JPS6385629U - - Google Patents

Info

Publication number
JPS6385629U
JPS6385629U JP17778586U JP17778586U JPS6385629U JP S6385629 U JPS6385629 U JP S6385629U JP 17778586 U JP17778586 U JP 17778586U JP 17778586 U JP17778586 U JP 17778586U JP S6385629 U JPS6385629 U JP S6385629U
Authority
JP
Japan
Prior art keywords
heating
temperature
phase
heating element
electrodes
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.)
Granted
Application number
JP17778586U
Other languages
Japanese (ja)
Other versions
JPH052580Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986177785U priority Critical patent/JPH052580Y2/ja
Publication of JPS6385629U publication Critical patent/JPS6385629U/ja
Application granted granted Critical
Publication of JPH052580Y2 publication Critical patent/JPH052580Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Powder Metallurgy (AREA)
  • Control Of Resistance Heating (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、従来の抵抗加熱機の一例を示す全体
斜視図。第２図は、従来装置の要部を示す説明図
。第３図は、従来装置の電気回路図。第４図は、
本考案装置の要部を示す説明図。第５図は、本考
案装置の電気回路図。第６図は、硬質セグメント
全体を示す斜視図。第７図は、プレス成形用発熱
体の断面図。 〔符号の説明〕、２…上部電極、３…下部電極
、４…プレス成形用発熱体、６…加熱用トランス
、７…制御装置、８…加熱温度検出器。 FIG. 1 is an overall perspective view showing an example of a conventional resistance heating machine. FIG. 2 is an explanatory diagram showing the main parts of a conventional device. FIG. 3 is an electrical circuit diagram of a conventional device. Figure 4 shows
FIG. 2 is an explanatory diagram showing the main parts of the device of the present invention. FIG. 5 is an electrical circuit diagram of the device of the present invention. FIG. 6 is a perspective view showing the entire hard segment. FIG. 7 is a sectional view of a heat generating element for press molding. [Explanation of symbols], 2... Upper electrode, 3... Lower electrode, 4... Heat generating element for press molding, 6... Heating transformer, 7... Control device, 8... Heating temperature detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属粉末材を封入したプレス成形用発熱体を、
一対の電極相互間で加圧・通電して焼結体を形成
する装置において、上記一対の電極と三相電源と
の各相間に、整流式加熱用トランスを接続し、各
加熱用トランスには加熱通電の制御を行うサイリ
スタ・コンタクタ等の電子スイツチを作動する制
御装置をそれぞれ接続し、上記発熱体の温度を、
上記発熱体近傍に設けた複数の加熱温度検出器に
よつて検出し、その検出した温度が予め制御装置
に内設された値に一致するように、上記検出器か
らの検出信号が受けて加熱電流を制御する三相整
流式抵抗加熱装置。 A heating element for press molding filled with metal powder,
In a device that forms a sintered body by pressurizing and energizing between a pair of electrodes, a rectifier heating transformer is connected between the pair of electrodes and each phase of a three-phase power supply, and each heating transformer is Control devices that operate electronic switches such as thyristors and contactors that control heating energization are connected to each, and the temperature of the heating element is controlled by
The heating temperature is detected by a plurality of heating temperature detectors installed near the heating element, and the heating is performed in response to the detection signal from the detector so that the detected temperature matches a value preset in the control device. A three-phase rectifier type resistance heating device that controls the current.
JP1986177785U 1986-11-19 1986-11-19 Expired - Lifetime JPH052580Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986177785U JPH052580Y2 (en) 1986-11-19 1986-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986177785U JPH052580Y2 (en) 1986-11-19 1986-11-19

Publications (2)

Publication Number Publication Date
JPS6385629U true JPS6385629U (en) 1988-06-04
JPH052580Y2 JPH052580Y2 (en) 1993-01-22

Family

ID=31119311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986177785U Expired - Lifetime JPH052580Y2 (en) 1986-11-19 1986-11-19

Country Status (1)

Country Link
JP (1) JPH052580Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010277963A (en) * 2009-06-01 2010-12-09 Tokuden Co Ltd Heating device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146085A (en) * 1977-05-24 1978-12-19 Kubota Ltd Automatic heater

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146085A (en) * 1977-05-24 1978-12-19 Kubota Ltd Automatic heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010277963A (en) * 2009-06-01 2010-12-09 Tokuden Co Ltd Heating device

Also Published As

Publication number Publication date
JPH052580Y2 (en) 1993-01-22

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