Inzwa isetshenziselwa ukunquma ubukhulu: amandla adonsela phansi akhishwa isampula aguqulwa abe isignali kagesi ngenzwa yokukala. Ngakho-ke, iseli lomthwalo liyingxenye yesikali se-elekthronikhi.

Ubuchwepheshe obusetshenziswa kakhulu busekelwe kubuchwepheshe be-strain gauge: inzwa yesisindo se-analog iqukethe isici sokulinganisa (okuthiwa umzimba we-spring) owenziwe ngensimbi noma i-aluminium, lapho i-strain gauge (i-Wheatstone bridge) ifakwe khona. Isikali ngasinye se-elekthronikhi sineseli elihlanganisiwe lomthwalo ukuqinisekisa ukuthi isisindo singakalwa.

Izinzwa zokukala isisindo se-Strain gauge zisetshenziswa kabanzi, kodwa kunobunye ubuchwepheshe bokukala, obufana nobuchwepheshe besinxephezelo samandla kazibuthe kagesi i-EMFC, okunqunywa kwayo ngobuningi kwenziwa ngokuphelele ngaphandle kokulahlekelwa ukungqubuzana. Ngokuvamile, amaseli omthwalo afakwe emafektri, njengokugcwalisa izitshalo, amathangi okukala, ukunquma inani lokugcwalisa, njll.

Yiziphi izinhlobo zezinzwa ezikhona?

Kunezinhlobo eziningi ezahlukene zamaseli omthwalo, kuye ngezinjongo zawo zokuklama. Ugongolo olugobayo noma amaseli omthwalo we-shearing shearing avame ukusetshenziselwa izikali zepulatifomu nokunye okunjalo. Iseli lomthwalo wengcindezi livame ukufakwa ngaphansi kwesakhiwo (isitsha, silo, njll.), esithwala izinto ezinzima ezivela phezulu futhi ngokuvamile zenzelwe imithwalo ephakeme. Ngakolunye uhlangothi, ngeseli yomthwalo wohlobo lokudonsa, isisindo sixhunywe esitokisini somthwalo. Iseli lokulayisha liyingxenye ebalulekile yesikali senkundla nesikali sepulatifomu.

Inzwa kanjani?

Nakuba impahla ye-elastomer izinzile, futhi inokunwebeka okuncane. Lokhu kusho ukuthi lapho isisindo sibekwe esikalini, amandla azosebenza emzimbeni onwebekayo. Igama elithi elastomer ekuqaleni livela eqinisweni lokuthi le nto ikhubazekile kancane ngenxa yalokhu mphumela, kodwa uma ingekho amandla asetshenzisiwe kuyo, izobuyela esimweni sayo sokuqala, okungukuthi, "i-elasticity". Lokhu ukuguqulwa kwe-elastic kwesici sokulinganisa.