ESAB MEI 21 User manual

Category
Welding System
Type
User manual

ESAB MEI 21 wire feeder is a compact, robust unit for mechanized TIG welding. It is ideal for welding thin materials, and is particularly suitable for mechanized welding of stainless steel and aluminium. The MEI 21 is equipped with a powerful motor and a sturdy gearbox, ensuring precise wire feeding. It also features a built-in wire cutter and a jog function for easy wire threading.

ESAB MEI 21 wire feeder is a compact, robust unit for mechanized TIG welding. It is ideal for welding thin materials, and is particularly suitable for mechanized welding of stainless steel and aluminium. The MEI 21 is equipped with a powerful motor and a sturdy gearbox, ensuring precise wire feeding. It also features a built-in wire cutter and a jog function for easy wire threading.

Valid for serial no. 535--xxx--xxxx0444 392127 080828
MEI 21
Instruction manual Èíñòðóêöèÿ ïî ýêñïëóàòàöèè
-- 2 --
Rights reserved to alter specifications without notice.
Îñòàâëÿåì çà ñîáîé ïðàâî èçìåíÿòü ñïåöèôèêàöèþ áåç ïðåäóïðåæäåíèÿ.
Ðóññêèé 3..............................................................
ENGLISH 9.........................................................
Ðóññêèé
TOCr
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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ 4........................................
2 ÂÂÅÄÅÍÈÅ 6.......................................................
3 ÒÅÕÍÈ×ÅÑÊÈÅ ÕÀÐÀÊÒÅÐÈÑÒÈÊÈ 6................................
ÎÍÒÀÆ 7.........................................................
5 ÏÎÐßÄÎÊ ÐÀÁÎÒÛ 7...............................................
5.1 Ïðèñîåäèíåíèå íàïðàâëÿþùåé äëÿ ïðîâîëîêè 7............................
5.2 Çàìåíà/ââåäåíèå ïðèñà äî÷íîé ïðîâîëîêè 7................................
6 ÒÅÕÍÈ×ÅÑÊÎÅ ÎÁÑËÓÆÈÂÀÍÈÅ 8.................................
6.1 Ïðîâåðêà è ÷èñòêà 8.......................................................
7 ÈÍÔÎÐÌÀÖÈß ÄËß ÇÀÊÀÇÀ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 8.................
ÑÕÅÌÀ 17..............................................................
ÍÎÌÅÐ ÇÀÊÀÇÀ 18.....................................................
ÁÛÑÒÐÎÈÝÍÀØÈÂÅÌÛÅ ÄÅÒÀËÈ 19...................................
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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ
Ïîëüçîâàòåëè ñâàðî÷íîãî îáîðóäîâàíèÿ ESAB îòâå÷àþò çà âûïîëíåíèå ïðàâèë òåõíèêè
áåçîïàñíîñòè ëèöàìè, ðàáîòàþùèìè íà îáîðóäîâàíèè è ðÿäîì ñ íèì. Ïðàâèëà òåõíèê è
áåçîïàñíîñòè äîëæíû îòâå÷àòü òðåáîâàíèÿì ê áåçîïàñíîé ýêñïëóàòàöèè ñâàðî÷íîãî
îáîðóäîâàíèÿ ýòîãî òèïà. Ïîìèìî ñòàíäàðòíûõ ïðàâèë òåõíèêè áåçîïàñíîñòè è îõðàíû
òðóäà íà ðàáî÷åì ìåñòå ðåêîìåíäóåòñÿ ñëåäóþùåå.
Âñå ðàáîòû äîëæíû âûïîëíÿòüñÿ ïîäãîòîâëåííûìè ëèöàìè, çíàêîìûìè ñ ýêñïëóàòàöèåé
ñâàðî÷íîãî îáîðóäîâàíèÿ. Íåïðàâèëüíàÿ ýêñïëóàòàöèÿ îáîðóäîâàíèÿ ìîæåò âûçâàòü
îïàñíûì ñèò óàöèè, ïðèâîäÿùèå ê ò ðàâìèðîâàíèþ ïåðñîíàëà è ïîâðåæäåíèþ
îáîðóäîâàíèÿ.
