Sökning: "measurement tools"

Visar resultat 1 - 5 av 346 avhandlingar innehållade orden measurement tools.

  1. 1. Performance Evaluation of machine tools : A methodology for loaded testing of machine tools

    Författare :Theodoros Laspas; Andreas Archenti; Amir Rashid; Atsushi Matsubara; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine tool; loaded test; quasi-static stiffness; accuracy; stiffness measurement; Production Engineering; Industriell produktion;

    Sammanfattning : Machine tools comprise the basic elements of manufacturing. Evaluationof their performance and reliability are necessary for ensuring productquality. LÄS MER

  3. 2. Physics-based modelling and measurement of advanced manufacturing machinery’s positioning accuracy : Machine tools, industrial manipulators and their positioning accuracy

    Författare :Nikolas Alexander Theissen; Andreas Archenti; Edward P. Morse; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine tools; Industrial robots; Accuracy; Measurement instruments; Production Engineering; Industriell produktion;

    Sammanfattning : Advanced manufacturing machinery is a corner stone of essential industries of technologicallydeveloped societies. Their accuracy permits the production of complexproducts according to tight geometric dimensions and tolerances for high efficiency,interchangeability and sustainability. LÄS MER

  4. 3. Precision measurement instruments for machinery's mechanical compliance: design and operation : Measurement instruments for physics-based calibration of advanced manufacturing machinery

    Författare :Nikolas Alexander Theissen; Andreas Archenti; Alexander Slocum; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Measurement instruments; Machine tools; Industrial robots; Production Engineering; Industriell produktion;

    Sammanfattning :  Precision Measurement Instruments (PMIs) for machinery’s mechanical compliance are tools to quantify mechanical load as well as length for measurement ranges of 0.1 µm to 10 m at uncertainty levels of 0.1 µm to 100 µm while exerting mechanical loads. LÄS MER

  5. 4. Exhaustion Dominated Performance : Methodology, Tools and Empirical Experiments

    Författare :Nima Namaki; Högskolan Väst; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Computer cluster; resource exhaustion; measurement methodology; verification methods; engineering simulation applications; Computer science; Datavetenskap; Datateknik; Computer engineering;

    Sammanfattning : .... LÄS MER

  7. 5. ”De va svinhögt typ 250 kilo” : Förskolebarns mätande av längd, volym och tid i legoleken

    Författare :Anders Albinsson; Maria Simonsson; Joakim Samuelsson; Eva Riesbeck; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Lego play; length height; quantity; time; measurement; reference points; physical and cultural tools; informal and formal mathematical concepts.;

    Sammanfattning : The purpose of the dissertation is to study, describe and analyses which comparative measurement activities preschool children construct and use, and how they solve problems and communicate when they use the comparative measurement activities whilst playing with Lego (“the Lego play”). The measurement activities chosen are length/height, quantity and time. LÄS MER