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Authors: Ramme, Johannes
Wegert, Robert
Guski, Vinzenz
Schmauder, Siegfried
Möhring, Hans-Christian
Title: Development of a multi-sensor concept for real-time temperature measurement at the cutting insert of a single-lip deep hole drilling tool
Issue Date: 2022 Zeitschriftenartikel 20 Applied Sciences 12 (2022), No. 7095
ISSN: 2076-3417
Abstract: The mechanical energy resulting from cutting processes is turned almost completely in thermal energy, which encourages thermal procedures, such as diffusion, leading to higher wear in the cutting tool and thus to higher temperatures. Furthermore, high temperatures influence the properties of the marginal zones in the workpiece. In this presented work, the in-process temperature of a cutting insert during single-lip deep hole drilling (SLD) is investigated. Therefore, a sensor-integrated tool with resistance temperature detectors (RTD) placed beneath the cutting insert is developed. First, the thermal properties of the cutting insert are adjusted to fit the assembled tool. Afterwards, a CEL-Simulation is obtained to examine the temperature distribution at the cutting edge of the SLD-tool. The temperatures calculated by simulation can be compared to the in-process temperatures of the sensor integrated tool. Because of the usage of a cooling lubricant, simulated temperatures can be varied with a factor to fit the experimentally measured temperature curves. The highest temperature during the process appears at the outer edge of the cutting insert. By knowing the thermal properties, the maximum process temperatures for the deep hole drilling operation are to be calculated. The results represent a contribution to an interdisciplinary research project “Surface Conditioning in Machining Processes” (SPP 2086) of the German Research Foundation (DFG).
Appears in Collections:07 Fakultät Konstruktions-, Produktions- und Fahrzeugtechnik

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