RO132942A0 - Installation for testing materials to water quenching rapid thermal shock - Google Patents
Installation for testing materials to water quenching rapid thermal shock Download PDFInfo
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- RO132942A0 RO132942A0 ROA201800383A RO201800383A RO132942A0 RO 132942 A0 RO132942 A0 RO 132942A0 RO A201800383 A ROA201800383 A RO A201800383A RO 201800383 A RO201800383 A RO 201800383A RO 132942 A0 RO132942 A0 RO 132942A0
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Abstract
Description
Invenția se refera la o instalație de testare la soc termic rapid a materialelor,cu încălzire in aer si răcire rapida in apa.The invention relates to an installation for rapid thermal shock testing of materials, with heating in air and rapid cooling in water.
Problema tehnica pe care o rezolva invenția de fata este aceea ca da posibilitatea efectuării unui nou test de caracterizare al materialelor,printr-o răcire mai rapida decit racirea cu aer comprimat.The technical problem solved by the present invention is that it gives the possibility to perform a new material characterization test, by a faster cooling than the compressed air cooling.
Se cunosc instalații de testare la soc termic cu viteze de incalzire/racire reduse, cu transferul piesei de testat dintro camera in alta,sau dintr-o zona in alta prin intermediul unor coșuri.Testarea se face in aer,in atmosfera controlata si in lichide.Pentru testare in aer temperaturile de testare sunt cuprinse intre - 100°C , + 250°C,iar pentru testarea in lichide temperaturile de testare sunt funcție de caracteristicile acestora. Aceste instalații se folosesc in general pentru testarea componentelor electronice,avind un domeniu de temperaturi redus.Thermal shock test installations with low heating / cooling speeds are known, with the transfer of the test piece from one room to another, or from one area to another by means of chimneys. The testing is done in air, in controlled atmosphere and in liquids. .For air testing the test temperatures are between - 100 ° C, + 250 ° C, and for liquid testing the test temperatures depend on their characteristics. These installations are generally used for testing electronic components, having a low temperature range.
Se cunoaște standardul ISO14188 -Metallic and other inorganic coatings-Test method for measuring thermal cycle resistance and resistance to thermal shock for thermal barrier coatingsunde sunt date doua scheme de testare.Prima schema se refera la rezistenta la ciclări termice, prin utilizarea a doua bai de temperatura,una la temperaturi joase si una la temperaturi ridicate, băile fiind amplasate pe orizontala sau pe verticala. A doua schema se refera la testarea la rezistenta la soc termic,prin utilizarea unui cuptor pentru încălzirea in aer a epruvetei si a unei bai de răcire cu apa,baie prevăzută cu un agitator,un traductor de tremperatura.Piesele de testat se aseaza pe un suport ,se introduc in cuptor la temperatura de testare si apoi se imerseaza intr-o baie de răcire cu apa.The ISO14188 standard is known -Metallic and other inorganic coatings-Test method for measuring thermal cycle resistance and resistance to thermal shock for thermal barrier coatingswhere two test schemes are given.The first scheme refers to the resistance to thermal cycling, by using two baths of temperature, one at low temperatures and one at high temperatures, the bathrooms being placed horizontally or vertically. The second scheme refers to the test for resistance to thermal shock, by using an oven for air heating of the test tube and a water cooling bath, bath provided with a stirrer, a temperature transducer. The test pieces are placed on a support, place in the oven at the test temperature and then immerse in a water cooling bath.
