35(0,.$1-( 9$5,/1(*$ $3$5$7$ SOLQVNR MHNOHQNR YHGQR XVWUH]QR
]DYDUXMWHGDQHELSRQHVUHþLSDGODþHMRXSRUDEOMDWH
5RþDMDQHVPHWHXSRUDEOMDWL]DREHãDQMHYDULOQHJDDSDUDWD
=DãþLWDLQJLEOMLYLGHOLRKLãMDYDULOQHJDDSDUDWDLQSRGDMDOQHQDSUDYHPRUDMRELWL
QDPHãþHQLSUHGHQSULNOMXþLWHQDSUDYRQDHOHNWULþQLWRN
32=25.DNUãQLNROLURþQLSRVHJLQDJLEOMLYLKGHOLKSRGDMDOQHQDSUDYHQDSULPHU
1DGRPHãþDQMHYDOMDLQR]VLVWHPD]DYRGHQMHåLFH
9VWDYOMDQMHåLFHYYDOM
3ROQMHQMHåLþQHWXOMDYH
ýLãþHQMHYDOMHY]REQLNRYLQSURVWRUDSRGQMLPL
3RGPD]RYDQMH]REQLNRY
6( /$+.2 ,=9$-$-2 6$02 .2 -( 9$5,/1, $3$5$7 ,=./-8ý(1 ,1
,=./23/-(1,=(/(.75,ý1(*$205(ä-$
892',163/2â1,23,6
7D YDULOQL DSDUDW MH YLU WRND ]D REORþQR YDUMHQMH L]GHODQ SRVHEHM ]D YDUMHQMH 0$*
]D RJOMLNRYD LQ PDOROHJLUDQD MHNOD ] ]DãþLWQLP SOLQRP &2
2
DOL PHãDQLFR DUJRQ&2
2
.
8SRUDEOMDMRVHPDVLYQHDOLVWUåHQVNHFHYDVWHåLFH
Primerni so tudi za varjenje MIG nerjavnega jekla s plinom argon + 1-2% kisikom ter
aluminija in CuSi
3
, CuAl
8
(spajkanje) s plinom argon. Pri tem se uporabljajo elektrodne
åLFHSULPHUQH]DYDUMHQLGHO
3ROHJWHJDMHPRJRþHXSRUDEOMDWLVWUåHQVNHåLFHSULPHUQH]DXSRUDEREUH]]DãþLWQHJD
SOLQD)OX[WDNRGDVHSULODJRGLSRODULWHWDHOHNWURGQHJDGUåDODNRWQDYDMDSURL]YDMDOHF
åLFH
96,1(5*,ý1(0QDþLQXGHORYDQMD]DJRWDYOMDKLWURLQSUHSURVWRQDVWDYOMDQMHYDULOQLK
SDUDPHWURY LQ SUL WHP YHGEL ]DJRWDYOMD PRþDQ QDG]RU REORND LQ NDNRYRVWL YDUMHQMD
(OneTouch Technology).
3RVHEHM MH SULPHUQR ]D XSRUDER SUL ODåMLK WHVDUVNLK L]GHONLK LQ RKLãMD ]D YDUMHQMH
SRFLQNDQHSORþHYLQH]HORSURåQHSORþHYLQHQHUMDYQHJDMHNODLQDOXPLQLMD
32*/$9,71(/$671267,
6LQHUJLþQRGHORYDQMHVDPRGHMQRDOLURþQRGHORYDQMH
YQDSUHMSULSUDYOMHQLKVLQHUJLþQLKNULYXOM
1D]DVORQþNX/&'SULND]DQLKLWURVWåLFHYDULOQDQDSHWRVWLQYDULOQLWRN
- Izbira delovanja 2K, 4K, spot;
1DVWDYLWYHUDPSD]DGYLJåLFHHOHNWURQVNDUHDNWDQFDþDVNRQþQHJDL]JRUHYDQMD
åLFHEXUQEDFNSRVWJDV
- Zamenjava varilne polaritete GAS MIG-MAG/BRAZING ali NO GAS/FLUX;
7HUPRVWDWVND]DãþLWD
=DãþLWDSUHGQDNOMXþQLPLNUDWNLPLVWLNL]DUDGLVWLNDPHGHOHNWURGQLPGUåDORPLQPDVR
=DãþLWDSUHGQHQRUPDOQLPLQDSHWRVWPLQDSDMDOQDQDSHWRVWMHSUHYLVRNDDOLSUHQL]ND
6(5,-6.$235(0$
HOHNWURGQRGUåDOR
L]KRGQDåLFD]PDVQLPLNOHãþDPL
'2'$7.,1$92/-21$=$+7(92
- Prilagojevalnik za jeklenko argon;
9R]LþHN
- Samozatemnitvena maska;
- Komplet za varjenje MIG/MAG.
