- 110 -
1$0(âý$1-(.2/87$=ä,&21$6322/*816OLND,
32=25 35(' =$ý(7.20 6( 35(35,ý$-7( '$ -( 1$35$9$
,=./-8ý(1$,1,=./23/-(1$,=(/(.75,ý1(*$205(ä-$
35(9(5,7( '$ 9$/-, =$ 9/(.2 ä,&( 292- =$ 92',/2 ä,&( ,1 &(9ý,&$
=$ 67,. (/(.752'1(*$ '5ä$/$ 8675(=$-2 35(0(58 ,1 7,38 ä,&(
., -2 1$0(5$9$7( 8325$%,7, 7(5 '$ 62 35$9,/12 1$0(âý(1, 0('
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2GVWUDQLWHSRNURYþHNWDNRGDRGYLMHWHXVWUH]QLYLMDN
3RVWDYLWHNROXWåLFHQDPRWDOQLEREHQ
- Sprostite pritisni valj in ga oddaljite od spodnjega valja (2).
.RQHFåLFHVSURVWLWH]JODGNLPUH]RPRGUHåLWHGHIRUPLUDQLNRQHFNLQHVPHLPHWL
SOHQH ]DYUWLWH NROXW Y QDVSURWQL VPHUL XULQHJD ND]DOFD LQ åLFR YVWDYLWH Y YKRGQR
YRGLOR]DåLFR3RWLVQLWHMR]DPPYQRWUDQMRVWYLOLFH
3RQRYQRQDPHVWLWH
SURWLYDOMWHU JDXUDYQDMWH QDVUHGQML WODNSUHYHULWH GDMH åLFD
SUDYLOQRQDPHãþHQDYSURVWRUXVSRGQMHJDYDOMD
- Z vijakom za uravnavanje rahlo zavrite motalni boben.
.RMH6322/*81SULNOMXþHQYWDNQLWHYWLþYDULOQHJDDSDUDWDYQDSDMDOQRYWLþQLFR
YNOMXþLWH YDULOQL DSDUDW LQ SULWLVQLWH JXPE QD VSRRO JXQX 3RþDNDMWH GD ER NRQHF
åLFHSRNXNDO VNR]L RYRM ]D YRGLOR åLFH ]DSULEOLåQR PP QD VSUHGQML VWUDQL
HOHNWURGQHJDGUåDOD6SXVWLWHJXPEQDHOHNWURGQHPGUåDOX
6. VARJENJE MIG-MAG: OPIS POSTOPKA
6.1 SHORT ARC (KRATKI OBLOK)
'RWDOMHQMDåLFHLQORþHYDQMDNDSOMHSULGH]DUDGL]DSRUHGQLKNUDWNLKVWLNRYPHGNRQLFR
åLFHLQYDULOQHJDNUDWHUMDGRNUDWQDVHNXQGR3URVWDGROåLQDåLFHVWLFNRXWMH
navadno od 5 do 12mm.
2JOMLNRYDLQPDOROHJLUDQDMHNOD
3UHPHUXSRUDEQLKåLF PPPPVDPRUD]OLþLFD$
- Uporabni plin: CO
2
DOLPHãDQLFH$U&2
2
1HUMDYQDMHNOD
3UHPHUXSRUDEQLKåLF PPPPVDPRUD]OLþLFD$
8SRUDEQLSOLQ PHãDQLFH$U2
2
ali Ar/CO
2
(1-2%)
$OXPLQLMLQ&X6L&X$O
3UHPHUXSRUDEQLKåLF PPPPVDPRUD]OLþLFD$
- Uporabni plin: Ar
6WUåHQVNDåLFD
3UHPHUXSRUDEQLKåLF PP
- Uporabni plin: Noben
=$âý,71,3/,1
'RPHW]DãþLWQHJDSOLQDPRUDELWLOPLQ
1$ý,1'(/29$1-$0,*0$*
'HORYDQMHY6,1(5*,ý1(0QDþLQX
*OHGHQDWRNDNRXSRUDEQLNRSUHGHOLSDUDPHWUHNRWVRPDWHULDOSUHPHUåLFH in
tip plina
, se varilni aparat samodejno nastavi na optimalne pogoje za delovanje,
NL WHPHOMLMR QD UD]OLþQLK VLQHUJLþQLK NULYXOMDK VKUDQMHQLK Y SRPQLOQLNX DSDUDWD
8SRUDEQLN PRUD OH L]EUDWL GHEHOLQR PDWHULDOD GD ODKNR ]DþQH YDULWL 2QH7RXFK
Technology).
