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óõíäåäåìÝíï óôç ãåßùóç.
,
*
1 - Åßóïäïò ìïíïöáóéêÞò ãñáììÞò ñåõìáôïäüôçóçò,
- Âåâáéþíåóôå üôé ç ðñßæáôñïöïäüôçóçò ñåýìáôïò
ìïíÜäá áíïñèùôÞ êáé óõìðõêíùôþí åîßóùóçò.
åßíáé óùóôÜ óõíäåäåìÝíç ìå ôçí ðñïóôáôåõôéêÞ ãå
2 - ÃÝöõñá switching ìå ôñáíæßóôïñ (IGBT) êáé drivers>
ìåôáôñÝðåé ôçí áíïñèùìÝíç ôÜóç ãñáììÞò óå
ßùóç.
- Ìçí ÷ñçóéìïðïéåßôå ôç ìç÷áíÞ óå õãñïýò Þ
åíáëëáóüìåíç ôÜóç õøçëÞò óõ÷íüôçôáò (85kHz)
êáé ðñáãìáôïðïéåß ôç ñýèìéóç ôçò éó÷ýïò óå ó÷Ýóç
âñåãìÝíïõò ÷þñïõò Þ êÜôù áðü ô
ìå ôï áðáéôïýìåíï ñåýìá/ôÜóç óõãêüëëçóçò.
ç âñï÷Þ.
3 - Ìåôáó÷çìáôéóôÞò çøçëÞò óõ÷íüôçôáò:
- Ìçí ÷ñçóéìïðïéåßôå êáëþäéá ìå ìüíùóç öèáñìÝíç
ôï ðñùôåýïí ðëÝãìá ñåõìáôïäïôåßôáé ìå ôçí ôÜóç
Þ ìå óõíäÝóåéò (åðáöÝò) ÷áëáñùìÝíåò.
ðïõ Ý÷åé ìåôáâëçèåß áðü ôç ìïíÜäá 2·áõôÞ Ý÷åé ùò
ëåéôïõñãßá íá ðñïóáñìüæåé ôÜóç êáé ñåýìá óôéò
áíáãêáßåò ôéìÝò ãéá ôç äéáäéêáóßá óõãêüëëçóçò äéá
çëåêôñéêïý ôüîïõ êáé óõã÷ñüíùò íá áðïìïíþíåé
ãáëâáíéêÜ ôï êýêëùìá ôçò óõãêüëëçóçò áðü ôç
ãñáììÞ ñåõìáôïäüôçóçò.
- Ìçí êÜíåôå çëåêôñïóõãêïëëÞóåéò ðÜíù óå êïõôéÜ,
4 - Äåõôåñåýïõóá áíïñèùôéêÞ ãÝöõñá ìå åðáãùãÞ:
ìåôáôñÝðåé ôçí åíáëëáóüìåíç ôÜóç/ñåýìá ðïõ
äï÷åßá Þ óùëçíþóåéò ðïõ ðåñéåß÷áí åýöëåêôá
ðáñÝ÷åôáé áðü ôï äåõôåñåýùí ðëÝãìá óå óõíå÷Ýò
ðñïúüíôá Þ êáýóéìá õãñÜ Þ áÝñéá.
ñåýìá/ôÜóç ðïëý ÷áìçëÞò äéáêýìáíóçò.
- Áðïöåýãåôå íá åñãÜæåóôå ðÜíù óå õëéêÜ
5 - ÇëåêôñïíéêÞ êáñôÝëá åëÝã÷ïõ êáé ñýèìéóçò:
êáèáñéóìÝíá ìå ÷ëùñéïý÷ïõò äéáëýôåò Þ êïíôÜ óå
åëÝã÷åé óôéãìéáßùò ôçí ôéìÞ ôïõ ñåýìáôïò
ôÝôïé ïõò äéáëýôåò.
çëåêôñïóõãêüëëçóçò êáé ôçí óõãêñßíåé ìå ôçí ôéìÞ
èåôçìÝíç áðü ôïí ÷åéñéóôÞ·óõíôïíßæåé ôéò ùèÞóåéò
- Åîáóöáëßæåôå ìéá êáôÜëëçëç áëëáãÞ áÝñïò Þ ìÝóá
åëÝã÷ïõ ôùí drivers ôùí IGBT ðïõ ðñáãìáôïðïéïýí
éêáíÜ íá áöáéñïýí ôïõò êáðíïýò ôçò
ôç ñýèìéóç.
