Relevant bibliographies by topics / Punching machinery

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  1. Journal articles

Academic literature on the topic 'Punching machinery'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 March 2023

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Journal articles on the topic "Punching machinery"

1

Zheng, Hong, Guo Rui Wu, and Wei Hua Xu. "Study on Machinery Manufacturing CAD/CAM NC Machining Technology." Advanced Materials Research 875-877 (February 2014): 983–87. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.983.

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With the development of computer technology, CAD / CAM technologies have been widely used in the machinery manufacturing industry. They have brought fundamental changes to product design and manufacturing method. Based on the characteristics of punching machine processing technology, the main content of this paper is the study on boards CAM key technology taking NC machining applications for boards punching as the background. This study takes VC + + software as the platform and widely applies VC + + development tools and OpenGL technology in the process of developing graphical simulation system. The purpose of this study is to achieve drawing function, automatically extract pixels in AutoCAD graph such as holes, and automatically generate NC machining program by the extracted pixels on the basis of the pixel extraction. This can ensure the uniqueness and accuracy of the data, so as to improve the efficiency of programming.
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2

Li, Cheng Qun, and Yu Long Wu. "Production Research of PLC-Based Disc Motor Punching-Winding Machine." Advanced Materials Research 490-495 (March 2012): 1680–84. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.1680.

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Disc motor is a kind of motor which have a short axial dimensions and large start torque, it is widely used in machinery and equipment. Production quality of the motor stator and rotor determine the disc motor's performance .The motor stator and rotor which is produced by the method of punching-winding combined, have a high precision of motor underline slot and the motor performances good. Apply the PLC control system on the stator and rotor production, have a high degree of intelligence, easy to operate, realized the automation of the stator and rotor production and increased the productivity.
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3

Chu, Cheng Zhong, De Lei He, Yan Zhang, and Man Ping Cheng. "Design of Coconut Milk Automatic Extraction System." Advanced Materials Research 1010-1012 (August 2014): 1801–4. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.1801.

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Abstract: The coconut is a one of the main economic crops in the tropical region of China, and is also a selling one in summer in Hainan.But the way to punch or suck the coconut juice is still a manual work and has more than one process at present. Therefore, we studied and designed a machinery which is based on hydraulic control system, and can finish the work of clamping coconut, punching sucking juice together. It has simple structure,costs low, easy to assemble and efficiency as well.
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4

Feng, Pei, Si Yu Liu, and Chong Chang Yang. "The Study of the Development of the Spinneret Automatic Fine Machine Based on Properties of Mechanical Materials." Applied Mechanics and Materials 327 (June 2013): 333–37. http://dx.doi.org/10.4028/www.scientific.net/amm.327.333.

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Spinneret automatic fine machine uses the host computer to control machinery to accurately punch pear-shaped needle into each micropores on the spinneret. It can not only remove the burrs formed in the production process of the spinneret, better able to make each of the microporous achieve the required size and dense material properties by punching. It can replace manual operation, improve the finishing efficiency and precision and have solved many defects in manual finishing operation. This paper focuses on the hardware and operating system of the spinneret finishing machine, also tests and verifies various parameters.
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5

Nasir Khan, Mohammad, Mohd Shadman Ansari, Md Irfan Ansari, Saifuddin, and Mohd Mukhtar Alam. "Fabrication and Automation of Drilling Machine by Using Arduino." IOP Conference Series: Materials Science and Engineering 1224, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1757-899x/1224/1/012007.

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Abstract For precision workpiece manufacturing, the system should have good dimensional accuracy and surface finish. In applications such as drilling, punching, marking, boring, tapping, etc., the workpiece is first positioned, and then the tool executes its action while the moving axis remains stationary. In the traditional method of such applications, manufacturers use very expensive CNC machines to program the cycle and perform the same work. Large manufacturers can afford such expensive machines, but for the small machinery manufacturing industry, we must consider low-cost solutions that can provide high-quality output. In this study, we tried to propose a low-cost design that can be used to achieve functions similar to CNC. By applying this machine in industry, multiple generations can be obtained in a short time. It is very difficult to estimate the drilling depth when manually drilling with a traditional drilling machine, and the work will usually fail due to over-drilling. In many cases, it is difficult to measure the depth after the drilling is completed; especially the depth of the fine hole cannot be measured. Therefore, an automatic drilling machine that performs the drilling function according to the generated drilling depth and transmitted to the control circuit is indispensable; therefore, undertaking the study, it exposed the technology of the dedicated drilling machine. The automatic drilling machine designed here is very useful for the mechanical workshop. The machine is built with power feed technology and is designed to drill the job to a certain specified depth.
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6

Jiménez-Peña, Carlos, Constantinos Goulas, Johannes Preußner, and Dimitri Debruyne. "Failure Mechanisms of Mechanically and Thermally Produced Holes in High-Strength Low-Alloy Steel Plates Subjected to Fatigue Loading." Metals 10, no. 3 (2020): 318. http://dx.doi.org/10.3390/met10030318.