=DVORQþHN/&'Y6,1(5*,ý1(0QDþLQXGHORYDQMD6OLND/
2SR]RULOR9VHSULND]DQH YUHGQRVWL NL MLKMHPRJRþH L]ELUDWL VRRGYLVQHRG YQDSUHM
izbranega tipa varjenja.
1DþLQVLQHUJLþQHJDGHORYDQMD
;
0DWHULDONLJDåHOLPRYDULWL5D]SRORåOMLYLWLSL)HMHNOR6VQHUMDYQRMHNOR$O0J
5
AlSi
5
DOXPLQLM&X6L&X$OSRFLQNDQHSORãþHVSDMNDQMH)OX[VWUåHQVNDåLFD
varjenje brez plina);
3UHPHUåLFH]DXSRUDER
3ULSRURþHQL]DãþLWQLSOLQ
'HEHOLQDPDWHULDODNLJDåHOLPRYDULWL
*UD¿þQLLQGLNDWRUGHEHOLQHPDWHULDOD
*UD¿þQLLQGLNDWRUREOLNHYDUND
8- Varilne vrednosti:
KLWURVWSRGDMDQMDåLFH
varilna napetost;
varilni tok.
9- ATC (Advanced Thermal Control).
1DVWDYLWYHSDUDPHWURY
ýH SULWLVQHWH JXPE & ]D YVDM VHNXQGR GRELWH GRVWRS GR YQDSUHM VKUDQMHQLK
programov v aparatu.
ýH]DYUWLWHURþLFR&VHODKNRSRPLNDWHSRYVHKSURJUDPLK35*LWG,]EHULWH
L]EUDQL SURJUDP WDNR GD SULWLVQHWH LQ VSXVWLWH URþLFR 9DULOQL DSDUDW VH VDPRGHMQR
QDVWDYL QD RSWLPDOQH SRJRMH ]D GHORYDQMH QDVWDYOMHQH ] UD]OLþQLPL VKUDQMHQLPL
VLQHUJLþQLPLNULYXOMDPL8SRUDEQLNPRUDOHL]EUDWLGHEHOLQRPDWHULDOD]URþLFR&LQ
ODKNR]DþQH YDULWL 9DULOQD QDSHWRVWLQ YDULOQL WRNVWD SULND]DQDQD ]DVORQþNX VDPR
med varjenjem.
8UDYQDYDQMHREOLNHYDUND
2EOLNRYDUNDXUDYQDYDPR]URþLFR6OLND&VNDWHURXUDYQDYDPRGROåLQRREORND
NDUGRORþDPRþQHMãHDOLãLENHMãHVHJUHYDQMH]YDUD
1DVWDYOMDWLJDMHPRJRþHPHG··YYHþLQLSULPHURYGRVHåHPRRSWLPDOQR
RVQRYQRQDVWDYLWHY]URþLFRYVUHGQMHPSRORåDMX
); (Vrednost je prikazan na
]DVORQþNX /&' QD OHYL VWUDQL JUD¿þQHJD VLPEROD ]D YDUHN LQ SR L]WHNX YQDSUHM
GRORþHQHJDþDVDL]JLQH
=YUWHQMHPURþLFH6OLND&VHJUD¿þQLSULND]QD]DVORQþNX]DSULND]REOLNH]YDUND
VSUHPHQLLQSRNDåHEROMNRQYHNVHQSORãþDWDOLNRQNDYHQUH]XOWDW
.RQYHNVQDREOLND
3RPHQLGDMHVHJUHYDQMHãLENRLQMH]DWRYDUMHQMHKODGQR
LQQHSURGUHJORERNRURþLFR]DYUWLWHYVPHULXULQHJDND]DOFDGDELSRYHþDOLVHJUHYDQMH
LQGRVHJOLPRþQHMãHWDOMHQMH
.RQNDYQDREOLND
3RPHQLGDMHVHJUHYDQMHPRþQRLQMH]DWRYDUMHQMHSUHYURþH
LQSURGLUDSUHJORERNRURþLFR]DYUWLWHYQDVSURWQLVPHULXULQHJDND]DOFDGDEL]PDQMãDOL
segrevanje in taljenje.
