, automatic programming, program control, manual control and human machine interface. A3200 software based motion controller integrated with the machine characteristics is used in this study to develop the motion control functions of the micro v-groove machine tool. Meanwhile, a method is proposed to redefi

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Huang, R. N., T. Wang, and B. Liu. "Development a CNC System of Micro WEDM." Applied Mechanics and Materials 40-41 (November 2010): 766–70. http://dx.doi.org/10.4028/www.scientific.net/amm.40-41.766.

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A Micro WEDM (Micro Wire Electrical Discharge Machining) CNC system is presented in this paper. Its hardware platform adopted PC with movement control card. For Micro WEDM system is a typical multitasking and real-time system, the CNC software adopted multithread and module structure to perform the parallel tasks and real-time tasks. It also adopted fuzzy control algorithm to control the feeding speed and acceleration. Practical proved that the CNC system is not only low cost and easy to development, but also satisfied the need of Micro WEDM.

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Liu, (Peter), and Neil Gershenfeld. "Performance Comparison of Subtractive and Additive Machine Tools for Meso-Micro Machining." Journal of Manufacturing and Materials Processing 4, no. 1 (2020): 19. http://dx.doi.org/10.3390/jmmp4010019.

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Several series of experiments were conducted to compare the performance of selected sets of subtractive and additive machine tools for meso-micro machining. Under the MicroCutting Project, meso-micro machining of a reference part was conducted to compare the performance of several machine tools. A prototype flexure of the microspline of an asteroid gripper under development at NASA/JPL was selected as the reference part for the project. Several academic, research institutes, and industrial firms were among the collaborators participating in the project. Both subtractive and additive machine to

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Yan, Yongda, Tao Sun, Yingchun Liang, and Shen Dong. "Investigation on AFM-based micro/nano-CNC machining system." International Journal of Machine Tools and Manufacture 47, no. 11 (2007): 1651–59. http://dx.doi.org/10.1016/j.ijmachtools.2007.01.008.

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8

Huang, Liang, Ning He, and Liang Li. "Study on an Open CNC System of 3-Axis Micro Milling Machine Tool." Advanced Materials Research 69-70 (May 2009): 369–73. http://dx.doi.org/10.4028/www.scientific.net/amr.69-70.369.

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The traditional CNC system is established on conventional machine tool mainly using ball screws. This could not suitable for micro mechanical machining with linear motor which could provide high speed, high precision, fast response and zero backlash. In this paper, a 3-axis micro milling machine tool with an open CNC system has been developed based on motion controller and linear motors. Considering the requirements of micro milling several special functions just like micro cutting tool setting are provided in exploited control software. The system dynamic characteristics are evaluated through

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Luo, Lei, Jun Hu, and Fan Deng. "A Speed Smoothing Algorithm in Micro Segment High-Speed Machining." Applied Mechanics and Materials 190-191 (July 2012): 647–50. http://dx.doi.org/10.4028/www.scientific.net/amm.190-191.647.

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A forecasting speed smoothing algorithm based on inflexion velocity has been presented in this paper. According to the geometry characters of the machining trajectory, the inflexions in CNC machining tool path can be confirmed by using the designed algorithm. The line segment between each inflexion can be treated as a continuous path that can be tracked under the continuous feed rate. Moreover the maximal permitted link-up speed can be calculated through dynamic restriction equations and the real-time modification of sinusoidal acceleration can be realized by using the speed iteration algorith

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10

Lin, Meng Ju, and Rong Shun Chen. "Discussion of Scraping Depth and Feeding Rate Performance of Micro Shaping." Solid State Phenomena 311 (October 2020): 80–87. http://dx.doi.org/10.4028/www.scientific.net/ssp.311.80.

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A novel micromachining technology is investigated in this work. Precision machining of micrometer sizes can be achieved by a tool scraping on CNC machine. The knife for scraping with small knife nose with radius of fifty micrometer can scrape surfaces of designed function by path planning of CNC machine. To investigate performance, micro channels are scraped on workpieces by micro shaping. For tool path planning, feeding rate and scraping depth have significant effect on machining performance and depth-to-width ratio. Poly-methyl methacrylate (PMMA) and aluminum alloy are materials for scrapin

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Mekid, Samir. "High Speed Desktop Ultra Precision CNC Micro/Meso-Machine." Advanced Materials Research 739 (August 2013): 640–46. http://dx.doi.org/10.4028/www.scientific.net/amr.739.640.

