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Design Optimization and structural validation of Onboard Vacuum cleaner

FCA Engineereing India Pvt, Ltd.-Karthik AJ
  • Technical Paper
  • 2020-01-0481
To be published on 2020-04-14 by SAE International in United States
Vacuum cleaner in the vehicle is a necessary equipment for the customer to keep the vehicle cabin clean and maintain it periodically without trashes being trapped inside the vehicle. The trash management systems in the vehicle is one of the challenging task which the OEMs don’t have the control on how the customers handle it during various circumstances. This paper attempts in discussing the robust Vacuum cleaner design approach for passenger cars and validate the design through virtual approach. Onboard Vacuum cleaner are always complex due to sophisticated packaging in the rear cargo compartment and complicated mounting points of the Interior trim which customers access too often. Appropriate mounting is required to properly hold the Vacuum cleaner in the vehicle position and isolate the vibrations coming from the body and vacuum motor itself. Since the Onboard Vacuum cleaner assembly is held with bracket attached to the body in white, where it is subjected to the body vibration profile. This causes the entire assembly subject to lot of static and dynamic stresses, proper counter measures have…
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Measurement and Evaluation of Vacuum Suction Cups using Digital Image Correlation

Oakland Univ-BOYANG Zhang, Rong Wang, Wen MA, bicheng Guo, Lianxiang Yang
Oakland Univ.-Wan Xu
  • Technical Paper
  • 2020-01-0542
To be published on 2020-04-14 by SAE International in United States
As vacuum suction cups are widely used in stamping plants, it becomes urgent and important to understand their performance and failure modes. Vacuum suction cups are employed to lift, move, and place sheet metal instead of human’s hands. Occasionally the vacuum cups would fail and drop parts, even it would cause expensive delays in the production line. In this research, several types of vacuum cups have been studies and compared experimentally. A new tensile device and test method was developed to measure the pulling force and deformation of vacuum cups. The digital image correlation technique has been adopted to capture and analyze the contour, deformation and strain of the cups under different working conditions. The experimental results revealed that the relevant influential parameters include cup type, pulling force angles, vacuum levels, sheet metal curvatures, etc. Also, the deformation distribution and history of the cups denote the weak part and failure mechanism during operation. Moreover, this work could help designers and operators thoroughly understanding the performance of vacuum suction cups and greatly improved in further work.
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Steel, Corrosion-Resistant, Bars and Forgings, 11.5Cr - 10Ni - 1.0Al - 0.5Ti - 1.0Cu - 1.0W, Vacuum Induction Plus Vacuum Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5929A
  • Current
Published 2020-01-14 by SAE International in United States

This specification covers a corrosion-resistant steel in the form of bars and forgings 8 inches (203 mm) and under in nominal diameter or maximum cross-sectional dimension, and forging stock of any size (see 8.7).

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More than a brake

Robert Bosch Ltda – Chassis Systems Control Unit-Emerson Batagini
  • Technical Paper
  • 2019-36-0020
Published 2020-01-13 by SAE International in United States
The automotive world is battling every day to provide innovation and product development without compromising the environment. The electrification of the engines can be a factor that divides eras into the market. The conventional brake system links the act of apply the brake pedal with the stop or deceleration of the vehicle. This is now possible thanks to the long-term use of the vacuum generated by the combustion engine or by auxiliary equipment (vacuum pump). New brake system technologies provides, without a vacuum source, more efficient and safer braking than the current power brake system. Embedded in technological developments, these systems interacts with other vehicle components (cameras, radars, ABS, ESC) bringing the driver advanced safety conditions.
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Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing, 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) 0.90Ti - 0.50Al - 18Fe, Consumable Electrode Remelted or Vacuum Induction Melted, 1775 °F (968 °C) Solution Heat Treated

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5589G
  • Current
Published 2019-12-13 by SAE International in United States

This specification covers a corrosion and heat-resistant nickel alloy in the form of seamless tubing 0.125 inch (3.18 mm) and over in nominal OD with nominal wall thickness 0.015 inch (0.38 mm) and over (see 8.6).