1. Bñå ëèöà, èñïîëüçóþùèå ñâàðî÷íîå îáîðóäîâàíèå, äîëæíû çíàòü:
S èíñòðóêöèè ïî ýêñïëóàòàöèè
S ðàñïîëîæåíèå îðãàíîâ àâàðèéíîãî îñòàíîâà
S íàçíà÷åíèå îáîðóäîâàíèÿ
S ïðàâèëà òåõíèêè áåçîïàñíîñòè
S òåõíîëîãèþ ñâàðêè
2. Îïåðàòîð îáåñïå÷èâàåò:
S óäà ëåíèå ïîñòîðîííèõ ëèö èç ðàáî÷åé çîíû îáîðóäîâàíèÿ ïðè åãî çàïóñêå
S çàùèòó âñåõ ëèö îò âîçäåéñòâèÿ ñâàðî÷íîé äóãè
3. Ðàáî÷åå ìåñòî äîëæíî:
S îòâå÷àòü óñëîâèÿì ýêñïëóàòàöèè
S íå èìåòü ñêâîçíÿêîâ
4. Ñðåäñòâà çàùèòû ïåðñîíàëà
S Âî âñåõ ñëó÷àÿõ ðåêîìåíäóåòñÿ èñïîëüçîâàòü èíäèâèäóàëüíûå ñðåäñòâà çàùèòû,
íàïðèìåð, çàùèòíûå î÷êè, îãíåñòîéêóþ ñïåöîäåæäó è çàùèòíûå ðóêàâèöû.
S Ïðè ñâàðêå çàïðåùàåòñÿ íîñèòü ñâîáîäíóþ îäåæäó, óêðàøåíèÿ è ò.ä., íàïðèìåð,
øàðôû, áðàñëåòû, êîëüöà, êîòîðûå ìîãóò ïîïàñòü â ñâàðî÷íîå îáîðóäîâàíèå èëè
âûçâàò ü îæîãè.
5. Îáùèå ìåðû ïðåäîñòîðîæíîñòè
S Ïðîâåðüòå íàäåæíîñòü ïîäêëþ÷åíèÿ îáðàòíîãî êàáåëÿ.
S Ðàáîòû íà îáîðóäîâàíèè ñ âûñîêèì íàïðÿæåíèåì äîëæíû ïðîèçâîäèòüñÿ
òîëüêî êâàëèôèöèðîâàííûì ýëåêòðèêîì.
S Â ïðåäåëàõ äîñòóïà äîëæíû íàõîäèòüñÿ ñîîòâåò ñòâóþùèå ñðåäñòâà
ïîæàðîòóøåíèÿ, èìåþùèå ÿñíóþ ìàðêèðîâêó.
S Çàïðåù àåòñÿ ïðîâîäèòü ñìàçêó è òåõíè÷åñêîå îáñëóæèâàíèå îáîðóäîâàíèå âî
âðåìÿ ýêñïëóàòàöèè.
RU
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Ïåðåä íà÷àëîì ìîíòàæà è ýêñïëóàòàöèè âíèìàòåëüíî èçó÷èòå ñîîòâå òñòâóþùèå èíñòðóêöèè.
ÇÀÙÈÒÈÒÅ ÑÅÁß È ÄÐÓÃÈÕ!
ÂÍÈÌÀÍÈÅ!
Äóãoaaÿ caapka è peçka oïacíû kak äëa ècïoëíèteëÿ paáît, tak è äëa ïîctopoííèõëèö. Tpeáyéte
coáëþäåíèå àñåõ ïðààèë áåçîïàñíîñòè, äåéñòàóþùèõ íà îáúåêòå, êîòîðûå äîëæíû ó÷èòûààòú
ñåäåíèÿ îá îïàñíîñòÿõ, ïðåäñòààëåííûå èçãîãàèòåëåì ñààð î÷íîãî îáîðóäîààíèà.
ÎÏÀÑÍÎÑÒÜ ÑÌÅÐÒÅËÜÍÎÃÎ ÏÎÐÀÆÅÍÈß ÝËÅÊÒÐ È×ÅÑÊÈÌ ÒÎÊÎÌ.
S Ñâàðî÷íûé àãðåãàò óñòàíàâëèâàåòñÿ è çàçåìëÿåòñÿ â ñîîòâåòñòâèè ñ äåéñòâóþùèìè íîðìàìè è
ïðàâèëàìè.
S Íå äîïóñêàéòå ê îíò àêòà íàõîäÿùèõñ ÿ ïîä íàïðÿæåíèåì äåòàëåé è ýëåêòðîäîâ ñ íåçàùèùåííûìè
÷àñòÿìèòåëàîêðûìèðóêàâèöàìèèìîêðîéîäåæäîé.