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This paper introduces the design, manufacturing and tests of a new CNC desktop milling machine dedicated to micro and meso-scale components. The paper discusses two types of micro-machine structure i.e. egg shape bridge and cantilever egg shape column. Both structures have been designed using an enhanced deterministic design method combining FEM and Taguchi methods. This has led to achieve tight geometric and kinematic errors and secured high machining accuracy observed in a couple of samples milled on the micro-machine.

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Wang, Heng, Wei Gang Wen, and Wei Dong Cheng. "Study on Velocity Smooth Method for Five-Axis CNC." Applied Mechanics and Materials 229-231 (November 2012): 2285–89. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.2285.

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A velocity blending method is devised for micro-segment line high-speed machining. The model is constructed for blending velocity, and the blending curve equation is established under the constraint of maximized contour error. According to MATLAB simulation, the proposed model and its solving algorithm can achieve the high-speed linking between micro-segment lines, and the efficiency is promoted distinctly.

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13

Aizawa, Tatsuhiko. "Micro-Texturing onto Amorphous Carbon Materials as a Mold-Die for Micro-Forming." Applied Mechanics and Materials 289 (February 2013): 23–37. http://dx.doi.org/10.4028/www.scientific.net/amm.289.23.

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Among various kinds of carbon materials, two types of amorphous carbon were employed as a mold-die material for micro-forming. Diamond like carbon (DLC) has sufficient strength and toughness as a protective coating onto the steel and WC (Co) substrates. Glassy carbon is a solid material which also has high strength even at the elevated temperature under inert gas atmosphere. These two materials are selected to fabricate the micro-textured mold-die as a mother tool to duplicate this micro-textured pattern onto the metallic and polymer sheets via table-top CNC micro-forming systems. High density

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14

Mohadzir, Nurul Farhana, Ainur Munira Rosli, Ahmad Shahir Jamaludin, and Mohd Nizar Md Razali. "In-situ worn geometry effect over the surface roughness propagation during micro milling process." Journal of Modern Manufacturing Systems and Technology 4, no. 1 (2020): 1–7. http://dx.doi.org/10.15282/jmmst.v4i1.3836.

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High-precision miniaturized components for micro-machining operations has an increasingly demand for numerous developing sectors such as medical instrumentations, electronics components, computer manufacturing, aerospace and automotive engineering. Micro-milling has known as a flexible micro machining process and the most familiar micro mechanical machining method. Due to overcome a few difficulties in micro fabrication, micro milling is picked as an alternative way as it has potential and imperative for high accuracy machining. However, micro tools have low tool life as it is unpredictably an

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15

Zhou, Chun Jiang, Jian Cheng Liu, and Adrian Avila. "Experimental Investigation of Mechanical Micro Machining for AL6061-T6 Material." Applied Mechanics and Materials 217-219 (November 2012): 1880–84. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1880.

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This paper is to experimentally investigate the mechanical micro machining properties of AL6061-T6 using tungsten-carbide micro end mills. The cutting simulation based on Finite Element Analysis (FEA) method is also conducted to estimate cutting forces, cutting temperature, and minimum chip thicknesses. The simulation results are used for the determination of experimental machining conditions such as depth of cut, feed rates and cutting speeds. A number of slot micro-milling experiments were performed using 400um diameter micro end mills on a 3 Axis CNC machining center attached with a high pr

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16

Jin, Yong Qiao, Yu Han Wang, and Jian Guo Yang. "Real-Time B-Spline Interpolator with Look-Ahead Scheme for High-Speed CNC Machine Tools." Key Engineering Materials 455 (December 2010): 599–605. http://dx.doi.org/10.4028/www.scientific.net/kem.455.599.

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NC tool paths of digital CAD models are currently generated as a set of discrete data points. The CNC interpolator must convert these points into continuous machine tool axis motions. In order to achieve high-speed and high-accuracy machining, the development of a real-time interpolation algorithm is really indispensable, which can deal with a large number of short blocks and still maintain smooth interpolation with an optimal speed. In this paper, a real-time local cubic B-spline interpolator with look-ahead scheme is proposed for consecutive micro-line blocks interpolation. First, the consec

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17

Lee, J. H., S. R. Park, and S. H. Yang. "Machining a Micro/Meso Scale Structure Using a Minaturized Machine Tool by Using a Conventional Cutting Process." Journal of Manufacturing Science and Engineering 128, no. 3 (2006): 820–25. http://dx.doi.org/10.1115/1.2194062.

