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Performance Study of an Innovative Collaborative Robot Gripper Design on Different Fabric Pick and Place Scenarios

Univ. of Windsor-Morteza Alebooyeh, Bowen Wang, Ruth Jill Urbanic
  • Technical Paper
  • 2020-01-1304
To be published on 2020-04-14 by SAE International in United States
Light-weighting fiber composite materials introduced to reduce vehicle mass and known as innovative materials research activities since they provide high specific stiffness and strength compared to contemporary engineering materials. Nonetheless, there are issues related automation strategies and handling methods. Material handling of flexible textile/fiber components is a process bottleneck and it is currently being performed by setting up multi-stage manual operations for hand layups. Consequently, the long-term research objective is to develop semi-automated pick and place processes for flexible materials utilizing collaborative robots within the process. The immediate research is to experimentally validate innovatively designed grippers for efficient material pick and place tasks. Pick and place experiments on a 0/90 woven carbon fiber fabric with an innovative gripper design is tested using a YuMi 14000 ABB collaborative robot to validate the new-designed gripper enhanced performance on the grab, microscopic thread damage, slippage and material wrinkling based on the previous research [1] for two gripping forces, and two travel speeds. Also, different double-arm pick-move-place scenarios are sought to achieve an acceptable approach through which fabric de-wrinkling…
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Increased resistance to dirt and staining on artificial leather

Ford Motor Company Brazil-Santana Sheilla, Yoshimura Patrícia, Marcal João, Hurtado Luiz, Montenegro Eloy, Neto Paulo
  • Technical Paper
  • 2019-36-0123
Published 2020-01-13 by SAE International in United States
The design trend for interior parts of cars in light colors in shades of beige and grey is a global reality and has increased the demand in new models replacing traditional black color. One of the most important features for the appearance is to keep the color and stay clean the surface of the car interior parts. This development aims to improve the resistance to dirt and staining on artificial leather applied in seat cover with light colors. Comparative dirt and staining trials were conducted with soil, coffee and indigo jeans through abrasion testing by Crocking, followed by clean fabric removal. The performance evaluation was done by through microscopy assays, spectrophotometry to analyze color variation after dirt test in the original samples and dirt test in the same samples exposed to XENON and heat for aging. Finally, this development brings solutions that improves consumer satisfaction. The improved life cycle performance of the car seat surfaces kept clean is the core of this study. This improvement to protect surfaces and prevent it from staining on the…
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New Silk Materials Can Wrinkle into Detailed Patterns, Then Unwrinkle to Be “Reprinted”

  • Magazine Article
  • TBMG-35620
Published 2019-12-01 by Tech Briefs Media Group in United States

Researchers at Tufts University School of Engineering have developed silk materials that can wrinkle into highly detailed patterns — including words, textures, and images as intricate as a QR code or a fingerprint. The patterns take about one second to form, are stable, but can be erased by flooding the surface of the silk with vapor, allowing the researchers to “reverse” the printing and start again. In an article published in the Proceedings of the National Academy of Sciences, the researchers demonstrate examples of the silk wrinkle patterns, and envision a wide range of potential applications for optical electronic devices.1

Method Makes Transistors and Electronic Devices from Thread

  • Magazine Article
  • TBMG-35467
Published 2019-11-01 by Tech Briefs Media Group in United States

A transistor has been made from linen thread, enabling the creation of electronic devices made entirely of thin threads that could be woven into fabric, worn on the skin, or implanted surgically for diagnostic monitoring. The flexible electronic devices could enable a range of applications that conform to different shapes and allow free movement without compromising function.

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Squeak Behavior of Plastic Interfaces

Auto & Truck Services-Lokesh Pancholi
Published 2019-10-11 by SAE International in United States
Automotive is getting advanced and increasingly comfortable with new technologies and demand from customers. Car cabins have become much quieter as compared yesteryears. Where the outside noise has gone down significantly, secondary and small noises like squeak and rattle have become more prominent. Squeak though a transient and short lived, is an unexpected noise and often considered as an irritant. There is an increasing need felt to eliminate squeak completely from the interiors of the vehicle where choice materials play dominant role. This article briefs about the work done on evaluating different plastic interfaces for squeak behavior using Stick-Slip method. Some plastic surfaces were even tested with other interfaces like leather and vinyl coated fabrics. Choice of plastic material and interfaces to be tested were shortlisted after studying many different vehicles and benchmarking. Difference in squeak was also studied with respect to external conditions like temperature, velocity of interfaces, normal force, humidity and roughness. The result of any test is measured in the form of Risk Priority Number (RPN) where higher the RPN, higher is…
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Development and Investigation of Jute/Linen Fibre Reinforced Polymer Composite