S Îáåñïå÷üòå ýëåêòðè÷åñêóþ èçîëÿöèþ î ò çåìëè è ñâàðèâàåìûõ äåòàëåé.
S Îáåñïå÷üòå ñîáëþäåíèå áåçîïàñíûõ ðàáî÷èõ ðàññò îÿíèé.
ÄÛÌÛ È ÃÀÇÛ ìîã óò áûòü îïàñíû ä ëÿ ÷åëîâåêà
S Èñêëþ÷èòå âîçìî æíîñòü âîçäåéñòâèÿ äûìîâ.
S Äëÿ èñêëþ÷åíèÿ âäûõàíèÿ äûìîâ âî âðåìÿ ñâàðêè îðãàíèçóåòñÿ îáùàÿ âåíòèëÿöèÿ ïîìåùåíèÿ, à
òàêæåâûòÿæíàÿâåíòèëÿöèÿèççîíûñâàðêè.
ÈÇËÓ×ÅÍÈÅ ÄÓÃÈ âûçûâàåò ïîðàæåíèå ãëàç è îæîãè êîæè.
S Çàùèòèòå ãëàçà è êîæó. Äëÿ ýòîãî èñïîëüçóéòå çàùèòíûå ùèòêè, öâåòíûå ëèíçû è çàùèòíóþ
ñïåöîäåæäó.
S Äëÿ çàùèòû ïîñò îðîííèõ ëèö ïðèìåíÿþòñÿ çàùèòíûå ýêðàíû èëè çàíàâåñè.
ÏÎÆÀÐÎÎÏÀÑÍÎÑÒÜ
S Èñêðû (áðûçãè ìåòàëëà) ìîãóò âûçâàòü ïîæàð. Óáåäèòåñü â îòñóòñòâèè ãîðþ÷èõ ìàòåðèàëîâ
ïîáëèçîñòè îò ìåñòà ñâàðêè.
ØÓÌ - ×ðåçìåðíûé øóì ìîæåò ïðèâåñòè ê ïîâðåæäåíèþ îðãàíîâ ñëóõà
S Ïðèìèòå ìåðû äëÿ çàùèòû ñëóõà. Èñïîëüçóéòå çàòû÷êè äëÿ óøåé èëè äðóãèå ñðåäñòâà çàùèòû
ñëóõà.
S Ïðåäóïðåäèòå ïîñòîðîííèõ ëèö îá îïàñíîñòè.
ÍÅÈÑÏÐÀÂÍÎÑÒÈ -- Ïðè íåèñïðàâíîñòè îáðàòèòåñü ê ñïåöèàëèñòàì ïî ñâàðî÷íîìó
îáîðóäîâàíèþ
Äàííîå èçäåëèå ïðåäíàçíà÷åíî òîëüêî äëÿ äóãîâîé ñâàðêè.
ÎÑÒÎÐÎÆÍÎ!
Îáîðóäîâàíèå Class À íå ïðåäíàçíà÷åíî äëÿ èñïîëüçîâàíèÿ â
æèëûõ ïîìåùåíèÿõ, ãäå ýëåêòðîñíàáæåíèå îñóùåñòâëÿåòñÿ èç
áûòîâûõ ñåòåé íèçêîãî íàïðÿæåíèÿ. Â òàêèõ ìåñòàõ ìîãóò
ïîÿâèòüñÿ ïîòåíöèàëüíûå òðó äíîñòè îáåñïå÷åíèå
ýëåêòðîìàãíèòíîé ñîâìåñòèìîñòè îáîðóäîâàíèÿ Class À
âñëåäñòâèå êîíäóêòèâíûõ è ðàäèàöèîííûõ ïîìåõ.
ÎÑÒÎÐÎÆÍÎ!
Ïåðåä íà÷àëîì ìîíòàæà è ýêñïëóàòàöèè
âíèìàòåëüíî è çó÷èòå ñîîòâåòñòâóþùèå
èíñòðóêöèè.
Êîìïàíèÿ ESAB ãîòîâà ïðåäîñòàâèòü âàì âñå çàùèòíîå ñíàðÿæåíèå è
ïðèíàäëåæíîñòè, íå îáõîäèìûå äëÿ âûïîëíåíèÿ ñâàðî÷íûõ ð àáîò.
