Results 101 to 110 of about 96,603 (255)

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  

A novel approach for ANFIS modelling based on Grey system theory for thermal error compensation [PDF]

open access: yes, 2014
The fast and accurate modelling of thermal errors in machining is an important aspect for the implementation of thermal error compensation. This paper presents a novel modelling approach for thermal error compensation on CNC machine tools.
Abdulshahed, Ali   +2 more
core   +1 more source

Mechanical Behaviour of Vacuum‐Infused GFRP Composites at Elevated Temperatures—Influence of Fibre Architecture

open access: yesFire and Materials, EarlyView.
ABSTRACT This study addresses the influence of fibre architecture on the mechanical properties of vacuum‐infused glass fibre reinforced polymer (GFRP) composites at elevated temperatures (ET). Laminates with three different fibre configurations—unidirectional (UD), bidirectional 0°/90° cross‐ply (BD), and ±45° off‐axis angle‐ply (OA) – were tested in ...
Eloísa Castilho   +4 more
wiley   +1 more source

An algorithm for controlling of cutting speed based on soft calculations

open access: yesMATEC Web of Conferences, 2017
The algorithm for controlling of cutting speed during machining of parts on equipment CNC is presented in the article. A program code has been developed for controlling of cutting speed on a three-axis milling machine CNC.
Bobyr Maxim   +2 more
doaj   +1 more source

Effect of Designed 3D Reinforcement in Mitigating Machining Damage on CFRP Plates

open access: yesPolymer Composites, EarlyView.
Effect of Edge Tufting on Surface Quality, Damage, and Mechanical Performance in CFRP Machining: A Comparative Topographical and Structural Analysis. ABSTRACT Composite materials made of carbon fiber‐reinforced epoxy (CFRP) are widely used in aerospace fields due to their high strength‐to‐weight ratio. However, due to low out‐of‐plane resistance, these
Thiago Luiz Lara Oliveira   +2 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

Analytical and experimental study of feed rate in high-speed milling [PDF]

open access: yes, 2013
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
core   +3 more sources

Fused Filament Fabrication and Recycling of Bio‐Based Polyamide 11 Reinforced With Recycled Short Carbon Fibers

open access: yesPolymer Composites, EarlyView.
Fused Filament Fabrication and Recycling of Bio‐Based Polyamide 11 Reinforced With Recycled Short Carbon Fibers. Sample preparation, mechanical properties improvement after rCF addition and properties retainment after recycling. ABSTRACT This research investigates the fused filament fabrication (FFF) and recycling of bio‐based polyamide 11 (PA11 ...
Mirko Coser   +2 more
wiley   +1 more source

Determination of machining errors caused by dynamic deformations from process equipment

open access: yesMATEC Web of Conferences, 2018
A method for determining and inputting the correction value is presented based on the data obtained as a result of the diagnosis of a CNC milling machine during machining curvilinear surfaces.
Starikov Aleksandr   +2 more
doaj   +1 more source

Techno-Economic Analysis of Hybrid Layered Manufacturing [PDF]

open access: yes, 2005
Subtractive manufacturing (CNC machining) has high quality of geometric and material properties but is slow, costly and infeasible in some cases; additive manufacturing (RP) is just the opposite.
Akula, Sreenath Babu   +4 more
core   +1 more source

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