Results 61 to 70 of about 5,183 (205)

A certification method for the milling process of free-form surfaces using a test part [PDF]

open access: yes, 1999
International audienceIt is generally admitted that the manufacturing of free-form surfaces requires the use of a CAD-CAM system. The toolpath accuracy and the dimensional quality of the final shape have to be in accordance with the geometrical ...
Duc, E, Lartigue, C, Thiebaut, François
core   +3 more sources

Low‐Cost Friction‐Based Force‐Limiting Connection With Reduced Sensitivity to Machining Tolerances and Accelerated Repairability

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT This paper presents a novel yet practical friction‐based structural component design for low‐damage earthquake‐resistant structures. The proposed connection design is based on a conventional slotted‐bolted configuration with the novelty being the use of loose steel washer plates to establish the friction‐sliding interface.
Kaixin Chen   +7 more
wiley   +1 more source

Optimal Realtime Toolpath Planning for Industrial Robots with Sparse Sensing

open access: yesActuators
Non-contact surface processing does not involve direct contact between the tool and a worksurface. An industrial robot mostly uses preplanned toolpaths to perform non-contact surface processing.
Enkhsaikhan Boldsaikhan, Cole Birney
doaj   +1 more source

A dynamic priority-based approach to concurrent toolpath planning for multi-material layered manufacturing [PDF]

open access: yes, 2010
This paper presents an approach to concurrent toolpath planning for multi-material layered manufacturing (MMLM) to improve the fabrication efficiency of relatively complex prototypes. The approach is based on decoupled motion planning for multiple moving
Choi, SH, Zhu, WK
core   +1 more source

Exploring Thermal and Mechanical Strains During Laying Down Process in Fused Filament Fabrication

open access: yesMacromolecular Materials and Engineering, EarlyView.
This study analyzes strain evolution and thermal behavior during FFF of PLA using strain gauges and infrared imaging. Microstrain levels depend on printing conditions, with adhesion‐induced compression during cooling and peak strains in early layers. Microtomography shows minimal porosity, while thermal imaging reveals rapid heat penetration, strong ...
Boubakeur Mecheri   +3 more
wiley   +1 more source

A Multi-Material Virtual Prototyping System [PDF]

open access: yes, 2003
This paper proposes a virtual prototyping system for digital fabrication of multimaterial prototypes. It consists mainly of a topological hierarchy-sorting algorithm for processing slice contours, and a virtual simulation system for visualisation and ...
Cheung, H.H., Choi, S.H.
core   +2 more sources

Development of carbon fiber acrylonitrile styrene acrylate composite for large format additive manufacturing [PDF]

open access: yes, 2020
The increasing interest of Large Format Additive Manufacturing (LFAM) technologies in various industrial sectors mainly lies on the attainable production of pieces reaching several cubic meters. These new technologies require the development of optimized
Casal, Víctor   +4 more
core   +1 more source

Synergistic Continuous and Short Fiber Reinforcement in Additively Manufactured Poly(Ether Ether Ketone) Composites

open access: yesPolymer Composites, Volume 47, Issue 3, Page 2178-2192, 10 February 2026.
Synergistic Composite: Fabrication and Evaluation of Continuous and Chopped Fiber Reinforced PEEK Matrix. ABSTRACT Enhancing the mechanical properties of 3D‐printed thermoplastic composites has become a critical focus in advanced manufacturing, particularly for high‐performance materials like PEEK.
Altuğ Uşun   +2 more
wiley   +1 more source

Continuous Toolpath Planning in Additive Manufacturing

open access: yes, 2019
Accepted in SPM2020; implementation details expanded, manuscript revised after review.
Gupta, Prashant   +2 more
openaire   +2 more sources

Curved Layer Fused Filament Fabrication Using Automated Toolpath Generation [PDF]

open access: yes3D Printing and Additive Manufacturing, 2016
An automated method for the generation of curved layer toolpaths is demonstrated to produce 3D printed components with improved aesthetic and structural properties using fused filament fabrication printing. Three case studies are shown, which demonstrate the ability of the G-code generating algorithm to resolve concave and convex structures.
Llewellyn-Jones, Thomas M   +2 more
openaire   +4 more sources

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