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Micro/meso scale parts, connectors, and couplers in optic communication and arbitrary 3D features are required in various fields of industry. In this paper, a miniaturized machine tool is developed to machine arbitrary 3D features in the micro/meso scale based on CNC and PC-NC technology. In the proposed system, a PI controller with antiwindup capability is adopted which helps micro/meso scale machining of components. For performance evaluation, a V groove and a 3D feature are machined using the proposed miniaturized machine tool.

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18

Shi, Zhong Quan, and Kun Ding. "A S-Shape Curve Speed Control Algorithm of Continuous Micro-Lines Interpolation Based on Adjustable Feed-Speed." Advanced Materials Research 591-593 (November 2012): 1549–52. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1549.

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To satisfy the need of high speed machining, according to machine's features and turning angle between micro-lines, constraining conditions of micro-lines turning feed speed are established in this paper. The algorithm is calculating the resolution of the end velocity of last line and the startup velocity of next line, and then deduce the acceleration on each axis. The resolution acceleration of each axis reflects the loading capacity of them and should not over a given value. Then a S-shape curve speed control algorithm of continuous micro-line interpolation based on adjustable real-time feed

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19

Lin, Zhi Min, Bin Yao, Jun Jun Ye, and Gao Feng Zheng. "The Study of Automatic Programming System for Near-Field Electrospinning Direct Write." Advanced Materials Research 197-198 (February 2011): 3–7. http://dx.doi.org/10.4028/www.scientific.net/amr.197-198.3.

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In order to control the machining process of Direct-Write based on Near-field Electrospinning automatically, an automatic programming system used for an open architecture CNC system is proposed in this paper. This system descirbes the machining trajectory via the 2D CAD drawing, from which the data is extracted by the system. According to the processing parameters, the data is classified and reordered, and NC codes are automatically generated. The system solves the problem in integrating the design and machining, makes it more convenient to experimental research and realizes patterned fabricat

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20

Durairaj, M., and S. Gowri. "Gravitational Search Algorithm - Based Optimization of Process Parameters in Micro Turning Process." Applied Mechanics and Materials 592-594 (July 2014): 391–94. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.391.

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Micro turning is a scaled down version of conventional turning process, but operating on the micro scale of machining parameters to produce micro components. This paper deals with CNC Micro turning of Inconel 600 alloy with titanium carbide coated tool. Two conflicting objectives, surface roughness and tool flank wear, are simultaneously optimized. Full factorial experiments were taken with several combinations of cutting speed, feed and depth of cut. In this report, a new optimization algorithm based on the law of gravitation and mass interactions, namely Gravitational Search Algorithm (GSA)

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21

Zhang, Zhi Jun, Hong Lei Jia, Ji Yu Sun, and Meng Feng. "X6132 Universal Milling Machine Computer Numerical Control Transformation." Advanced Materials Research 562-564 (August 2012): 763–67. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.763.

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Based on research and analysis of current condition of CNC transformation, the essay proposes a scheme to reconstruct X6132 universal horizontal miller. Analyze the technical parameters of old X6132 universal horizontal miller according to the techniques request of machining objects, then project the general transformation blue print of old machine. Design and calculation of mechanical part in machine, according to the general transformation blue print, the longitudinal feed system and the transverse feed systems are reconstructed. Hardware circuit design of CNC system, utilize single chip 803

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22

Liu, Hai Lin, Yan Li Huo, Chun Peng Wang, Jie Tang, Hua Wang, and Yu Feng Chen. "Machining Behavior of Green RBSC Body Prepared by Gel-Casting." Key Engineering Materials 434-435 (March 2010): 853–55. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.853.

