JP2022009993A5 - Manufacturing method of induction heating coil - Google Patents
Manufacturing method of induction heating coil Download PDFInfo
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- JP2022009993A5 JP2022009993A5 JP2021180086A JP2021180086A JP2022009993A5 JP 2022009993 A5 JP2022009993 A5 JP 2022009993A5 JP 2021180086 A JP2021180086 A JP 2021180086A JP 2021180086 A JP2021180086 A JP 2021180086A JP 2022009993 A5 JP2022009993 A5 JP 2022009993A5
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- 238000010438 heat treatment Methods 0.000 title claims description 25
- 230000006698 induction Effects 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims description 40
- 238000000465 moulding Methods 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 26
- 238000010030 laminating Methods 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 238000005219 brazing Methods 0.000 description 1
Description
本発明は、誘導加熱コイルの製造方法に関する。 The present invention relates to a method for manufacturing an induction heating coil.
上記事情に鑑みることにより、本発明の目的の一つは、誘導加熱コイルを、より長寿命となるように製造できる、誘導加熱コイルの製造方法を提供することである。 In view of the above circumstances, one of the objects of the present invention is to provide a method for manufacturing an induction heating coil, which can manufacture the induction heating coil so as to have a longer life.
（１）上記課題を解決するために、この発明のある局面に係わる誘導加熱コイルの製造方法は、被処理物を誘導加熱するためのコイル部と、前記コイル部に電力を供給するための電力供給部と、を備える誘導加熱コイルの製造方法であって、前記コイル部および前記電力供給部は、金属積層造形法を用いて形成されることで、導電性を備える金属材料によって単一の部材として一体に形成され、前記金属積層造形法での積層造形時には、所定の部分を支持するサポート部を前記積層造形法によって形成し、前記サポート部は、前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記所定の部分として少なくとも前記コイル部を支持する。 (1) In order to solve the above problems, the method for manufacturing an induction heating coil according to an aspect of the present invention includes a coil portion for inductively heating an object to be processed and an electric power for supplying electric power to the coil portion. A method for manufacturing an induction heating coil including a supply section, wherein the coil section and the power supply section are formed by using a metal laminated molding method, and are made of a single member made of a conductive metal material. In the case of laminated molding by the metal laminated molding method, a support portion that supports a predetermined portion is formed by the laminated molding method, and the support portion is the coil portion and the coil portion by the metal laminated molding method. At the time of forming the power supply portion, at least the coil portion is supported as the predetermined portion.
この構成によると、コイル部、および、電力供給部は、金属積層造形法を用いて形成される。金属積層造形法であれば、粉末金属層に選択的に熱を加えて溶融させた後にこの溶融金属が固まる作業が繰り返し行われることで、任意の立体形状を形成できる。よって、コイル部および電力供給部を単一部品として作ることができる。よって、コイル部自体と、電力供給部とコイル部との間のいずれにもろう付け部分が設けられる必要は無い。このため、熟練を要求されるろう付け作業が不要となる。その上、金属積層造形法であれば、機械的に精度良く同型状の誘導加熱コイルを量産できる。よって、誘導加熱コイルを均一の寸法で大量生産することが可能となる。 According to this configuration, the coil portion and the power supply portion are formed by using the metal laminated molding method. In the metal laminated molding method, an arbitrary three-dimensional shape can be formed by repeatedly performing the work of solidifying the molten metal after selectively applying heat to the powder metal layer to melt it. Therefore , the coil unit and the power supply unit can be made as a single component. Therefore, it is not necessary to provide a brazed portion in either the coil portion itself or between the power supply portion and the coil portion. Therefore, the brazing work that requires skill is not required. Moreover, if the metal laminated molding method is used, it is possible to mass-produce induction heating coils having the same shape with mechanical accuracy. Therefore, it is possible to mass-produce induction heating coils with uniform dimensions.
