Ama-Ultrasonicators we-ASTM D5621 Sonic Shear Stability of Hydraulic Fluids

Indlela yokuhlola ejwayelekile ye-ASTM D5621 ichaza ukuhlolwa kwe-sonic shear ukuzinza koketshezi lwe-hydraulic kanye nama-viscosities abo ku-40 ° C no-100 ° C, ngokulandelana. Ukuze uvivinye futhi unqume ukuzinza kwe-viscosity oketshezi lwe-hydraulic ngaphansi kwe-shear, indlela yokuhlola ethembekile iyadingeka. I-ASTM D5621 yiprothokholi emisiwe yokuhlolwa kokuqina kweshear oketshezi olubacindezela besebenzisa amabutho e-shear-sonic.

Ukuhlolwa kwe-Ultrasonic Shear Stability Testing of Hydraulic Fluids using ASTM D5621

I-ASTM D5621 yiprothokholi emile yokunquma ukulahleka kwe-viscosity oketshezi olubacindezela ngaphansi kwe-sonic shear. Ngakho-ke, amandla okushefa we-ultra-sonic asetshenziswa kumasampula we-hydraulic fluid ukuze kuhlolwe ukuzinza kweshear. Ilungele i-polymer equkethe uwoyela wokubacindezela kanye namafutha enjini.
Ultra-Sonic shear device UP400St (24kHz, 400W) for viscosity loss and viscosity stability testing in accordance to ASTM D5621.Inhloso: Uketshezi lwe-Hydraulic (izithambisi ezithile), uwoyela wezinjini, uketshezi lokuhambisa izimoto, uketshezi logandaganda nolunye uketshezi lokuhambisa amandla kutholakala emandleni okugunda ngamazinga ahlukahlukene ngesikhathi sokusebenza okujwayelekile, okungaholela ekushintsheni kwe-viscosity nokuncipha okulandelayo kokusebenza kahle. Ukuze kuthuthukiswe inkomba ye-viscosity ye-hydraulic fluids, ama-polymers (isb. Ama-polym polymer) ayengezwa kulolo ketshezi olubacindezela. Isivivinyo se-ASTM D5621 sihlola ushintsho lwe-viscosity kuketshezi oluqukethe i-polymer evezwe emandleni e-shear akhiqizwa nge-ultrasound, okuthiwa yi-sonic shear vibrations.
Isicelo: Kuyinjongo ye-ASTM D5621 protocol ejwayelekile ukunquma i-viscosity yesampula ngaphansi kwengcindezi ye-shear. Lokhu kuhlolwa kuhambisana noketshezi lwe-hydraulic ngoba uketshezi lwe-hydraulic njengoba uketshezi lokuhambisa amandla kutholakala ekuguleni. Ukuziphatha kwabo ngaphansi kwezimo ezithile zokugunda kumele kunqume ukuhleleka ukukhetha ikhwalithi efanelekile ye-hydraulic fluid ukuze isetshenziswe emishinini nasezinjini ezithile.
Inqubo: I-viscosity yokuqala ye-hydraulic fluid inqunywa. Isampula bese sibekwa ku-beaker yokuhlola, sithanjiswe kuthempelesha yokuhlolwa bese siphathwa nge-vibrator ye-ultra-sonic (isb., Idivayisi ye-sonic shear) yesikhathi sokuhlolwa esichaziwe. Ngemuva kwalokho, kukalwa i-viscosity yesampula esetshenzisiwe. Umbiko ubala i-viscosity yokuqala, i-viscosity yokugcina namaphesenti e-viscosity ashintsha kuma-centistokes.

Isicelo solwazi




Qaphela kwethu Inqubomgomo yobumfihlo.


Ultrasonic shear device for ASTM D5621 Sonic Shear Stability of Hydraulic Fluids

Uhlelo lwe-Ultra-Sonic Shear I-UP400St (24kHz, 400W) kwe-ASTM D5621 Sonic Shear Stability of Hydraulic Fluids

Izinsiza ze-ASTM D5621 Indlela Yokuhlola Ejwayelekile yeSonic Shear Stability of Hydraulic Fluids

Ukuze kwenziwe inqubo echazwe futhi yaqiniswa kuphrothokholi ye-ASTM D5621, imishini ethile iyadingeka.

