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研制新型除泥器
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1

ABSTRACTS

XinShaoje.DesignofbeamPump?ngunltfordualboreprodjetion.C
CM,1993,21

(10):1B4,8

Theauthordeseribesthedesignfeaturesandworkingprineipleofthemlargeswingn

beampumpingunitfordualboreproduetion.Afteranalyzingtheforeeofloadontheeompo-

nentsandthetorqueonthepolishedrod,theauthoreonoludesthattèforeeofloadonthe

mainstrueturalmembersoftheaboveBmentionedunitaresmallerthanthatoftheeonven-

tionalunit,andeounterbalaneetorque15unneeessarywhenit15usedfortwinwellofequiva-

lentstatieloads.Theauthoralsopresentssomeeonsiderationsinthedesignofrheunit.

LeIT°j=n,WangWe?shan.Dev.loPmentofModelNCN50X20meroclone.§
Cé,1993,

21(10):5B8

ModelNCN50X20mieroeloneeomprisestwentyA50mmhydroelones,aeeomPanied

withinletmanifoldandoutletmanifoldandeharaeteri:edbynewdesignfeatureandnewma-

terial.Testsshowthat,underainletpressureof0.4MPa,th.mieroeloneeanelearaway

solidoofover7ómdiarneterwithatotaltreatingeapaeityofzogm3/h.Iteanmeettherequire-

mentsofdrillfluidsolideontrolandoilfieldsewagetreatment.

w.ngTongrul.Erfeetoftheteehnlealparameter.ofhlgh,rrequenmy-.duct
?onheatlng

0.+pbcb.nd gbg,,qualmty.C
C?,1993,21(10):9B15

Theauthoranalyzesthefaetor,effeetingthehoatingtemperaturebyhéghB!r.qu§neyin-

duetionatingonapipeBbendingmaehine,expoundstherelationohipbetw?endriveforee

anddrive,peod,eoolingmodeandeoolingopeed,anddriveforeeandpi
size,andpresents

thelimitingoperatingeondition,ofthepipeBbendingmaehineendt~emeasuresforensuring

piPeBbending,bquality.

Ch.nX?angx?.WelddefeetsofdrillpOPefr?et?onweldlng.C
C?,1993,21(10):1mB21

Therasonsforthelowimpaettoughnessofthefrietioowoldedjointofdri!1pipe15that

themetallurgiealmiorostrueturoofthejointheatBtreotedaftorwolding15notidealandthere

aregrey,PotsandFeScMnSinetu,ionointheweldzone.ósedonteoto.theauthormakes

aninvestigationintotheshape,formationandharmoftheaboveBmentioneddefeetsandthe

Proeautionsegainstthem.

IluangDongsheng,ZhaoXuesheng,SongMengyu.Screentestsforobtaln?ngsupert19~


Hreng§hBuok.rrods.C
C
H,1993,21(10):22B27,36

AnelperimestalinvestigatYonintotheteehnologiealP;oeeosesfor20CrMosuPerbigh-

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