（２）好ましくは、前記コイル部は、前記コイル部の中心軸線方向に沿って見て円弧状に形成され、前記電力供給部は、前記コイル部に接続された本体を含み、前記コイル部の中心軸線方向に沿って見て、前記本体は、前記コイル部の径方向に沿う所定の長手方向に延びるとともに前記長手方向と直交する方向を短手方向として延び、前記コイル部は、前記本体から突出する形状に形成されており、前記コイル部は、前記コイル部の中心軸線方向の一端に形成された一端面および他端に形成された他端面を含み、前記金属積層造形法による前記コイル部および前記電力供給部の形成時において、前記サポート部は、前記一端面および前記他端面のうち下向きの面に連結され、前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、金属粉末層を焼結して形成される各層が、下から上に向かって順次に積層され、前記サポート部は、前記コイル部の下側に形成される。 (2) Preferably, the coil portion is formed in an arc shape when viewed along the central axis direction of the coil portion, and the power supply portion includes a main body connected to the coil portion, and the coil portion includes the main body of the coil portion. When viewed along the central axis direction, the main body extends in a predetermined longitudinal direction along the radial direction of the coil portion and extends in a direction orthogonal to the longitudinal direction as a lateral direction, and the coil portion extends from the main body. The coil portion is formed in a protruding shape, and the coil portion includes one end surface formed at one end in the central axis direction of the coil portion and the other end surface formed at the other end, and the coil portion according to the metal lamination molding method. And when the power supply unit is formed, the support unit is connected to the downward surface of the one end surface and the other end surface, and when the coil portion and the power supply unit are formed by the metal laminated molding method, the metal Each layer formed by sintering the powder layer is sequentially laminated from the bottom to the top, and the support portion is formed on the lower side of the coil portion.
（３）より好ましくは、前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、前記コイル部および前記電力供給部が上下を反転させた向きで造形され、前記サポート部は、前記コイル部の前記一端面に連結するように形成される。 (3) More preferably, when the coil portion and the power supply portion are formed by the metal lamination molding method, the coil portion and the power supply portion are molded in an upside-down direction, and the support portion is formed by the support portion. It is formed so as to be connected to the one end surface of the coil portion.
（４）好ましくは、前記電力供給部の本体は、前記コイル部に接続される部分と、前記コイル部に接続される部分から前記中心軸線方向のうち前記他端面から前記一端面に向かう方向に突出する部分と、を含み、前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記一端面および前記突出する部分は下向きとなるように形成される。 (4) Preferably, the main body of the power supply unit is in a direction from the portion connected to the coil portion and the portion connected to the coil portion toward the one end surface of the central axis direction. The one end surface and the protruding portion are formed so as to face downward when the coil portion and the power supply portion are formed by the metal laminating molding method, including a protruding portion.
（５）好ましくは、前記サポート部は、前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記コイル部を支持するとともに、前記電力供給部は支持しないように形成される。 (5) Preferably, the support portion is formed so as to support the coil portion and not support the power supply portion when the coil portion and the power supply portion are formed by the metal laminating molding method.
（６）好ましくは、前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、前記他端面が下向きの面として形成され、前記サポート部は、前記コイル部の他端面に連結される部分と、前記電力供給部を支持する部分と、を含む。 (6) Preferably, when the coil portion and the power supply portion are formed by the metal laminating molding method, the other end surface is formed as a downward surface, and the support portion is connected to the other end surface of the coil portion. A portion and a portion that supports the power supply unit are included.
（７）好ましくは、前記積層造形後に前記サポート部を切除する。 (7) Preferably, the support portion is cut off after the laminated molding.
本発明は、誘導加熱コイルの製造方法として、広く適用することができる。
The present invention can be widely applied as a method for manufacturing an induction heating coil.
Claims (7)
前記コイル部に電力を供給するための電力供給部と、
を備える誘導加熱コイルの製造方法であって、
前記コイル部および前記電力供給部は、金属積層造形法を用いて形成されることで、導電性を備える金属材料によって単一の部材として一体に形成され、
前記金属積層造形法での積層造形時には、所定の部分を支持するサポート部を前記積層造形法によって形成し、
前記サポート部は、前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記所定の部分として少なくとも前記コイル部を支持することを特徴とする、誘導加熱コイルの製造方法。 A coil for induction heating of the object to be processed,
A power supply unit for supplying electric power to the coil unit and
It is a manufacturing method of an induction heating coil provided with
The coil portion and the power supply portion are integrally formed as a single member by a metal material having conductivity by being formed by using a metal laminated molding method.
At the time of laminating molding by the metal laminating molding method, a support portion that supports a predetermined portion is formed by the laminating molding method.
A method for manufacturing an induction heating coil, wherein the support portion supports at least the coil portion as the predetermined portion when the coil portion and the power supply portion are formed by the metal laminated molding method.