Invenția de fata permite testarea materialelor metalice,ceramice,nemetalice, la soc termic rapid, încălzire in aer si răcire rapida in apa, in următoarele condiții:The present invention allows the testing of metallic, ceramic, non-metallic materials, for rapid thermal shock, air heating and rapid water cooling, under the following conditions:
încălzire rapida a suprafeței epruvetei - circa 700-900°C/s - in primele secunderapid heating of the test tube surface - about 700-900 ° C / s - in the first seconds
- Răcire rapida a epruvetei de la temperatura de testare 1000-1400°C la temperatura mediului ambiant in citeva secunde- Rapid cooling of the test piece from the test temperature of 1000-1400 ° C to the ambient temperature in a few seconds
Masurarea continua a temperaturii pe suprafața epruvetei de la temperatura mediului ambiant, la temperatura din cuptor pina in momentul ieșirii din cuptor cu pirometru cu răspuns rapidContinuous measurement of the temperature on the surface of the specimen from the ambient temperature to the temperature in the oven until the moment of exit from the oven with pyrometer with rapid response
Masurarea variației temperaturii lichidului din vasul de răcire ca urmare a imersarii a 2018 00383Measurement of the temperature variation of the liquid in the cooling vessel as a result of the immersion of 2018 00383
30/05/2018 epruvetei calde cu traductor de temperatura30/05/2018 hot specimen with temperature transducer
- Obținerea unui gradient de răcire ridicat fata de racirea cu aer comprimat- Achieving a high cooling gradient compared to compressed air cooling
Se da in continuare, un exemplu de realizare a invenției in legătură cu fig. 1,2,3,4,5,6,7 si 8 care reprezintă:An embodiment of the invention in connection with FIG. 1,2,3,4,5,6,7 and 8 which represent:
Fig. 1 - Instalația de testare in poziție începere testareFig. 1 - Test installation in test start position
- Fig.2 - Instalație de testare cu epruveta introdusa in cuptor- Fig.2 - Test installation with the test tube inserted in the oven
Fig.3 - Instalație de testare cu epruveta prinsa in pensetaFig.3 - Test installation with the test tube caught in the tweezers
Fig.4 - Instalație de testare cu epruveta in zona unde este lasata sa cada liber in vasul de răcireFig.4 - Test installation with test tube in the area where it is allowed to fall freely in the cooling vessel
Fig.5 - Instalație de testare - cădere libera epruveta in vasul de răcireFig.5 - Test installation - free fall of the test tube into the cooling vessel
Fig.6 - Instalație de testare cu epruveta in vasul de răcireFig.6 - Test installation with test tube in the cooling vessel
Fig.7 -Instalație de testare - recuperare epruveta din baia de răcireFig.7 -Test installation - recovery of the test tube from the cooling bath
Fig.8 - Instalație de testare - penseta pentru prindere epruvetaFig.8 - Test installation - tweezers for holding the test tube
Instalația de testare la soc termic rapid cu răcire in apa,conform invenției, prezentata in fig. 1,2,3,4,5,6,7 si 8,este compusa din următoarele sisteme:The rapid thermal shock test installation with water cooling, according to the invention, shown in fig. 1,2,3,4,5,6,7 and 8, is composed of the following systems:
l-sistemul de încălzire (I) este format dintr-un cuptor vertical (1),montat pe un batiu nereprezentat pe desen asigura încălzirea epruvetei (3) de testat pina la temperatura maxima de 1700°C. Cuptorul electric (1) vertical este prevăzut la partea inferioara cu doua orificii, (C) pentru introducerea epruvetei in cuptor si (D) pentru caderea epruvetei (3) din cuptorul electric (1) vertical in baia de răcire (8),pe lateral spate cu un orificu (A) pentru termocuplu de control si măsurare temperatura cuptor, un orificiu (B) lateral dreapta pentru vizualizare si măsurare variație temperatura pe suprafața epruvetei in cuptorul vertical (1) cu un pirometru (2) si un orificiu (E) pentru acces penseta (21) in cuptorul vertical (1) pentru preluare epruveta (3) din suportul (4) si deplasarea acesteia in zona de cădere libera a epruvetei (fig.5).The heating system (I) consists of a vertical oven (1), mounted on a frame not shown in the drawing to ensure the heating of the test piece (3) to be tested up to a maximum temperature of 1700 ° C. The vertical electric oven (1) is provided at the bottom with two holes, (C) for inserting the specimen into the oven and (D) for dropping the specimen (3) from the electric oven (1) vertically into the cooling bath (8), on the side rear with a hole (A) for thermocouple control and measurement of oven temperature, a hole (B) on the right side for viewing and measuring temperature variation on the surface of the specimen in the vertical oven (1) with a pyrometer (2) and a hole (E) for accessing the tweezers (21) in the vertical oven (1) for taking the test tube (3) from the support (4) and moving it in the free fall zone of the test piece (fig.5).
II - sistem de deplasare pe verticala a epruvetei in interiorul cuptoruluiII - system of vertical movement of the test piece inside the oven
Sistemul de deplasare epruveta (II) este format dintr-un ax robot vertical (5) ,care la partea superioara are montat un suport (4) din material refractar ,suport prevăzut cu o decupare (a) (fig.4) pentru poziționarea epruvetei (3) de testat.The displacement system (II) consists of a vertical robotic shaft (5), which at the top is mounted a support (4) of refractory material, support provided with a cut (a) (fig.4) for positioning the specimen (3) to be tested.