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In this paper, the green RBSC was prepared by gel casting process. The influences of the monomer content (MBAM and AM) and monomer ratio (MBAM to AM) on the flexural strength were investigated. The results indicated the flexural strength of green body was up to 8MPa and the micro- structures were homogeneous. The green RBSC bodies were machined by CNC grinding machine with diamond-coated grinding tools. Machining tests showed the green component could be machined without appended defects. It was found that green machining as a ‘top-down’ approach was a potential alternative for the rapid fabri

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23

Charitha, Rao, Rao Shrikantha, and Herbert Mervin. "Performance improvement studies for cutting tools with perforated surface in turning of titanium alloy." MATEC Web of Conferences 144 (2018): 03003. http://dx.doi.org/10.1051/matecconf/201814403003.

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In turning process, the cutting tool is essential for shaping materials. The cutting tools with various perforated surfaces help to increase the cutting tool life. Also, advances in CNC machining technologies have enhanced the productivity of machining process. One of the best or futuristic approaches in modern manufacturing engineering is the use of FEM Simulation for the metal cutting process. FEM simulation helps in understanding the metal deformation process and also helps in the reduction of experiments. The simulation helps the researchers to predict the major influencing cutting variabl

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24

Vázquez, Elisa, Jéssica Gomar, Joaquim Ciurana, and Ciro A. Rodríguez. "Evaluation of machine-tool motion accuracy using a CNC machining center in micro-milling processes." International Journal of Advanced Manufacturing Technology 76, no. 1-4 (2014): 219–28. http://dx.doi.org/10.1007/s00170-014-5787-6.

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25

Zhan, Jian Ming, and Di Zheng. "Research on the Hydrodynamic Electro-Chemical Mechanical Polishing for Silicon Wafer with Suspension Fluid." Key Engineering Materials 359-360 (November 2007): 290–94. http://dx.doi.org/10.4028/www.scientific.net/kem.359-360.290.

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Silicon wafer is one of the key materials of LSI and SLSI and has been widely used in the electronic industries and IT products. In the new century of nano times, silicon wafer needs higher geometry accuracy, lower surface roughness and higher precision machining effecency, but no disfigurement in its surface layer. Nowadays, non-contact polishing still seems to be most efficient method to achieve nano-scale geometry accuracy and maintain surface roughness in the nanometer level even for silicon wafer, but it is still not easier to control its machining course and to obtain well-pleasing machi

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Sheng, Zhong Qi, Ze Zhong Liang, Chao Biao Zhang, and Liang Dong. "LabVIEW-Based Wireless Monitoring System of CNC Machine Tools." Applied Mechanics and Materials 121-126 (October 2011): 2075–79. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.2075.

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As the development of industry wireless networks, sensor network, innovative sensors, radio frequency identification (RFID), and micro-electro-mechanical system (MEMS) technologies, the industry sector has made great progress in data acquisition, treatment, transfer and analysis, greatly expanded people’s ability to access information, and to control and use them. This paper developed a wireless data acquisition and storage system of CNC machine tools based on LabVIEW graphical programming language and IEEE 802.11 wireless communication protocol, effectively expanded the ability to access and

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27

Lu, Xiao Hong, Zhen Yuan Jia, Zhi Cong Zhang, and Xv Jia. "Design of Special Fixture for Micro High Speed Motorized Spindle." Advanced Materials Research 228-229 (April 2011): 66–71. http://dx.doi.org/10.4028/www.scientific.net/amr.228-229.66.

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The fixture of motorized spindle significantly affect the vibration of micro high speed CNC milling machine, its performance can directly affect the machining accuracy of the entire micro milling machine. A special fixture of high-speed motorized spindle is designed in the paper and its static characteristics are checked by utilizing ANSYS finite element analysis software. To guarantee the sufficient strength of bolts and the safety of motorized spindle when the motorized spindle runs at high speed, theory analysis method and ANSYS finite element analysis method are used to make the strength c

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Lu, Xiao Hong, Zhen Yuan Jia, X. X. Wang, and Xu Jia. "Design and Realization of Control Circuits of the Micro Milling Machine and the Safety Inspection Function of its Spindle." Applied Mechanics and Materials 66-68 (July 2011): 436–41. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.436.

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Based on the analyses of the current research status of PC + NC type control system in micro-machining technical field both at home and abroad, an “IPC + PMAC motion controller” type open CNC system is established. Control circuits of the micro milling machine control system are designed, which include the realization of the functions of spindle status display, feeding tables status display, IPC status display, machine tool alarm, interlocking control of the function buttons and the corresponding indicator light control of spindle cooling, spindle lubrication, spindle alarm and spindle running

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29

Parthiban, M., Vijayan Krishnaraj, and Anthuvan R. Naveen. "Optimization of Parameters for Diameter Accuracy in Wire Electric Discharge Grinding for Micro Machining of Tungsten Rods." Applied Mechanics and Materials 592-594 (July 2014): 625–29. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.625.