7(+1,ý1,32'$7.,
32'$7.291$3/2âý,&$
Osnovni podatki o uporabi in zmogljivostih varilnega aparata so povzeti na tablici z
lastnostmi in pomenijo naslednje:
6OLND$
(95236., SUHGSLV NL VH QDQDãD QD YDUQRVW LQ L]GHODYR QDSUDYH ]D REORþQR
varjenje.
Shema notranje zgradbe varilnega aparata.
Shema predvidenega postopka varjenja.
Shema
S
SULND]XMH GD VH ODKNR L]YDMD YDUMHQMH Y SURVWRUX NMHU MH SRYHþDQD
QHYDUQRVWHOHNWULþQHJDXGDUDQSUEOLåLQDYHOLNLKNROLþLQNRYLQ
6KHPDQDSDMDOQHJDRPUHåMD
aHQRID]QDL]PHQLþQDQDSHWRVW
aWULID]QDL]PHQLþQDQDSHWRVW
6SRVREQRVW]DãþLWHSRNURYD
Podatki o napajalni liniji:
-
U
,]PHQLþQDQDSHWRVWLQIUHNYHQFDQDSDMDQMDYDULOQHJDDSDUDWDGRYROMHQLOLPLWL
±10%).
-
I
PD[
0DNVLPDOQLWRNNLJDSUHQHVHRPUHåMH
-
I
HII
: Nazivni napajalni tok.
3ULND]YDULOQHJDHOHNWULþQHJDNURJD
-
U
: Maksimalna napetost v prazno (odprt tokokrog varjenja)
-
I
/U
: Tok in napetost v skladu s predpisi, ki se uporabljata pri varjenju.
-
X
,]PHQLþQLRGQRVND]HþDVYNDWHUHPYDULOQLDSDUDWODKNRSURL]YHGHSULPHUQL
WRNLVWLVWROSHF,]UDåDVHYQDSRGODJLFLNODNLWUDMDPLQQSU PLQ
GHODPLQXWHSUHPRUDLWGýHVRIDNWRUMLXSRUDEHSUHVHåHQL&WHPSHUDWXUH
RNROMDSULGHGRWHUPLþQH]DãþLWHYDULOQLDSDUDWRVWDQHYSULSUDYOMHQRVWLGRNOHUVH
WHPSHUDWXUDQH]QLåD
-
A/V-A/V
NDåH VLVWHP UHJXODFLMH WRND SUL YDUMHQMX PLQLPXP PDNVLPXP Y
povezavi z napetostjo obloka.
