Telwin TECNICA144-164 Скачать руководство пользователя страница 16 | Manualshive

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FIG. 2B

FIG. 2A

- 16 -

TECNICA 144 - 164

RHEOFORES

D34,D32,D33

POWER

TRANSFORMER

SECONDARY

DISSIPATORS

POWER SUPPLY

INTERRUPTOR

FAN WIRE

BOTTOM

INDUCTANCE

FAN

FILTER

CAPACITORS

PRIMARY

DISSIPATORS

DIODES BRIDGE

DISSIPATOR

RHEOFORES

Q8

BUMP

CONTACTS

THERMOSTAT

(J8, J9)

RHEOFORES

Q5

RHEOFORES

D14

Q5

DISSIPATOR

SCREWS

FASTENING

SCREWS

FASTENING

DINSE

SOCKETS

Q8

DISSIPATOR

SCREWS

FASTENING

SECONDARY

DISSIPATOR

SCREWS FASTENING

BUMP

CONTACTS FAN
(NEGJ4, POSJ4)

RHEOFORES

D20

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Содержание TECNICA144-164

Страница 1: ...2 Analysis of the block diagram 3 Illustrations 5 Wiring diagrams 6 Equipment required 9 General repair instructions 10 Troubleshooting and remedies 10 Testing the machine 13 Illustrations 15 TROUBLESHOOTING AND REPAIR MANUAL TROUBLESHOOTING AND REPAIR MANUAL TROUBLESHOOTING AND REPAIR MANUAL TROUBLESHOOTING AND REPAIR MANUAL r e p a r a t i o n n o p r o b l e m ...

Страница 2: ...ILOT 18 19 ADDER 20 ALARM CLOCK 2 3 4 5 8 8 9 17 14 10 12 AUXILIARY POWER SUPPLY TRIGGER 11 VOLTAGE RECTIFIER 21 27 t 23 OUTPUT CURRENT TRANSFORMER INDUCTANCE EMC FILTER I I PRIMARY EMC FILTER POWER TRANSFORMER SECONDARY DIODES FILTER CHOPPER RECTIFIER BRIDGE PRE CHARGE INPUT FAN POWER SUPPLY LED AUXILIARY POWER SUPPLY DRIVER ALARM LED PRIMARY CURRENT READER AND LIMITER MAXIMUM CURRENT ADJUST DUTY...

Страница 3: ...ock 7 Block 8 EMC Filter Pre charge Rectifier bridge Filter Chopper Current transformer Power transformer Secondary diodes Block 9 Block 10 Block 17 Block 18 Inductance Secondary EMC Filter Primary current reader and limiter Duty cycle maker Consisting of L1 Levels the secondary board diodes output current making it practically continuous Consisting of C28 C33 Prevents noise from the power source ...

Страница 4: ...btained from block 22 current potentiometer Consisting of D12 It is switched on by block 20 alarms in the event of 1 Triggering of thermostatic capsule thermostat on power transformer Triggering due to undervoltage 3 Triggering due to overvoltage 4 Short circuit at output electrode holder clamp and earth cable connected to one another or electrode stuck to piece being welded Consisting of R23 This...

Страница 5: ...CTIFIER BRIDGE 2 PRE CHARGE 6 POWER TRANSFORMER 14 DRIVER 5 CHOPPER 4 FILTER 22 CURRENT POTENTIOM 15 TRANSFORMER SEPARATOR 18 DUTY CYCLE MAKER 10 SECONDARY FILTER EMC 8 SECONDARY DIODES 21 ALARM LED 9 INDUCTANCE 12 AUXILIARY POWER SUPPLY TRIGGER 28 POWER SUPPLY LED 19 ADDER 13 AUXILIARY POWER SUPPLY ...

Страница 6: ... 6 TECNICA 144 164 POWER PCB J3 J3 J4 J4 J2 J2 PE N L2 L1 PE N L2 L1 OUT OUT V1 Fan OUT OUT J1 J1 J7 J7 5 4 1 2 S1 ON OFF 5 4 1 2 S1 ON OFF J4 J4 WIRING DIAGRAMS General wiring diagram ...

Страница 7: ... 7 TECNICA 144 164 Wiring diagram power board power supply ...

Страница 8: ... 8 TECNICA 144 164 Wiring diagram power board driver control ...

Страница 9: ...The instruments with codes can be supplied by Telwin The sale price is available on request ESSENTIAL INSTRUMENTS USEFUL INSTRUMENTS 1 Dual trace oscilloscope cod 802401 2 Static load generator cod 802110 3 Variac 0 300v 1500 VA cod 802402 4 Digital multimeter 5 Unsoldering station 6 Miscellaneous tools ...