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In this study the process of Wire Electric Discharge Grinding was carried out with a precise, flexible and corrosion resistant submerged rotary spindle which was designed, fabricated and installed in a five axis CNC Wire Electric Discharge Machining in order to produce free form surfaces on micro rods. The tungsten was taken as a work material since it is hard to machine through conventional process. Based on the literature survey the following four factors such as the spindle speed, pulse off time, peak current and wire speed are considered for obtaining high diametrical accuracy. By Taguchi

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30

Marinescu, Niculae, Daniel Ghiculescu, Tomasz Klepka, and Ovidiu Dorin Alupei-Cojocariu. "Finite Element Modeling of an Ultrasonic Horn Integrating the Tool for Micro-Electrical Discharge Machining." Applied Mechanics and Materials 809-810 (November 2015): 315–20. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.315.

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The paper deals with a strategy to obtain a complex conical ultrasonic horn, which integrates the tool for micro-drilling through ̵̵̼̳̹̳̱̼̈́͂˰̴̸̷̵̹̳̱̓͂˰̸̷̱̳̹̹̽̾̾˰˸ڌ̝̔̕˻̥̣˹˰̵̴̲̱̓˰̿̾˰̖̹̾ite Element Method (FEM) modeling. This approach comprises more than 20 stages, starting with preliminary determination of a basic profile stepped horn through mathematical relations. The next stages are based on Comsol Multiphysics FEM modeling, changing gradually different horn constructive elements and integrating the tool and their clamping parts. The entry data for horn geometry determination were the dimens

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31

Cheng, Xiang, Jun Ying Liu, Xian Hai Yang, Zhong Qiang Tian, and Peng Jia. "Study on the Dedicated CAD Sub-System for Custom Tooling." Advanced Materials Research 255-260 (May 2011): 1930–33. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.1930.

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Custom tooling is an effective method to improve surface roughness, geometrical accuracy, machining efficiency, and consequently the core competitiveness of the final products in very complicated freeform creation and micro/nano machining, such as the propeller, blisk and ductile-mode machining of hard and brittle materials. However, commercially available CAM systems have limitations in generating CNC programs for these customized tools due to considerations for special custom tool fabrication processes. Therefore unique CAM system is needed and consequently dedicated CAD sub-system is the pr

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32

Shiou, Fang-Jung, and Assefa Asmare Tsegaw. "Ultra Precision Surface Finishing Processes." International Journal of Automation Technology 13, no. 2 (2019): 174–84. http://dx.doi.org/10.20965/ijat.2019.p0174.

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Surfaces of different complex shapes are aspirated part of many scientific measuring devices, medical, astronomical, and other precision activity utilizations. Components at miniaturized level should meet required surface roughness for the intended applications. Surface finishing of freeform and miniaturized components are always difficult and need to look for a new way out. In this study, an attempt was made to improve surfaces roughness of selected, most frequently used, engineering materials using different innovative processes, which can be integrated with CNC machine centers. An advanced

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Zhang, LiXian, RuiYong Sun, XiaoShan Gao, and HongBo Li. "High speed interpolation for micro-line trajectory and adaptive real-time look-ahead scheme in CNC machining." Science China Technological Sciences 54, no. 6 (2011): 1481–95. http://dx.doi.org/10.1007/s11431-011-4329-9.

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34

Xiang, Heng Fu, and Li Jun Zhang. "Research on Precision Experimental Table for CO₂ Laser Machining Microfluidic Chip." Applied Mechanics and Materials 316-317 (April 2013): 1002–6. http://dx.doi.org/10.4028/www.scientific.net/amm.316-317.1002.

