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Kunpeng Tian, Bin Zhang, Cheng Shen, Haolu Liu, Jicheng Huang and Aimin Ji
In response to the unclear issue of whether the dynamic cutting performance and structural parameters of an industrial hemp blade, which was developed earlier based on the bionic prototype of the batocera horsfieldi, can be optimized in actual working co...
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Tao Wang, Zhengdao Liu, Xiaoli Yan, Guopeng Mi, Suyuan Liu, Kezhou Chen, Shilin Zhang, Xun Wang, Shuo Zhang and Xiaopeng Wu
Due to a lack of an accurate model in finite element simulation of mechanized harvesting of wild chrysanthemum, the stem of wild chrysanthemum in the harvesting period is taken as the research object. ANSYS Workbench 19.0 software and LS-DYNA software (L...
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Guangyuan Zhong, Hongwen Li, Jin He, Qingjie Wang, Caiyun Lu, Chao Wang, Zhenwei Tong, Dandan Cui and Dong He
To solve the problem of low straw-cutting efficiency of single-disc openers of no-till planters under conditions of high soil moisture content, a single-disc furrowing and straw-cutting device was designed based on the support-cutting principle. To impro...
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Daipeng Lu, Wei Wang, Encai Bao, Shilin Wang, Xue Wu, Zongchun Bai and Yuxin Tang
The cutting device in the seedling grafting process was studied, which provided a reference for optimizing the structural parameters and working parameters of important shearing components in the seedling grafting line, thereby improving the performance ...
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Yiping Ouyang, Qi Yang, Xinquan Chen and Yongfu Xu
Cutter suction dredgers are important pieces of rock excavation equipment in port and waterway construction. It is valuable but difficult to properly estimate the cutting force on the chisel pick of the cutter suction dredger. In this paper, an analytica...
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Ngoc-Pi Vu, Quoc-Tuan Nguyen, Thi-Hong Tran, Hong-Ky Le, Anh-Tuan Nguyen, Anh-Tung Luu, Van-Tung Nguyen and Xuan-Hung Le
Cutting regime parameters play an important role in determining the efficiency of the grinding process and the quality of the ground parts. In this study, the influences of the cutting parameters, including the cutting depth (ae), the feed rate (Fe) and ...
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Jian Li, Pengbo He, Huankun Li, Shifa Li, Liping Xu and Kui He
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János György Bátorfi, Mátyás Andó
Pág. 136 - 144
The authors analyzed the force and stress values in the simplified cutting model and compared the results with the literature. For the study a 2D model was created in DEFORM 2D finite element software, using the temperature depended multilinear flow...
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Sudjatmiko Sudjatmiko,Rudy Soenoko,Agus Suprapto,Moch Agus Choiron
Pág. 54 - 60
The research on the lathe process has described that the tool nose radius parameter is one of the factors that has an influence on surface roughness in the form of product quality. Chip slenderness ratio is an important parameter in the lathe process tha...
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Nicola Pranno, Francesca De Angelis, Sara Giulia Fischetto, Edoardo Brauner, Mirko Andreasi Bassi, Annalisa Marrapese, Gerardo La Monaca, Iole Vozza and Stefano Di Carlo
Bone density at the implant site is correlated to the success of osseointegration. The objective of this in vitro study was to evaluate the efficacy of osseodensification burs in increasing bone density using a solid polyurethane foam block model. The os...
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Chhandak Mukherjee, Marina Deng, Virginie Nodjiadjim, Muriel Riet, Colin Mismer, Djeber Guendouz, Christophe Caillaud, Hervé Bertin, Nicolas Vaissiere, Mathieu Luisier, Xin Wen, Magali De Matos, Patrick Mounaix and Cristell Maneux
This review paper reports the prerequisites of a monolithic integrated terahertz (THz) technology capable of meeting the network capacity requirements of beyond-5G wireless communications system (WCS). Keeping in mind that the terahertz signal generation...
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Bonfim Amaro Junior, Marcio Costa Santos, Guilherme Nepomuceno de Carvalho, Luiz Jonatã Pires de Araújo and Placido Rogerio Pinheiro
The problem of efficiently cutting smaller two-dimensional pieces from a larger surface is recurrent in several manufacturing settings. This problem belongs to the domain of cutting and packing (C&P) problems. This study approached a category of C&am...
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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Anna A. Okunkova, Petr M. Pivkin, Pavel Y. Peretyagin and Artem Ershov
The study is devoted to the development and testing of technological principles for the manufacture of solid end mills from ceramics based on a powder composition of a-SiAlON, ß-SiAlON, and TiN additives, including spark plasma sintering powder compositi...
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João Ribeiro, Hernâni Lopes, Luis Queijo, Daniel Figueiredo
Pág. 30 - 35
This paper presents a study of the Taguchi design application to optimize surface quality in a CNC end milling operation. The present study includes feed per tooth, cutting speed and radial depth of cut as control factors. An orthogonal array of L9 was u...
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D.L Zariatin
One of the problem in metal cutting is tool wear. Its close relation to the expected tool life and quality of product, make tool wear become object of investigation. Eventough tool manufacturers always give recommendation on machining parameter, but they...
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Rodrigo Barros de Borba, Sergio Luiz Moni Ribeiro Filho, Lincoln Cardoso Brandão
Pág. 465 - 468
Drilling is among the most important manufacturing processes in modern industry. Information on the dynamics of the drilling process is very important to define optimum input parameters. The minimization of burrs is a great challenge in drilling process....
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István Biró, Miklós Czampa, Tibor Szalay
Pág. 16 - 22
Machining and more specifically face milling are productive ways of material shaping. Predictive models are very important for effective: quick, easy-to-use and accurate process planning. There are many industrial and scientific researches about modellin...
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Kunpeng Tian, Jicheng Huang, Bin Zhang, Aimin Ji and Zhonghua Xu
In response to the unclear impact of header vibration on cutting performance (stalk cutting quality and cutting energy consumption) during field operations of industrial hemp harvesters, this study utilized a vibration recorder to collect information on ...
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Jinwu Wang, Zhe Liu, Mao Yang, Wenqi Zhou, Han Tang, Long Qi, Qi Wang and Yi-Jia Wang
Weeds compete with rice for sunlight and nutrients and are prone to harboring pathogens, leading to reduced rice yields. Addressing the issues of low weeding efficiency and weed mortality rates in existing inter-row weeding devices, the study proposes th...
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Bin Li, Xiaolong Gao, Xuegeng Chen, Yang Liu, Shiguo Wang and Yuncheng Dong
To solve the problems associated with the poor harvesting ability of existing sunflower harvester cutting tables, and high seed drop rates, we designed a sunflower cutting table that can greatly improve the operational performance of sunflower combine ha...
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