JPS63190280A - Roller for radio frequency induction heating - Google Patents
Roller for radio frequency induction heatingInfo
- Publication number
- JPS63190280A JPS63190280A JP1861187A JP1861187A JPS63190280A JP S63190280 A JPS63190280 A JP S63190280A JP 1861187 A JP1861187 A JP 1861187A JP 1861187 A JP1861187 A JP 1861187A JP S63190280 A JPS63190280 A JP S63190280A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- induction heating
- frequency induction
- heated
- rollers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims description 31
- 230000006698 induction Effects 0.000 title claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 description 20
- 238000009413 insulation Methods 0.000 description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical group F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は高周波誘導加熱において被加熱材を支持するロ
ーラに関する。DETAILED DESCRIPTION OF THE INVENTION [Objective of the Invention (Field of Industrial Application) The present invention relates to a roller that supports a material to be heated in high-frequency induction heating.
（従来の技術）
高周波誘導加熱炉は、炉本体の内部に設けたコイルに高
周波電流を流し、炉本体の内部を通過する被加熱材を加
熱するものである。そして、この高周波誘導加熱炉を用
いた加熱では、被加熱材を支持して加熱炉へ移送し且つ
加熱炉で加熱し走破加熱材を受けて移送するためにロー
ラが用いられている。(Prior Art) A high-frequency induction heating furnace heats a material to be heated passing through the furnace body by passing a high-frequency current through a coil provided inside the furnace body. In heating using this high-frequency induction heating furnace, rollers are used to support the material to be heated and transport it to the heating furnace, and to receive and transport the running heating material after being heated in the heating furnace.
例多げタングステンやモリブデンｈνの高融点金属から
なる線材を製造する方法において、棒状をなす焼結体を
加熱して転打加工を行なう場合に高周波誘導加熱が用い
られている。すなわち、第３図において１は高周波誘導
加熱炉で、この加熱炉１は炉本体２の内部にコイル３を
備えている。For example, in a method for manufacturing a wire made of a high melting point metal such as tungsten or molybdenum hv, high frequency induction heating is used when a rod-shaped sintered body is heated and rolled. That is, in FIG. 3, 1 is a high frequency induction heating furnace, and this heating furnace 1 is equipped with a coil 3 inside a furnace body 2.
４は対をなす送）ローラ、５は対を受はクーラで。4 is a pair of feeding rollers, 5 is a pair of receiving rollers.
これらローラ４，５は回転可能に設けられる。被加熱材
Ａすなわち高融点金属からなる棒状の焼結体を送シロー
ラ４で挾持して加熱炉１の炉本体２の内ｓＫ送ル込む。These rollers 4 and 5 are rotatably provided. A material to be heated A, that is, a rod-shaped sintered body made of a high-melting point metal is held between feed rollers 4 and fed into the furnace body 2 of the heating furnace 1.
加熱炉１ではコイル３に高周波電流を流して炉本体λＯ
内部を通過する被加熱材Ａを加熱する。加熱されて炉本
体２を通過した被加熱材Ａは受はローラ５て受けて挾持
しながら図示しない転打加工機に移送する。In the heating furnace 1, a high frequency current is passed through the coil 3 to heat the furnace body λO.
The heated material A passing inside is heated. The heated material A that has passed through the furnace body 2 is received by rollers 5 and transferred to a rolling machine (not shown) while being held therebetween.
しかして、高周波誘導加熱にお込て被加熱材を支持する
ローラ４，５は、被加熱材に電流が流れることから絶縁
性を有することが必要である。Therefore, the rollers 4 and 5 that support the material to be heated during high-frequency induction heating need to have insulation properties since current flows through the material to be heated.
そζで、従来萬周波紡導加熱用のｐ−２４，５としては
、絶縁性をもたゼることに主＋Ｍ を匣いてベークライ
トなどの結縁性樹脂で形成している。Therefore, conventionally, p-24,5 for multi-frequency spinning heating is made of bonding resin such as Bakelite, which has insulation properties and is mainly filled with +M.
（発明が解決しようとする問題点）
しかるに、高周波誘導加熱用のローラ４，５は、絶縁性
に加えて、被加熱材Ａを支持して移送するため、被加熱
材Ａとの摺接に耐える耐摩耗性を有することも必要であ
り、さらに受はロー２５は加熱された被加熱材Ａを受け
るために、この熱に耐える耐熱性を有することも必要で
ある。(Problem to be Solved by the Invention) However, in addition to being insulative, the rollers 4 and 5 for high-frequency induction heating support and transport the material to be heated, so they do not come into sliding contact with the material to be heated. It is also necessary to have wear resistance to withstand the heat, and furthermore, since the receiving row 25 receives the heated material A, it is also necessary to have heat resistance to withstand the heat.
