Mkpuchi - a pụrụ iche mkpuchi na-enyere aka iji chebe ụmụ mmadụ si mebiri emebi Gịnị, ọjà, na ọtụtụ ihe ọzọ, na-enweghị ndụ na ya nkasi obi bụ nanị omume ka ewere. Tupu ị na-n'ime ụlọ na onye ọ bụla, mmiri, okpomọkụ ma ọ bụ ọkụ eletrik eme ogologo njem, na nkwurịta okwu na-adịkarị ala, ebe ha bụ ndị, na mgbakwunye na nke ibu enịm n'elu, na-ezighị ezi na-enwe mmetụta mmiri. Ya mere, mwepu - bụ isi ọ bụ a na-azara ọnụ, na ike ya na-adabere na anwụ ngwa ngwa dum Ọdịdị.
USB n'ọbọ-ya na umu
The elu cover ọ bụla cable nwere ọtụtụ n'ígwé, nke na-enwe ike inye kacha nchebe. Nke a pụrụ ịbụ a pụrụ iche na-akpa ákwà, ịkwanyere, roba, metal na alloys-ya nile. The cable mkpuchi na nke a na-ebute site ná eletriki mgbaàmà nwere ike nkejikotara a ihuenyo mere nke metal ntupu, foil, polima film onye n'elu nwere ike ntekwasa na a metal alloy. Polyvinyl chloride na ọtụtụ-eji, nke a na-eji dị ka a adụ mkpuchi. Ọ mejupụtara ya mejupụtara nke 50% nke plastic bekee, n'ihi nke na-ere ọkụ na ihe onwunwe ike mbelata. Nke a ihe onwunwe kpuchie ike Gịnị elu voltaji, nakwa dị ka ihe agha. Akwụkwọ insulator eji imewe nke ike USB na na-arụpụtara site unbleached sulphate pulp. Polyethylene a na-eji dị ka-eduzi mkpuchi na nke ga-enye dị iche iche kwa ruo na narị ise kilovolts. Ụfọdụ ụzọ coiled cable nwere magburu onwe n'ibu Njirimara na nchedo nke ugbu a. Ihe bụ inogide, a pụrụ ịdabere na na-arụ ọrụ, na na thermal kwụsie ike karịrị ndị ọzọ nile insulators.
Metal-insulator
The kasị mma nhọrọ ike a akara na-eguzogide ndị mmiri na-ewere metal, ọtụtụ mgbanwe, na okpomọkụ na-eguzogide chere edu ndú na aluminum, ha na-n'ọtụtụ ebe dị ka a na-eduzi ya mkpuchi. Ọkpụrụkpụ nke shei na-adabere na dayameta nke cable, nakwa dị ka ọnọdụ n'okpuru nke ọ ga-eji. Ke imewe nke-edu ndú mkpuchi na-etinyere ika edu ndú-3, ebe dị ọcha metal nke dịkarịa ala 95,95%. The agbaze n'ókè nke 327,4 degrees Celsius, ma na ndị niile na-erite uru nke n'ibu ike nke a na ihe onwunwe bụ ala, na flowability na-ụba, ma ọ bụ a oké njọ drawback maka vetikal cable echichi gụnyere nanị na nke a envelopu. Chemical ọrụ nke ihe onwunwe bụ ala, nke a na-gbakwunyere site a elu iguzogide corrosion. The ihe onwunwe nwere a ala iguzogide vibrations, karịsịa na okwu nke okpomọkụ ịrị elu. Ka iwelie mma kwụsie ike, ke imewe nke antimony dopant na-kwukwara. Aluminum a na-eji na-eme ndị USB nke A-5, alloy ọcha bụ 99,97%. metal njupụta bụ 2700 kilogram kwa cubic mita na a ike ọdụdọ - 39,3-49,1 MPa. Ndị dị otú ahụ a shei bụ 2-2.5 ugboro ike, na-4 ugboro nfe kari ndú. Ọ bụ eguzogide ọgwụ vibration, nakwa nwere echebe Njirimara. Ma, ebe a na galvanic corrosion ọ bụ ejighị n'aka, na cable mmepụta technology bụ ihe oru-kpụ ọkụ n'ọnụ.
