Results 11 to 20 of about 25,590 (283)
The helical contour motion accuracy of feed drive axes is important for thread milling operations in computer numerical control (CNC) machine tools. However, the motion dynamics and external disturbances significantly affect the contour motion results ...
Syh-Shiuh Yeh, Wei-Jia Jiang
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Surface roughness and vibration analysis in end milling of annealed and hardened bearing steel
This experimental study involves statistical analysis, mathematical modeling and optimization of machined surface roughness (Ra) well as the level of workpièce displacements (D) recorded during the shoulder and contour milling of AISI 52100 bearing steel.
Mohamed Zakaria Zahaf +1 more
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A TC4 impeller blade is a typical weak, rigid, thin–walled part. The contact area between a cutting tool and a workpiece has strong time–varying characteristics. This leads to a strong non–linear variation in cutting load.
Rongyi Li +6 more
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Influence of Elastomer Layers in the Quality of Aluminum Parts on Finishing Operations [PDF]
In finishing processes, the quality of aluminum parts is mostly influenced by static and dynamic phenomena. Different solutions have been studied toward a stable milling process attainment.
Lamikiz, Aitzol +3 more
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A Study on Improving the Machining Performance of Scrolls
To improve machining efficiency and product precision in scroll manufacturing, we studied three adaptive milling processes: adaptive feed rate planning, chatter suppression measures, and optimization of milling parameters during the rough, semi-fine, and
Yi-Tsung Lin +5 more
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Research on Surface Roughness of Supersonic Vibration Auxiliary Side Milling for Titanium Alloy
The processed surface contour shape is extracted with the finite element simulation software. The difference value of contour shape change is used as the parameters of balancing surface roughness to construct finite element model of supersonic vibration ...
Xuetao Wei +5 more
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Technology for programming contour milling on a CNC machine
Представлено нову технологію проєктування керуючих програм для контурного фрезерування на верстатах з числовим програмним керуванням (ЧПК). Технологія забезпечує стабілізацію процесу різання по всьому контуру на оптимальному рівні за рахунок управління подачею, що забезпечує підвищення продуктивності при виконанні вимог щодо обмежень.
Yuriy Petrakov +2 more
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The robotic milling of automotive casting components can effectively reduce human participation in the production process and enhance production efficiency and quality, but the premise addresses the reasonable planning of machining paths.
Hao Wu, Yudi Wang, Xiaoxu Wei, Dahu Zhu
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Analytical and experimental study of feed rate in high-speed milling [PDF]
In the context of high-speed milling (HSM), during the machining process dynamic machine response has to be identified. To achieve this, we have to calculate the feed rate evolution in linear and circular interpolation according to dynamic performance of
Baili, Maher +4 more
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The self-excitation damping ratio: A chatter criterion for time-domain milling simulations [PDF]
Regenerative chatter is known to be a key factor that limits the productivity of high speed machining. Consequently, a great deal of research has focused on developing predictive models of milling dynamics, to aid engineers involved in both research and ...
Altintas +15 more
core +1 more source

