C0041 Friction Coefficient Tester

Le yimitha ye-coefficient ye-friction esebenza kakhulu, enokuthi inqume ngokulula i-coefficients eguquguqukayo kunye ne-static friction yezinto ezahlukeneyo, ezifana neefilimu, iiplastiki, iphepha, njl.

I-coefficient of friction yenye yezinto ezisisiseko zezinto ezahlukeneyo.
Xa kukho intshukumo ehambelanayo phakathi kwezinto ezimbini ezidibanayo
Okanye ukuthambekela kwentshukumo ehambelanayo, umphezulu woqhagamshelwano uvelisa
Amandla omatshini athintela intshukumo ehambelanayo kukukhuhlane
amandla. Iimpawu zokukhuhlana kwezinto ezithile zinokugqitywa zizinto eziphathekayo
Ukubonakalisa i-coefficient ye-friction eguqukayo kunye ne-static. Ukungqubana okungatshintshiyo kubini
Ukumelana okuphezulu kwendawo yoqhagamshelwano ekuqaleni kwentshukumo ehambelanayo,
Umlinganiselo wayo kumandla aqhelekileyo yi-coefficient of friction static; amandla okukhuhlana okuguquguqukayo kukuxhathisa xa imiphezulu emibini edibanayo ishukuma ngokunxulumene nesantya esithile, kwaye umlinganiselo womlinganiselo wayo kumandla aqhelekileyo ngumlinganiso wokukhuhlana okuguquguqukayo. I-friction coefficient yeyeqela lezibini zokukhuhlana. Akunantsingiselo ukuthetha ngokulula i-coefficient yokukhuhlana kwempahla ethile. Ngexesha elifanayo, kuyimfuneko ukucacisa uhlobo lwezinto eziqulunqa i-friction pair kunye nokucacisa iimeko zokuvavanya (ubushushu be-ambient kunye nomswakama, umthwalo, isantya, njl.) Kunye ne-sliding material.

Indlela yokufumanisa i-friction coefficient ifana ngokufanayo: sebenzisa ipleyiti yokuvavanya (ebekwe kwitafile yokusebenza ethe tye), lungisa isampuli enye kwi-plate plate kunye neglue emacaleni amabini okanye ezinye iindlela, kwaye ulungise enye isampuli emva kokusikwa ngokufanelekileyo. Kwisilayidi esizinikezeleyo, beka isilayidi embindini wesampulu yokuqala kwibhodi yovavanyo ngokwemiyalelo ethile yokusebenza, kwaye wenze isalathiso sovavanyo lweesampulu ezimbini zihambelane nesalathiso sokutyibilika kwaye inkqubo yokulinganisa amandla ayigxininisi nje. Ngokuqhelekileyo yamkela le ndlela ilandelayo yokwakheka kwesakhiwo.

La manqaku alandelayo kufuneka acaciswe kuvavanyo lwe-friction coefficient test:
Okokuqala, imigangatho yendlela yokuvavanya i-coefficient ye-friction coefficient isekelwe kwi-ASTM D1894 kunye ne-ISO 8295 (i-GB 10006 ilingana ne-ISO 8295). Phakathi kwabo, inkqubo yokuvelisa ibhodi yokuvavanya (ekwabizwa ngokuba yibhentshi yokuvavanya) ifuna kakhulu, kungekhona kuphela i-tabletop kufuneka iqinisekiswe Inqanaba kunye nokugudiswa kwemveliso kufuneka ukuba kwenziwe ngezinto ezingezona magnetic. Imigangatho eyahlukeneyo ineemfuno ezahlukeneyo zeemeko zovavanyo. Umzekelo, ekukhethweni kwesantya sovavanyo, i-ASTM D1894 idinga i-150±30mm/min, kodwa i-ISO 8295 (GB 10006 ilingana ne-ISO 8295) ifuna i-100mm/min. Izantya ezahlukeneyo zovavanyo ziya kuchaphazela kakhulu iziphumo zovavanyo.
Okwesibini, uvavanyo lokufudumala lunokuphunyezwa. Kufuneka kuqatshelwe ukuba xa uvavanyo lokufudumala lwenziwa, ukushisa kwe-slider kufuneka kuqinisekiswe ukuba kubushushu begumbi, kwaye ibhodi yokuvavanya kuphela kufuneka ifudumale. Oku kuchazwe ngokucacileyo kumgangatho we-ASTM D1894.
Okwesithathu, isakhiwo esifanayo sokuvavanya sinokusetyenziselwa ukufumanisa i-coefficient ye-friction yesinyithi kunye namaphepha, kodwa kwizinto ezahlukeneyo zokuvavanya, ubunzima, ukubetha, isantya kunye nezinye iiparitha zesilayidi ziyahluka.
Okwesine, xa usebenzisa le ndlela, kufuneka ubeke ingqalelo kwimpembelelo ye-inertia yezinto ezihambayo kuvavanyo.
Okwesihlanu, ngokuqhelekileyo, i-coefficient ye-friction yezinto ingaphantsi kwe-1, kodwa amanye amaxwebhu akhankanya imeko apho i-coefficient ye-friction inkulu kuno-1, umzekelo, i-coefficient ye-friction phakathi kwe-rubber kunye nesinyithi iphakathi kwe-1 kunye ne-4.

Imiba efuna ingqwalasela kuvavanyo lwe-friction coefficient:
Njengoko iqondo lokushisa lisanda, i-coefficient ye-friction yezinye iifilimu ziya kubonisa ukunyuka okunyukayo. Kwelinye icala, oku kuchongwa ziimpawu zezinto zepolymer ngokwayo, kwaye kwelinye icala, inxulumene ne-lubricant esetyenziswa kwimveliso yefilimu (i-lubricant iphezulu kakhulu Isenokuba kufutshane nendawo yayo yokunyibilika kwaye ibe yincangathi. ). Emva kokunyuka kweqondo lokushisa, uluhlu oluguquguqukayo lwentambo yokulinganisa amandla luyanda kuze kube yilapho kuvela into ethi "stick-slip".