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2 ÂÂÅÄÅÍÈÅ
MEI 21 Ýòî óñòðîéñòâî ïîäà÷è ïðîâîëîêè äëÿ ìåõàíèçèðîâàííîé ñâàðêè TIG
(äóãîâàÿ ñâàðêà âîëüôðàìîâûì ýëåêòðîäîì â àòìîñôåðå èíåðòíîãî ãàçà).
Óñòðîéñòâî ñîñòîèò èç ñëåäóþùèõ êîìïîíåíò îâ:
1. Òðóá÷àòàÿ ðàìà
2. Áëîê ïîäà÷è
3. Ïðèâîäíîé äâèãàòåëü
4. Äåðæàòåëü êàòóøêè
5. Êàáåëü
6. Íàïðàâëÿþùàÿ äëÿ ïðîâîëîêè
The MEI 21 ïðåäíàçíà÷åíî äëÿ ïðîâîëîêè
äèàìåòðîì 0,6-0,8 ìì.
Äåðæàòåëü êàòóøêè (4) ïðåäíàçíà ÷åí äëÿ êàòóøåê ñ
íàðóæíûì äèàìåòðîì 200 ìì è øèðèíîé 60 ìì. Êðûøêó ìîæíî ñíèìàòü äëÿ
ïðîâåðêè èëè çàìåíû ïðîâîëîêè, îíà êðåïèòñÿ çàùåëêàìè.
Äâèãàòåëü ïîñòîÿííîãî òîêà (3) ñ çóá÷à òûì ê îëåñîì âðàùàåò çóáöîì äâà
ïîäàþùèõ ðîëèêà.
Äâèãàòåëü ïîñòîÿííîãî òîêà îñíàùåí èìïóëüñíûì äàò÷èêîì ñ îáðàòíîé
ñâÿçüþ ñ èñòî÷íèêîì ñâàðî÷íîãî òîêà.
Ïîäàþùèå ðîëèêè èìåþò äâå íàïðàâëÿþùèå äëÿ ïðîâîëîêè, êàæäàÿ èç
êîòîðûõ ïðåäíàçíà÷åíà äëÿ ïðîâîëîêè îïðåäåëåííîãî ðàçìåðà.
Äâà íàæèìíûõ ðîëèêà, êîòîðûå îáåñïå÷èâàþò íåîáõîäèìîå òðåíèå ìåæäó
ïðîâîëîêîé è ïîäàþùèìè ðîëèêàìè, óñòàíîâëåíû â ïðóæèííîì ìåõàíèçìå,
ïîçâîëÿþùèì ðåã óëèðîâàòü äàâëåíèå.
Êàáåëü (5) ñîåäèíÿåò MEI 21 ñ èñòî÷íèêîì ñâàðî÷íîãî òîêà.
Óïðàâëåíèå óñòðîéñòâîì MEI 21 îñóùåñòâëÿåòñÿ ÷åðåç èñòî÷íèê ñâàðî÷íîãî
òîêà.
3 ÒÅÕÍÈ×ÅÑÊÈÅ ÕÀÐÀÊÒÅÐÈÑÒÈÊÈ
MEI 21
Äëèíà íàïðàâëÿþùåé äëÿ ïðîâîëîêè. 4,2 ì
Ñêîðîñòü ïîäà÷è ïðîâîëîêè 0,1 - 2,6 ì/ìèí
Ðàáî÷àÿ òåìïåðàòóðà îò -10 äî +40˚C
ÐàçìåðûÄxØx 490x 380 x 430ìì
Âåññêàòóøêîé5êã 15 ê ã
Âåñ áåç êàò óøêè 10 ê ã
Íåïðåðûâíî äåéñòâóþùèé ýêâèâàëåíòíûé
óðîâåíü çâóêîâîãî äàâëåíèÿ ïî øêà ëå A
58 äÁ
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Äâèãàòåëü
Íîìèíàëüíîå íàïðÿæåíèå
48 Â ïîñòîÿííîãî òîêà
Êàò óøêà ä ëÿ ïðîâîëîêè
Íàðóæíûé äèàìåòð
Øèðèíà êàòóøêè
Øèðèíà ñòóïèöû
Äèàìåòð îòâåðñòèÿ ñòóïèöû
200 ìì
60 ìì
60 ìì
51, 5 ìì
ÎÍÒÀÆ
Ââîä â ýêñïëóàòàöèþ äîëæåí ïðîèçâîäèòüñÿ êâàëèôèöèðîâàííûì
ñïåöèàëèñòîì.