  • I-Ultra-Sonicator: uhlobo lwe-probe-uhlobo lwe-ultra-sonic shear elinemvamisa engaguquki nophondo lwe-ultra-sonic (olwaziwa nangokuthi iphenyo noma i-sonotrode). Idivayisi ejwayelekile ye-ultrasonic esetshenziselwa ukuhlolwa kwe-ASTM D2603 yi- I-UP400St (24kHz, 400W) nge-probe ye-ultrasonic (uphondo / i-sonotrode) i-S24d22.
  • Ukuze kwenziwe lula ukusebenza okufanayo nemiphumela ephindaphindwayo, kunconywa imishini elandelayo yokusiza:

  • Ukugeza kwamanzi / kweqhwa: Ukugeza kwamanzi okupholisa noma ukugeza kweqhwa okwaziyo ukugcina izinga lokushisa kwejackethi lika-0 ° C.
  • ukushisa kwenzwa njenge-PT100 (efakwe namadivayisi we-ultrasonic UP400ST)
  • I-Griffin 50mL beaker, Yenziwe ngengilazi ye-borosilicate.
  • Ukuvaleka komsindo (kuyakhetheka): Ibhokisi lokuvikela umsindo (isb., Ibhokisi lokuvikela umsindo i-SPB-L le-UP400St) ukufaka uphondo lwe-ultra-sonic ukunciphisa izinga lomsindo elikhiqizwa yidivayisi ye-sonic shear.
  • I-Viscometer: Noma iyiphi i-viscometer nokugeza okuhlangabezana nezidingo ze-Test Method D445 kwanele.

Ukuhlolwa kweSonic Shear ngokuvumelana ne-ASTM D6080

“Uhlelo lokuhlukaniswa kwe-viscosity lwamanzi we-hydraulic luchazwa ku-ASTM D6080. Uhlelo lokuhlukaniswa kwe-D6080 lusebenzisa i-ASTM D5621 Standard Test Method ye-Sonic Shear Stability of Hydraulic Fluid, ebizwa kamuva njenge-sonic shear test, njengesisekelo sokuchaza ibanga le-viscosity lamanzi amaningi we-hydraulic fluid (ASTM D5621). Enkambisweni ye-D5621, uwoyela oqukethe i-polymer ukhanyiswa nge-sonic oscillator imizuzu engama-40. Ukuwohloka kwe-polymer ngendlela ye-sonic kungumphumela wokwakheka kwamandla okunamandla nokuwa ngaphakathi kuketshezi, okungahle kwenzeke ngaphansi kwezimo ze-fluid cavitation. Le ndlela yokunquma ukulahleka kwe-viscosity unomphela itholakele ukuthi ikhiqize izinguquko ze-viscosity ezifana nalezo ezibonwe kuzinhlelo zokusebenza ze-vane, gear, ne-piston pump. Ukuxhumana nokusebenza kahle kwevolumu yamaphampu nakho kubikiwe. Uketshezi oluphezulu lwe-VI olukhombise ukulahleka okuncane kwe-viscosity unomphela esivivinyweni se-sonic shear kunikeze ukuthuthuka okusebenzayo kwepompo yevolumu.” (UMichael et al., 2018).
UMichael et al. (2018) futhi kutholakale ukuthi kulolu phenyo oluthile, ukuhlolwa kwe-sonic shear ngendlela ye-ASTM D5621 kuhlanganiswe kahle kakhulu ekugcineni kwezilinganiso zokuhlolwa kwe-viscosity.

Kungani iHielscher Ultra-Sonicators ye-Shear Stability Tests ngokuya nge-ASTM D5621?

