Econo-Wrap EW-450S - Machine Specifications & Description

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GeneralSpecificaons&DescriponofMachine
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Themainframe(1)ofthewrapperisaachedtothethree‐
pointsuspensionsystemofthetractor.Thelowerframe(2)is
fixedtothemainframeusingtwobolts(8)securedwithresili‐
entretainingpins.Arota
ngframe(3)withrollers(9),upon
whichbalesareloaded,ismountedonthelowerframe.Abar‐
rier(12)andafilmdispenserareinstalledonthevercalbeam
(11)ontherightsideofthemainframe.Bothvercalbeams
(11)areconnectedatthe
topwithaU‐profile(13).Thewrap‐
perispoweredfromthehydraulicinstallaonofthetractor
withahydraulicmotor(5)throughaspecialvalve(14),which
ensuresasmoothstart‐upandstoppingoftherotangframe.
Thepowerfromthehydraulicmotoris
transmiedontothe
chainwheeloftherotangframewitha5/8”chain(15).Inthis
way,aerthedriveisturnedon,therotangframeofthe
wrapper(togetherwiththebalebeingwrapped)r otates
aroundthevercalaxis.Intherotangframe(3),
thereisan
openbevelgearbox(10).
Fig.7Diagramoftheself-loadingbalewrapper
1‐mainframe;2‐lowerframe;3‐rotangframe;4‐filmdispenser;5‐
hydraulicsystem;6‐resistancewheels;7‐wrappingcounter;8‐pin;9‐
roller;10‐bevelgearbox;11‐vercalbeam;12‐barrier;13‐con‐
necngU‐profile;
14‐specialvalve;15‐mainchain;16‐rubberrollers;
17‐rolloffilm;18‐retainingpin;19‐line;20‐securingchain;21‐film
cuer;22‐countersensor
Thesubsequentla yersoffilmarewrappedaroundthe
baleasaresultoftheaforemenonedmoons.The
filmdispenser(4)consistsofaframeandasupport
bracketwithrubberrollers(16)coupledwitheach
otherbymeansofaspurgear.A
rollofwrappingfilm
(17)isinstalledontheboltinthe
dispenserframeinaccordancewiththediagram
(seeFig.11).Theappropriatelyselectedposionbe‐
tweentherubberrollersandcloseadhesionofthefilm
(17)totherollers(16)ensuresstretchingandgoodand
accurateadhesiontothesubsequentfilmlayers.
The
degreeoffilmlengtheningcanbeadjustedbyturning
thefilmrollpressurenut(see
Fig.11,item3).Thelowerfr ame(2)withtherotang
frame(3)issecuredagainstlngbythelockingpin
(18),whichissituatedonthemainframe(1).When
the
lockingpin(18)ismovedforwardbytheleversystem
aerpullingtheline(19)fromthetractorcabresultsin
unlockingthelowerframe(2),togetherwiththero‐
tangframe(3).Aerliingthewrap

Acuer(21)withrollerknivesfor
filmcungisfixedto
therotangframe(3)bytherollerdrives(9).Thefilm,
whichwaspulledoutoftheinsertedbale,willbeintro‐
ducedbetweenthecuerflatbars(21)ontotheroller
knivesandcutoff.Rubberresistancewheels
(6)
areplacedontransversebarsoftherotang
frame(3),whichprotectthebaleagainstslidingof
theroller,whileitisbeingwrapped.Whiletrans‐
porngthewrapperonpublicroads,the
transportcovermustbeplaced,insteadofoneofthe
retainingwheelsand thetriangularsign
andthewarn‐
ingsignshouldbeplacedonthebracketsthatare
placedonit.Thebalewrapperisequippedwith
anelectronicwrappingcounter(7).Thecountersensor
(22)isinstalledonthesupportbracketopeningonthe
rightsideofthemainframe(1),whilethewrapping
counter
shouldbeplacedinavisibleplaceinthetractor
cabandthecableshouldbeconnectedtothesensor
(22).
1
214
15 8
5
11
17
12
13
19
18
4
9
21
16
16
12
17
3
22
10
8
7
6
2
22
20