SE450389B - METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME - Google Patents

METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME

Info

Publication number
SE450389B
SE450389B SE8404926A SE8404926A SE450389B SE 450389 B SE450389 B SE 450389B SE 8404926 A SE8404926 A SE 8404926A SE 8404926 A SE8404926 A SE 8404926A SE 450389 B SE450389 B SE 450389B
Authority
SE
Sweden
Prior art keywords
heat treatment
furnace
details
plant
ring
Prior art date
Application number
SE8404926A
Other languages
Swedish (sv)
Other versions
SE8404926L (en
SE8404926D0 (en
Inventor
T Barkman
Original Assignee
Volvo Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20357207&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE450389(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Volvo Ab filed Critical Volvo Ab
Priority to SE8404926A priority Critical patent/SE450389B/en
Publication of SE8404926D0 publication Critical patent/SE8404926D0/en
Priority to EP19850905124 priority patent/EP0198871B1/en
Priority to DE1985905124 priority patent/DE198871T1/en
Priority to JP60504523A priority patent/JPS62500529A/en
Priority to PCT/SE1985/000377 priority patent/WO1986002104A1/en
Priority to DE8585905124T priority patent/DE3567479D1/en
Priority to AT85905124T priority patent/ATE39949T1/en
Publication of SE8404926L publication Critical patent/SE8404926L/en
Publication of SE450389B publication Critical patent/SE450389B/en

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0037—Rotary furnaces with vertical axis; Furnaces with rotating floor

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)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Description

450 389 till en utmatningsöppning i ugnen genom vridning av bäraren. 450 389 to a discharge opening in the furnace by turning the carrier.

En för genomförande av metoden enligt uppfinningen särskilt läm- pad anläggning, som innefattar en uppvärmningsugn och en till denna ansluten värmebehandlingsugn, utmärkes av att värmebehand- lingsugnen är en ringugn med en vridbar bärare för detaljerna, vilken är anordnad att genom vridning föra fram resp. detalj till en utmatningsöppning i ugnen, när den förutbestämda uppehållsti- den förflutit.A plant particularly suitable for carrying out the method according to the invention, which comprises a heating furnace and a heat treatment furnace connected thereto, is characterized in that the heat treatment furnace is a ring furnace with a rotatable support for the parts, which is arranged to advance by rotation resp. detail to a discharge opening in the oven, when the predetermined residence time has elapsed.

Vid metoden enligt uppfinningen uppvärmes alla detaljer i upp- värmningsugnen till värmebehandlingsugnens värmebehandlingstempe- ratur. Detaljer som skall värmebehandlas t.ex. 1,5 tim. kan in- föras i värmebehandlingsugnen efter detaljer som skall behandlas 3,5 tim. och tas ut före dessa utan att temperatur eller atmosfär behöver ändras i värmebehandlingsugnen. Genom att använda en ring- ugn sker detta på enkelt sätt. Varje detalj tidsövervakas, före- trädesvis via ett datorsystem, och stegas fram till ringugnens utlopp efter fullbordad värmebehandling.In the method according to the invention, all details in the heating furnace are heated to the heat treatment temperature of the heat treatment furnace. Details to be heat treated e.g. 1.5 hours can be introduced into the heat treatment oven according to details to be treated 3.5 hours. and taken out before these without the need to change the temperature or atmosphere in the heat treatment furnace. By using a ring oven, this is done in a simple way. Every detail is time-monitored, preferably via a computer system, and stepped up to the ring furnace outlet after complete heat treatment.

Uppfinningen beskrives närmare under hänvisning till på bifogade ritning visade utföringsexempel, där figuren visar en schematiskt illustrerad värmebehandlingsanläggning särskilt avsedd för genom- förande av metoden enligt uppfinningen.The invention is described in more detail with reference to exemplary embodiments shown in the accompanying drawing, in which the figure shows a schematically illustrated heat treatment plant specially intended for carrying out the method according to the invention.

I figuren betecknar 1 en inmatningsstation för detaljer, som skall sätthärdas. Detaljerna placeras på metallpaletter eller glidskor 2, på vilka detaljerna fortsättningsvis transporteras genom an- läggningen. Från en transportör 3 överföres glidskorna till en transportör 4 och transporteras på denna genom en tvättstation 5 för att via en transportör 6 återföras till transportören 3 och därifrån till en transportör 7, via vilken glidskon 2 införes i en förvärmningsugn 8. Efter förvärmningen överföres glidskorna till en uppvärmningsugn 9, i vilken detaljerna uppvärmes till sin värmebehandlingstemperatur, t.ex. ca 900°C.In the figure, 1 denotes an input station for details to be set hardened. The details are placed on metal pallets or sliding shoes 2, on which the details are further transported through the plant. From a conveyor 3 the sliding shoes are transferred to a conveyor 4 and transported on it through a washing station 5 to be returned via a conveyor 6 to the conveyor 3 and from there to a conveyor 7, via which the sliding shoe 2 is introduced into a preheating oven 8. After preheating the sliding shoes are transferred to a heating furnace 9, in which the parts are heated to their heat treatment temperature, e.g. about 900 ° C.