WARNING
Rotating parts can cause injury, take great care.
ÎÑÒÎÐÎÆÍÎ!
Íàñòîÿùåå èçäåëèå ïðåäíàçíà ÷åíî äëÿ ïðîìûøëåííîãî èñïîëüçîâàíèÿ. Ïðè
èñïîëüçîâàíèè â áûòîâûõ óñëîâèÿõ îíî ìîæåò ñîçäàâàòü ðàäèî÷àñòîòíûå ïîìåõè.
Ïîëüçîâàòåëü îòâå÷àåò çà ïðèíÿòèå ñîîòâåòñòâóþùèõ ìåð ïðåäîñòîðîæíîñòè.
S Ïîäêëþ÷èòå êàáåëü áëîêà ïîäà÷è ïðîâîëîêè ê èñòî÷íèêó ñâàðî÷íîãî òîêà
5 ÏÎÐßÄÎÊ ÐÀÁÎÒÛ
Îáùèå ïðàâèëà òåõíèêè áåçîïàñíîñòè ïðè ðàáîòå ñ îáîðóäîâàíèåì
ïðèâîäÿòñÿ íà ñòð. 4. Ïðî÷òèòå èõ äî èñïîëüçîâàíèÿ îáîðóäîâàíèÿ!
5.1 Ïðèñîåäèíåíèå íàïðàâëÿþùåé äëÿ ïðîâîëîêè
S Îòâèíòèòå áîëò íà âûõîäíîé ñòîðîíå áëîêà ïîäà÷è ïðîâîëîêè
S Ïðèñîåäèíèòå íàïðàâëÿþùóþ äëÿ ïðîâîëîêè è çàòÿíèòå áîëò.
S Óáåäèòåñü, ÷òî íàïðàâëÿþùàÿ ä ëÿ ïðîâîëîêè ïðàâèëüíî ðàñïîëîæåíà
ìåæäó ïîäàþùèìè ðîëèêàìè è ÷òî îíà äîõîäèò äî íèçà.
5.2 Çàìåíà/ââåäåíèå ïðèñàäî÷íîé ïðîâîëîêè
S Îñâîáîäèòå íàæèìíóþ ïðóæèíó ïîäàþùèõ ðîëèêîâ.
S Ñíèìèòå êðûøêó ñ êàòóøêè.
S Ñìîòàéòåîñòàâøèéñÿïðîâîäñáëîêàïîäà÷èïðîâîëîêèèíàìîòàéòåíà
êàòóøêó íîâóþ ïðîâîëîêó.
S Âûòÿíèòå íîâóþ ïðèñà äî÷íóþ ïðîâîëîêó íà 10-20 ñì.
S Çà÷èñòèòå íàïèëüíèêîì îñòðûå êðàÿ ïðèñàäî÷íîé ï ðîâîëîêè, ïðåæäå
÷åì âñòàâëÿòü åå â áëîê ïîäà÷è ïðîâîëîêè.
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S Óáåäèòåñü, ÷òî ïðîâîëîêà ïðàâèëüíî âõîäèò â êàíàâêè ïîäàþùèõ
ðîëèêîâ è â âûïóñêíîå îò âåðñòèå/ íàïðàâëÿþùóþ äëÿ ïðîâîëîêè.
S Çàòÿíèòå ïðóæèíó.
S Çàêðîéò å êàòóøêó êðûøêîé è ïðèæìèòå êðûøêó.
S Âûòÿíèòå ïðèñàäî÷íóþ ïðîâîëîêó, òàê ÷òîáû îíà âûøëà èç
áûñòðîðàçúåìíîãî ñîåäèíåíèÿ ñàíòèìåòðîâ íà äåñÿòü.
S Âñòàâüòå ïðèñàäî÷íóþ ïðîâîëîêó âðó÷íóþ â áûñòðîðàçúåìíîå
ñîåäèíåíèå ñî ñòîðîíû èíñòðóìåíòà.
S Ñîåäèíèòå îáå ÷àñòè áûñòðîðàçúåìíîãî ñîåäèíåíèÿ.
S Îñëàáüòå ñîåäèíèòåëüíûé íèïïåëü îò äåðæàòåëÿ øëàíãà íà èíñòðóìåíòå è
óñòàíîâèòå èíñòðóìåíò òàê, ÷òîáû íàïðàâëÿþùàÿ äëÿ ïðîâîëîêè áûëà
íàïðàâëåíà ïðÿìî.