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Nickel Alloy, Corrosion and Heat-Resistant, Bars and Forgings, 57Ni - 20Cr - 10Co - 8.5Mo - 2.1Ti - 1.5Al - 0.005B, Vacuum Induction and Consumable Electrode Melted, Solution Heat Treated, Precipitation Heat Treatable

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5915A
  • Current
Published 2019-12-02 by SAE International in United States

This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, and stock for forging.

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Tips for Reducing Error When Using Eddy Current Measuring Techniques

Aerospace & Defense Technology: December 2019

  • Magazine Article
  • 19AERP12_02
Published 2019-12-01 by SAE International in United States

Inductive eddy current technology is an extremely versatile non-contact method for measuring an object's position, distance, or vibration. Unaffected by environmental contaminants or target finish characteristics, these sensors can operate in a vacuum or in fluids, so they work well for dirty applications, like those with oil or dust present. To get the most out of eddy current sensors, follow these tips for reducing errors that can affect a measurement's accuracy.

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Vehicle Interior cleanliness tracker

Aptiv Components India Pvt Ltd.-Vijayalakshmi kr, Anitha Loganathan
  • Technical Paper
  • 2019-28-2466
Published 2019-11-21 by SAE International in United States
The future of mobility is being driven towards fully autonomous driving. As a result, people spend majority of the time in vehicles for chores other than driving. The focus of automotive makers shifts towards providing best-in-class passenger comfort. One of the least focused area in passenger comfort is vehicle interior cleanliness which requires periodic human intervention. An intelligent vehicle can outsmart a human by self-caring to maintain the cleanliness elements on floor, seat and roof. This paper addresses subjects like wetness, dirt and stains in the vehicle interior utilizing the capability of Interior sensing platform. An internally mounted camera in the vehicle can capture images of the interior and apply image processing techniques to identify the subjects mentioned above. The wetness on the floor mats can lead to moldy odor, corrosion, failure of the electronic components in the car. Over a period, the vehicle upholstery or seats absorb the dirt and stains and lead to foul smell. HVAC can be used for drying the interior as appropriately detected by the system. A modern system to…
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Vacuum Excavation and Sewer Cleaning Equipment Classification and Nomenclature

MTC9, Trenching and Horizontal Earthboring Machines
  • Ground Vehicle Standard
  • J3106_201911
  • Current
Published 2019-11-19 by SAE International in United States
This document lists common terminology for vacuum excavation and sewer cleaning equipment, including component names and specific work completed by these machines. This document also illustrates some common types of equipment.
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Experimental Investigation of Silicon Carbide Nanoparticles Reinforced Magnesium Alloy (AZ91E) Metal Matrix Composite by Vacuum Stir Casting Method

Centre for Automotive Materials, SRMIST-Chandradass Jeyaseelan, Baskara Sethupathi Paramathma
PRIST-Thirugnana Sambandham Thangavel, Kannan Mahadevan
Published 2019-10-11 by SAE International in United States
In the present investigation silicon carbide nanoparticles reinforced magnesium alloy [AZ91E] composites were prepared by vacuum stir casting process in an inert atmosphere. Required amount of silicon carbide nanoparticles with grain size of 50nm was added into AZ91E molten melt with constant stir speed of 600 rpm and vacuum pressure of 1 lpm to obtain magnesium alloy composite containing 0, 5, 7.5 and 10 wt.% SiCp nanoparticles. The prepared composites were subjected to mechanical and microstructure studies. The mechanical properties were found to increase with the addition of silicon nanoparticles compared to unreinforced magnesium alloy. The maximum impact strength, yield strength and tensile strength were found to be 29.13J, 156 MPa and 401.13 MPa respectively. Microstructure studies reveal uniform distribution of silicon carbide in magnesium alloy matrix.
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