Performance of coated and uncoated carbide/cermet cutting tools during turning
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Hasan Basri Ulas
Abstract
Historically, cutting force and surface roughness are known to be important performance indicators in conventional machining operations and are mainly affected by material type and the choice of cutting tool. One well-known method to improve cutting tool performance is covering these tools with durable ceramic coatings to protect them from wear and thermal degradation. This work elucidates the advantage of Al2O3 and TiN coatings and presents important performance improvements in turning operation. Process parameters such as cutting speed, feed rate, cutting depth and tip radius were taken into consideration in a total of 540 experiments. The design of the experiment and a statistical analysis were performed to reveal significant process parameters. A special experimental setup was designed to measure in-situ cutting forces. The surface roughness of the machined surfaces was measured. An artificial neural network model was developed to predict optimum performance parameters.
Kurzfassung
Die Schnittkräfte und die Oberflächenrauheit stellen seit jeher wichtige Indikatoren für das werkstoffverhalten bei konventionellen maschinellen Bearbeitungsprozessen dar. Sie werden hauptsächlich durch den Materialtyp und die Auswahl des Schneidwerkzeuges beeinflusst. Ein bekanntes Verfahren zur Verbesserung des verhaltens von Schneidwerkzeugen besteht darin, sie mit haltbaren Keramikbeschichtungen zu versehen, um sie vor Verschleiß und thermischer Degradation zu schützen. Die diesem Beitrag zugrunde liegende Arbeit zeigt den Vorteil von Al2O3- und TiN-Beschichtungen und stellt eine wichtige Verbesserung des Verhaltens bei Drehprozessen dar. Es wurden die Prozessparamter, wie die Drehgeschwindigkeit, die Vorschubrate, die Schnitttiefe und der Spitzenradius in insgesamt 540 Versuchen berücksichtigt. Es wurde ein experimentelles Design und eine statistische Analyse durchgeführt, um signifikante Prozessparameter zu ermitteln. Ein besonderer Versuchsaufbau wurde gewählt, um die Schnittkräfte in-situ zu messen. Die Oberflächenrauheit der maschinell bearbeiteten Oberflächen wurde gemessen. Es wurde ein Modell auf der Basis eines neuronalen Netzes entwickelt um die optimalen Parameter vorherzusagen.
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© 2018, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Compression testing of additively manufactured continuous carbon fiber-reinforced sandwich structures
- Microstructure and mechanical properties of nano-carbon reinforced Cu-based powder metallurgy friction materials produced by hot isostatic pressing
- Thermo-mechanical testing of TiO2 functional coatings using friction stir processing
- Ternary melt blend based on poly (lactic acid)/chitosan and cloisite 30B: A study of microstructural, thermo-mechanical and barrier properties
- Untersuchungen zur verlässlichen Messung der Härte nach dem UCI – Verfahren (Ultrasonic Contact Impedance)
- Electrochemical impedance spectroscopy of sand of varied particle size and water content using the three-electrode system
- Recycling of LM25 aluminum alloy scraps
- Mechanical fracture characterization of adhesive interfaces: Introducing a new concept for evaluating adhesive quality
- Effect of welding processes on mechanical and microstructural properties of S275 structural steel joints
- Essential Work of Fracture: Bestimmung des gültigen Ligamentbereiches mittels digitaler 3D-Bildkorrelation
- Synthesis, properties and EDM behavior of 10 wt.-% ZrB2 reinforced AA7178 matrix composites
- Solid particle erosion wear behavior of severe plastically deformed AA7075 alloys
- Performance of coated and uncoated carbide/cermet cutting tools during turning
- Assessment of soft materials for anthropomorphic soft robotic fingertips
- Application of the grey based Taguchi method and Deform-3D for optimizing multiple responses in turning of Inconel 718
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Compression testing of additively manufactured continuous carbon fiber-reinforced sandwich structures
- Microstructure and mechanical properties of nano-carbon reinforced Cu-based powder metallurgy friction materials produced by hot isostatic pressing
- Thermo-mechanical testing of TiO2 functional coatings using friction stir processing
- Ternary melt blend based on poly (lactic acid)/chitosan and cloisite 30B: A study of microstructural, thermo-mechanical and barrier properties
- Untersuchungen zur verlässlichen Messung der Härte nach dem UCI – Verfahren (Ultrasonic Contact Impedance)
- Electrochemical impedance spectroscopy of sand of varied particle size and water content using the three-electrode system
- Recycling of LM25 aluminum alloy scraps
- Mechanical fracture characterization of adhesive interfaces: Introducing a new concept for evaluating adhesive quality
- Effect of welding processes on mechanical and microstructural properties of S275 structural steel joints
- Essential Work of Fracture: Bestimmung des gültigen Ligamentbereiches mittels digitaler 3D-Bildkorrelation
- Synthesis, properties and EDM behavior of 10 wt.-% ZrB2 reinforced AA7178 matrix composites
- Solid particle erosion wear behavior of severe plastically deformed AA7075 alloys
- Performance of coated and uncoated carbide/cermet cutting tools during turning
- Assessment of soft materials for anthropomorphic soft robotic fingertips
- Application of the grey based Taguchi method and Deform-3D for optimizing multiple responses in turning of Inconel 718