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RISPhotocuring Temperature Study for Curl Distortion Control in Projection-Based Stereolithography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Polymerization shrinkage and thermal cooling effect have been identified as two major factors that lead to the curl distortion in the stereolithography apparatus (SLA) process. In this paper, the photocuring temperature ...
Mask Image Planning for Deformation Control in Projection Based Stereolithography Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The maskimageprojectionbased stereolithography process (MIPSL) using a digital micromirror device (DMD) is an areaprocessingbased additive manufacturing (AM) process. In the MIPSL process, a set of mask images are dynamically ...
GIS for Highway Engineering Bearing Capacity Evaluation
Publisher: American Society of Civil Engineers
Abstract: The bearing capacity of soils under highway engineering differs from that of soils under the building foundation as a result of different superstructure types and foundation forms. Determining the characteristic value of ...
Deposition Process and Equivalent Markov Motion of High-Inertia Particles in a Long Straight Pipeline
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two methods are used to study the process of particle deposition in a turbulent pipe flow. The Monte Carlo method tracks 10,000 particles in the turbulent pipe flow to reproduce the deposition process of the particles. The ...
Kinetostatic Modeling of Continuum Delta Robot With Variable Curvature Continuum Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Continuum robots have attracted lots of attention due to their structural compliance, manipulation dexterity, and design compactness. To extend the application scenarios, a slender continuum robot, the CurviPicker, was ...
A Pilot Study of a Continuum Shoulder Exoskeleton for Anatomy Adaptive Assistances
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many existing exoskeletons have followed a similar design concept that a rigid kinematic chain is actuated to mobilize a human wearer in spite of the intended applications. For performanceaugmenting applications where an ...
A Reverse Compensation Framework for Shape Deformation Control in Additive Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Shape deformation is a well-known problem in additive manufacturing (AM). For example, in the stereolithography (SL) process, some of the factors that lead to part deformation including volumetric shrinkage, thermal cooling, ...
Design of a Lightweight Single-Actuator Multi-Grasp Prosthetic Hand With Force Magnification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Restoring human grasp functions by prosthesis is a long-standing challenge in robotics research. Aiming at prosthetic applications, this paper presents a novel anthropomorphic multi-grasp hand design. The hand is driven ...
Study of Insertion Force and Deformation for Suturing With Precurved NiTi Guidewire
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This research presents an experimental study evaluating stomach suturing using a precurved nickel–titanium (NiTi) guidewire for an endoscopic minimally invasive obesity treatment. Precise path planning is critical for ...
Statistical Predictive Modeling and Compensation of Geometric Deviations of Three Dimensional Printed Products
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Geometric fidelity of 3D printed products is critical for additive manufacturing (AM) to be a direct manufacturing technology. Shape deviations of AM built products can be attributed to multiple variation sources such as ...