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Machines, Volume 11, Issue 8

August 2023 - 77 articles

Cover Story: The paper proposes a new three-dimensional flexible hinge for precision manipulation and positioning where coverage of a large workspace is necessary. The hinge compact configuration results from serially connecting multiple straight- and circular-axis deformable segments in a folded manner. The analytical compliance model, which factors in the allowable stress, is derived based on a simplified hinge geometry. The model predictions are confirmed via finite element simulation and experimental testing of a prototype with maximum relative errors of around 3%. A steel hinge with an outer radius of 0.05 m and a wire diameter of 0.0035 m generates maximum displacements of 0.08 m and can withstand external forces of 70 N. View this paper
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Articles (77)

  • Editorial
  • Open Access
35 Citations
5,123 Views
13 Pages

6 August 2023

Quality products are a main focus for manufacturers. Product users only determine a product to be a quality product if it performs in operation to the user’s perceived standard. Product manufactures need to take a product lifecycle quality (PLQ...

  • Article
  • Open Access
7 Citations
2,158 Views
19 Pages

6 August 2023

The online monitoring and prediction of tool wear are important to maintain the stability of machining processes. In most cases, the tool wear condition can be evaluated by signals such as force, sound, vibration, and temperature, which are often pro...

  • Article
  • Open Access
4 Citations
2,004 Views
20 Pages

Development, Characterization and High-Temperature Oxidation Behaviour of Hot-Isostatic-Treated Cold-Sprayed Thick Titanium Deposits

  • Parminder Singh,
  • Harpreet Singh,
  • Surinder Singh,
  • Eklavya Calla,
  • Harpreet Singh Grewal,
  • Harpreet Singh Arora and
  • Anand Krishnamurthy

4 August 2023

In this work, thick deposits of pure titanium (Ti), with a thickness of around 15 mm, were additively manufactured using high-pressure cold spraying. Nitrogen was employed as the process gas. Subsequently, the deposits were subjected to hot isostatic...

  • Article
  • Open Access
3,341 Views
25 Pages

Automated Configuration of Gripper Fingers from a Construction Kit for Robotic Applications

  • Marco Friedmann,
  • David Klüpfel,
  • Christian Frech,
  • Mijian Liu,
  • Jan Hauf,
  • Gaole Li,
  • Christian Friedrich and
  • Jürgen Fleischer

4 August 2023

Gripper finger design is a complex process that requires a lot of experience, time, and effort. For this reason, automating this design process is an important area of research that has the potential to improve the efficiency and effectiveness of rob...

  • Article
  • Open Access
9 Citations
2,896 Views
17 Pages

4 August 2023

Wheel slip control is a critical aspect of vehicle safety systems, notably the antilock braking system (ABS). Designing a robust controller for the ABS faces the challenge of accommodating its strong nonlinear behavior across varying road conditions...

  • Article
  • Open Access
34 Citations
13,793 Views
20 Pages

Integration of Deep Learning for Automatic Recognition of 2D Engineering Drawings

  • Yi-Hsin Lin,
  • Yu-Hung Ting,
  • Yi-Cyun Huang,
  • Kai-Lun Cheng and
  • Wen-Ren Jong

4 August 2023

In an environment where manufacturing precision requirements are increasing, complete project plans can consist of hundreds of engineering drawings. The presentation of these drawings often varies based on personal preferences, leading to inconsisten...

  • Article
  • Open Access
8 Citations
3,256 Views
22 Pages

Experimental Analysis of Rolling Torque and Thermal Inlet Shear Heating in Tapered Roller Bearings

  • Manjunath Manjunath,
  • Dieter Fauconnier,
  • Wouter Ost and
  • Patrick De Baets

3 August 2023

The investigation in this article focuses on the rolling resistance torque and thermal inlet shear factor in tapered roller bearings (TRBs) through systematic experiments using a modular test setup. TRBs typically operate under Elastohydrodynamic Lub...

  • Article
  • Open Access
7 Citations
2,127 Views
19 Pages

Correction of Shape Error at Cut-In and Cut-Out Points in Abrasive Waterjet Cutting of Carbon Fiber Reinforced Polymer (CFRP)

  • Ioan Alexandru Popan,
  • Cosmin Cosma,
  • Alina Ioana Popan,
  • Nicolae Panc,
  • Daniel Filip and
  • Nicolae Balc

3 August 2023

This paper presents a solution aimed at enhancing the accuracy of abrasive waterjet cutting (AWJC) for the processing of carbon-fiber-reinforced polymers (CFRP). Processing CFRP with high accuracy and good surface quality in a short processing time i...

  • Article
  • Open Access
5 Citations
2,761 Views
23 Pages

3 August 2023

This paper aims to apply the novel integrated Value Engineering and Risk Assessment (VENRA) framework for measuring shipyard performance based on the combination of fuzzy Decision Making Trial and Evaluation Laboratory (DEMATEL) and Analytic Hierarch...

  • Article
  • Open Access
3 Citations
2,162 Views
12 Pages

UniRoVE: Unified Robot Virtual Environment Framework

  • Alberto Zafra Navarro,
  • Javier Rodriguez Juan,
  • Victor Igelmo García,
  • Enrique Ruiz Zúñiga and
  • Jose Garcia-Rodriguez

3 August 2023

With robotics applications playing an increasingly significant role in our daily lives, it is crucial to develop effective methods for teaching and understanding their behavior. However, limited access to physical robots in educational institutions a...

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Machines - ISSN 2075-1702