Ọ bụghị nanị na shei
Na mgbakwunye na shei, na mkpuchi - ọ bụ na-a ohiri isi, agha na-echebe cover, nke na-echebe megide mmebi ma ọ bụrụ na ọ na-enweghị, ndị na-akanye mejupụtara a akwụkwọ ozi "T". Na mpe mpe akwa ka nke a fibrous ihe onwunwe na bitumen, ọ na-emi odude na shei. E na-adịkwu version fom gụnyere a asọfe nke abụọ plastic ibe, n'ihi na ọ na-enye ndị ọzọ nchebe si corrosion na kpafuo ugbu a. Nke a USB nwere marking-ozi "L", abụọ n'ígwé nke teepu na-ẹkedọhọde "2A". Ọ bụrụ na etinyere na asọfe polyethylene designation ga-ebu a "P", na ọ bụrụ na ịkwanyere - "B". Ọ bụrụ na USB adịghị a ohiri isi, ọ na-akara "B". Ọkpụrụkpụ nke fom àmà site 1.5 na 3.4 millimeters.
Agha chebe USB n'ibu mmebi, na ọ nwere ike mere nke abụọ ígwè ibe nke ọkpụrụkpụ site 0.3 na 0,8 millimeters, ma ndị dị otú agha na-eji na imewe nke ngwaahịa nke ga-akwagide erughị ala. Ọ bụrụ na ahụ erughị ala bụ ugbu a, na cable echebe nchara kpaliri ewepụghị ma ọ bụ gburugburu waya. Ọkpụrụkpụ nke mkpuchi ewepụghị waya bụ site 1.5 na 1.7 millimeters, na okirikiri - si 4 6 millimeters. N'èzí nwere ike ịbụ ndị na-abụghị flammable mejupụtara nke na-họpụtara dị ka "N", extruded plastic echebe sooks na kpọrọ - "Rn", na ịkwanyere sooks na-akpọ "IIIB", na-amalite site na kacha nta ọkpụrụkpụ nke 1.9 3 millimeters.
akpa
Ọ bụghị obere na ọ dị mkpa na par na USB na anwụrụ mkpuchi, nke na-enyere ha a ogologo oge na-arụrụ ha ọrụ. Ejikarị thermal mkpuchi, nke na-eduzi na-echebe site kefriza ma ọ bụ okpomọkụ nnukwu nchekwa. Mkpuchi - a bụ ohere bụghị nanị na-ekpo ọkụ ma gbochie ihe mberede na ihe banyere kefriza, ma zọpụta ego. Nhọrọ insulators nnukwu, dị ka ihe si na nke ha na-mere, ihe niile na-adabere na ebe tube.
iche iche nke insulators
Ịnweta ajị - eluigwe na ala insulator nke na-enye ohere iji chebe site na oyi na-atụ, na-ekpo ọkụ na-nwere uda deadening Njirimara. The ihe onwunwe na-adịghị ọkụ, na-eji maka ya rụpụta basalt. Ajị anụ n'elu foil nwere ike ntekwasa ma ọ bụ galvanized. Ọzọkwa mee polyethylene ma ọ bụ foamed polyethylene, na o nwere ụdị a tube ma ọ bụ mpempe akwụkwọ. The ihe onwunwe bụ ukwuu eguzogide mmiri na-ejigide okpomọkụ, nke a dugara ya zuru ebe nile na-ewu ewu. The anwụrụ ngalaba nwere a na nkà na ụzụ ma kpọmkwem n'obosara.
Olee ihe ọzọ nwere ike gwara mmanụ?
Ọ nwekwara ike-eji sịntetik ụfụfụ roba, nke nwere ike ịbụ na ụdị ma akpa na efere. The ihe onwunwe na-adịghị adiahade na anaghị ọkụ, ya onwe ya kwa, mmiri bụghị egwu. Kwes agba etinyere nwekwara metụtara iche mmiri mmiri, mkpa naanị a obere oyi akwa. Ịwa okpomọkụ mbio mwepu 60 plus 200 degrees. Pipe, kpuchie na agba, ọ bụghị nanị na-echebe, ma na-nwere ihe mara mma anya. Iji itinye ihe na tube, na-achọ ngwa na ọnọde adhesives, staples, nyagide etere na ngwaọrụ ndị ọzọ. Tupu ị ikpuchi ọjà, ọ dị mkpa iji mee ka ịkpachara anya nha. Nweghị, dị ka anyị maara, anaghị eme eme ukwuu, ma a obere ego nke na ọ pụrụ iduga ngwa ngwa eyi.