III - sistem de prindere epruvetaIII - test tube clamping system
Sistemul de prindere (III) al epruvetei (3) este format dintr-un ax robot orizontal (20) a 2018 00383The clamping system (III) of the test piece (3) consists of a horizontal robotic shaft (20) of 2018 00383
30/05/2018 montat pe batiul instalației si o penseta (21).Brațul robot orizontal (20) actioneaza înainte si înapoi cama dubla (22) care prin deplasare spre dreapta asigura stringerea epruvetei (3) din lateral ,prin intermediul tijelor (23) si a pieselor de prindere (24) ,dintre care una este prevăzută cu o crestătură (b). Sunt doua seturi de piese de prindere care permit atit prinderea epruvetelor de forma paralelipipedica cit si cilindrica. Contactul permanent intre cama dubla (22) si tijele (23) este asigurat de doua arcuri de întindere (28), un cap al arcurilor fiind fixat pe tijele (23) si celalalt pe o prelungire (c) a suportului (25) in care sunt montate doua axe (26) care permit rotirea acestora cind sunt acționate de cama dubla(22) .Doua surubui de fixare (27),strinse pe tijele (23) asigura pastrarea reglajului lungimii tijelor (23)(Fig. 8)30/05/2018 mounted on the frame of the installation and a tweezers (21). The horizontal robot arm (20) operates back and forth the double cam (22) which by moving to the right ensures the tightening of the test tube (3) from the side, by means of rods (23 ) and fasteners (24), one of which is provided with a notch (b). There are two sets of clamping parts that allow both clamping of the parallelepiped and cylindrical specimens. The permanent contact between the double cam (22) and the rods (23) is ensured by two tension springs (28), one end of the springs being fixed on the rods (23) and the other on an extension (c) of the support (25) in which two shafts (26) are mounted which allow them to be rotated when actuated by the double cam (22). Two fixing screws (27), tightened on the rods (23) ensure the adjustment of the length of the rods (23) (Fig. 8)
- IV - sistem de deplasare epruveta in zona de cădere libera a epruvetei- IV - test tube displacement system in the free fall zone of the test tube
Sistemul de deplasare (IV) a epruvetei in zona de cădere libera este format dintr-un ax robot orizontal (18) o sanie (19) pe care este montat sistemul de prindere (III) al epruvetei (3)The movement system (IV) of the test piece in the free fall zone consists of a horizontal robotic shaft (18) a sleigh (19) on which is mounted the clamping system (III) of the test piece (3)
V - Sistem de răcire cu apa (V) este format dintr-un vas de răcire (8) ,un cos (9) din inox un ax robot vertical (13), o sanie (12), un agitator (10) si un traductor de temperatura (11 ),toate fiind montate pe batiul (14).(Fig.8)V - Water cooling system (V) consists of a cooling vessel (8), a stainless steel basket (9), a vertical robotic shaft (13), a sleigh (12), a stirrer (10) and a temperature transducer (11), all being mounted on the frame (14) (Fig.8)
VI - Sistem de comanda,control si achiziție dateVI - Data command, control and acquisition system
Sistemul de comanda, control si achiziție date este format din panou de comanda controlere acționare axe robot,termocuplu masurat temperatura cuptor, pirometru cu radiații (2), traductor temperatura (11), componente hard si soft LabView.The command, control and data acquisition system consists of control panel controllers operating robot axes, thermocouple measured oven temperature, radiation pyrometer (2), temperature transducer (11), LabView hardware and software components.
Instalația conform inventiiei funcționează după cum urmeaza :The installation according to the invention operates as follows:
Epruveta (3) se poziționează pe suportul (4) si se seteaza sistemul pe mod de răcire cu apa.(fig.l).The test piece (3) is positioned on the support (4) and the system is set to water cooling mode (fig.l).
Se seteaza parametrii de testare : temperatura de testare a cuptorului, timpul de menținere in cuptor a epruvetei,tipul pieselor de prindere (24) pentru epruveta paralelipipedica sau cilindrica,cantitatea de apa din vasul de răcire (8).Test parameters are set: oven test temperature, oven holding time of the specimen, type of fasteners (24) for the parallelepiped or cylindrical specimen, amount of water in the cooling vessel (8).
Se verifica funcționarea separata a sistemelor instalației.Check the separate operation of the installation systems.
