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Helvi Compact 300 [31/96] Completing the tig system with an air cooled torch
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to be welded. The length of the tapering will
depend on the diameter of the electrode: with
low current, tapered tip with tapering length
l = 3 x d; with high current, rounded tip with
tapering length l = 1 x d.
The triggering of the arc in TIG may be per-
formed with peaks of high voltage at high fre-
quency; this solution (HF system) does not
require contact between the electrode and
the piece in order to trigger the welding arc.
To trigger the arc without HF the electrode
must come into contact with the piece (Lift
Arc system). The arc trigger mode in TIG is
subject to the type of generator (read the IM-
PORTANT notes below).
The operational phases of the Lift Arc system
are:
• Lightly press the electrode on to the piece
which is to be welded (1).
• Press the torch button. The gas will ow and
the current will pass through the electrode.
• Move the electrode away from the piece,
rotating it so that the nozzle of the torch re-
mains in contact with the piece (2-3).
• The arc has now been established and the
current will reach the level of welding set be-
fore (4).
IMPORTANT
• 305HF generators come with HF; triggering
the electric arc therefore requires no contact
between the electrode and the piece.
• 300 - 300C generators come with the Lift
Arc system; triggering the electric arc there-
fore requires contact between electrode and
the piece.
WARNING: To trigger the electric arc
with the Lift TIG system also with 305HF
generators, follow the instructions be-
low prior to supplying power to the cur-
rent generator:
• Press the torch button. While keeping it
pressed, switch on the inverter.
• Release the torch button only after the in-
verter has performed the preliminary checks.
COMPLETING THE TIG SYSTEM
WITH AN AIR COOLED TORCH
• Connect the earth lead to the positive (+)
Dinse socket of the generator (pos. 5) and
the earth clamp to the piece which is to be
welded.
• Connect the power cable of the torch to
the negative (-) Dinse socket of the generator
(pos. 4) and connect the torch button cable to
the three-pole socket on the generator (pos.
7) (pin 1 & 2).
• Connect the gas tube to the “gas connec-
tion” located on the rear panel of the genera-
tor (pos. E) and to the pressure reducer as-
sembled on the suitably xed cylinder.
(Note: The gas which must be used is pure
argon; for further information on “PROTEC-
TION GAS CONNECTION”, please read the
relative paragraph).
• Hold the torch without pushing the trigger;
supply voltage to the generator using the
start/stop (ON/OFF) switch assembled on the
rear panel (pos. A) of the generator (Warning:
The welder will suggest the settings used in
the previous welding).
• Use the button (pos. 14) to select the wel-
ding procedure with the infusible electrode
(TIG).
• Use the button (pos. 15) to select the diffe-
rent welding modes:
(Note: Functions 2T/4T pulsed current and
the up-slope are available only on 305HF ge-
nerators; on 300 - 300C generators it is only
possible to weld in direct current in 2T mode)
• 2 stroke – 2T LED on with xed light,
• 2 stroke pulsed – 2T LED ashing,
• 4 stroke – 4T LED on with xed light,
• 4 stroke – 4t LED ashing.
• Press button pos. 16 or 16A (depending on
the generator) to activate the “menu” or “set”
function (depending on the generator) to se-
lect and adjust the values (using knob pos. 2)
of the relative TIG cycle functions.
IMPORTANT: For further information on
parameter functions and regulations du-
ring TIG welding, please read the para-
graph on WELDING PARAMETER CON-
TROL PANEL.
Fig. 16
Fig. 15
Содержание
- Compact 300 compact 300c compact 305hf 1
- Ru es gb 1
- Premessa 4
- Sicurezza 5
- Protezione personale 6
- Dati tecnici i dati quì riportati tab potrebbero dif ferire dai valori riportati sulle targhe dati montate sul pannello posteriore dei rela tivi generatori n b per una migliore conoscenza delle prestazione del prodotto acquistato fate ri ferimento ai valori riportati sulla targa dati 10
- Funzioni disponibili in saldatura 10
- In tab sono elencate le principali caratteri stiche disponibili in saldatura mma e tig dei generatori alcune funzioni sono specifiche del singolo prodotto altre sono legate al pro cedimento di saldatura selezionato 10
- Presentazione 10
- Tecnologia inverter questi generatori di corrente ad inverter sono stati progettati per lavorare con tensioni di ali mentazione instabili l utilizzo di componenti di potenza e di condensatori elettrolitici con tensione maggiore e un particolare circuito di controllo garantiscono un elevata stabilità della corrente di saldatura anche in caso di variazioni della tensione di rete questi inver ter permettono la saldatura con elettrodi rive stiti mma e tramite partenza a striscio con elettrodi infusibili tig alcuni sono dotati di hf grazie alle tecnologie con cui sono costi tuiti i generatori rendono l utilizzo delle due funzioni mma tig particolarmente semplice sin dall inizio questi generatori ad inverter sono composti da una scheda di controllo di potenza da un trasformatore switching e da una impedenza nella scheda ci sono diverse funzioni elettroniche che migliorano l innesco dell arco e l azione dinamica della saldatura in modo da ottenere una saldatura perfetta con ogni tipo di elett 10
- Tutte sono selezionabili e regolabili dal pan nello di controllo montato sul frontale dei ge neratori per migliorare le prestazioni operati ve in saldatura fanno eccezione la funzione fan on demand che autoregola in auto matico la ventilazione in funzione del valore della temperatura interna del generatore 10
