ODHGOS CRHSEWS FAKOU
SHMANTIKOV : PRIN QEV S ETE SE LEITOURGIV A TH
MHCANHV , DIABAV S TE TO PAROV N EGCEIRIV D IO KAI
DIATHRHV S TE TO GIA OV L H TH DIAV R KEIA ZV W HV " TH"
MHCANHV " , SE TOV P O GNWSTOV
MENOU". AUTHV H MHCANHV PREV P EI NA CRHSIMO-
POIEIV T AI APOKLEISTIKAV GIA ENEV R GEIE" SUGKOV L -
LHSH".
1 PROFULAV X EI" ASFALEIV A "
H sugkov l lhsh mporeiv na apotelev s ei aitiv a kinduv n ou gia
sa" kai gia triv t ou". Eiv n ai shmantikov gia autov na gnw-
riv z ete ti" profulav x ei" asfaleiv a " pou perigrav f ontai
sto egceiriv d io crhv s h" th" gennhv t ria".
2 GENIKHV PERIGRAFHV
2.1 PRODIAGRAFEV "
H tsimpiv d a PUSH-PULL scediav s thke gia na eiv n ai pio
euv k olh h sugkov l lhsh surmav t wn alouminiv o u idiaiv t era
leptwv n , allav mporeiv t e na sugkollhv s ete kai suv r mata
sidhv r ou, anoxeiv d wtou cav l uba kai calkouv / p uritiv o u.
H tsimpiv d a promhqeuv e tai me spirav l apov tev f lon pou,
lov g w ov t i kulav poluv euv k ola, eiv n ai idiaiv t era endedeigmev -
no gia thn ev l xh surmav t wn alouminiv o u. To tev f lon ev c ei
parav g onta tribhv " poluv camhlov allav den antev c ei gia
megav l o cronikov diav s thma sth fqorav . Sunistav t ai gia
autov , an qev l ete na sugkollhv s ete gia megav l a cronikav
diasthv m ata suv r mata sidhv r ou hv anoxeiv d wtou cav l uba, na
antikatsthv s ete to spirav l apov tev f lon me ekeiv n o apov
mev t allo.
Gia na egkatasthv s ete to spirav l apov tev f lon, prev p ei na
to kov y ete sto swstov mev g eqo" kai gia autov prev p ei:
• Na aplwv s ete thn tsimpiv d a PUSH-PULL isiwv n onta"
thn ov s o to dunatov perissov t ero.
• Na xebidwv s ete to paximav d i AA, na afairev s ete to
spirav l apov tev f lon kai na topoqethv s ete ekeiv n o apov v mev -
tallo.
• To spirav l eiv n ai makruv t ero apov thn tsimpiv d a, proexev -
cei katav X mm (blev p e eik. 1).
• Metrhv s te me akriv b eia to proexev c on tmhv m a (blev p e eik.
1).
• Afairev s te twv r a to spirav l , kov y te to telikov mev r o"
anav l oga me to mev g eqo" pou kaqoriv s ate prin (blev p e eik.
2). To kov y imo prev p ei na ekteleiv t ai me poluv kofterov
ergaleiv o wv s te na mhn dhmiourghqouv n atev l eie" pou na
frav z oun to pev r asma tou suv r mato" (blev p e eik. 3).
• Eisav g ete to spirav l ev t si proetoimasmev n o.
• Bidwv s te pav l i to paximav d i kleisiv m ato" AA.
32
PULL
PUSH-
STOU" ENDIAFEROV -
Fig. 1
Fig. 2
2.2. TECNIKAV STOICEIV A
Suv r mata pou crhsimopoiouv n tai:
Aloumiv n io
Siv d hro"
Anoxeiv d wto" cav l uba"
Calkov " / P uriv t io 3%
H tacuv t hta procwrhv m ato" suv r mato" exj a rtav t ai apov th
gennhv t ria ov p ou sundev e tai h tsimpiv d a.
Anwv t ato reuv m a:
Apov d osh kuv k lou uphresiv a ":
3 EGKATAV S TASH
3.1 QEV S H SE LEITOURGIV A
Afairev s te to metallikov kalamav k i A topoqethmev n o mev s a
sthn kentrikhv suv n desh th" gennhv t ria".
Eisav g ete kai mplokav r ete thn kentrikhv suv n desh B th"
tsimpiv d a" PUSH-PULL, bidwv n onta" thn sthn kentrikhv
suv n desh th" gennhv t ria".
Sundev s te to kalwv d io C pou bgaiv n ei apov thn tsimpiv d a
PUSH-PULL
sto suv n desmo AC topoqethmev n o ston
mprostinov piv n aka tou sugkollhthv .
3.1.1
Proetoimasiv a
sugkollhthv .
Topoqethv s te to phniv o tou suv r mato" D
v r igma, prosev c onta" wv s te na sumpiv m ptoun h truv p a tou
iv d iou me ton av x ona F tou sthriv g mato" E. Afouv topo-
qethv s ete to phniv o , to suv r ma prev p ei na eiv n ai euqu-
grammismev n o me thn truv p a eisov d ou tou odhgouv suv r ma-
to" K.
Fig. 3
Ø 0,6/0,8/0,9/1mm
Ø 0,6/0,8/0,9/1mm
Ø 0,8/0,9/1mm
Ø 0,8/0,9mm
160A (200A max.)
40%
tou
trofodov t h
suv r mato"
pav n w sto sth-
tou