6HULMVND ãWHYLOND ]D LGHQWL¿NDFLMR PRGHOD QDSUDYH QHSRJUHãOMLYD ]D WHKQLþQR
SRPRþRVNUER]QDGRPHVWQLPLGHOLLQSULLVNDQMXL]YRUDQDSUDYH
9UHGQRVWYDURYDON]]DNDVQMHQLPYNORSRPSRWUHEQLK]D]DãþLWROLQLMH
6LPEROLNLVHQDQDãDMRQDSUHGSLVHRYDUQRVWLNDWHULKSRPHQMHRSLVDQYSRJODYMX
³6SORãQDYDUQRVWSULREORþQHPYDUMHQMX´
2SRPED 1D ]JRUDM RSLVDQL SORãþLFL VR OH ]JOHGL YUHGQRVWL VLPERORY LQ ãWHYLON WRþQL
WHKQLþQLSRGDWNLYDãHJDYDULOQHJDDSDUDWDVRQDYHGHQLQDSORãþLFLQDYDãLQDSUDYL
'58*,7(+1,ý1,32'$7.,
9$5,/1,$3$5$7JOHMWDEHOR7$%
(/(.752'12'5ä$/2JOHMWDEHOR7$%
7HåDYDULOQHJDDSDUDWDMHQDYHGHQDYWDEHOL7$%
23,69$5,/1(*$$3$5$7$
.21752/1,6,67(085$91$9$1-(,1329(=$9$
9DULOQLDSDUDW6/,.$%
1DVSUHGQMLVWUDQL
.UPLOQDSORãþDJOHMWHRSLV
.DEHOLQHOHNWURGQRGUåDOR]DYDUMHQMH
.DEHOLQNUWDþND]DYUQLWHYQDPDVR
1D]DGQMHPGHOX
4- Glavno stikalo ON/OFF.
3ULNOMXþHN]DFHY]D]DãþLWQLSOLQ
6 - Napajalni kabel.
1DSURVWRUX]DPRWDOQLEREHQ
3R]LWLYQLSULNOMXþHN
1HJDWLYQLSULNOMXþHN
2SR]RULORREUQMHQDSRODULWHWD]DYDUMHQMH)/8;EUH]SOLQD
.50,/1$3/2âý$9$5,/1(*$$3$5$7$6OLND&
8UDYQDYDQMHPRþLYDUMHQMDVLQHUJLþQRGHORYDQMHDOLKLWURVWLSRGDMDQMDåLFHURþQR
GHORYDQMH3ULWLVNQDURþLFRRPRJRþDL]ELURPHGGHORYDQMHPY6,1(5*,ý1(0DOL
52ý1(0QDþLQX
8UDYQDYDQMH GROåLQH REORND VLQHUJLþQR GHORYDQMH DOL YDULOQD QDSHWRVW URþQR
GHORYDQMH 3ULWLVN QD URþLFR RPRJRþD GRVWRSDQMH GR UD]OLþQLK PHQXMHY ]D
nastavljanje varilnega aparata;
=DVORQþHN/&'
1$0(67,7(9
32=25 96( )$=( 1$0(67,79( ,1 35,./-8ý,79( 1$35$9( 1$
(/(.75,ý1,72.025$-2%,7,,=9('(1(.2-(9$5,/1,$3$5$7,=./-8ý(1
,1,=./23/-(1,=(/(.75,ý1(*$205(ä-$
(/(.75,ý1235,./-8ý,7(960(,=9(67,/(863262%/-(1226(%-(
3ULWUGLWHYL]KRGQHJDNDEODNOHãþH
6OLND'
80(67,7(99$5,/1(*$$3$5$7$
0HVWR ]D QDPHVWLWHY YDULOQHJD DSDUDWD SRLãþLWH WDNR GD QD QMHP QL RYLU SUL YKRGQL
RGSUWLQLLQL]KRGX]UDND]DRKODMDQMHVRþDVQRVHSUHSULþDMWHGDVHYDQMQHPRUHMR
vsesati prevodni prahovi, korozivne pare, vlaga itd.
Okoli varilnega aparata naj bo vsaj 250 mm prostega prostora.
32=25 'D EL SUHSUHþLOL QHYDUQH SUHPLNH LQ PRUHELWQR SUHYUDþDQMH
DSDUDWDPRUDELWLWDSRVWDYOMHQQDUDYQRSRYUãLQRVSULPHUQRQRVLOQRVWMRJOHGH
QDVYRMRWHåR
35,./-8ý,7(99205(ä-(
3UHGHQQDSUDYRSULNOMXþLWHVHSUHSULþDMWHGDVHYUHGQRVWLQDSORãþLFL]ODVWQRVWPL
QDSUDYHXMHPDMR]QDSHWRVWMRLQIUHNYHQFRRPUHåMDNLMHQDUD]SRODJRYSURVWRUXY
NDWHUHPMHQDPHãþHQDQDSUDYD
9DULOQLDSDUDWVHODKNRSULNOMXþLL]NOMXþQRYQDSDMDOQLVLVWHPNLLPDR]HPOMHQRQLþOR
'D EL ]DJRWRYLOL ]DãþLWR SUHG QHSRVUHGQLP VWLNRP XSRUDELWH GLIHUHQFLDOQD VWLNDOD
tipa:
- Tipa
A
(
) za enofazne stroje.