Страница 10: ...s outlet and should only by done by expert or skilled electrical mechanical personnel undo the 4 screws attaching the handle to the top cover undo the 2 screws fastening the two plastic shells to the base 1 screw on each side undo the 2 screws attaching the handle to the base 1 screw on each side on the top cover undo the nut for the earth connection J7 slide out the top cover upwards After comple...

Страница 11: ... working hours excessive overheating related to faulty operation It is important to make sure that all the connections are in good condition and that the connectors are inserted and or attached correctly To do this take the cables between finger and thumb as close as possible to the fastons or connectors and pull outwards gently the cables should not come away from the fastons or connectors If the...

Страница 12: ...nt alternatively resistors R54 and R61 could have burst and or diodes D16 D17 D29 and D30 may be unable to function at the correct Zener voltage this should have shown up in the preliminary tests clean any irregularity or dirt from the dissipators If the IGBT s have burst the dissipators may have been irreversibly damaged in this case they should be replaced apply thermo conductive grease followin...

Страница 13: ...er source to the static load generator using cables fitted with the appropriate dinse connectors code 802110 C Set up the multimeter in DC mode and connect the prods to the OUT and OUT bump contacts D Connect the power supply cable to the 230Vac power supply During tests the operator must avoid contact with the metal parts of the torch because of the presence of dangerous high voltage set up the o...

Страница 14: ... and leave it in operation until the thermostatic capsules trigger machine in alarm After making sure the internal wiring is positioned correctly assemble the machine once and for all With the power source set up according to the instructions in the handbook make a test weld at 80A electrode diameter 2 5 mm Check the dynamic behaviour of the power source In this case the tests are the exactly the ...

Страница 15: ...IONS FIG 1 15 TECNICA 144 164 SCREWS FASTENING TOP COVER POWER SUPPLY LED CURRENT REGULATION POTENTIOMETER SCREWS FASTENING FRONT PANEL SCREWS FASTENING BACK PANEL SCREWS FASTENING HANDLE ALARM LED DINSE SOCKET ...

Страница 16: ...BOTTOM INDUCTANCE FAN FILTER CAPACITORS PRIMARY DISSIPATORS DIODES BRIDGE DISSIPATOR RHEOFORES Q8 BUMP CONTACTS THERMOSTAT J8 J9 RHEOFORES Q5 RHEOFORES D14 Q5 DISSIPATOR SCREWS FASTENING SCREWS FASTENING DINSE SOCKETS Q8 DISSIPATOR SCREWS FASTENING SECONDARY DISSIPATOR SCREWS FASTENING BUMP CONTACTS FAN NEGJ4 POSJ4 RHEOFORES D20 ...

Страница 17: ...ARY DIODE D14 PRIMARY DIODE D31 IGBT Q8 D32 SECONDARY DIODES IGBT Q5 DRIVER IGBT FIG 3 C21 C22 R1 U1 PD1 RL1 U3 U2 D10 ISO1 DISSIPATORS FOR IGBT DISSIPATORS FOR IGBT R63 R46 R18 R35 D12 Q4 D34 D33 TECNICA 144 164 R23 ...

Страница 18: ...g spare parts without any reference pls specify model brand and voltage of machine list reference number of the item registration number Wenn Sie einen Ersatzteil der ohne Artikel Nummer ist benoetigen bestimmen Sie bitte Folgendes Modell zeichen und Spannung des Geraetes Teilliste Nuemmer Registriernummer Por pedir una pieza de repuesto sin referencia precisar modelo marca e tension de la maquina...

Страница 19: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Cavo Alim Cable Alim Mains Cable Netzkabel Cable Alim Ventilatore Ventilateur Fan Ventilator Ventilador Induttanza Filtro Inductance Filter Filter Inductance Filter Drossel Induccion Filtro Induttanza Inductance Inductance Drossel Induccion Fondo Chassis Bottom Bodenteil Fondo Presa Dinse Prise Dix Dinse Socket Dinse Steckdose Enchufe Dinse Ki...

Страница 20: ...upply From mains without extension From mains with extension m Mechanichal stresses the machine has undergone to cription Des Dirty grade Dirty inside the machine Description Rectifier bridge Electrolytic capacitors Relais In rush limiter resistance IGBT Snubber Secondary diodes Potentiometer Others Kind of failure Component ref Substitution of primary power board yes no Troubles evinced during re...

Страница 21: ...WIN S p A Via della Tecnica 3 36030 VILLAVERLA Vicenza Italy Tel 39 0445 858811 Fax 39 0445 858800 858801 E mail telwin telwin com http www telwin com CERTIFIED QUALITY SYSTEM ISO 9001 UNI EN ISO 9001 2000 ...

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