çëåêôñïóõãêüëëçóçò ðïõ ó÷çìáôßæïíôáé ãýñï áðü
Êáèïñßæåé ôçí äõíáìéêÞ áðÜíôçóç ôïõ ñåýìáôïò
ôï ôüîï.
êáôÜ ôç äéÜñêåéá ôçò ôÞîçò ôïõ çëåêôñïäßïõ
- Ðñïóôáôåýåôå ðÜíôá ôá ìÜôéá ìå ôá åéäéêÜ
(óôéãìéáßá âñá÷õêõêëþìáôá), êáé åðéèåùñåß ôá
áíôéáêôéíéêÜ ãõáëéÜ ôïðïèåôçìÝíá ðÜíù óå ìÜóêåò
óõóôÞìáôá áóöáëåßáò.
Þ êÜóêåò.
¼ñãáíá óýíäåóçò, ñýèìéóçò êáé óçìáôïäüôçóçò
Ïðßóèéï ôáìðëþ
Fig. B
1 - êáëþäéï ñåõìáôïäüôçóçò ìå öéò ÅÏÊ 2p + (W ).
- ×ñçóéìïðïéåßôå ôá åéäéêÜ ðñïóôáôåõôéêÜ
Ôá ìïíôÝëá 170 + 200 ôï êáëþäéï åßíáé ÷ùñßò öéò.
ñïý÷á êáé ãÜíôéá áðïöåýãïíôáò íá åêèÝôåôå ôçí
2 - Ãåíéêüò äéáêüðôçò O/OFF - I/ON (öùôåéíüò).
åðéäåñìßäá óôéò õðåñéþäåéò áêôßíåò ðïõ ðáñÜãïíôáé
áðü ôï ôüîï.
Ìðñïóôéíü ôáìðëþ
Fig. C
1- ÈåôéêÞ (+) ðñßæá ôá÷åßáò óýíäåóçò ãéá ôç óýíäåóç
êáëùäßïõ çëåêôñïóõãêüëëçóçò.
2- ÁñíçôéêÞ (–) ðñßæá ôá÷åßáò óýíäåóçò ãéá ôç
óýíäåóç êáëùäßïõ çëåêôñïóõãêüëëçóçò.
3- Ðïôåíóéüìåôñï ãéá ôç ñýèìéóç ôïõ ñåýìáôïò
ÃÅÍÉÊÅÓ ÐËÇÑÏÖÏÑÉÅÓ
çëåêôñïóõãêüëëçóçò ìå êëßìáêá
áíïñèùôÞò ìå óôáèåñü ñåìáýìá ãéá
äéáâáèìéóìÝíç óå ÁìðÝñ· åðéôñÝðåé ôç ñýèìéóç
çëåêôñïóõãêüëëçóç äéá çëåêôñéêïý ôüîïõ, ðïõ
áêüìç êáé êáôÜ ôç äéÜñêåéá ôçò óõãêüëëçóçò.
åëÝã÷åôáé áðü ìéá ãÝöõñá ìå åíéó÷õôÞ çëåêôñéêÞò
4- Êéôñéíï led: êáíïíéêÜ êëåéóôü, üôáí åßíáé áíïéêôü
äõíÜìåùò (ôñáíæßóôïñ) (IGBT) ìå ôõðéêÞ óõ÷íüôçôá
äåß÷íåé áíùìáëßá ðïõ ìðëïêÜñåé ôï ñåýìá
ëåéôïõñãßáò 32 kHz.
óõãêüëëçóçò ãéá äéÜöïñïõò ëüãïõò ðïõ
Ôá éäéáßôåñá ÷áñáêôçñéóôéêÜ áõôïý ôïõ óõóôÞìáôïò
åíäå÷ïìÝíùò íá åßíáé:
- ÈåñìéêÞ ðñïóôáóßá : óôï åóùôåñéêü ôçò óõóêåõÞò
ñýèìéóçò (INVERTER), üðùò õøçëÞ ôá÷ýôçôá êáé
õðÜñ÷åé õðåñâïëéêÞ èåñìïêñáóßá. Ç óõóêåõÞ
áêñßâåéá ñýèìéóçò, ðáñÝ÷ïõí óôç ìç÷áíÞ åîáéñåôéêÝò
ðáñáìÝíåé áíïéêôÞ áëëÜ äåí ðáñÝ÷åé ñåýìá ìÝ÷ñé
éäéüôçôåò ãéá ôç óõãêüëëçóç üëùí ôùí åðéêáëõììÝíùí
ðïõ åðéôõã÷Üíåé ìéá êáíïíéêÞ èåñìïêñáóßá. Ç
çëåêôñïäßùí êáé ãéá ôç óõãêüëëçóç TIG (d.c.).
