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                連達品牌軟管總成-扣壓技術(shù)說(shuō)明(中英文版)

                連達,連達軟管,技術(shù)說(shuō)明,液壓軟管,膠管尺寸,液壓膠管

                連達軟管扣壓技術(shù)說(shuō)明1.jpg


                1、 膠管尺寸


                膠管內徑要適當。管徑過(guò)小會(huì )加大管路內介質(zhì)的流速,是系統發(fā)熱,降低效率,而且會(huì )產(chǎn)生過(guò)大的壓力降,影響整 個(gè)系統的性能。若膠管采用管夾固定或膠管過(guò)鋼板等間隔物時(shí),也要注意膠管的外經(jīng)尺寸。


                2、 工作壓力


                資料中有關(guān)膠管的動(dòng)態(tài)工作壓力是指膠管的連續工作允許的最高壓力。按照有關(guān)國際標準規定的液壓膠管的安全系數,我們推薦的工作壓力通常為膠管最低爆破壓力值的四分之一。


                3、 沖擊壓力和疲勞壽命


                膠管的選擇是根據液壓系統設計的最高壓力值來(lái)確定的。由于液壓系統的壓力值通常是動(dòng)態(tài)的,有時(shí)會(huì )出現沖擊壓 力,沖擊壓力峰值會(huì )大大高于系統的最高壓值。但系統上一般都有溢流閥,故沖擊壓力不會(huì )嚴重影響膠管的疲勞命,對于沖擊壓力特別頻繁的液壓系統,建議選用耐脈動(dòng)沖擊的膠管產(chǎn)品。


                4、 溫度范圍


                用戶(hù)應該在膠管質(zhì)量規范允許的溫度內使用膠管,如果工作環(huán)境溫度超過(guò)這一范圍,將會(huì )影響到膠管的壽命,其承壓能力也會(huì )大大降低。工作環(huán)境溫度長(cháng)期過(guò)高或過(guò)低的系統,建議采用軟管護套。


                5、 化學(xué)相容性


                若使用特殊的液壓介質(zhì),用戶(hù)應確保所選用的膠管總成其膠管內,外層,接頭以及O 型密封圈與介質(zhì)相容。


                6、 彎曲半徑


                安裝膠管總成時(shí)應注意到膠管的最小彎曲半徑,若彎曲半徑過(guò)小,將降低膠管的承壓能力并影響其使用壽命。


                7、 摩擦


                膠管在使用時(shí)如常與硬物接觸或摩擦,建議在膠管外部加彈簧護套。

                影響膠管總成使用情況的因素很多,只有按照工況正確選用膠管及接頭,才能保證使用膠管的可靠性和經(jīng)濟性      這些因素有:有關(guān)蘇強格高壓總成的其它技術(shù)問(wèn)題,歡迎垂詢(xún)。


                There are many factors which can affect the usage condifion of hose assembly,use the hose assembly and hose fittings in

                acorrect way can ensure its reliability and anonomicaleffciency.these factors are as follows。


                1.Hose Dimension


                The selectlon of hose inside diameter must be correctly made.if the hose inslde diameter is too small,it will                                speed up the medium in the pipe-line,heated the system,lower the efficiency and produce excessive pressure

                drop  which  will  affect  the  whole  system's  capability.if  it  fix  with   hose  clamp  or  cross  the  steel   board,the  outside  diameter  of     hose should be pay more attention.


                2.Working     Pressure


                The dynamic working pressure in this catalog refers to the allowable maximum pressure in condition of continuously    working.According to the safety modulusof hydraulic hose ruled by international standard,werecommend that the working    pressure is one quarter of the minimum blast Pressures.


                3.Impact   Pressure   &Fatigue   Life-span


                After determining the maximum system pressure for a hydraulic system,hoseselection can be made .For the hydaulic    system's pressure always be dynamic,there often appears an impact pressure,the maximum impact pressure is much higher    than the maximum system pressure.To be luckily,there is an over fallvalve in every hydraulic system,so high impact    pressure cannot affect the fatigue life-span seriously.As for hydaulic system whose impact pressure appears very frequently,    we advise you choose the special hydraulic hose which is able to endure the high impact Ptessure.


                4.Temperature    Range


                User must ensure that the temperatueris in an allowabie range of hose,if exceeding this range,the life-span of hose will be    shorten,and the capacity to endure pressure will get down.if the working condition temperature keep too high or too low in a     longtime,we advice you use the hose spring guard.


                5.Chemical Compatibilit


                If use special hydraulic medium,user should ensure the material of hose inner side and cover,the hose fittings and O-ring     can compatible with the special hydraulic mendium.


                6.Bending   Radius


                Pay more attention to its minimum bending radius when install the hose assembly,if the bending radius is smaller than      the minimum one,the capacity of enduring pressure will get down and life-span of hose will be shortened.


                7 . Friction


                We advised you use a spring guard if the hose assembly is always in the condition of touching and making friction with hard    object,Any  technical   question   about   Stronger   Hydraulic   hose   assembly,welcome   to   inquire!


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