Invention Grant
- Patent Title: Contraction device having heating control
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Application No.: US17513768Application Date: 2021-10-28
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Publication No.: US12156317B2Publication Date: 2024-11-26
- Inventor: Antonín Podhrázký
- Applicant: Haimer GmbH
- Applicant Address: DE Hollenbach-Igenhausen
- Assignee: Haimer GmbH
- Current Assignee: Haimer GmbH
- Current Assignee Address: DE Hollenbach-Igenhausen
- Agency: Polson Intellectual Property Law P.C.
- Agent Margaret Polson; Christopher Sylvain
- Priority: DE102015016831.2 20151228
- Main IPC: H05B6/06
- IPC: H05B6/06 ; B23P11/02 ; H05B6/10 ; H05B6/14 ; H05B6/38 ; H05B6/40

Abstract:
The invention relates to a method for monitoring the temperature of the sleeve part of a tool holder, which sleeve part is inserted into the induction coil of a contraction device, wherein the instantaneous inductance of the induction coil is measured during the inductive heating and the current supply to the induction coil is influenced if the instantaneous inductance approaches, reaches, or exceeds a specified value.
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