しかしながら、従来の絶縁性樹脂で形成された高周波誘
導加熱用のロー２４，５は、たしかに良好な絶縁性を有
しているが、耐摩耗性および耐熱性は不充分である。However, although the conventional rows 24 and 5 for high-frequency induction heating made of insulating resin have good insulation properties, they are insufficient in wear resistance and heat resistance.
このため、従来のローラ４，５は被加熱材Ａとの摺接に
よる摩耗が著しく、被加熱材Ａの支持が早期に困難とな
シ、特に受はローラ５は加熱炉１で加熱された被加熱材
Ａの熱によシ損傷する。For this reason, the conventional rollers 4 and 5 suffer from significant wear due to sliding contact with the heated material A, and it becomes difficult to support the heated material A at an early stage. The material to be heated A is damaged by the heat.
本発明が前記事情に基づいてなされたもので、絶縁性に
加えて耐摩耗性２よび耐熱性に優れた高周波誘導加熱用
ローラを提供することを目的とするものである。The present invention has been made based on the above circumstances, and it is an object of the present invention to provide a high-frequency induction heating roller that has excellent wear resistance 2 and heat resistance in addition to insulation.
［発明の構成］
（問題点を解決するための手段と作用）前記目的を達成
するために本発明の高周波誘導加熱用ローラは、窒化け
い素を主成分とした焼結体で形成されていることを特徴
とするものである。[Structure of the invention] (Means and effects for solving the problems) In order to achieve the above object, the high frequency induction heating roller of the present invention is formed of a sintered body containing silicon nitride as a main component. It is characterized by this.
以下本発明について説明する。The present invention will be explained below.
本発明の高周波誘導加熱に用いるローラは、窒化けい素
（５ｔｓＮ４）を主成分にした焼結体で形成したもので
ある。この窒化けい素焼結体の好ましい組成は、重量比
でＭＯ７ＣＯ，１〜５％−ＡｔＮ １〜５％−Ａｔ２０
３１〜５％−Ｙ２Ｏ，１〜５％−８１，Ｎ４残部であシ
、更に好ましくはＭＯ２Ｃ１〜４ ％ −ＡｔＮ ２〜
４％−Ａｔ２０３２〜４％−Ｙ２０３２〜４襲−８１ｓ
Ｎ ４残部である。The roller used in the high-frequency induction heating of the present invention is formed of a sintered body containing silicon nitride (5tsN4) as a main component. The preferred composition of this silicon nitride sintered body is MO7CO, 1-5%-AtN 1-5%-At20 by weight ratio.
31-5%-Y2O, 1-5%-81, N4 balance, more preferably MO2C1-4%-AtN2-
4%-At2032~4%-Y2032~4th attack-81s
N4 remainder.
この窒化けい素の焼結体は、優れた絶縁性を■するとと
もに、耐摩耗性および耐熱性に大変優れたものである。This sintered body of silicon nitride has excellent insulation properties, as well as extremely high wear resistance and heat resistance.
本発明の高周波誘導加熱用ローラを製造する方法は次の
通シである。鷲化けい素を主成分とする粉末を加圧して
圧粉体を成形し、この成形体を焼結してローラ形をなす
焼結体を形成して、さらに焼結体に必要な加工処理を施
してローラを製造する。The method for manufacturing the high frequency induction heating roller of the present invention is as follows. Powder whose main component is silicon fluoride is pressed to form a green compact, this compact is sintered to form a roller-shaped sintered body, and further processing necessary for the sintered body is carried out. The rollers are manufactured by applying the following steps.
このように構成した高周波誘導加熱用ローラは。The high-frequency induction heating roller configured in this way.
窒化けい素を主成分とする焼結体で形成されているので
、絶縁性に加えて優れた耐摩耗性と耐熱性を有している
。Since it is made of a sintered body whose main component is silicon nitride, it has excellent wear resistance and heat resistance in addition to insulation.
しかして、本発明のローラは高周波誘導加熱において被
加熱材を支持して移送するために用いられる。すなわち
、第３図で示すように加熱炉１に被加熱付人を送込む送
りローラ４と、カロ熱炉１で加熱された被加熱材Ａを受
ける受はロー２５に適用される。これらロー２４，５の
具体的な構成は、第１図および第２図で示すように環状
をなすもので、このローラ４，５が窒化けい素を主成分
とする焼結体が形成されている。そして、ローラ４゜５
は被加熱付人に対して良好な絶縁性を発揮し。Thus, the roller of the present invention is used to support and transport a material to be heated in high frequency induction heating. That is, as shown in FIG. 3, the feed roller 4 that feeds the heated person into the heating furnace 1 and the receiver that receives the heated material A heated in the Calothermal furnace 1 are applied to the row 25. The concrete structure of these rollers 24, 5 is annular as shown in FIGS. 1 and 2, and these rollers 4, 5 are formed of a sintered body whose main component is silicon nitride. There is. And roller 4゜5
exhibits good insulation against the heated person.