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In order to experiment study of CO2 laser machining polymer-based microfluidic chip, a laser micro-processing precision experimental table was built. A servo feed system directly driven by linear motor was designed to achieve high speed and high position accuracy. Dual-CPU open CNC system used Industrial Personal Computer(IPC) as master computer and PMAC controller as slave computer was constructed to ensure system real-time control. In order to increase position accuracy of precision table, a forecast model of the linear motor position error was put forward based on LSSVM and error compensati

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35

Uzunoglu, Emre, Mehmet Ismet Can Dede, and Gökhan Kiper. "Trajectory planning for a planar macro-micro manipulator of a laser-cutting machine." Industrial Robot: An International Journal 43, no. 5 (2016): 513–23. http://dx.doi.org/10.1108/ir-02-2016-0057.

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Purpose In the industry, there is always a demand to shorten the task completion durations to maximize the efficiency of the operation. This work focuses on making use of a special type of kinematic redundancy, macro–micro manipulation, to minimize the task completion duration. The purpose of this paper is to develop the most convenient trajectory planner to be integrated with industrial computerized numerical control (CNC) systems to resolve kinematic redundancy for task duration minimization. Design/methodology/approach A special type of kinematic redundancy is devised by using two kinematic

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36

Hameed, Azzam Sabah, Mohaned S. Jafar, and Bijan Mallick. "Improvement of CNC Lathe Performances by Tungsten-Carbide Tool Using Desirability Function Analysis for Fabrication of Miniature Component." Materials Science Forum 1002 (July 2020): 3–11. http://dx.doi.org/10.4028/www.scientific.net/msf.1002.3.

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Computer numerical control (CNC) machine has greater utility in the modern advanced industrial field. This paper deals with the parametric effects such as spindle speed (1500-2100 rpm) (N) (X1), depth of cut (DOC) (0.15-0.55 mm) (X2) and feed rate (f) (30-50 mm/min) (X3) on machining characteristics like tool wear rate (TWR) and surface roughness (Ra) during fabrication of IS-617 Aluminum miniature component by advanced CNC lathe using Tungsten-carbide tool. The article analyzes the second-order mathematical model development with co-relation of co-efficient of regression (COR) and analysis of

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Usami, Hatsuhiko, Toshiki Sato, Yasuyuki Kanda, and Satoru Nishio. "Applicability of Interrupted Micro Cutting Process “Tilling” as Surface Texturing." Key Engineering Materials 749 (August 2017): 241–45. http://dx.doi.org/10.4028/www.scientific.net/kem.749.241.

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Tribological properties of textured surfaces fabricated using a discontinuous microcutting process were investigated. Aluminum cast alloy (AC8A) discs were used for the specimens. The texturing process was carried out using a CNC machining center with a cutting edge with a novel geometry. The resulting surface morphology consisted of micro dimples with a diameter of 200-300 μm and a depth of 5-10 μm, with controlled area fractions of 10 and 40% and a top region finished with a milling cut. The tribological properties were evaluated using a ring-on-disc type testing apparatus under lubricated c

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38

Heydarzadeh, Mohammad S., Seyed M. Rezaei, Noor A. Mardi, and Ali Kamali E. "Motion control of a two-axis linear motor-driven stage in the micro-milling process." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 232, no. 1 (2016): 65–76. http://dx.doi.org/10.1177/0954408916683976.

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The application of linear motor-driven stages as the feed drivers of CNC micro milling machine tools is growing. In addition to employ high speed and high precision equipment such as linear motor-driven stages, the precision of the machined contours is highly dependent on the capabilities of the servo controllers. In this paper, the design of a precise controller for a two-axis LMDS has been investigated for micro-milling applications. In such feed drives, disturbances such as friction, force ripples, and machining forces have adverse effects on the workpiece positioning precision due to the d

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Liu, H. T. (Peter). "Advanced Waterjet Technology for Machining Curved and Layered Structures." Curved and Layered Structures 6, no. 1 (2019): 41–56. http://dx.doi.org/10.1515/cls-2019-0004.

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Abstract Considerable advancements in waterjet technology take advantage of its inherent merits as a versatile machine tool have been achieved in recent years. Such advancements include, but are not limited to, process automation, machining precision, multimode machining of most materials from macro to micro scales, and cost effectiveness with fast turnaround. In particular, waterjet as a cold cutting tool does not introduce heat-affected zones (HAZ) and preserves the integrity of parent materials. As such, for heat-sensitive materials, its cutting speed is over ten times faster than those of

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Hira, Shin-Ichiro, Masato Yoshioka, Zhu Qing Wang, Yu Zhang, and Yutaka Nobukawa. "Study on Replication of Micro Channel Structures onto Polytetrafluoroethylene (PTFE) Substrate Employing Two-Stage Hot Embossing." Advanced Materials Research 76-78 (June 2009): 526–31. http://dx.doi.org/10.4028/www.scientific.net/amr.76-78.526.

