Essays about: "excavator"

Showing result 1 - 5 of 34 essays containing the word excavator.

  1. 1. Utveckling av barrträdsföryngringar markberedda med grävmarkberedning kontra harvning på blockrik skogsmark

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Svante Brus; [2023]
    Keywords : markberedning; föryngring; död ved; tillväxt; ekonomi;

    Abstract : Markberedning utförs på ungefär 90 % av den föryngrade arealen i Sverige varje år och utförs vanligtvis maskinellt med avsikt att bearbeta marken för att skapa goda förutsättningar för plantetablering. En icke obetydlig del av Stora Ensos markinnehav är på blockrik mark som är tekniskt svår att markbereda. READ MORE

  3. 2. Alternative traction system for road-rail vehicles

    University essay from Lunds universitet/Innovation

    Author : Jakob Runevad; [2023]
    Keywords : Product development; electric traction; construction equipment; road-rail vehicles.; Technology and Engineering;

    Abstract : Excavators have traditionally been diesel driven with hydraulic actuators, but with the ongoing electrification of vehicles, smaller electric excavators are getting more common. Larger electrical excavators are still in a prototyping or early production stage but can be expected to grow. READ MORE

  4. 3. Challenges and Metallurgical Benefits of Implementing Metal Additive Manufacturing : A Case Study on Excavator Bucket Teeth Comparing Sand Casting with Additive Manufacturing

    University essay from Mälardalens universitet/Akademin för innovation, design och teknik

    Author : Sam Thai; Michael Thunberg; [2023]
    Keywords : Challenges; Electron Beam Melting; Metal Additive Manufacturing; Metallurgy; Microstructure; Porosity; Qualification; Sand Casting;

    Abstract : Introduction: Production systems go through changes over time and there are different factors driving the change. Metal Additive manufacturing (AM) could be a factor with industries that already havetaken interest in the manufacturing technique. READ MORE

  5. 4. Electrification Of A Tiltrotator : Electrifying The Hydraulic Tilt Function

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Viggo Jonason; [2023]
    Keywords : Electrification; Hydraulic systems; Efficiency; Electromechanical Actuators; Tiltrotator.; Elektrifiering; Hydrauliska system; Verkningsgrad; Elektromekaniska aktuatorer; Tiltrotator.;

    Abstract : As new emission regulations in the EU set more stringent requirements on greenhouse gas (GHG) emissions, original equipment manufacturers (OEM) must find ways to align with the EUs sustainability goals. By transitioning to more electrically driven machinery, operators of off-highway vehicles can benefit from better fuel economy, lower greenhouse gas emissions and less air pollution. READ MORE

  6. 5. Water emissions from fuel cell-powered construction equipment : Quantifying liquid water and water vapor emissions for sustainable construction equipment

    University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknik

    Author : Roni Bulut; Patric Söderberg; [2023]
    Keywords : PEM fuel cell; Simulink; Simscape; construction equipment; exhaust water; liquid water; vapor water; performance;

    Abstract : The construction sector is responsible for 20% of Greenhouse Gas (GHG) emissions, of whichdiesel-powered construction equipment are large contributors. Currently there are many ongoing Fuel Cell (FC) powered construction equipment projects as it is seen as an attractiveoption to power the futures zero-emission heavy-duty machines. READ MORE