Digital display of the ultra-sonic shear device UP400St (fixed frequency of 24kHz) for reliable operationI-Hielscher Ultrasonics inikezela ngamadivayisi we-shear we-ultrasonic asebenza kakhulu wokuhlolwa kokuqina kwe-shear ngokuya nge-ASTM D5621 ne-ASTM D2603. Ngemvamisa ehleliwe, amandla we-shear we-ultrasonic onokwethenjelwa, amadivayisi we-Hielscher ultra-sonic shear alungele ukuhlolwa kokuqina kweshear oketshezi lwe-hydraulic. Ama-ultrasonicators ama-Hielscher afakwe isoftware ehlakaniphile nezilungiselelo, ezivumela ukuhlolwa okuyinkimbinkimbi ngokwamazinga we-ASTM. Imenyu ifinyeleleka kalula nge-digital touch display noma nge-remote control yesiphequluli. Ngenkathi imvamisa ilungisiwe, ebalulekile kwimiphumela enokwethenjelwa ye-sonication namazinga we-ASTM, i-amplitude ingabekwa ngqo kumthelela we-stroke oyifunayo.
Ukulinganiswa kwama-Hielscher ultrasonicators kulula futhi kungenziwa ngokushesha futhi kube lula ngemenyu eyinkimbinkimbi. Onke ama-ultrasonicators edijithali afakwe inzwa yokushisa engaxhuma, egcina irekhodi lokushisa kwesampula iphinde ilidlulisele emuva ku-generator ye-ultrasonic, lapho yonke imininingwane ebalulekile ye-sonication efana ne-amplitude, isikhathi sonication nobude besikhathi, izinga lokushisa, nengcindezi (lapho inzwa yengcindezi ifakiwe) arekhodwa ngokuzenzakalela ekhadini le-SD elakhelwe ngaphakathi. Lezi zici ezihlakaniphile zivumela ukuhlolwa kwe-ultra-sonic shear ethembekile futhi ekhiqizwayo futhi yenza ukusebenza kube lula futhi kuphephe.
Amadivayisi we-Hielscher Ultrasonics wokuhlolwa kokuqina kwe-shear ahambisana nawo womabili, amazinga we-ASTM D-5621 ne-ASTM D-2603.

Ama-Hielscher Ultrasonicators esici se-ASTM D5621 Viscosity Shear Test:

  • ubukhulu obungaguquki
  • isoftware ehlakaniphile
  • idijithali, isikrini sokuthinta esinemibala
  • izilungiselelo ezihlakaniphile
  • imenyu enembile
  • ukuqoshwa kwedatha okuzenzakalelayo ekhadini le-SD
  • inzwa yokushisa ehlanganisiwe
  • ukulawula okuqondile
  • ukulinganisa kalula
  • imiphumela ye-reproducible

I-UP400St inemvamisa engaguquki engu-24kHz ngakho-ke ihambisana ne-ASTM D5621. Ukusetha okujwayelekile kokuhlolwa kwe-ASTM D5621 uhlelo lwe-ultra-sonic shear UP400ST nge-probe (uphondo / sonotrode) S24d22.

Xhumana nathi! / Cela Us!

Cela ulwazi oluthe xaxa

Sicela usebenzise ifomu elingezansi ukucela imininingwane eyengeziwe mayelana nezinhlelo ze-ultra-sonic shear, izinhlelo ze-ASTM D5621 namanani. Sizojabula ukuxoxa ngezidingo zakho zokuhlola ze-ASTM nawe futhi sikunikeze ngedivayisi ye-ultra-sonic shear ehlangabezana nezidingo zakho!