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Replication of micro structures on a polymer substrate employing two-stage hot embossing is described in this paper. Linear channels with rectangular cross section were fabricated on a master mold of a brass plate by means of a computer numerical control (CNC) machining center using a micro end mill. In the first embossing process, the master mold with concavity features was embossed on a polycarbonate (PC) plate in order to make a “polymer replication mold”. Polytetrafluoroethylene (PTFE) was chosen as a material of polymer substrate used in the second embossing process. The replicated struct

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Xu, Guo Qiang, Zeng Wen Liu, Jun Wang, and Chuan Zhen Huang. "Characterization of KDP Crystal Surfaces from Single Point Diamond Milling." Advanced Materials Research 1136 (January 2016): 271–76. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.271.

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Potassium Dihydrogen Phosphate (KDP) crystal is widely used in laser frequency multiplications and electro-optical modulators, but its soft-brittle property and thermal sensitive characteristic make it a very difficult-to-machine material. In this paper, an in-house made diamond tool with one tooth is used to face-mill KDP crystal specimens on a high-speed micro CNC machining centre, based on a statistically designed experiment. The morphology and roughness of the milled KDP crystal surfaces are analyzed with respect to the process parameters. It has been found that cutting speed has the large

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Chang, Fuh-Yu, Yan-Chiau Chen, Te-Hsien Liang, and Zong-Yan Cai. "Fabrication of Edge Rounded Polylactic Acid Biomedical Stents by the Multi-Axis Micro-Milling Process." Applied Sciences 10, no. 8 (2020): 2809. http://dx.doi.org/10.3390/app10082809.

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This paper presents the first try to fabricate degradable polylactic acid (PLA) biomedical stents with round edges by the multi-axis micro-milling process. Conventionally biomedical stents are produced by laser processing. Post-processing operations are usually required to handle sharp edges and thermal defects of the stent due to laser processing. A computer graphics software package was used to design the strut structures with round corners of the PLA stent. A PLA tube was first created using injection molding, and a degradable biomedical stent was then fabricated through micro-milling by us

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Mahmud, M. A., A. K. M. Nurul Amin, and Muammer Din Arif. "Surface Roughness Model for High Speed End Milling of Soda Lime Glass Using Carbide Coated Tools with Compressed Air Blowing." Advanced Materials Research 576 (October 2012): 107–10. http://dx.doi.org/10.4028/www.scientific.net/amr.576.107.

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Glass materials play a vital role in advancement of science and technology. They have found wide spread application in the industry, in laboratory equipment and in micro-gas turbines. Due to their low fracture toughness they are very difficult to machine, moreover there are the chip depositions on the machined surface which affects surface finish under ductile mode cutting conditions. In this research, high speed end milling of soda lime glass is performed on CNC vertical milling machine to investigate the effects of machining parameters i.e. spindle speed, depth of cut, and feed rate on machi

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Niu, Qiu Lin, X. J. Cai, Zhi Qiang Liu, Ming Chen, and Qing Long An. "Wear Behavior of Carbide Inserts in Face Milling TA19 Alloy." Advanced Materials Research 426 (January 2012): 339–43. http://dx.doi.org/10.4028/www.scientific.net/amr.426.339.

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As a typical high strength material, titanium alloy Ti-6Al-2Sn-4Zr- 2Mo-0.1Si (TA19) is used to manufacturing the compressor power-brake of aircraft engine and the aircraft skin. All the machining experiments were carried out on a CNC-milling center under the stable conditions of cutting speed, feed rate, and depth of cut. The performance and wear mechanisms of coated- and uncoated carbide tools have been investigated in this paper to evaluate the machinability of TA19 in face milling. The three tools used were PVD-TiN+TiAlN, CVD-TiN+Al2O3+TiCN and uncoated carbide inserts. The results indicat

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Sharma, A., V. Jain, and D. Gupta. "Multi-shaped tool wear study during rotary ultrasonic drilling and conventional drilling for amorphous solid." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 233, no. 3 (2018): 551–60. http://dx.doi.org/10.1177/0954408918776724.

