Нажмите на изображение, чтобы посмотреть в полный размер
Вопросы и ответы
1.Q:WhatkindofcolddrawnpipecouldbecalledasHighPrecisionCold-drawnTubes?
О:a.Ithasverystrictдопускдиапазон. GBH7—H9
b.Goodandfitness (innersurfaceroughness,прямолинейностьcirculardegree) forpurpose.
c.Uniformwall-thicknessthroughtheentiretubebody.
d.HighprecisionpipegetmuchmorebetterMechanicalelongationcompressiveyieldstrengthifcomparedwithitsmothertubes.
2.Q:Doesthehighточностьcolddrawntubes havewidelyprospectofindustryapplication?
A:a.Hydraulicandpneumaticcylindertubes
b.Automobileindustryhighprecisionpipeфитинги
c.Italsocouldbeusedinlongdistancetransportationofpetroleumи др.
d.Structuralpipeforbuildingindustryframework.
e.PillarСтруктураforcoalmineindustry.
Advantagesovertheconventionalchaindrivenbenches.
§Thedrawcarriageispulledatcenterlineofdraw. Onlythehydraулицbenchanddualchainbenchpullsatcenterlineofdraw, whereasthesinglechainpullsoffcenter.
§Allforcesareself содержитwithinthehydraулицbenchstructure. Nospecialfoundationsorreinforcementsarerequired.
§SmoothDraw. Thehydraulicactionisconstantthroughouttheentiredrawcycleandiscompletelyfreeofchainchordaleffect.
§AbsenceofJerkatDrawStart. Thesmoothhydraulicactioneliminateschainsnatchatthecriticalperiodofdraw, whichisatthecommencementofmaterialflow.
§ГладкаяandSteplessRapidAccelerationandDeceleration. ThehydraулицbenchdrawcarriageisdrivenbyahydrauliccylinderwhichispoweredbyanA.C.motordrivenhydraulicpowerunit.
§Drawinterruption. Thedrawcarriagecanbestoppedduringthedrawcycleatanypointalongthebedfortubeinspectionorwhatever.
§MinimumOverdraw. Thecompletionofdrawissensedbylossofpressureandthehydraulicpumpreactsinstantaneously, returningtoneutralorzerooutput.
HigherProductionCapacityofthehydraулицbenchisachieved, comparedtochainbenches, becauseoffasteracceleration, decelerationandcarriagereturnspeednotbyfasterdrawspeed.
§LowNoiseLevel. Allhydraулицbenchesproducelessnoiseduringoperationthanchainbenches.
§Чистота. Chainbenchesrequireheavylubricantonthechainswhich, asitbuildsup, cancauseacleanlinessproblem.