Sökning: "tool wear detection"

Hittade 4 avhandlingar innehållade orden tool wear detection.

  1. 1. Condition Monitoring in Machining Using Internal Sensor Signals

    Författare :Jari Repo; Cornel Mihai Nicolescu; Terje Lien; Högskolan Väst; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Condition monitoring; machine tool; machining process; milling; position encoders; tool wear detection; signal analysis; Manufacturing and materials engineering; Produktions- och materialteknik;

    Sammanfattning : Condition monitoring of critical machine tool components and machining processes is a key factor to increase the availability of the machine tool and to achieve a more robust machining process. Any failure in the machining process and machine tool components may have negative effects on the final produced part. LÄS MER

  3. 2. New single particle methods for detection and characterization of nanoparticles in environmental samples

    Författare :Jani Tuoriniemi; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Nanoparticles; Detection; Quantification; Metrology; Trace particle;

    Sammanfattning : Nanoparticles (NP) are being used in rapidly increasing quantities which has resulted in concerns about possible harmful effects for health and environment. NP are already undergoing similar risk assessment programs as conventional chemicals, and due to their enhanced surface reactivities it has been proposed that the use of NP should be regulated by specific legislation based on particle size. LÄS MER

  4. 3. A new computed tomography method for evaluation of orthopedic implants : applied to the acetabular cup

    Författare :Lotta Olivecrona; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Background: Two major long term complications after total hip arthroplasty (THA) is aseptic loosening and wear of the implant. In the clinical situation a detection level of approximately 1 mm is desirable. However, conventional planar radiographs used in clinical routine cannot reach this level. LÄS MER

  5. 4. Design, synthesis and characterisation of multilayered PVD coatings

    Författare :Maria Nordin; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Materialvetenskap; Materials science; Teknisk materialvetenskap; materialvetenskap; Materials Science;

    Sammanfattning : Physically vapour deposited multilayered coatings were the target of this thesis.Several different wear resistant nitride coatings (TiN/CrN, TiN/MoN, TiN/NbN andTiN/TaN) have been evaluated. LÄS MER