JPS54159314A - Automatic control unit for heat treating furnace - Google Patents

Automatic control unit for heat treating furnace

Info

Publication number
JPS54159314A
JPS54159314A JP6766378A JP6766378A JPS54159314A JP S54159314 A JPS54159314 A JP S54159314A JP 6766378 A JP6766378 A JP 6766378A JP 6766378 A JP6766378 A JP 6766378A JP S54159314 A JPS54159314 A JP S54159314A
Authority
JP
Japan
Prior art keywords
control unit
vacuum
press
furnace
temp
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
Application number
JP6766378A
Other languages
Japanese (ja)
Inventor
Tadahiko Komatsu
Saburo Hiyama
Masao Tsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6766378A priority Critical patent/JPS54159314A/en
Publication of JPS54159314A publication Critical patent/JPS54159314A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Control Of Heat Treatment Processes (AREA)

Abstract

PURPOSE:To effect degassing and cleaning of material to be treated, by operating a vacuum heating furnace equipped with an exhausting unit, a heater, a thermometer, a vacuum gauge, a vacuum control unit, a press. and temp. control unit, and power control unit. CONSTITUTION:The material 1 to be treated is degassed and cleaned in a vacuum heating furnace 2, which is equipped with a thermometer 8, a press. and temp. control units connected to a power control unit 16 and to a vacuum control unit 6. The vacuum control unit 6 is equipped with a press. contact which produces signals at prescribed upper and lower limits of vacuum range. The furnace 2 is heated by a heater 3 and evacuated in order to remove the gas or org. substances having been adsorbed by the material 1. When signals from the press. contact indicating the upper limit are received, the furnace temp. is kept as it is. When signals indicating the lower limit are received, the furnace temp. is raised, and the power for the heater is turned off after a prescribed time.
JP6766378A 1978-06-07 1978-06-07 Automatic control unit for heat treating furnace Pending JPS54159314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6766378A JPS54159314A (en) 1978-06-07 1978-06-07 Automatic control unit for heat treating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6766378A JPS54159314A (en) 1978-06-07 1978-06-07 Automatic control unit for heat treating furnace

Publications (1)

Publication Number Publication Date
JPS54159314A true JPS54159314A (en) 1979-12-17

Family

ID=13351461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6766378A Pending JPS54159314A (en) 1978-06-07 1978-06-07 Automatic control unit for heat treating furnace

Country Status (1)

Country Link
JP (1) JPS54159314A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372820A (en) * 1986-09-14 1988-04-02 Shimadzu Corp Heating method in vacuum heat treating furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372820A (en) * 1986-09-14 1988-04-02 Shimadzu Corp Heating method in vacuum heat treating furnace

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