1DþLQGHORYDQMD$7&$GYDQFHG7KHUPDO&RQWURO
$NWLYLUDVHVDPRGHMQRNRMHQDVWDYOMHQDGHEHOLQDPDQMãDRGPP
Opis: KLSQL QDG]RU YDULOQHJD REORND LQ KLWUHMãL SRSUDYHN SDUDPHWURY ]PDQMãXMHMR
SRMDYYUãQLKWRNRYNLVRWLSLþQL]DQDþLQSUHQRVD6KRUW$UFVWHPSDVHWXGL]PDQMãD
VHJUHYDQMHYDUMHQFD.HUMHGRYDMDQHWRSORWHPDQMMHSRHQLVWUDQLPDQMãHGHIRUPLUDQMH
PDWHULDOD SR GUXJL SD GRVHåHPR WHNRþ LQ QDWDQþHQ SUHQRV GRGDMDQHJD PDWHULDOD
WDNRGDXVWYDULPRYDUHNNLJDMHPRJRþH]ODKNRWRREOLNRYDWL
3UHGQRVWL
- preprosto varjenje zelo tankih obdelovancev;
PDQMãHGHIRUPLUDQMHPDWHULDOD
VWDELOHQREORNWXGLSULãLENHPWRNX
KLWURLQQDWDQþQRWRþNRYQRYDUMHQMH
SUHSURVWHMãH]GUXåHYDQMHEROMUD]PDNQMHQLKSORþHYLQ
8SRUDEDVSRROJXQNMHUMHSUHGYLGHQ
9VH QDþLQH ]D QDVWDYLWYH PDWHULDO SUHPHU åLFH WLS SOLQD L]YHGLWH NRW MH RSLVDQR
zgoraj.
5RþLFD QD VSRRO JXQX 6OLND , XUDYQDYD KLWURVW åLFH WHU VRþDVQR YDULOQL WRN LQ
GHEHOLQR 8SRUDEQLN PRUD OH SRSUDYLWL YDULOQR QDSHWRVW QD ]DVORQþNX þH MH WR
potrebno).
1DVWDYLWYHQDSUHGQLKSDUDPHWURY0(186OLND0
'DELGRVWRSDOLGRQDVWDYLWHYQDSUHGQLKSDUDPHWURYSULWLVQLWH VRþDVQRURþLFL6OLND
&LQ6OLND&GUåLWHMXYVDMVHNXQGRLQQDWRVSXVWLWH.RVHSRMDYL0(18MR
VSHW SULWLVQLWH 9VDN SDUDPHWHU MH PRJRþH QDVWDYLWL QD åHOHQR YUHGQRVW ] YUWHQMHP
URþLFH6OLND&GRNOHUQH]DSXVWLWHPHQXMD
SRSUDYHNGYLåQHUDPSH]DåLFR6OLND0
2PRJRþDSRSUDYHN]DþHWQHUDPSH]DåLFRGDELVHL]RJQLOLPRUHELWQHPX]DþHWQHPX
QDODJDQMXPDWHULDODYYDUNX8UDYQDYDQMHRGGR7RYDUQLãNDYUHGQRVW
0 %
SRSUDYHNHOHNWURQVNHUHDNWDQFH6OLND0
9LãMDYUHGQRVWGRORþDWRSOHMãLYDULOQLNUDWHU8UDYQDYDQMHRGVWURM]PDMKQR
UHDNWDQFRGRVWURM]YHOLNRUHDNWDQFR7RYDUQLãNDYUHGQRVW
SRSUDYHN%XUQEDFN6OLND0
2PRJRþDQDVWDYOMDQMHL]JRUHYDQMDYDULOQHåLFHSUL]DXVWDYOMDQMXYDUMHQMD8UDYQDYDQMH
RGGR7RYDUQLãNDYUHGQRVW
3RVWJDV6OLND0
2PRJRþDSULODJRGLWHYGRYDMDQMD]DãþLWQHJDSOLQDSUL]DXVWDYLWYLYDUMHQMD8UDYQDYDQMH
RGGRVHNXQG7RYDUQLãNDYUHGQRVWVHN
'HORYDQMHY52ý1(0QDþLQX
Uporabnik lahko prilagodi vse varilne parametre.
