Nkọwa Ngwaahịa:
A na-eji ngwaahịa a eme ihe n'ime ọkụ ọkụ dị iche iche a na-achịkwa, iji zere kọntaktị nke nsonaazụ ọkụ ọkụ ma ọ bụ iji zere mmebi nke gas ọkụ gaa na ihe na-ekpo ọkụ. A na-etinye usoro a (mgbanwe nke ọkụ ọkụ ọkụ ma ọ bụ ike eletrik) n'ime tube ígwè na-adịghị mma ma hapụ oke okpomọkụ ka ọ na-apụta site na mgbidi tube ahụ. A na-akpọ ngwaọrụ a tube na-ekpo ọkụ.

Ọkpọkọ ihe na-ekpo ọkụ nke electrothermal ga-emechi ihe na-ekpo ọkụ dị na jaket ahụ, mgbe e tinyere ọkụ eletrik ma kpoo ya ọkụ, a na-agbasa okpomọkụ ahụ n'ụzọ na-apụtaghị ìhè na ihe mkpuchi ọkụ na ihe eji arụ ọrụ ka e wee kpoo ya ọkụ site na bushing. A na-eji ọkụ nke ọkpọkọ ihe na-ekpo ọkụ eme ihe n'ime ọkụ na-echebe ihe na-ekpo ọkụ na ihe na-ekpo ọkụ, dị ka ọkụ na-aga n'ihu, ọkụ roller, na ọkụ olulu.

Uru nke tube:
Enwere ike ijide n'aka na aural dị n'ime ọkụ ahụ nwere ike ijikwa ya.
Njikwa okpomọkụ, nchikọta na mmezi dị nnọọ mma ma dịkwa mfe imechi.
A na-eme ka akụkụ nke hearth buru ibu ma na-eme ka mmepụta ya ka mma n'ihi na enweghị ite muffle
Ike ikpo ọkụ siri ike na arụmọrụ dị elu
Ihe e ji ígwè mee ka ọ ghara ịdị mma bụ nchekwa.
Isi ihe nke tube ahụ:
Ihe e ji ígwè electrothermal alloy nke tube kpo oku na-etinye kwesịrị ịdị oke iguzogide. Pasentị mgbanwe nke galvanothermy dị elu. Ebe ọ bụ na etinyere tube kpo oku n'ime bushing, usoro nnyefe okpomọkụ dị iche na nke ihe kpo oku mepere emepe. Ihe mkpuchi okpomọkụ ya buru ibu. A ghaghị ịchịkwa okpomọkụ nke ihe ahụ mgbe okpomọkụ na-arị elu, iji zere njem okpomọkụ nke ihe ahụ.
Mgbe e mechiri ma kpoo ọkpọkọ ihe na-ekpo ọkụ, okpomọkụ elu nke ihe na-ekpo ọkụ ga-adị elu karịa okpomọkụ nke ọkụ site na 100 C ~ 150 C. Ya mere, ọ dị mkpa ka a nyochaa okpomọkụ nke ọkụ na ikuku nke okpomọkụ nke ọkụ. Họrọ ihe na-ekpo ọkụ kwesịrị ekwesị.
Ọkpọkọ ọkụ nke ụlọ ọrụ gongtao mepụtara na-ejikarị Cr20Ni80, Cr25A15, Cr21A16Nb, Cr27A17Mo2 ect.