Results 61 to 70 of about 3,095 (189)

Laser Engraving on a CNC Milling Machine

open access: yesActa Materialia Transylvanica
This article details how a commercially available diode laser (VoidMicro LD4070HF Pro) can be integrated into a conventional 3-axis CNC milling machine (HAAS Mini Mill Edu). Thanks to this development, the CNC milling machine is now able to perform a new machining process. The laser module has a major impact on the development of the secondary time, in
Viktor Gergely Ráczi, Balázs Mikó
openaire   +1 more source

Toward the Application of Multiaxial Failure Criteria: Mean Stress Sensitivity of Carbide‐Rich, High‐Alloy PM‐HIP Tool Steels Under Axial and Torsional Cyclic Loading

open access: yessteel research international, EarlyView.
This study quantifies axial and torsional long‐life fatigue (LLF) behavior of three carbide‐rich PM‐HIP tool steels, correlating LLF strength with intrinsic defect size and cleanliness, thereby extracting material‐specific mean stress sensitivities and Haigh diagrams.
Lennart Mirko Scholl   +4 more
wiley   +1 more source

Single Line Drawing Generation via Semantics‐Driven Optimization

open access: yesComputer Graphics Forum, EarlyView.
We present a method for automatically generating single‐line drawings in vector format, guided by a text prompt or an input image. Our approach leverages score distillation sampling to optimize the parameters of a uniform rational B‐spline (URBS) curve, ensuring that the drawing consists of a single continuous stroke by design.
Tanguy Magne   +3 more
wiley   +1 more source

Entropy‐based sampling for efficient training of deep learning on CNC machining dataset

open access: yesElectronics Letters
In the domain of modern manufacturing, computer numerical control (CNC) milling machines have emerged as instrumental assets. However, the data they generate is of vast amount, but usually contains redundancies and displays consistent patterns, making it
Mingyu Sung   +6 more
doaj   +1 more source

Multicenter RCT 6‐Year Survival of Zirconia‐Reinforced Lithium Silicate Endocrowns: 90° Shoulder Versus Butt‐Joint Margins

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Objectives Margin design significantly influences endocrown biomechanical performance. Nevertheless, long‐term clinical data comparing margin designs within a singular zirconia‐reinforced lithium silicate (ZLS) system remain scarce. This study reports the 6‐year follow‐up results of a multicenter, prospective, randomized, assessor‐blinded ...
Ping Xiao   +9 more
wiley   +1 more source

‘Civilizing’ Smallholders Through Oil Palm: The Politics of Subsumption Across Southern Mexico's Commodity Frontiers

open access: yesJournal of Agrarian Change, EarlyView.
ABSTRACT While most frontier studies associate commodity expansions with dispossession, I argue that such expansions can also function as ‘civilizational’ projects aimed at overcoming traditional farming and creating new rural subjects better suited to the needs of capitalist development. Using a Gramscian approach to study subsumption, I analyse three
Antonio Castellanos‐Navarrete
wiley   +1 more source

基于多体理论的数控双盘铣刀加工斜齿轮啮合分析

open access: yesJixie chuandong, 2007
Based on the theory of multi-body system and motion of CNC gear milling machine, the meshing model of CNC helical gear milling with the double dick-type cutter was built, and the spiral surface equation was established.
陈晓飞, 黄筱调, 方成刚
doaj  

Selection strategy for milling parts on CNC Machines

open access: yesAdvanced Technologies in Mechanics, 2015
Practical knowledge and experience of engineers, CNC programmers, operators related to the implementation of production tasks in the workshop are essential. Every day, developed, perfected for companies specialty, “technological knowledge base “, is a specific, dedicated to the particular conditions of the key to success – the “know -how “in the ...
Adam Zalewski, Sergiusz Sobieski
openaire   +1 more source

Biomechanics of the implant‐supported full arch fixed complete denture manufactured by milling and injection techniques: An experimental and FEA study

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose This study aims to characterize the mechanical properties of implant‐supported full arch fixed complete dentures manufactured by milling and injection techniques. Materials and Methods Twenty‐two samples with milling and injection manufacturing techniques were fabricated.
Mustafa Gürkan   +7 more
wiley   +1 more source

Operational Modal Analysis of CNC Machine Tools Based on Flank-Milled Surface Topography and Cepstrum

open access: yesVibration
Conducting research on the dynamics of machine tools can prevent chatter during high-speed operation and reduce machine tool vibration, which is of significance in enhancing production efficiency.
Liwen Guan, Yanyu Chen, Zijian Wang
doaj   +1 more source

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