Uppvärmningsugnen 9 är direkt ansluten till en ringugn 10, i vilken glidskorna efter uppvärmning av detaljerna placeras på ett vridbord (såsom antydes med pilarna i figuren). Oberoende av ¿,| 450 389 i vilken ordning glidskorna har införts i ugnen 10 kan nu vil- ken som helst av dem tas ut genom att vridbordet kan stega hur många steg som helst åt vilket håll som helst för att föra fram den valda glidskon till ugnens 10 utlopp 11.The heating furnace 9 is directly connected to a ring furnace 10, in which the sliding shoes, after heating the details, are placed on a turntable (as indicated by the arrows in the figure). Independent of ¿, | 450 389 in which order the sliding shoes have been inserted into the oven 10, any of them can now be removed by allowing the turntable to step any number of steps in any direction to advance the selected sliding shoe to the outlet 11 of the oven 10.

Efter färdigbehandling i ringugnen 10 flyttas detaljerna till en diffusionsugn 12 och därifrån antingen direkt ut till en packro- bot 13 eller till ett oljebad 14. Från oljebadet 14 transporteras detaljerna via transportörerna 3 och 4 på nytt genom tvättstatio- nen 5 och slutligen till en anlöpningsugn 15, från vilken detal- jerna transporteras ut på transportören 3.After finishing in the ring furnace 10, the parts are moved to a diffusion furnace 12 and from there either directly to a packing robot 13 or to an oil bath 14. From the oil bath 14 the parts are transported again via the conveyors 3 and 4 through the washing station 5 and finally to a tempering furnace 15, from which the details are transported out on the conveyor 3.

Den visade och beskrivna värmebehandlingsanläggningen styrs lämp- ligen av ett datoriserat styrsystem, som håller reda på var resp. enskild glidsko befinner sig i varje ögonblick och tidstyr de oli- ka operationerna, så att alla detaljer får rätt värmebehandlings- tid oberoende av i vilken ordning de matas in i anläggningen.The heat treatment plant shown and described is suitably controlled by a computerized control system, which keeps track of where resp. individual sliding shoe is located at every moment and controls the various operations, so that all details get the right heat treatment time, regardless of the order in which they are fed into the system.

Claims (4)

10 15 20 25 30 450 389 Patentkrav d;10 15 20 25 30 450 389 Claim d; 1. l. Hetod vid värmebebandling, företrädesvis sätthärdning. av detaljer med varierande krav på värmebehandlingstid. n e t e c k n a d k ä n - av att ett flertal detaljer samtidigt upp- värmes 1 en separat uppvärmningsugn (9) till en förutbestämd temperatur. att detaljerna därefter placeras på en vridbar bärare i en ringugn (10) för värmebenandling, att varje detaljs uppehållstid i ringugnen övervakas individuellt och att resp. detalj, när den förutbstämda uppehâllstiden för- flutit, föres fram till en utmatningsöppning i ugnen genom vridning av bäraren.1. l. Heat method in heat treatment, preferably set curing. of details with varying requirements for heat treatment time. n e t e c k n a d k ä n - by a plurality of parts being heated simultaneously in a separate heating oven (9) to a predetermined temperature. that the details are then placed on a rotatable carrier in a ring furnace (10) for heat treatment, that the residence time of each detail in the ring furnace is monitored individually and that resp. detail, when the predetermined residence time has elapsed, is brought to a discharge opening in the oven by turning the carrier. 2. Metod enligt krav l, k ä n n e t e c k n a d av att detaljerna efter värmebehandling i ringugnen (10) införes i en direkt i anslutning till ringugnen placerad diffusionsugn.Method according to Claim 1, characterized in that the details are introduced into the ring furnace (10) after heat treatment in a diffusion furnace placed directly adjacent to the ring furnace. 3. Anläggning för värmebehandling, företrädesvis sätthärd- ning, av detaljer med varierande krav på värnebehandlingstid för genomförande av metoden enligt kraven l eller 2, vilken anläggning innefattar en uppvärmningsugn och en till denna ansluten värmebehandlingsugn. k ä n n e t e c k n a d av att Värmebehandlingsugnen är en ringugn (10) med en vridbar bärare för detaljerna, vilken är anordnad att genom vridning föra fram resp. detalj till en utmatningsöppning (ll) i ugnen, när den förutbestämda uppehållstiden förflutit.Plant for heat treatment, preferably set-curing, of details with varying requirements for heat treatment time for carrying out the method according to claims 1 or 2, which plant comprises a heating furnace and a heat treatment furnace connected thereto. characterized in that the heat treatment furnace is a ring furnace (10) with a rotatable carrier for the parts, which is arranged to advance resp. detail to a discharge opening (ll) in the oven, when the predetermined residence time has elapsed. 4. Anläggning enligt krav 3, k ä n n e t e c k n a d av att ringugnens (10) utmatningsöppning (ll) är direkt ansluten till inmatningsöppningen på en diffusionsugn (12).Plant according to Claim 3, characterized in that the discharge opening (11) of the ring furnace (10) is directly connected to the feed opening of a diffusion furnace (12).
SE8404926A 1984-10-02 1984-10-02 METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME SE450389B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8404926A SE450389B (en) 1984-10-02 1984-10-02 METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME
EP19850905124 EP0198871B1 (en) 1984-10-02 1985-09-30 Method and installation for heat treatment, especially case-hardening
DE1985905124 DE198871T1 (en) 1984-10-02 1985-09-30 METHOD AND DEVICE FOR HEAT TREATMENT, ESPECIALLY FOR USE HARDENING.
JP60504523A JPS62500529A (en) 1984-10-02 1985-09-30 Methods and equipment for heat treatment, especially surface hardening
PCT/SE1985/000377 WO1986002104A1 (en) 1984-10-02 1985-09-30 Method and installation for heat treatment, especially case-hardening
DE8585905124T DE3567479D1 (en) 1984-10-02 1985-09-30 Method and installation for heat treatment, especially case-hardening
AT85905124T ATE39949T1 (en) 1984-10-02 1985-09-30 METHOD AND DEVICE FOR HEAT TREATMENT, ESPECIALLY FOR CASE HARDENING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8404926A SE450389B (en) 1984-10-02 1984-10-02 METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME

Publications (3)

Publication Number Publication Date
SE8404926D0 SE8404926D0 (en) 1984-10-02
SE8404926L SE8404926L (en) 1986-04-03
SE450389B true SE450389B (en) 1987-06-22

Family

ID=20357207

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8404926A SE450389B (en) 1984-10-02 1984-10-02 METHOD AND PLANT FOR HEAT TREATMENT OF DETAILS WITH VARIOUS REQUIREMENTS FOR HEAT TREATMENT TIME

Country Status (5)

Country Link
EP (1) EP0198871B1 (en)
JP (1) JPS62500529A (en)
DE (1) DE3567479D1 (en)
SE (1) SE450389B (en)
WO (1) WO1986002104A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3441338A1 (en) * 1984-11-13 1986-05-15 Ipsen Industries International Gmbh, 4190 Kleve Process for heat-treating metallic workpieces, using a straight-flow or continuous pusher-type furnace, and equipment for carrying out this process
DE3640325C1 (en) * 1986-11-26 1988-02-04 Ipsen Ind Internat Gmbh Device for the heat treatment of metallic workpieces in a carbonizing atmosphere
US5187670A (en) * 1990-11-05 1993-02-16 Caterpillar Inc. Control system for scheduling parts in a heat-treating process
DE29505496U1 (en) * 1995-03-31 1995-06-01 Ipsen Industries International GmbH, 47533 Kleve Device for the heat treatment of metallic workpieces under vacuum
DE19635257C1 (en) * 1996-08-30 1998-03-12 Franz Hillingrathner Compact orbital heat treatment furnace
ATE207546T1 (en) * 1996-08-30 2001-11-15 Franz Hillingrathner ROUND CYCLE FURNACE FOR TREATING WORKPIECES
ES2434954T3 (en) 2008-11-17 2013-12-18 Loi Thermprocess Gmbh Procedure and installation for continuous cementation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2013905A (en) * 1933-02-04 1935-09-10 Jr James L Adams Circular ingot heating furnace
DE971225C (en) * 1943-10-13 1958-12-31 Aeg Rotary hearth furnace with attached cooling chamber
DE1201380B (en) * 1958-05-07 1965-09-23 Lee Wilson Method and device for the heat treatment of loosened metal tape reels
US3112918A (en) * 1961-03-28 1963-12-03 Salem Brosius Inc Rotary hearth furnace control
CA980040A (en) * 1971-09-07 1975-12-16 John P. Stallings Homogeneously colored low profile unsaturated polyester moldings and preparations thereof
US3779697A (en) * 1972-02-28 1973-12-18 Morgan Construction Co Means and method of heating and handling large coiled billet rod for metal rolling
JPS58217625A (en) * 1982-06-09 1983-12-17 Daido Steel Co Ltd Heat treating apparatus

Also Published As

Publication number Publication date
EP0198871A1 (en) 1986-10-29
SE8404926L (en) 1986-04-03
JPS62500529A (en) 1987-03-05
DE3567479D1 (en) 1989-02-16
EP0198871B1 (en) 1989-01-11
WO1986002104A1 (en) 1986-04-10
SE8404926D0 (en) 1984-10-02

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