S Ñíîâà çàïóñòèòå ïîäà÷ó ïðîâîëîêè è ïðîâåäèòå ïðèñàäî÷íóþ ïðîâîëîêó
÷åðåç âûïóñêíîå îòâåðñòèå.
S Ïîäðåæüòå êîíåö ïðèñàäî÷íîé ïðîâîëîêè.
S Çàêðåïèòå ñîåäèíèòåëüíûé íèïïåëü íà äåðæàòåëå øëàíãà.
6 ÒÅÕÍÈ×ÅÑÊÎÅ ÎÁÑËÓÆ ÈÂÀÍÈÅ
Ðåãóëÿðíîå òåõíè÷åñêîå îáñëóæèâàíèå èìååò âàæíîå çíà÷åíèå äëÿ
îáåñïå÷åíèÿ áåçîïàñíîñòè è íàäåæíîñòè.
Ïðèìå÷àíèå:
à àðàíòìèéíûå îáÿçàòåëüñòâà ïîñòàâùèêà òåðÿþò ñèëó, åñëè ïîêóïàòåëú
ñàìîñòîÿòåëúíî ïûòàåòñÿ ïð îèçâåñòè êàêèå-ëèáî ðàáîòû ïî óñòðàíåíèþ
íåèñïðàâíîñòåé èçäåëèÿ â òå÷åíèå ãàðàíòèéíîãî ñðîêà.
6.1 Ïðîâåðêà è ÷èñòêà
Ðåã óëÿðíîå òåõíè÷åñêîå îáñëóæèâàíèå èìååò áîëüøîå çíà÷åíèå ä ëÿ
áåçîïàñíîé è íàäåæíîé ðàáîòû îáîðóäîâàíèÿ.
Äëÿ îáåñïå÷åíèÿ áåçîòêàçíîé ïîäà÷è ïðîâîëîêè íåîáõîäèìî
ïåðèîäè÷åñêè ïðîèçâîäèòü ÷èñòêó è çàìåíó èçíàøèâàåìûõ ÷àñò åé
ìåõàíèçìà ïîäà÷è ïðîâîëîêè.
Ó÷òèòå! Óñòàíîâêà ÷ðåçìåðíîãî äàâëåíèÿ ìîæåò ïðèâåñòè ê ïîâûøåííîìó
èçíîñó íàæèìíûõ ðîëèêîâ, ïîäàþùèõ ðîëèêîâ è íàïðàâëÿþùåé äëÿ
ïðîâîëîêè.
7 ÈÍÔÎÐÌÀÖÈß ÄËß ÇÀÊÀÇÀ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ
Ðàáîòû ïî ðåìîíòó è ýëåêòðè÷åñêîìó ìîíòàæó äîëæíû âûïîëíÿòüñÿ
êâàëèôèöèðîâàííûì ñïåöèàëèñòîì ESAB .
Íåîáõîäèìî èñïîëüçîâàòü òîëüêî çàïàñíûå ÷àñòè, âûïóùåííûå ôèðìîé
ESAB.
Çàïàñíûå ÷àñòè ìîæíî çàêàçòú ó áëèæàéøåãî ê Âàì ESAB, (ñì. ïåðå÷åíú íà
ïîñëåäíåé ñòðàíèöå äàííîé áðîøþðû).
RU
ENGLISH
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TOCe
1 DIRECTIVE 10........................................................
2SAFETY 10...........................................................
3 INTRODUCTION 12...................................................
4 TECHNICAL DATA 13.................................................
5 INSTALLATION 13....................................................
6 OPERATION 13.......................................................
6.1 Connecting the wire conduit 13.................................................
6.2 Replacement/Insertion of filler wire 14..........................................
7 MAINTENANCE 14....................................................
7.1 Inspection and cleaning 14....................................................
8 ORDERING OF SPARE PARTS 15......................................
DIAGRAM 17............................................................
ORDERING NUMBER 18.................................................
WEAR PARTS 19........................................................
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1DIRECTIVE
DECLARATION OF CONFORMITY
ESAB AB, Welding Equipment, SE--695 81 Laxå, Sweden, declares that Wire feed unit MEI21 from
serial number 535 (1995 week 35) onwards are constructed and tested in compliance with the stan-
dard EN 60204--1/ EN 12100--2 in accordance with the requirements of directive (98/37/EEC) and
standard EN 60974--10 (Class A) in accordance with the requirements of directive (2004/108/EEC).