åðáíáöïñÜ åßíáé áõôüìáôç.
Ç ñýèìéóç ìå ôï óýóôçìá «inverter» óôçí åßóïäï ôçò
- Ðñïóôáóßá ãéá õðÝñ êáé õðü-ôÜóç ôçò ãñáììÞò:
ãñáììÞò ñåõìáôïäüôçóçò (ðñùôåýïí) êáèïñßæåé
ìðëïêÜñåé ôç óõóêåõÞ åöüóïí ç ôÜóç ôçò ãñáììÞò
åðßóçò ìéá äñáóôéêÞ ìåßùóç ôïõ üãêïõ ôüóï ôïõ
åßíáé ðïëý õøçëÞ Þ ðïëý ÷áìçëÞ .
ìåôáó÷çìáôéóôÞ üóï êáé ôçò åðáãùãéêÞò áíôßóôáóçò
- Ðñïóôáóßá ãéá âñá÷õêýêëùìá : äçìéïõñãÞèçêå
åðéôñÝðïíôáò ôçí êáôáóêåõÞ ìéáò ìç÷áíÞò ìå
Ýíá âñá÷õêýêëùìá ìåãáëýôåñçò äéÜñêåéáò ôùí
õðåñâïëéêÜ ðåñéïñéìÝíï üãêï êáé âÜñïò êÜíïíôÜò ôçí
1,5 äåõô/ôùí (êüëëçìá çëåêôñüäéïõ) êáé ç óõóêåõÞ
åõêïëüôåñá öïñçôÞ êáé ìåôáöåñôÞ.
ìðëïêÜñåé, Ç åðáíáöïñÜ åßíáé áõôüìáôç.
Ç ìç÷áíÞ åßíáé êáôáóêåõáóìÝíç ïõóéáóôéêÜ áðü Ýíáí
5 - ÓõëëÝêôçò ëåéôïõñãåéþí: åðéôñÝðåé ôç ñýèìéóç ôçò
óõíôåëåóôÞ éó÷ýïò êáé ñýèìéóçò/åëÝã÷ïõ
äõíáìéêÞò ôçò óõóêåõÞò:
ðñáãìáôïðïéçìÝíï ðÜíù óå ôõðùìÝíï êýêëùìá êáé
áñéóôïðïéçìÝíï ãéá íá åðéôõã÷Üíåôáé ìÝãéóôç
1- èÝóç TIG ãéá ôçí åðßôåõîç ôçò ìåãáëýôåñçò
åìðéóôüôçôá êáé åëÜ÷éóôç óõíôÞñçóç.
óôáèåñüôçôáò ôïõ ñåýìáôïò ôüîïõ.
2- èÝóç HARD ãéá ôçí åðßôåõîç ôçò ìåãáëýôåñçò
Ó×ÅÄÉÁÃÑÁÌÌÁ ÌÏÍÁÄÙÍ
äõíáìéêÞò óõãêüëëçóçò (hot start êáé arc force),
Fig. A
åßíáé êáôÜëëçëç ãéá ôç óõãêüëëçóç ìå
“óêëçñÜ” çëåêôñüäéá (âáóéêÜ, áëïõìéíßïõ êëð.)
ÐåñéãñáöÞ:
3- èÝóç SOFT ãéá ôçí åðßôåõîç ìéáò äõíáìéêÞò
- Ìç óõãêïëëÜôå óå äï÷åßá ðïõ âñßóêïíôáé õðü ðßåóç.
- Ìçí ÷ñçóéìïðïéåßôå ôç ìç÷áíÞ ãéá íá îåðáãþíåôå
ôïõò óùëÞíåò.
- ÔïðïèåôÞóôå ôç ìç÷áíÞ óå ïñéæüíôéï åðßðåäï ãéá íá
áðïöýãåôå ôçí ðôþóç ôçò.
- 33 -
33


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