'D EL ]DGRVWLOL QRUPDWLYX (1 )OLFNHU (OHNWURPDJQHWQD ]GUXåOMLYRVW
YDPVYHWXMHPRGDYDULOQLDSDUDWQDYPHVQLãNHWRþNHQDSDMDOQHJDRPUHåMD]PDQMãR
impendanco od Zmax =0.25 ohm.
- Varilni aparat ne ustreza zahtevam normativa IEC/EN 61000-3-12.
ýHJDSRYHåHPRYMDYQRQDSDMDOQRRPUHåMHMHWLVWLNLJDQDPHãþDDOLXSRUDEOMD
RGJRYRUHQ]DWRGDERSUHYHULODOLJDMHPRJRþHSULNOMXþLWLþHMHWUHEDVHSRVYHWXMWH
]GREDYLWHOMHPGLVWULEXFLMVNHJDRPUHåMD
9WLNDþLQYWLþQLFD
9WLþ QDSDMDOQHJD NDEOD SULNOMXþLWH Y RPUHåQR YWLþQLFR RSUHPOMHQR ] YDURYDONDPL
ali samodejnim stikalom; predvideni ozemljitveni terminal mora biti povezan na
R]HPOMLWYHQL SUHYRGQLN UXPHQR]HOHQR QDSDMDOQHJD RPUHåMD 7DEHOD
7$%
SULND]XMHSULSRURþHQHYUHGQRVWLYDURYDONYDPSHULKL]EUDQLKQDSRGODJLQDMYHþMHJD
nazivnega toka, ki ga porablja varilni aparat, ter na podlagi nazivne napajalne
napetosti.
32=25 ýH ]JRUDM QDYHGHQLK SUHGSLVRY QH XSRãWHYDWH YDUQRVWQL
VLVWHP SURL]YDMDOFD UD]UHG , QL YHþ XþLQNRYLW ]DWR ODKNR SULGH GR WHåNLK
SRãNRGESULþORYHNXQSUHOHNWULþQLXGDULQSULVWYDUHKQSUSRåDU
329(=$9(9$5,/1(*$72.2.52*$
32=25 35(' =$ý(7.20 6( 35(35,ý$-7( '$ -( 1$35$9$
,=./-8ý(1$,1,=./23/-(1$,=(/(.75,ý1(*$205(ä-$
Tabela 1
7$%
SULND]XMHSULSRURþHQHYUHGQRVWL]DYDULOQHåLFHYPP
2
) na podlagi
maksimalnega toka, ki ga varilni aparat lahko proizvede.
3ULNORSQDMHNOHQNRSOLQDþHVHXSRUDEOMD
-HNOHQNDVSOLQRPNLVHODKNRQDORåLQDQRVLOQRSRYUãLQRYR]LþNDPDNVNJ
3ULYLMWHUHGXNWRUWODNDQDYHQWLOSOLQVNHMHNOHQNHLQUHGXNWRUSULORåHQNRWGRGDWHN
þHXSRUDEOMDDUJRQDOLPHãDQLFRDUJRQ&2
2
.
3RYHåLWHYKRGQRFHYSOLQD]UHGXNWRUMHPLQSULYLMWHREURþHN
3UHGHQ RGSUHWH MHNOHQNR SRSXVWLWH NRYLQVNL REURþHN ]D QDVWDYOMDQMH UHGXNWRUMD
tlaka.
'RGDWHNNLJDPRUDWHNXSLWLSRVHEHMþHQLSULORåHQL]GHONX
3RYH]DYDSRYUDWQHJDHOHNWULþQHJDNDEOD]DYDULOQLWRN
Treba ga je povezati z delom, ki ga varimo, ali s kovinsko podlago, na katero je
QDVORQMHQþLPEOLåHGHOXNLJDREGHOXMHPR