前記コイル部は、前記コイル部の中心軸線方向に沿って見て円弧状に形成され、
前記電力供給部は、前記コイル部に接続された本体を含み、
前記コイル部の中心軸線方向に沿って見て、前記本体は、前記コイル部の径方向に沿う所定の長手方向に延びるとともに前記長手方向と直交する方向を短手方向として延び、前記コイル部は、前記本体から突出する形状に形成されており、
前記コイル部は、前記コイル部の中心軸線方向の一端に形成された一端面および他端に形成された他端面を含み、
前記金属積層造形法による前記コイル部および前記電力供給部の形成時において、前記サポート部は、前記一端面および前記他端面のうち下向きの面に連結され、
前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、金属粉末層を焼結して形成される各層が、下から上に向かって順次に積層され、
前記サポート部は、前記コイル部の下側に形成されることを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to claim 1.
The coil portion is formed in an arc shape when viewed along the central axis direction of the coil portion.
The power supply unit includes a main body connected to the coil unit.
When viewed along the central axis direction of the coil portion, the main body extends in a predetermined longitudinal direction along the radial direction of the coil portion and extends in a direction orthogonal to the longitudinal direction as a lateral direction, and the coil portion extends. , It is formed in a shape protruding from the main body,
The coil portion includes one end surface formed at one end in the central axis direction of the coil portion and the other end surface formed at the other end.
At the time of forming the coil portion and the power supply portion by the metal laminated molding method, the support portion is connected to the downward surface of the one end surface and the other end surface.
At the time of forming the coil portion and the power supply portion by the metal lamination molding method, each layer formed by sintering the metal powder layer is sequentially laminated from the bottom to the top.
A method for manufacturing an induction heating coil , wherein the support portion is formed on the lower side of the coil portion .
前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、前記コイル部および前記電力供給部が上下を反転させた向きで造形され、前記サポート部は、前記コイル部の前記一端面に連結するように形成されることを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to claim 2.
When the coil portion and the power supply portion are formed by the metal laminated molding method, the coil portion and the power supply portion are molded in an upside-down direction, and the support portion is formed on one end surface of the coil portion. A method for manufacturing an induction heating coil, characterized in that it is formed so as to be connected .
前記電力供給部の本体は、前記コイル部に接続される部分と、前記コイル部に接続される部分から前記中心軸線方向のうち前記他端面から前記一端面に向かう方向に突出する部分と、を含み、
前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記一端面および前記突出する部分は下向きとなるように形成されることを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to claim 2 or 3 .
The main body of the power supply unit includes a portion connected to the coil portion and a portion protruding from the portion connected to the coil portion in the direction of the other end surface toward the one end surface in the central axis direction. Including,
A method for manufacturing an induction heating coil, characterized in that, when the coil portion and the power supply portion are formed by the metal laminated molding method, the one end surface and the protruding portion are formed so as to face downward .
前記サポート部は、前記金属積層造形法による前記コイル部および前記電力供給部の形成時に、前記コイル部を支持するとともに、前記電力供給部は支持しないように形成されることを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to any one of claims 2 to 4.
The guide is characterized in that the support portion is formed so as to support the coil portion and not to support the power supply portion when the coil portion and the power supply portion are formed by the metal lamination molding method. How to manufacture a heating coil.
前記金属積層造形法による前記コイル部および前記電力供給部の形成時には、前記他端面が下向きの面として形成され、
前記サポート部は、前記コイル部の他端面に連結される部分と、前記電力供給部を支持する部分と、を含むことを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to claim 2 .
When the coil portion and the power supply portion are formed by the metal laminated molding method, the other end surface is formed as a downward surface.
A method for manufacturing an induction heating coil , wherein the support portion includes a portion connected to the other end surface of the coil portion and a portion that supports the power supply portion .
前記金属積層造形後に前記サポート部を切除することを特徴とする、誘導加熱コイルの製造方法。 The method for manufacturing an induction heating coil according to any one of claims 1 to 6.
A method for manufacturing an induction heating coil, which comprises cutting off the support portion after the metal laminated molding .
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| JP7333097B2 (en) * | 2021-10-28 | 2023-08-24 | ティーケーエンジニアリング株式会社 | Heating coil for high frequency heating equipment |
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