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1 C2 - Hunedoara Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work- Based Learning in Romania and Macedonia” DISPOZITIV PENTRU SELECTAREA BAGAJELOR DIN AEROPORT
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Work-Based Learning in the Field of Mechatronics ... · 1 C2 - Hunedoara “Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work-Based Learning

Jan 23, 2020

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Page 1: Work-Based Learning in the Field of Mechatronics ... · 1 C2 - Hunedoara “Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work-Based Learning

1

C2 - Hunedoara

“Work-Based Learning in the Field of Mechatronics:

Introducing VET Multipliers to Alternate Work-

Based Learning in Romania and Macedonia”

DISPOZITIV PENTRU

SELECTAREA

BAGAJELOR DIN

AEROPORT

Page 2: Work-Based Learning in the Field of Mechatronics ... · 1 C2 - Hunedoara “Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work-Based Learning
Page 3: Work-Based Learning in the Field of Mechatronics ... · 1 C2 - Hunedoara “Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work-Based Learning

Nr. Crt. Denumire Cantitate (Bucati)

1. Electrovalve 2

2. Piston pneumatic 3

3. Senzori de greutate 1

4. Supape 3

5. Distribuitoare 3

6. Contactori 2

7. Conductori 12

8. Relee termice 2

9. Ansamblu motor + reductor 1

10. Butoane 3

11. Limitator de cursa 1

12. Siguranţe automate 2

Materiale

Page 4: Work-Based Learning in the Field of Mechatronics ... · 1 C2 - Hunedoara “Work-Based Learning in the Field of Mechatronics: Introducing VET Multipliers to Alternate Work-Based Learning

Nr. Crt. Denumire (scule)

1. Maşină de găurit

2. Trusa surubelniţe

3. Trusă patente

4. Chei fixe

5. Tubulare

6. Insertizor

7. Aparat de masură

8. Riglă

9. Şubler

10. Micrometru

11.

12.

Scule

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Condiţii impuse la realizarea schemei:

- greutate maximă admisă 2 kg;

- oprire banda numărul 1;

- coborâre uşă prin pistonul 1 şi pistonul 2 (P1 si P2);

- acţionare pistonul P3;

- pornire banda numărul 2;

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Schema electropneumatică

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Butoanele de comanda

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IS

[A]

0,1

9 0,29 0,4 0,55 0,75 1 1,3 1,8 2,4 3,3 4,5 6

IF

[A] 0,5 0,8 2 2 4 4 6 6 10 15 20 20

IS

[A] 8 11 15 20 25 32 40 63 100 150 250 400

IF

[A] 25 35 50 63 80 100 125 200 315 400 630 800

Protejarea circuitelor de alimentare a motoarelor la curenţi de suprasarcină de valori

mici se realizează prin relee termice care, la depăşirea curentului de reglaj, acţionează

asupra circuitului de comandă a contactorului.

Releele termice se caracterizează prin curentul nominal INRT

10 A, 32 A, 63 A, 400 A

şi prin curentul de serviciu Is al elementelor termice, care variază într-o gamă foarte

largă

0,19; 0,29; 0,40…400 A.

Releele termice

Valorile maxime ale curenţilor siguranţelor fuzibile pentru diverşi curenţi de serviciu ai releelor termice

legate în serie.

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De asemenea, ele se pot regla între (0,6 …1)Is. În funcţie de valoarea curentului de calcul, se alege releul termic corespunzător astfel: INRT >IC IS ≥ IC IRT ≅ IC în care s-a notat cu IRT curentul de reglaj, a cărui valoare se indică prin proiect dar se verifică la funcţionarea normală a motorului în sarcină. De asemenea, între curentul de serviciu Is şi curentul nominal al siguranţei fuzibile trebuie să existe o relaţie determinată din analiza timpilor de lucru ai releelor şi de topire a siguranţelor fuzibile, în sensul următor: la supracurenţi mari trebuie să se topească siguranţele fuzibile şi să nu se declanşeze releul termic. Tabelul de mai jos indică această legătură.

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Contactoare

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Releu cu temporizare

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Sigurante automate

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Pistoane pneumatice

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Electrovalve pneumatice

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Motor trifazat