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Float glass, which is a hard and brittle material, is generally machined and drilled using rotary ultrasonic machining and conventional drilling to create products such as solar panels, metrological instruments, etc. But researchers are facing serious issues with regard to tool wear and opting for best shape of tool for the drilling purpose. In this study, blind holes are made on float glass specimen using rotary ultrasonic drilling and CNC conventional drilling process with the aid of multi-shaped tools. The opted tools are namely hollow abrasive tool, pin-pointed conical tool, flat cylindric

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Mudzaffar, Raqibah Najwa, Hanani Hani Mohd Khairy, Nur Khairunnisa Mohd Zaki, et al. "Comparative Study on the Performance of ZTA Cutting Tool with the Addition of Different Particle Size of MgO Additive." Materials Science Forum 1010 (September 2020): 181–86. http://dx.doi.org/10.4028/www.scientific.net/msf.1010.181.

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This paper investigated the performance of ZTA cutting tool with the addition of different particle size of MgO additive. Therefore, the objective of this research is to compare the effects of machining parameters on tool wears of ZTA cutting tools added with micro and nanoparticle of MgO. The experiments were conducted using BridgePort-Romi Powerpath CNC machine using a tool holder Sandvik Coromant (CoroTurn CCLNR 164D-4) to hold the cutting tools properly. The parameters are set up as cutting speeds used between range 354 to 472 m/min, feed rate from 0.1 to 0.5 mm/rev with a constant depth o

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Zhang, Jingzi, Jin’ge Wang, and Kai Wang. "Design and manufacture of the novel drum worm pair." Science Progress 103, no. 4 (2020): 003685042098122. http://dx.doi.org/10.1177/0036850420981220.

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Although a significant amount of research on robot joint reducer was conducted, there are few systematic investigations on a novel joint reducer adopting inner worm-gear plane enveloping drum worm drive. To satisfy the development of modular robot joint, the primary objective of this paper was to systematically investigate the drum worm drive adopted in the novel joint reducer with integrated structure of drive, transmission, and support in the following aspects: meshing theory, design, analysis, and manufacture. According to the gear meshing theory, mechanical design method, classical mechani

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Mufarrih, AM, Moh Nasir Hariyanto, and Nanang Qosim. "Analisa Kekasaran Permukaan Titanium Grade 2 pada Proses Frais." Jurnal Pendidikan Teknik Mesin Undiksha 8, no. 2 (2020): 53. http://dx.doi.org/10.23887/jptm.v8i2.27766.

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Titanium Grade 2 termasuk jenis bahan yang sering dipergunakan di industri, utamanya pada bahan untuk implan biomedis. Titanium Grade 2 mempunyai sifat perbandingan kekakuan terhadap berat yang baik, tahan terhadap korosi dan memiliki sifat biokompatibel yang baik di dalam tubuh. Namun memiliki konduktifitas panas yang rendah, sehingga perlu memilih perameter pemesinan yang tepat untuk menghasilkan nilai kekasaran permukaan yang baik. Penelitian ini bertujuan untuk mengetahui karakteristik Titanium Grade 2 yaitu kekasaran permukaan hasil pemesinan frais. Desain penelitian menggunakan metode Ta

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Guo, Han, and Yan Ma. "Design and Testing of the Precise Cutting Test Bed for Micron Paring Machining." Advanced Materials Research 538-541 (June 2012): 1290–93. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.1290.

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The test bed for micron paring machining is a kind of Computer numerical control (CNC) carpentry test beds. Movement of machine is controlled automatically according to processing instructions, machining of different raw materials can be realized by simply changing the processing instruction program. The test bed’s precision and its persistence are mainly guaranteed by the lathe bed, and have an air clamping device and its feeding mechanism includes a stepper motor for CNC feeding. At the end of the thesis, the conclusion of experiment presents widths of micron parings machined by cutting leng

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Mecomber, Justin S., Douglas Hurd, and Patrick A. Limbach. "Enhanced machining of micron-scale features in microchip molding masters by CNC milling." International Journal of Machine Tools and Manufacture 45, no. 12-13 (2005): 1542–50. http://dx.doi.org/10.1016/j.ijmachtools.2005.01.016.

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