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --------
Kent Eimbrodt
Global Director
Equipment and Automation
Laxå 2008--08--12
2SAFETY
Users of ESAB welding equipment have the ultimate responsibility for ensuring that anyone who
works on or near the equipment observes all the relevant safety precautions. Safety precautions
must meet the requirements that apply to this type of welding equipment. The following recommen-
dations should be observed in addition to the standard regulations that apply to the workplace.
All work must be carried out by trained personnel well--acquainted with the operation of the welding
equipment. Incorrect operation of the equipment may lead to hazardous situations which can result
in injury to the operator and damage to the equipment.
1. Anyone who uses the welding equipment must be familiar with:
S its operation
S location of emergency stops
S its function
S relevant safety precautions
S welding
2. The operator must ensure that:
S no unauthorized person is stationed within the working area of the equipment when it is
started up.
S no--one is unprotected when the arc is struck
3. The workplace must:
S be suitable for the purpose
S be free from drafts
4. Personal safety equipment
S Always wear recommended personal safety equipment, such as safety glasses, flame--proof
clothing, safety gloves.
S Do not wear loose--fitting items, such as scarves, bracelets, rings, etc., which could become
trapped or cause burns.
5. General precautions
S Make sure the return cable is connected securely.
S Work on high voltage equipment may only be carried out by a qualified electrician.
S Appropriate fire extinquishing equipment must be clearly marked and close at hand.
S Lubrication and maintenance must not be carried out on the equipment during operation.
GB
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WARNING
Read and understand the instruction manual before installing or operating.
Arc welding and cutting can be injurious to yourself and others. Take precausions when welding.
Ask for your employer’s safety practices which should be based on manufacturers’ hazard data.
ELECTRIC SHOCK - Can kill
S Install and earth the welding unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is s afe.
FUMES AND GASES - Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone
and the general area.
ARC RAYS - Can injure eyes and burn skin.
S Protect y our eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE - Excessive noise can damage hearing
S Protect y our ears. Use earmuffs or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION - Call for expert assistance in the event of malfunction.
PROTECT YOURSELF AND OTHERS!
CAUTION!
This product is solely intended for arc welding.
CAUTION!
Class A equipment is not intended for use in residential locations where
the electrical power is provided by the public low--voltage supply
system. There may be potential difficulties in ensuring electromagnic
compatibility of class A equipment in those locations, due to conducted
as well as radiated disturbances.
Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law , electrical equipment
that has reached the end of its life must be collected separately and returned to an
environmentally compatible recycling facility. As the owner of the equipment, you should
get information on approved collection systems from our local representative.
By applying this European Directive you will improve the environment and human
health!
GB
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CAUTION!
Read and understand the instruction manual before
installing or operating.
ESAB can provide you with all necessary welding p rotectio n and accessories.
3 INTRODUCTION
The MEI 21 is a wire feed unit for mechanized TIG welding.
The unit consists of the following components:
1. Tube frame
2. Feed unit
3. Drive motor
4. Reel holder
5. Cable
6. Wire conduit
The MEI 21 is designed for wire diameters Ø 0.6 to Ø 0.8 mm.
The reel holder (4) will accept reels with an outer diameter of 200 mm and a width of
60 mm. The cover, which is removed to check or change the wire, is held by snap
fasteners.
A DC motor (3) with gear wheel drives the two feed rollers through a cog.
The DC motor is provided with a pulse transducer with feedback coupling to the
welding power source.
The feed rollers have two tracks for wire and each track is designed for a determined
wire dimension.
Two pressure rollers, which provide the necessary friction between the wire and the
feed roller, are mounted in a spring mechanism that allows the pressure to be
adjusted.
Motor cable ( 5) is provided for connecting the MEI 21 to the welding power source.
MEI 21 is controlled over the welding power source.
GB
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4 TECHNICAL DATA
MEI 21
Length of wire conduit 4.2 m
Wire feed speed 0.1 -- 2.6 m/min
Operating temperature -- 1 0 t o + 4 0 ˚C
Dimensions L x W x H 490x 380 x 430mm
Weight with 5kg reel 15 kg
Weight without reel 10 kg
Continuous A--weighted noise pressure 58 dB
Motor
Rated voltage
48 V DC
Wire reel
Outer diameter
Reel width
Width of hub
Hub hole diameter
200 mm
60 mm
60 mm
51.5 mm
5 I NSTALLATION
The installatio n must be executed b y a p rofession al.
