Explanatory Notes On Welding In "Ac - Stel TIG μP 203H-353H AC/DC Manual De Instrucciones

ENGLISH
TIG µP 203H-353H AC/DC
COD. 6902500070

6.3 EXPLANATORY NOTES ON WELDING IN "AC"

When welding in ALTERNATING CURRENT it is possible to regulate the
frequency from 20Hz to 200 Hz.
I (A)
OUT
It is also possible to regulate the balance of the positive part with respect to the
negative from 10% to 90%; the two extreme situations are indicated below :
I (A)
OUT
B
Case
Case A :Maximum penetration, minimum cleanliness, no electrode consumption
(tungsten)
Case B : Maximum cleanliness, minimum penetration, electrode consumption
(tungsten)
An accurate study has revealed that the best compromise is a balance of 35%
positive and 60% negative.
STEL s.r.l. – Via del Progresso n° 59 – 36020
Loc. Castegnero (VICENZA) - ITALY
TEL. +39 444 639525 (central.) – +39 444 639682 (comm.)
FAX +39 444 639641 – E-mail:stelgroup.com
http: www.stelgroup.it
TECHNICAL
DESCRIPTION
I (A)
OUT
A
Case
ENGLISH
6.3 EXPLANATORY NOTES ON WELDING IN "AC"
When welding in ALTERNATING CURRENT it is possible to regulate the
frequency from 20Hz to 200 Hz.
It is also possible to regulate the balance of the positive part with respect to the
negative from 10% to 90%; the two extreme situations are indicated below :
I (A)
OUT
Case
Case A :Maximum penetration, minimum cleanliness, no electrode consumption
(tungsten)
Case B : Maximum cleanliness, minimum penetration, electrode consumption
(tungsten)
An accurate study has revealed that the best compromise is a balance of 35%
positive and 60% negative.
STEL s.r.l. – Via del Progresso n° 59 – 36020
Loc. Castegnero (VICENZA) - ITALY
TEL. +39 444 639525 (central.) – +39 444 639682 (comm.)
FAX +39 444 639641 – E-mail:stelgroup.com
67 http: www.stelgroup.it
TIG µP 203H-353H AC/DC
COD. 6902500070
I (A)
OUT
I (A)
OUT
B A
Case
TECHNICAL
DESCRIPTION
67