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High-strength low-alloy steels (HSLA) are gaining popularity in structural applications in which weight reduction is of interest, such as heavy duty machinery, bridges, and offshore structures. Since the fatigue behavior of welds appears to be almost independent of the base material and displays little improvement when more resistant steel grades are employed, the use of bolted joints is an alternative joining technique which can lead to an increased fatigue performance of HSLA connections. Manufacturing a hole to allocate the fastener elements is an unavoidable step in bolted elements and it might induce defects and tensile residual stresses that could affect its fatigue behavior. This paper studies and compares several mechanical (punching, drilling, and waterjet-cut) and thermal (plasma and laser-cut) hole-making procedures in HSLA structural plates. A series of 63 uniaxial fatigue tests was completed, covering three HSLA grades produced by thermomechanically controlled process (TMCP) with yield strength ranging from 500 to 960 MPa. Samples were tested at single load level, which was considered representative in HSLA typical applications, according to the input received from end users. The manufactured holes were examined by means of optical and electron microscopy, 3D point measurement, micro hardness tests, X-ray diffraction, and electron backscatter diffraction (EBSD). The results give insight on cutting processes in HSLA and indicate how the fatigue failure is dominated by macro defects rather than by the steel grade. It was shown that the higher yield strength of the HSLA grades did not lead to a higher fatigue life. Best fatigue results were achieved with laser-cut specimens while punched samples withstood the lowest amount of cycles.
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7

Guo, Yi, Zhi Qiang Li, and Jin Chao Shi. "A Hole-Punching System for the Pot-Seedling Hole-Punching Machine." Applied Mechanics and Materials 380-384 (August 2013): 160–63. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.160.

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[Purpos in order to solve design problems of the hole-punching system for the pot-seedling hole-punching machine, a system featuring reliable operation, simple structure and stable performance has been designed in accordance with working requirements. [Metho MATLAB is used for accurate calculation of the cam profile, with the calculated results imported to SolidWorks to produce cam profile curves. Such curves are then modified according to working requirements, thereby to build a 3D model for the cam mechanism. Finally, a 3D model for the complete hole-punching system is built with SolidWorks. [Result The hole-punching system designed herein is applied to the pot-seedling hole-punching machine and after performance test has proven to be able to meet working requirements and work reliably. [Conclusion The design of this system can provide theoretical basis and reference for related research.
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8

Tang, Zi Long, and Jian Chang Yuan. "Modal Experiment and Analysis of Needle-Punching Machine." Advanced Materials Research 605-607 (December 2012): 1257–60. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1257.

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Modal analysis is a main method of researching the dynamic performance of the system structure. The deformation of Needle-punching machine frames in the work will affect the whole machine performance, which would seriously influence acupuncture frequency, reduce production efficiency. At the meantime, machine life will be shortened. Here, Needle-punching machine modal experiment has been done, the static natural frequencies and modal deformation animation of frame also has been calculated, that provides a reliable guide and basis for the actual work of deformation for needle-punching machine.
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9

Yan, Ling Yun, Ding Kuan Ye, Xin Min Zhang, Xun Shen, and Yun Yue Ye. "Analysis and Optimization of Starting Characteristics of Tubular Linear Induction Motor." Applied Mechanics and Materials 416-417 (September 2013): 322–27. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.322.

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Traditional mechanical punching machines are mainly driven by rotary motors and a complete set of intermediate transformation mechanism is needed, which results in a reduction of the system efficiency. This paper focuses on the tubular linear induction motor (TLIM) with low cost and simple control structure which directly drives the punching machines. In order to provide a theoretical basis for its further control system, the finite element model of this TLIM is established. The starting performances, such as the trust force, phase current, velocity, displacement and the load force, are analyzed by the finite element analysis (FEA). Moreover, the optimization of the starting trust force is investigated.
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10

Sun, Dong. "Adaptive Coupling Control of Two Working Operations in CNC Integrated Machines*." Journal of Dynamic Systems, Measurement, and Control 125, no. 4 (2003): 662–65. http://dx.doi.org/10.1115/1.1636779.

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To reduce work in progress in the plastic industry, integrated CNC punching and cutting machines have been used recently to combine a number of individual operations into one operation. Application of such integrated machines is confronted with a challenging problem of synchronizing two-axis motions. In this paper, an adaptive coupling controller is utilized to synchronize punching and cutting operations of the integrated CNC machine. The controller incorporates cross-coupling technology into adaptive control design, through feedback of position errors of two motion axes and the differential position error between two axes. It has been shown that the proposed controller guarantees asymptotic convergence to zero of both position errors and the synchronization error. Implementation of this new controller in real-time operations of commercial integrated CNC machines, highlights advantages of the proposed approach.
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