BSA Crescent Institute of Science & Technology-Arvinda Pandian, Siddhi Jailani
Published 2019-10-11 by SAE International in United States
In recent automotive era, natural fibre reinforced with thermoset polymer composites have been incorporated by automotive industries especially for interiors, car body panels, dashboards, headliners etc. Natural fibres offer many affirmative qualities such as less weight and cost, especially in reduction of carbon di-oxide which is a major threat to the planet from the automotive sectors. The current work deals with the study of the potential usage of mineral powder (industrial by-product) in polymer. In this paper, hybrid composites with natural fabrics reinforcements and mineral powder as filler to matrix material are developed. The mineral powder used as filler is silica fumes which is a by-product of industries. The hand lay-up methodology is employed to fabricate the composite. The composites with and without mineral filler material are developed. The mechanical properties of the composites are assessed. The mechanical properties of composites with and without mineral filler are compared and their result shows that with addition of filler material, the mechanical properties of the composites are affected. Results disclose that loading of silica fumes increases the…
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Lightweight Exosuit Combines Robotics and Functional Apparel

  • Magazine Article
  • TBMG-35263
Published 2019-10-01 by Tech Briefs Media Group in United States

Between walking and running, human gaits can cover a wide range of speeds; for example, at low speeds, the metabolic rate of walking is lower than that of running in a slow jog. The opposite also is true: at high speeds, the metabolic cost of running is lower than that of speed-walking.

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CONTI SUITS UP

Automotive Engineering: October 2019

Lindsay Brooke
  • Magazine Article
  • 19AUTP10_01
Published 2019-10-01 by SAE International in United States

A team of young innovators aims to transform a critical piece of safety equipment - and create new business - through collaboration.

Few colors shock the human brain into attention more than high-visibility Yellow. “Hi-viz” as it's known in the safety-apparel industry, is an on-the-job requirement for first responders, road workers, tow-truck drivers, linesmen, loggers, couriers, coast guard deck crews - any all-weather vocation for which being seen in low-visibility situations can make the difference between life and death. Included are overnight package-delivery drivers who must sprint across busy city streets - at night, in the fog and rain - to deliver the goods.

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Development of Multi-Material Overhead Stowage Systems for Commercial Aircrafts by Using New Design and Production Methods

3D Systems GmbH-Gunnar Fick
Composite Technology Center / CTC GmbH-Marc Fette
Published 2019-09-16 by SAE International in United States
Innovative, lightweight and cost-efficient aircraft components require the use of modern lightweight materials and efficient production technologies. A promising technology is the combination of chopped fiber Sheet Molding Compounds (SMC) and pre-impregnated, continuous fiber fabrics processed by single-stage compression molding. The so-called Hybrid SMC Technology obtains cost-efficiency as well as time-saving production of loaded and functional aircraft components. However, reliable design principles for components and computing methods for predicting the material behavior have to be developed for a use in aviation industry. Hence, this paper deals with the development of materials, fabrics, manufacturing processes and computing methods related to the Hybrid SMC Technology. Those developments are demonstrated and validated by the implementation of a lightweight multi-material overhead stowage compartment (OHSC) using new design approaches as well as assembly principles.
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Motor Vehicle Brake Fluid

Brake Fluids Standards Committee
  • Ground Vehicle Standard
  • J1703_201909
  • Current
Published 2019-09-13 by SAE International in United States
This SAE Standard covers motor vehicle brake fluids of the nonpetroleum type, based upon glycols, glycolethers, and appropriate inhibitors, for use in the braking system of any motor vehicle such as a passenger car, truck, bus, or trailer. These fluids are not intended for use under arctic conditions. These fluids are designed for use in braking systems fitted with rubber cups and seals made from styrene-butadiene rubber (SBR), or a terpolymer of ethylene, propylene, and a diene (EPDM).
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