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Izicelo ze-ASTM D5621

  • Imboni kaPetro
  • Isayensi yezinto ezibonakalayo
  • Ikhwalithi yokulawula
  • Ucwaningo & Ukuthuthukiswa

Various probe or horn sizes for the ultra-sonic shear system UP400St, which is conform to ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids

Izinhlobo ezahlukahlukene ze-sonotrode (iphenya / izimpondo) zedivayisi ye-sonic shear UP400St, engasetshenziselwa i-ASTM D5621 Standard Test Method yeSonic Shear Stability of Hydraulic Fluids

Izincwadi / Izikhombo



Amaqiniso Okufanele Ukwazi

Izakhiwo ze-viscosity ze-Hydraulic Fluids and Lubricants

Izici ezibonakalayo zezinto zokugcoba eziwuketshezi nezingaguquguquki zichazwa ngedatha, enqunywa kakhulu ngamaphrothokholi wokuhlola afanayo.
Kunemingcele emibili yokulawula okokugcoba:

  • Inani lokulawula: Ngokuhlolwa kwamagrikhi amasha, izinqubo zokukhiqiza nezokudiliva zingalawulwa. Ukuqapha okuqhubekayo kwamavolumu okugcwalisa uwoyela ngesikhathi sokusebenza (ukuhlola oyili abasetshenzisiwe) kuvumela isenzo esisheshayo (ushintsho lwamafutha) ngaphambi kokonakala kukawoyela kulimaza umshini (ukulahla imikhawulo).
  • Inani lokufaneleka: Amanani wokufaneleka alinganisa izinto zokuthambisa ukuze zisetshenziswe futhi zihambisane nemishini ethile.

Incazelo yamaLubricants nama-Hydraulic Oils

Ama-lubricants angamanzi, angasetshenziswa – ekuthembekeni kobunjalo bayo – ukuqeda ukushisa nokugqoka imfucumfucu, ukufaka izithasiselo koxhumana naye, ukudlulisa amandla, ukuvikela, kanye / noma ukusayina.
Amafutha we-Hydraulic noma ama-hydraulic fluids awuhlobo olukhulu lwamafutha noma izinto zokuthambisa (amalimu), asetshenziswa embonini njengalokho okubizwa ngamafutha ezimboni.
Amafutha we-Hydraulic uhlobo oluthile lokugcoba. Lokhu kusho ukuthi uwoyela wokubacindezela awuyona into yokuthambisa kuphela, uwoyela wokubacindezela ubuye ube yindlela amandla adluliswa ngayo kuwo wonke ama-hydraulic system. Lokhu kusho ukuthi, i-lubricant futhi ngasikhathi sinye indlela yokudlulisa amandla. Ukuze kube ugcobekile osebenzayo futhi onokwethenjelwa, uwoyela wokubacindezela kufanele akhombise izakhiwo ezahlukahlukene, eziqhathanisekayo noma ezifanayo nezinye izinto zokuthambisa. Lezi zakhiwo ezibonakalayo zifaka: ukumelana amagwebu kanye ne-degassing (ukukhishwa komoya) izakhiwo, ukuqina ngokumelene nokushiswa kwe-thermal, oxidative ne-hydrolytic, ukusebenza kwe-anti-wear, i-filterability, ikhono le-de-emulsification, ukugqwala nokuvimbela ukugqwala, kanye nezakhiwo ezithile ze-viscosity maqondana nomthelela wayo ngobukhulu befilimu.
Amafutha we-Hydraulic noma ama-hydraulic fluids ahlukaniswa abe:

  • Uketshezi lwe-Hydraulic olususelwa kuwoyela wamaminerali
  • Uketshezi lokucindezela okwenziwa
  • Uketshezi lwamanzi olubamba umlilo

Incazelo yama-CGS Unit Centistokes

I-viscosity ye-Kinematic ivame ukulinganiswa kuma-CGS unit centistokes (cSt), alingana neziteki ezi-0.01 (St). Izitaki (uphawu: St) nama-centiStokes (uphawu: cSt) amayunithi we-CGS. I-centistokes eyodwa (cSt) ilingana no-0.01 stokes (St). I-centiStoke eyodwa ilingana namasentimitha ayisikwele ngomzuzwana (cm2 / s–1). Isiteki esisodwa silingana ne-viscosity in poise ehlukaniswe ngobuningi betshezi ngamagremu nge-cubic centimeter (g / cm–3).


High performance ultrasonics! Hielscher's product range covers the full spectrum from the compact lab ultrasonicator over bench-top units to full-industrial ultrasonic systems.

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