In poziția de începere testare sunt îndeplinite următoarele condiții (fig.l):In the test start position the following conditions are met (fig.l):
- Epruveta ( 3) este așezata in suportul ( 4)- The test tube (3) is placed in the holder (4)
Ax robot vertical (5) -in poziție inferioaraVertical robot shaft (5) -in the lower position
Ax robot orizontal (6)-in poziția cu capacul (7) închis -închide orificiul CHorizontal robot shaft (6) -in position with lid (7) closed -close hole C
- Ax robot vertical (13) in poziția inferioara- Vertical robot shaft (13) in the lower position
- Cos (9),recuperare epruveta in poziția inferioara,imersat in baia de răcire (8) a 2018 00383- Basket (9), recovery test tube in the lower position, immersed in the cooling bath (8) of 2018 00383
30/05/201805/30/2018
- Ax robot orizontal (15) in poziția in care acopera cu capacele (16) si (17) cele doua orificii (D)- orificiu cădere libera epruveta (3) in baia de răcire (8) si (E)-orificiu acces penseta (21) in cuptorul (1)- Horizontal robot shaft (15) in the position where it covers with the caps (16) and (17) the two holes (D) - free fall test tube (3) in the cooling bath (8) and (E) - tweezers access hole (21) in the oven (1)
Ax robot orizontal (20) in poziția retras in afara cuptoruluiHorizontal robot shaft (20) in the retracted position outside the oven
Penseta (21) este deschisaThe tweezers (21) are open
- Ax robot orizontal (18) cu sania (19) retrasa in poziție de așteptare- Horizontal robot shaft (18) with the sleigh (19) retracted in the waiting position
Se pornește sistemul de comanda,control si achiziție date.The command, control and data acquisition system starts.
Este acționat butonul de pornire general al instalației.The general start button of the installation is activated.
Cuptorul (1) începe sa se incalzeasca si cind se atinge temperatura reglata sistemul de deplasare pe verticala a epruvetei in interiorul cuptorului este acționat, axul robot orizontal (6) deschide capacul (7),axul robot vertical (5) deplasează epruveta (3) montata pe suportul (4) in interiorul cuptorului (1) pina in poziția maxima verticala.(Fig.2).Pirometru (2) citește temperatura pe suprafața epruvetei (3) in cuptorul (1) prin orificiul (B).Dupa menținerea epruvetei (3) in cuptorul vertical (1) intervalul de timp reglat,sistemul de comanda actioneaza axul robot orizontal (15) care deschide capacele (16) si (17), urmat de acționarea axului robot (18),care cu sania (19) deplasează in interiorul cuptorului penseta (21) cu tijele (23) deschise (Fig.8). Ajuns la capat de cursa,axul robot orizontal (18),comanda axul robot orizontal (20),acesta actioneaza cama dubla (22) care stringe cu piesele de prindere (24) epruveta (3) din lateral.Imediat după prinderea epruvetei (3) ,axul robot vertical (5) coboara in poziția maxima inferioara verticala si axul robot orizontal (6) închide orificiul (C) cu capacul (7).(fig.4). Axul robot orizontal (18) deplasează epruveta (3) împreuna cu penseta (21) si axul robot orizontal (20) in poziția de cădere libera a epruvetei (3) in bazinul de răcire (8).(fig.4). Ajunsa in poziția de cădere libera, epruveta (3),urmare acționarii pensetei (21) de către cama dubla (22) in sensul deschiderii, cade liber prin orificiul (d) in baia de răcire (8). (fig.5).Imediat după eliberarea epruvetei (3) , axul robot orizontal (18) deplasează cu sania (19) ansamblul ax robot orizontal (20) si penseta (21) in afara cuptorului,iar axul robot orizontal (15) închide cu capacele (16) si (17) orificiile (D) si (E).(fig.6).The oven (1) starts to heat up and when the set temperature is reached the vertical displacement system of the test tube inside the oven is actuated, the horizontal robot shaft (6) opens the lid (7), the vertical robot shaft (5) moves the test tube (3) mounted on the support (4) inside the oven (1) up to the maximum vertical position. (Fig.2) .Pyrometer (2) reads the temperature on the surface of the test tube (3) in the oven (1) through the hole (B) .After maintaining the test tube (3) in the vertical oven (1) the set time interval, the control system operates the horizontal robot shaft (15) which opens the covers (16) and (17), followed by the operation of the robot shaft (18), which with the sleigh (19) move the tweezers (21) inside the oven with the rods (23) open (Fig.8). At the end of the stroke, the horizontal robot shaft (18), controls the horizontal robot shaft (20), it operates the double cam (22) which tightens with the clamping parts (24) the specimen (3) from the side. Immediately after clamping the specimen (3) ), the vertical robot shaft (5) descends to the lower vertical maximum position and the horizontal robot shaft (6) closes the hole (C) with the cover (7). (fig.4). The horizontal robot shaft (18) moves the test tube (3) together with the tweezers (21) and the horizontal robot shaft (20) in the free fall position of the test piece (3) in the cooling tank (8). (Fig.4). Arrived in the free fall position, the test tube (3), following the actuation of the tweezers (21) by the double cam (22) in the direction of the opening, falls freely through the hole (d) in the cooling bath (8). (fig.5). Immediately after releasing the test piece (3), the horizontal robot shaft (18) moves with the sleigh (19) the horizontal robot shaft assembly (20) and the tweezers (21) out of the oven, and the horizontal robot shaft (15) closes with the caps (16) and (17) the holes (D) and (E). (fig.6).