- Tà di reazione e la massima precisione assie me ad una notevole riduzione dei componenti magnetici con la conseguente riduzione del peso del generatore tutte le caratteristiche sopra menzionate oltre ad un basso consu mo di elettricità rendono questi generatori ideali per ogni tipo di saldatura gli apparec chi sono inoltre dotati di una maniglia che consente di spostarli facilmente al fine di ottenere risultati soddisfacenti in conformità con tutti gli standards di sicurez za l operatore deve avere una buona cono scenza di quanto segue saldatura mma e tig regolazione dei parametri di saldatura prestazioni di saldatura 10
- Installazione 11
- Istruzioni d uso 12
- Predisposizione optional 12
- Pannelli controllo parametri saldatura 13
- Saldatura con elettrodi rivestiti mma 14
- Qualita della saldatura 15
- Completamento impianto tig con torcia a raffreddamento ad aria 16
- Funzione ciclo in saldatura tig 17
- Funzione pulsante torcia 2t 4t 17
- Salvare e richiamare i para metri di saldatura impostati 17
- Manutenzione ordinaria 18
- Safety 20
- Personal protection 21
- All features can be selected and regulated using the control panel assembled on the front of the generators to improve the wel ding performance the exception to these cases is the fan on demand function it automatically regulates ventilation according to the internal temperature of the generator 25
- Available features for welding 25
- Ble reduction of the magnetic components as a consequence the weight of the generator is reduced all these features other than their low power consumption make these generators perfect for all kinds of welding they are also equipped with a handle for easy movement 25
- For satisfying results and in accordance with all safety standards users must be familiari zed with mma and tig welding regulation of welding parameters welding performance technical information 25
- Inverter technology these current generators with inverters are designed to work under unstable voltages the use of power components and electrolytic con densers with higher voltage and a particular control circuit ensure high stability of the wel ding current even in the event of power varia tions these inverters allow for welding with co ated electrodes mma and using scratch start with infusible electrodes tig some equipped with hf thanks to the technology used in their manufacturing the generators make it particu larly easy to use the two mma tig functions right from the start these inverter generators consist of a power control board a switching transformer and an impedance the board in cludes several electronic functions to improve the arc trigger and the dynamic action of the welding in order to obtain perfect welding with all kinds of electrodes an igbt bridge ensures quick reaction and maximum accuracy together with a remarka 25
- Note for more information on the perfor mance of the product you have just pur chased please refer to the values on the information plates 25
- Presentation 25
- Table 2 25
- Table 3 25
- Table 3 offers a list of the main features avai lable for mma and tig welding of the genera tors some of these features are specific for some models while others are related to the selected welding procedure 25
- The figures in table 2 may differ from the values on the information plates fixed to the rear panel of their generators 25
- Installation 26
- Istructions of use 27
- Welding parameter control panel 28
- Welding with coated electrodes mma 29
- Welding quality 30
- Welding with infusible electrode tig 30
- Completing the tig system with an air cooled torch 31
- Adjusted welding parameters save recall 32
- Cycle function in tig welding 32
- T 4t torch button function 32
- Routine maintenance 33
- Vorwort 34
- Sicherheit 35
- Persönliche schutzausrüstung 36
- Vorstellung 40
- Installation 41
- Gebrauchsanleitung 42
- Steuertafeln schweissparameter 44
- Schweissen mit mantelelektroden mma 45
- Schweissqualität 46
- Schweissen mit nicht abschmelzbarer elektrode wig 47
- Vervollständigung der wig anlage mit brenner mit luft kühlung 47
- Funktion brennertaste 2t bzw 4t 48
- Zyklusfunktion beim wig schweiseen 48
- Ordentliche wartung 49
- Speichern und abrufen der eingestellten schweissparameters 49
- Avant propos 50
- Sécurité 51
- Protection personnelle 52
- Présentation 56
- Branchement au réseau électrique 57
- Installation 57
- Instructions d usage 58
- Panneaux de commande des paramètres de soudage 59
- Soudage à électrodes revêtues mma 61
- Qualité de la soudure 62
- Soudure à l électrode infusible tig 62
- Fin du système tig avec torche à refroidissement naturel 63
- Enregistrer et rappeler les paramètres réglés 64
- Entretien ordinaire 64
- Fonction de la touche torche 2t 4t 64
- Fonction du cycle de soudage tig 64
- Preámbulo 65
- Seguridad 66
- Protección personal 67
- Presentación 71
- Instalación 72
- Instrucciones de uso 73
- Paneles de control de parámetros de soldadura 74
- Soldadura con electrodos revestidos mma 76
- Calidad de la soldadura 77
- Sistema tig complementado con antorcha con refrigeración por aire 78
- Función botón antorcha 2t 4t 79
- Función ciclo con soldadura tig 79
- Guardar y recuperar los parámetros configurados 79
- Mantenimiento ordinario 79
- Предисловие 80
- Безопасность 81
- Личная защита 82
- Презентация 86
- Установка 87
- Инструкция по использованию 88
- Ссылка блок охлаждения предоставление по желанию рис 1 88
- Панели управления параметрами сварки 89
- Сварка покрытыми электродами мма 91
- Качество сварки 92
- Комплектация установки tig с естественным охлаждением горелки 93
- Функция цикла сварки tig 93
- Сохранение и вызов 94
- Текущее 94
- Техобслуживание 94
- Функция кнопки горелки 2t 4t 94
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