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公开(公告)号：US10167527B2
公开(公告)日：2019-01-01
申请号：US14379022
申请日：2013-02-06
摘要： The invention relates to a method for the progressive induction surface hardening of a closed curve trace of a workpiece, the closed curve trace and a hardening device being moved relative to one another in a feed mode to harden the closed curve trace starting from an initial zone to an end zone, an unhardened soft zone being provided. According to the invention, the workpiece is provided with a marking, the hardening device having a sensor for detecting said marking. The curve trace and the hardening device are moved relative to one another along the treatment direction until the senor detects the marking. Once the marking is detected, another movement takes place in the treatment direction before the hardening device is activated, the curve trace being hardened by the relative movement. The marking is again detected by means of the sensor and the hardening device is then deactivated. The invention also relates to an arrangement which is suitable for carrying out the method described.
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公开(公告)号：US20140367376A1
公开(公告)日：2014-12-18
申请号：US14379022
申请日：2013-02-06
CPC分类号： C21D1/10 , C21D9/0062 , C21D9/40 , C21D11/00 , C21D2221/00 , H05B6/06 , H05B6/101 , Y02P10/253
摘要： The invention relates to a method for the progressive induction surface hardening of a closed curve trace of a workpiece, the closed curve trace and a hardening device being moved relative to one another in a feed mode to harden the closed curve trace starting from an initial zone to an end zone, an unhardened soft zone being provided. According to the invention, the workpiece is provided with a marking, the hardening device having a sensor for detecting said marking. The curve trace and the hardening device are moved relative to one another along the treatment direction until the senor detects the marking. Once the marking is detected, another movement takes place in the treatment direction before the hardening device is activated, the curve trace being hardened by the relative movement. The marking is again detected by means of the sensor and the hardening device is then deactivated. The invention also relates to an arrangement which is suitable for carrying out the method described.
摘要翻译： 本发明涉及一种用于逐渐感应表面硬化工件的闭合曲线迹线的方法，闭合曲线迹线和硬化装置在进给模式下相对于彼此移动，以从初始区域开始硬化闭合曲线迹线 到端部区域，提供未硬化的软区域。 根据本发明，工件设有标记，硬化装置具有用于检测所述标记的传感器。 曲线迹线和硬化装置沿着处理方向相对于彼此移动，直到传感器检测到标记。 一旦检测到标记，在硬化装置被激活之前，在处理方向上发生另一个运动，曲线由相对运动硬化。 然后通过传感器再次检测标记，然后停用硬化装置。 本发明还涉及一种适用于执行所述方法的装置。
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公开(公告)号：US10590502B2
公开(公告)日：2020-03-17
申请号：US16038501
申请日：2018-07-18
摘要： A method for induction surface hardening includes, when in a feed mode, moving an induction coil of a hardening device over a ring surface of a work piece in a treatment direction, to heat the ring surface from an initial zone to a final zone. A sprayer, located downstream of the induction coil in the direction of treatment, is activated to apply quenching liquid to the heated ring surface to both cool and harden the ring surface. An unhardened soft zone is provided between the initial zone and the final zone. A supplementary induction coil, the induction coil and the sprinkler are respectively activated and deactivated separately at the start and end of the hardening, while the relative feed speed between the hardening device and the work piece, and/or the power supplied to each of the supplementary induction coil and the induction coil, are varied at the same time.
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公开(公告)号：US20180363086A1
公开(公告)日：2018-12-20
申请号：US16038501
申请日：2018-07-18
CPC分类号： C21D9/40 , C21D1/10 , C21D1/42 , C21D1/667 , Y02P10/253
摘要： Methods for induction surface hardening of a ring surface of a work piece. The ring surface and a hardening device have an induction coil moved relative to one another in a treatment direction in a feed mode. A sprinkler located downstream of the induction coil in the direction of treatment serves to heat the ring surface, starting from an initial zone to a final zone, with the induction coil and then hardens it by cooling the ring surface with the sprinkler. An unhardened soft zone is provided between the initial zone and the end zone. The supplementary induction coil, the induction coil and the sprinkler are activated and deactivated separately at the start of hardening and at the end of hardening, respectively, the speed between the hardening device and the work piece and/or the power supplied to the supplementary induction coil and the induction coil varied at the same time.
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公开(公告)号：US10053748B2
公开(公告)日：2018-08-21
申请号：US14379263
申请日：2013-02-06
CPC分类号： C21D9/40 , C21D1/10 , C21D1/42 , C21D1/667 , Y02P10/253
摘要： The invention relates to a method for the induction surface hardening of a ring surface of a workpiece, the ring surface and a hardening device having an induction coil being moved relative to one another in a treatment direction in a feed mode. A sprinkler is located downstream of the induction coil when seen in the direction of treatment and serves to heat the ring surface, starting from an initial zone to a final zone, by means of the induction coil and then to harden it by cooling the ring surface by means of the sprinkler, an unhardened soft zone being provided between the initial zone and the end zone. According to the invention, the supplementary induction coil, the induction coil and the sprinkler are activated and deactivated separately from one another at the start of the hardening process and at the end of the hardening process, respectively, the speed between the hardening device and the workpiece and/or the power supplied to the supplementary induction coil and the induction coil being varied at the same time.
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