Sistemul de testare la soc termic rapid cu răcire in apa se oprește si este pregătit pentru o noua testare.The fast thermal cooling test system with water cooling stops and is ready for a new test.
Axul robot vertical (13) montat pe batiu (14) este acționat si prin intermediul săniei (12) deplasează pe verticala in sus coșul (9) in care se gaseste epruveta (3) răcită in apa la temperatura mediului ambiant.Epruveta (3) se scoate din cosul(9) si se usucă intr-o etuva la 120°C timp de 15 minute,apoi se vizualizează pentru detectarea eventalelor fisuri,exfolieri,degradări.In caz ca se constata asa ceva ,se oprește experimentul ,se fac investigații de microscopie optica,electronoica,difracție etc.Daca nu se constata nici o degradare a suprafeței epruvetei (3),ciclul de testare se reia pina ce se constata a 2018 00383The vertical robot shaft (13) mounted on the frame (14) is actuated and by means of the sledge (12) moves vertically upwards the basket (9) in which the test tube (3) is cooled in water at ambient temperature. The test tube (3) remove from the basket (9) and dry in an oven at 120 ° C for 15 minutes, then visualize to detect any cracks, exfoliations, degradations. In case of such a thing, stop the experiment, make investigations optical, electron microscopy, diffraction, etc. If no degradation of the specimen surface is detected (3), the test cycle shall be resumed until 2018 00383
30/05/2018 deteriorări ale depunerii de circa 25% din suprafața depusa.30/05/2018 damage to the deposit of about 25% of the deposited area.
Instalația conform invenției prezintă următoarele avantaje:The installation according to the invention has the following advantages:
- Permite încercarea la soc termic rapid cu încălzire in aer si răcire in lichid a epruvetelor experimentale de forma paralelipipedica sau cilindrica- Allows the test to rapid thermal shock with air heating and liquid cooling of experimental specimens of parallelepiped or cylindrical shape
- Permite încălzirea rapida in aer intr-un cuptor vertical cu rezistente- Allows rapid heating in the air in a vertical oven with heaters
- Permie racirea rapida a epruvetei prin cădere libera intr-un vas de răcire cu apa- Allows rapid cooling of the test tube by free fall into a water cooling vessel
- Permite folosirea epruvetelor experimentale de forme paralelipipedica si cilindrica de diverse dimensiuni- Allows the use of experimental specimens of parallelepiped and cylindrical shapes of various sizes
- Permite masurarea temperaturii pe suprafața epruvetei in interiorul cuptorului inaite de caderea libera pentru racirea cu apa intr-un vas de răcire aflat in exteriorul cuptorului la temperatura mediului ambiant- Allows the measurement of the temperature on the surface of the test piece inside the oven before the free fall for cooling with water in a cooling vessel located outside the oven at ambient temperature
- Permite folosirea unei game largi de tipuri de materiale pentru epruvetele experimentale Se obțin informații suplimentare referitor la comportarea materialelor la racirea in apa fata de racirea in aer conform invenției Ro 127339 Bl- Allows the use of a wide range of types of materials for experimental specimens. Additional information is obtained regarding the behavior of materials in water cooling compared to air cooling according to the invention Ro 127339 Bl
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110674564A (en) * | 2019-04-09 | 2020-01-10 | 哈尔滨理工大学 | Main shaft attitude calculation method based on Labview |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110674564A (en) * | 2019-04-09 | 2020-01-10 | 哈尔滨理工大学 | Main shaft attitude calculation method based on Labview |
| CN110674564B (en) * | 2019-04-09 | 2024-02-02 | 哈尔滨理工大学 | Main shaft attitude calculation method based on Labview |
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