- 108 -
0HGGYHPDQRVLOFHPDHOHNWURGDOLHOHNWURGQLPDGUåDORPDFHORGRYUHGQRVWLNL
ODKNRGRVHåHGYDNUDWQRGRYROMHQRYUHGQRVW
8VSRVREOMHQNRRUGLQDWRUPRUDL]YHVWLPHULWHY]LQãWUXPHQWRPLQRGORþLWLDOL
MHREVWDMDWYHJDQMHWDNRGDXSRUDELYDUQRVWQHXNUHSHQDYHGHQHYWRþNL
VWDQGDUGD´(12SUHPD ]DREORþQRYDUMHQMH GHO 1DPHãþDQMHLQ
XSRUDED´
DRUGE NEVARNOSTI
35(951,7(9 YDULOQR QDSUDYR SRVWDYLWH QD YRGRUDYQR SRYUãLQR SULPHUQH
QRVLOQRVWL ]D QMHQR WHåR VLFHU QD SULPHU QD QDJQMHQL DOL QHUDYQL SRYUãLQL
REVWDMDQHYDUQRVWSUHYUQLWYH
1(35,0(51$5$%$QHYDUQRMHXSRUDEOMDWLYDULOQLVWURM]DYVHGUXJHREGHODYH
NLVHQHXMHPDMRVSUHGYLGHQRQSURGPU]RYDQMHYRGRYRGQHQDSHOMDYH
1(35,0(51$5$%$QHYDUQRMHþHYDULOQLDSDUDWVRþDVQRXSRUDEOMDYHþNRW
HQRSHUDWHU
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$*
]DRJOMLNRYDLQ PDOROHJLUDQD MHNOD] ]DãþLWQLP SOLQRP&2
2
DOLPHãDQLFR DUJRQ&2
2
.
8SRUDEOMDMRVHPDVLYQHDOLVWUåHQVNHFHYDVWHåLFH
Primeren je tudi za varjenje MIG nerjavnega jekla s plinom argon + 1-2% kisikom
ter aluminija in CuSi3, CuAl8 (spajkanje) s plinom argon. Pri tem se uporabljajo
HOHNWURGQHåLFHSULPHUQH]DYDUMHQLGHO
0RJRþHMHXSRUDEOMDWLWXGLVWUåHQVNHåLFHSULPHUQH]DXSRUDEREUH]]DãþLWQHJDSOLQD
)OX[WDNRGDVHSULODJRGLSRODULWHWDHOHNWURGQHJDGUåDODNRWQDYDMDSURL]YDMDOHFåLFH
VDPRSULUD]OLþLFDK$LQ$
3RVHEHMMHSULPHUQR]DXSRUDERSULODåMLKWHVDUVNLKL]GHONLKLQ]DRKLãMD]DYDUMHQMH
SRFLQNDQH SORþHYLQH ]HOR SURåQH SORþHYLQH QHUMDYQHJD MHNOD LQ DOXPLQLMD 9
6,1(5*,ý1(0 QDþLQX GHORYDQMD ]DJRWDYOMD KLWUR LQ SUHSURVWR QDVWDYOMDQMH YDULOQLK
SDUDPHWURY LQ SUL WHP YHGEL ]DJRWDYOMD PRþDQ QDG]RU REORND LQ NDNRYRVWL YDUMHQMD
(OneTouch Technology).
Kjer je predvideno, je varilni aparat (glejte Tabelo 1) pripravljen za varjenje TIG z
HQRVPHUQLPWRNRP'&]YNOMXþLWYLMRREORNDREVWLNXQDþLQ/,)7$5&SULPHUQHP
]DXSRUDER]YVHPLMHNOLNDUERQVNLPLPDOROHJLUDQLPLLQYLVRNROHJLUDQLPLLQ]DWHåNH
NRYLQHEDNHU QLNHOM WLWDQ LQ QMLKRYH]OLWLQH VþLVWLP DUJRQRPNRW ]DãþLWQLPSOLQRP
DOL]DSRVHEQHUDEH]PHãDQLFRDUJRQKHOLM3ULSUDYOMHQMHWXGLQDYDUMHQMH
] HOHNWURGR 00$ ] HQRVPHUQLP WRNRP '& ] RSODãþHQLPL HOHNWURGDPL UXWLOQLPL
NLVOLQVNLPLED]LþQLPL
2.1 POGLAVITNE LASTNOSTI
MIG-MAG
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 (samo pri
UD]OLþLFDK$LQ$
1DVWDYLWHYPHWULþQHJDDOLLPSHULDOQHJDVLVWHPD
7,*JOHMWDEHOR
3RYUãLQVNL]DþHWHN/,)7
1D]DVORQþNX/&'VRSULND]DQLKLWURVWåLFHYDULOQDQDSHWRVWLQYDULOQLWRN
00$JOHMWDEHOR
- Uravnavanje arc force, hot start.