=DVORQþHN/&'Y52ý1(0QDþLQXGHORYDQMD6OLND1
52ý1,QDþLQGHORYDQMD
;
2- Varilne vrednosti:
KLWURVWSRGDMDQMDåLFH
varilna napetost;
varilni tok.
1DVWDYLWYHSDUDPHWURY
9 URþQHP QDþLQX VH SRGDMDQMH åLFH LQ YDULOQD QDSHWRVW XUDYQDYDWD ORþHQR 5RþLFD
6OLND&XUDYQDYDKLWURVWåLFHURþLFD6OLND&SDXUDYQDYDYDULOQRQDSHWRVWNL
GRORþDPRþYDUMHQMDLQYSOLYDQD REOLNRYDUND9DULOQL WRNMHSULND]DQQD]DVORQþNX
(Slika N-2) samo med varjenjem.
1DVWDYLWHYSDUDPHWURYVVSRROJXQNMHUMHSUHGYLGHQ
9 URþQHP QDþLQX VH SRGDMDQMH åLFH LQ YDULOQD QDSHWRVW XUDYQDYDWD ORþHQR 5RþLFD
QDVSRRO JXQX 6OLND , XUDYQDYD KLWURVW åLFH YDULOQDQDSHWRVW SD VHXUDYQDYD ]
zaslona.
1DVWDYLWYHQDSUHGQLKSDUDPHWURY0(186OLND0
'DELGRVWRSDOLGRQDVWDYLWHYQDSUHGQLKSDUDPHWURYSULWLVQLWH VRþDVQRURþLFL6OLND
&LQ6OLND&GUåLWHMXYVDMVHNXQGRLQQDWRVSXVWLWH.RVHSRMDYL0(18MR
VSHW SULWLVQLWH 9VDN SDUDPHWHU MH PRJRþH QDVWDYLWL QD åHOHQR YUHGQRVW ] YUWHQMHP
URþLFH6OLND&GRNOHUQH]DSXVWLWHPHQXMD
'YLåQDUDPSD]DåLFR6OLND0
2PRJRþDSULODJDMDQMHKLWURVWLåLFHRG]DþHWNDYDUMHQMD]DRSWLPL]DFLMRSURåHQMDREORND
8UDYQDYDQMHRGGRãWDUWYGHORYQHKLWURVWL7RYDUQLãNDYUHGQRVW
(OHNWURQVNDUHDNWDQFD6OLND0
9LãMD YUHGQRVW GRORþD WRSOHMãL YDULOQL NUDWHU 1DVWDYLWHY RG VWURM ] PDMKQR
UHDNWDQFRGRVWURM]YHOLNRUHDNWDQFR7RYDUQLãNDYUHGQRVW
%XUQEDFN6OLND0
2PRJRþDQDVWDYOMDQMHL]JRUHYDQMDYDULOQHåLFHSUL]DXVWDYOMDQMXYDUMHQMD8UDYQDYDQMH
RGGRVHNXQGH7RYDUQLãNDYUHGQRVWVHN
3RVWJDV6OLND0
2PRJRþDSULODJRGLWHYGRYDMDQMD]DãþLWQHJDSOLQDSUL]DXVWDYLWYLYDUMHQMD8UDYQDYDQMH
RGGRVHNXQG7RYDUQLãNDYUHGQRVWVHN
1DVWDYLWYHHOHNWURGQHJDGUåDOD776322/*81NMHUMHSUHGYLGHQ
1DVWDYLWHYXSRUDEHHOHNWURGQHJDGUåDOD776322/*81MHPRJRþHL]YHVWLQD
GYDQDþLQD
VSULWLVNRPQDJXPEQDNUPLOQLSORãþL6OLND&WDNRGDSRVYHWLXVWUH]QDVYHWOHþD
dioda;
WDNR GD ]D YVDM HQR VHNXQGR SULWLVQHWH JXPE QD HOHNWURGQHP GUåDOX NL JD