WARNING
Rotating parts can cause injury, take great care.
CAUTION!
This product is intended for industrial use. In a domestic environment this product may
cause radio interference. It is the user’s responsibility to take adequate precautions.
S Connect the wire feed unit cable to the welding power source.
6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 10. Read through before you start using the equipment!
6.1 Connecting the wire conduit
S Unscrew the bolt on the output side of the wire feed unit.
S Connect the wire conduit and tighten the bolt.
S Check that the wire conduit is in the right position between the feed rollers and
that it bottoms.
GB
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6.2 Replacement/Insertion of filler wire
S Release the feed roller pressure spring.
S Remove the cover of the bobbin.
S Rewind any existing wire out of the wire feed unit and remove the wire reel.
S Straighten out the new filler wire 10--20 cm.
S File off any sharp edges of the filler wir e before inserting it into the wire feed
unit.
S Make sure the wire comes right in the grooves of the feed rollers and the
outlet nozzle/wire conduit.
S Retension the spring.
S Press the reel cover in place.
S Advance the filler wire till it sticks out some ten centimetres through the quick--
coupling.
S Insert the filler wir e manually into the tool part of the quick--coupling.
Interlock the two parts of the coupling.
S Loosen the joint nipple from the hose support on the tool and place the tool so
that the wire conduit is straight.
S Start the wire feed again and feed the filler wire out through the nozzle.
S Trim the end of the filler wire.
S Fit the joint nipple on the hose support.
7 MAINTENANCE
Regular maintenance is important for safe, reliable operation.
CAUTION!
All guarantee undertakings from the supplier cease to apply if the customer himself
attempts any work in the product during the guarantee period in order to rectify any faults.
7.1 Inspection and cleaning
Regular maintenance is important for reliable and safe operation.
Cleaning and replacement of the wear parts of the wire feed mechanism should
take place periodically to ensure trouble--free wire feed.
Note! that an excessive pressure setting can result in abnormal wear on the
pressure roller, feed roller and wire liner.
GB
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8 ORDERING OF SPARE PARTS
MEI 21 is designed and tested in accordance with the international and European stan-
dards EN 60204--1 / 12100--2 and EN 60974--10. It is the obligation of the service unit
which has carried out the service or repair work to make sure that the product still
conforms to the said standard.
Repair and electrical work should be performed by an authorized ESAB serviceman.
Use only ESAB original spare and wear parts.
Spare parts may be ordered through your nearest ESAB dealer, see the last page of
this publication.
GB
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p
Diagram Ñõåìà
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fua3e
AP01 486 348--880
XS01 368 543--003
M01, E01 443 832--001
MEI 21
Edition 080828
Ordering number Íîìåð çàêàçà
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fua3o
Ordering no. Denomination Type
0443 830 880 Wire feed unit MEI 21
0444 393 880 Upgrade kit for using 15 kg bobin
0444 392 990 Spare parts list
Instruction manuals and the spare parts list are available on the Internet at www.esab.com
MEI 21
R0444 392/E080828/PNO TAG
Wear p arts Áûñòðîèýíàøèâåìûå äåòàëè
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Pos
Item
no.
Ant
Qty
Best nr .
Ordering no.
Benämning
Denomination
Anm.
Notes
0441 299 880 Wire feed mechanism
1 1 0367 907 003 Inlet nozzle Ø2.5mm
2 1 0441 990 001 Guider
3 2 0455 068 001 Shaft
4 4 0455 053 880 Ball bearing
5 1 0441 304 001 Pinion
Item Ordering no. Denomination Wire type Wire dimensions Groove
typ
6 0369 557 001 Feed/pressure rollers Fe, Ss & cored Ø 0.6 & 0.8 mm V
0369 557 003 Feed/pressure rollers Fe, Ss & cored Ø 1.0 & 1,2 mm V
0369 557 005 Feed/pressure rollers Cored Ø 1.4/1.6 & 2.0/2.4 mm V--Knurled
7 0190 725 200 Ball bearing
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ESAB MEI 21 User manual

Category
Welding System
Type
User manual

ESAB MEI 21 wire feeder is a compact, robust unit for mechanized TIG welding. It is ideal for welding thin materials, and is particularly suitable for mechanized welding of stainless steel and aluminium. The MEI 21 is equipped with a powerful motor and a sturdy gearbox, ensuring precise wire feeding. It also features a built-in wire cutter and a jog function for easy wire threading.

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