- Naprava VRD.
=DãþLWDDQWLVWLFNSUHGOHSOMHQMHP
1DYHGEDSUHPHUDSULSRURþHQHHOHNWURGHJOHGHQDYDULOQLWRN
1D]DVORQþNX/&'VRSULND]DQLKLWURVWåLFHYDULOQDQDSHWRVWLQYDULOQLWRN
=$âý,7(
7HUPRVWDWVND]DãþLWD
=DãþLWDSUHGQDNOMXþQLPLNUDWNLPLVWLNL]DUDGLVWLNDPHGHOHNWURGQLPGUåDORPLQPDVR
=DãþLWDSUHGQHQRUPDOQLPLQDSHWRVWPLQDSDMDOQDQDSHWRVWMHSUHYLVRNDDOLSUHQL]ND
=DãþLWDSUHG]OHSOMDQMHP00$
2.2 SERIJSKA OPREMA
(OHNWURGQRGUåDOR
,]KRGQDåLFD]PDVQLPLNOHãþDPL
3RGSRUDQRVLOFD]DHOHNWURGQRGUåDORNMHUMHSUHGYLGHQR
2.3 DODATKI, NA VOLJO NA ZAHTEVO
- Prilagojevalnik za jeklenko argon;
9R]LþHNVDPRSULUD]OLþLFDK$LQ$
- Samozatemnitvena maska;
- Komplet za varjenje MIG/MAG;
- Komplet za varjenje MMA;
- Komplet za varjenje TIG.
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$
1- (95236., SUHGSLV NL VH QDQDãD QD YDUQRVW LQ L]GHODYR QDSUDYH ]D REORþQR
varjenje.
2- Shema notranje zgradbe varilnega aparata.
3- Shema predvidenega postopka varjenja.
4- Shema S SULND]XMH GD VH ODKNR L]YDMD YDUMHQMH Y SURVWRUX NMHU MH SRYHþDQD
QHYDUQRVWHOHNWULþQHJDXGDUDQSUEOLåLQDYHOLNLKNROLþLQNRYLQ
5- 6KHPDQDSDMDOQHJDRPUHåMD
aHQRID]QDL]PHQLþQDQDSHWRVW
aWULID]QDL]PHQLþQDQDSHWRVW
6- 6SRVREQRVW]DãþLWHSRNURYD
7- Podatki o napajalni liniji:
- U
1
,]PHQLþQDQDSHWRVWLQIUHNYHQFDQDSDMDQMDYDULOQHJDDSDUDWDGRYROMHQLOLPLWL
±10%).
- I
PD[
0DNVLPDOQLWRNNLJDSUHQHVHRPUHåMH
- I
HII
: Nazivni napajalni tok.
8- 3ULND]YDULOQHJDHOHNWULþQHJDNURJD
- U
0
: Maksimalna napetost v prazno (odprt tokokrog varjenja)
- I
2
8
2
: Tok in napetost v skladu s predpisi, ki se uporabljata pri varjenju.
-
;
,]PHQLþQL
RGQRVND]HþDVYNDWHUHPYDULOQLDSDUDWODKNRSURL]YHGHSULPHUQL
WRNLVWLVWROSHF,]UDåDVHYQDSRGODJLFLNODNLWUDMDPLQQSU PLQ
GHODPLQXWHSUHPRUDLWGýHVRIDNWRUMLXSRUDEHSUHVHåHQL&WHPSHUDWXUH
RNROMDSULGHGRWHUPLþQH]DãþLWHYDULOQLDSDUDWRVWDQHYSULSUDYOMHQRVWLGRNOHUVH
WHPSHUDWXUDQH]QLåD
- $9$9 NDåH VLVWHP UHJXODFLMH WRND SUL YDUMHQMX PLQLPXP PDNVLPXP Y
povezavi z napetostjo obloka.
