Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Transmission Shafts: Problem Solving01:09

Transmission Shafts: Problem Solving

199
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
199
Design of Transmission Shafts - Stress Analysis01:15

Design of Transmission Shafts - Stress Analysis

284
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
284
Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

84
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
84
Design of Transmission Shafts01:16

Design of Transmission Shafts

268
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by...
268
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

157
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
157
Frictional Forces on Screws01:17

Frictional Forces on Screws

1.1K
Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Complete genome sequence of the heavy metal resistant bacterium Altererythrobacter atlanticus 26DY36(T), isolated from deep-sea sediment of the North Atlantic Mid-ocean ridge.

Marine genomics·2015
Same author

BDB: biopanning data bank.

Nucleic acids research·2015
Same author

HLADR: a database system for enhancing the discovery of biomarkers for predicting human leukocyte antigen-mediated idiosyncratic adverse drug reactions.

Biomarkers in medicine·2015
Same author

Towards an effective cross-task mental workload recognition model using electroencephalography based on feature selection and support vector machine regression.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2015
Same author

[Research on Mental Fatigue Detecting Method Based on Sleep Deprivation Models].

Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi·2015
Same author

Structural modeling of HLA-B*1502/peptide/carbamazepine/T-cell receptor complex architecture: implication for the molecular mechanism of carbamazepine-induced Stevens-Johnson syndrome/toxic epidermal necrolysis.

Journal of biomolecular structure & dynamics·2015
Same journal

Turbulent flow in a vortex separator with a directed pipe inlet.

Scientific reports·2026
Same journal

Systematic characteristic evaluation of clay-based cementitious material derived from calcium carbide residue and waste tile powder.

Scientific reports·2026
Same journal

Retraction Note: Improvement of a rapid diagnostic application of monoclonal antibodies against avian influenza H7 subtype virus using Europium nanoparticles.

Scientific reports·2026
Same journal

Applying large language models to spam detection in the Kazakh low-resource language setting.

Scientific reports·2026
Same journal

An open-source 3D printing system enabling in-situ freeze-thaw processing of hydrogels.

Scientific reports·2026
Same journal

An enhanced EfficientNet framework for automated waste classification using cosine annealing and label smoothing.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: May 15, 2025

Application of Design Aspects in Uniaxial Loading Machine Development
05:23

Application of Design Aspects in Uniaxial Loading Machine Development

Published on: September 19, 2018

5.8K

Multifactor exploration and multi-objective optimization of trapezoidal threads.

Yongchao Zhou1, Zhihua Yan2, Peng Zhou3

  • 1School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, 450066, Henan, China.

Scientific Reports
|April 8, 2025
PubMed
Summary
This summary is machine-generated.

Optimizing trapezoidal thread parameters like pitch and tooth angle significantly improves screw elevator performance. This research enhances structural integrity and transport efficiency for mechanical transmission systems.

Keywords:
DynamicsModal frequenciesOrthogonal experimentsTrapezoidal threads

More Related Videos

Operation of the Collaborative Composite Manufacturing CCM System
10:09

Operation of the Collaborative Composite Manufacturing CCM System

Published on: October 1, 2019

6.5K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K

Related Experiment Videos

Last Updated: May 15, 2025

Application of Design Aspects in Uniaxial Loading Machine Development
05:23

Application of Design Aspects in Uniaxial Loading Machine Development

Published on: September 19, 2018

5.8K
Operation of the Collaborative Composite Manufacturing CCM System
10:09

Operation of the Collaborative Composite Manufacturing CCM System

Published on: October 1, 2019

6.5K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K

Area of Science:

  • Mechanical Engineering
  • Tribology
  • Materials Science

Background:

  • Trapezoidal threads are critical components in mechanical transmission systems, widely used across various industries.
  • Optimizing trapezoidal thread parameters is essential for enhancing the performance of threaded transmission mechanisms.

Purpose of the Study:

  • To investigate the impact of key trapezoidal thread parameters (pitch, number of thread heads, tooth angle, tooth height) on the structural performance of a screw elevator mechanism.
  • To determine the optimal parameter combination for improved dynamic performance, modal frequency, and transport efficiency.

Main Methods:

  • Utilized dynamic simulation with ANSYS software.
  • Employed orthogonal experimental design for systematic analysis.
  • Conducted polar analysis to determine parameter importance.

Main Results:

  • Optimized parameters led to a 29.1% reduction in structural equivalent stress.
  • Achieved a 24.5% increase in the first-order modal frequency.
  • Enhanced transport rate by 11.1%.

Conclusions:

  • The study provides a derived optimal parameter combination for trapezoidal threads.
  • Results offer theoretical support for the development and safe application of trapezoidal threads in screw drives and similar mechanisms.