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Three-Dimensional Force System

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...

Three-Dimensional Force System:Problem Solving

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...

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Related Experiment Video

Updated: May 14, 2026

Planar and Three-Dimensional Printing of Conductive Inks

Planar and Three-Dimensional Printing of Conductive Inks

Published on: December 9, 2011

In Situ Pixel-Scale Magnetic Programming 3-Dimensional Printing for Multimode Soft Miniature Robots with

Song Zhao¹, Liwen Zhang¹, Kuntao Tan¹

¹School of Mechanical Engineering and Automation, Beihang University, Beijing, China.

Research (Washington, D.C.)

|July 23, 2025

Summary

This summary is machine-generated.

Researchers developed advanced 3D-printed magnetic microrobots using pixel-scale magnetic programming. These intelligent robots offer precise control for targeted drug delivery in complex body pathways.

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Four-Dimensional Printing of Stimuli-Responsive Hydrogel-Based Soft Robots

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Published on: January 13, 2023

Area of Science:

Biomedical Engineering
Materials Science
Robotics

Background:

Magnetic microrobots offer noncontact, real-time control for targeted drug delivery in confined biological pathways.
The fabrication method is critical for the functionality and precision of these magnetic robots.

Purpose of the Study:

To develop an advanced 3D printing technique for fabricating magnetic microrobots with enhanced control and functionality.
To enable precise, on-demand magnetic programming for intelligent robotic structures.

Main Methods:

Utilized photocuring 3D printing with in situ pixel-scale magnetic programming.
Employed a 3D uniform magnetic field generator (approx. 50 mT) for rotating and aligning magnetic particles.
Introduced a key-node splicing magnetization method for multicurved deformations and 3D spatial magnetization for customized designs.

Main Results:

Achieved spatial resolution of 50 μm for printed intelligent structures.
Demonstrated various locomotion modes (rolling, creeping, swimming) and patch-based drug release.
Enabled precise multidirectional swimming and multitarget droplet-based drug delivery with customized spiral capsule robots.

Conclusions:

The developed 3D printing technique enables the creation of multimode and multifunctional magnetic microrobots.
These magnetic actuators show validated in vivo performance in confined environments like the gastrointestinal tract and bladder.
This technology holds significant potential for advanced targeted drug delivery applications.