9- 6HULMVND ãWHYLOND ]D LGHQWL¿NDFLMR PRGHOD QDSUDYH QHSRJUHãOMLYD ]D WHKQLþQR
SRPRþRVNUER]QDGRPHVWQLPLGHOLLQSULLVNDQMXL]YRUDQDSUDYH
10-
9UHGQRVWYDURYDON]]DNDVQMHQLPYNORSRPSRWUHEQLK]D]DãþLWROLQLMH
11- 6LPEROLNLVHQDQDãDMRQDSUHGSLVHRYDUQRVWLNDWHULKSRPHQMHRSLVDQYSRJODYMX
³6SORãQDYDUQRVWSULREORþQHPYDUMHQMX´
2SRPED1D ]JRUDMRSLVDQLSORãþLFLVROH]JOHGLYUHGQRVWLVLPERORY LQãWHYLONWRþQL
WHKQLþQLSRGDWNLYDãHJDYDULOQHJDDSDUDWDVRQDYHGHQLQDSORãþLFLQDYDãLQDSUDYL
'58*,7(+1,ý1,32'$7.,
9$5,/1,$3$5$7JOHMWHWDEHOR7$%
(/(.752'12'5ä$/20,*JOHMWHWDEHOR7$%
(/(.752'12'5ä$/27,*JOHMWHWDEHOR7$%
./(âý(=$126,/(&(/(.752'JOHMWHWDEHOR7$%
7HåDYDULOQHJDDSDUDWDMHQDYHGHQDYWDEHOL7$%
4. OPIS VARILNEGA APARATA
4.1 KONTROLNI SISTEMI, URAVNAVANJE IN POVEZAVA.
9$5,/1,$3$5$76OLNH%%%%
1DVSUHGQMLVWUDQL
.UPLOQDSORãþD
.DEHOLQHOHNWURGQRGUåDOR]DYDUMHQMH
.DEHOLQNUWDþND]DYUQLWHYQDPDVR
3ULNOMXþHN]DHOHNWURGQRGUåDOR
+LWULSR]LWLYQLSULNOMXþHN]DSULNORSYDULOQHåLFH
+LWULQHJDWLYQLSULNOMXþHN]DSULNORSYDULOQHåLFH
+LWULYWLþSRYH]DQVSULNOMXþNRPHOHNWURGQHJDGUåDOD
3ULNOMXþHN]DHOHNWURGQRGUåDOR7
3ULNOMXþHN]DHOHNWURGQRGUåDOR6322/*81
3ULNOMXþHN]DNUPLOQLNDEHO6322/*81
.DEHOLQHOHNWURGQRGUåDOR7
12- SPOOL GUN (dodatno).
1D]DGQMHPGHOX
13- Glavno stikalo ON/OFF.
3ULNOMXþHN]DFHY]D]DãþLWQLSOLQ
15- Napajalni kabel.
3ULNOMXþHN]DFHY]D]DãþLWQLSOLQHOHNWURGQHJDGUåDOD7
3ULNOMXþHN]DFHY]D]DãþLWQLSOLQHOHNWURGQHJDGUåDOD6322/*81
1DSURVWRUX]DPRWDOQLEREHQNMHUMHSUHGYLGHQ
3R]LWLYQLSULNOMXþHN
1HJDWLYQLSULNOMXþHN
2SR]RULORREUQMHQDSRODULWHWD]DYDUMHQMH)/8;EUH]SOLQD
.50,/1$3/2âý$9$5,/1(*$$3$5$7$6OLND&
L]ELUDþHMHSULWLVQMHQSRVWRSNDYDUMHQMD0,*0$*6,1(5*,ý1,DOL52ý1,7,*
ali MMA
6,1(5*,ý1,0,*0$*
8UDYQDYDQMHPRþLYDUMHQMD
52ý1,0,*0$*
+LWURVWSRGDMDQMDåLFH
7,*NMHUMHSUHGYLGHQ
- Uravnavanje varilnega toka.
00$NMHUMHSUHGYLGHQ
- Uravnavanje varilnega toka.
ýH MR SULWLVQHWH
RPRJRþD GRVWRS GR YQDSUHM QDVWDYOMHQLK SURJUDPRY Y
napravi.
6,1(5*,ý1,0,*0$*
1DVWDYOMDQMHYDUNDGROåLQDREORND
52ý1,0,*0$*
- Nastavljanje varka (varilna napetost)
TIG:
1LRPRJRþHQR
MMA:
1LRPRJRþHQR
=DVORQþHN/&'
þHJDSULWLVQHWHL]ELUDPHGHOHNWURGQLPGUåDORP776322/*81
6YHWOHþDGLRGD]DVLJQDOL]DFLMRQDVWDYOMHQHJDHOHNWURGQHJDGUåDOD776322/
GUN