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.