また被加熱材Ａとの摺接による摩耗が少なく長期にわた
って使用することができる。さらに、加熱炉１で加熱さ
れた被加熱材Ａを受ける受はローラ５は、被加熱材Ａの
熱による損傷がない。Further, there is little wear due to sliding contact with the heated material A, and it can be used for a long period of time. Furthermore, the bearing roller 5 that receives the heated material A heated in the heating furnace 1 is not damaged by the heat of the heated material A.
なお、本発明としてはローラ４，５の両方に適用するの
みに限らず、少なくとも受はローラ４に適用する。Note that the present invention is not limited to being applied to both rollers 4 and 5, but at least the receiver is applied to roller 4.
（実施例）
本発明例として１組成が重量比で５ｉ５Ｎ４残部、ＭＯ
７０３３％、Ｙ２Ｏ，、４，３％、Ａ２２０３３％、Ａ
ｔＮ、３チ、ＭＯ２Ｃ５％である窒化けい素粉末を加圧
成形した後に焼結してローラを製造した。そして、この
ローラを第３図で示す高周波誘導加熱炉に用いて、直径
８ｍのタングステン線の加熱を行った。この結果ローラ
は５ｏｏｏ時間使用できた。(Example) As an example of the present invention, one composition has a weight ratio of 5i5N4 balance, MO
7033%, Y2O, 4.3%, A22033%, A
A roller was manufactured by press-molding silicon nitride powder having tN, 3 tN, and MO2C 5%, and then sintering it. Then, this roller was used in a high frequency induction heating furnace shown in FIG. 3 to heat a tungsten wire with a diameter of 8 m. As a result, the roller could be used for 500 hours.
これに対して従来例としてベークライトからなるローラ
を製造し、とのローラを本発明例と同様に第３図で示す
高周波誘導加熱炉に設けてタングステン線の溶接を行な
った。この結果ローラは５００時間しか使用できなかっ
た。従って、本発明のローラが従来のものに比して耐久
性に優れていることが判る。On the other hand, as a conventional example, a roller made of Bakelite was manufactured, and similarly to the example of the present invention, this roller was placed in a high-frequency induction heating furnace shown in FIG. 3, and tungsten wire was welded thereto. As a result, the roller could only be used for 500 hours. Therefore, it can be seen that the roller of the present invention has superior durability compared to the conventional roller.
［発明の効果］
以上説明したように本発明によれば、高周波誘導加熱用
ローラとして必要とされる優れた絶縁性、耐摩耗性およ
び耐熱性を有するローラを得ることができる。[Effects of the Invention] As explained above, according to the present invention, it is possible to obtain a roller having excellent insulation properties, abrasion resistance, and heat resistance required as a high-frequency induction heating roller.
第１図および第２図は本発明の高周波誘導加熱用ローラ
を示す正面図および断面図、第３図は高周波誘導加熱を
示す説明図である。
４．５・・・ローラ。
出願人代理人 弁理士 鈴 江 武 彦第１図
第２図
コ
第３図FIGS. 1 and 2 are a front view and a cross-sectional view showing a high-frequency induction heating roller of the present invention, and FIG. 3 is an explanatory view showing high-frequency induction heating. 4.5... Laura. Applicant's agent Patent attorney Takehiko Suzue Figure 1
Figure 2 Figure 3
Claims (1)
高周波誘導加熱用ローラ。A high-frequency induction heating roller characterized by being formed of a sintered body of silicon nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1861187A JPS63190280A (en) | 1987-01-30 | 1987-01-30 | Roller for radio frequency induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1861187A JPS63190280A (en) | 1987-01-30 | 1987-01-30 | Roller for radio frequency induction heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190280A true JPS63190280A (en) | 1988-08-05 |
Family
ID=11976430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1861187A Pending JPS63190280A (en) | 1987-01-30 | 1987-01-30 | Roller for radio frequency induction heating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190280A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997006652A1 (en) * | 1995-08-03 | 1997-02-20 | Kabushiki Kaisha Seta Giken | Electromagnetic induction heater and operation method therefor |
-
1987
- 1987-01-30 JP JP1861187A patent/JPS63190280A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997006652A1 (en) * | 1995-08-03 | 1997-02-20 | Kabushiki Kaisha Seta Giken | Electromagnetic induction heater and operation method therefor |
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