A na-eji polyethylene (PE) eme ihe n'ọtụtụ ebemkpuchi na sheathing nke ike cables na telecommunication cablesn'ihi ike ọrụ ya dị mma, ike siri ike, nkwụsị ọkụ, mkpuchi, na nkwụsi ike nke kemịkal. Agbanyeghị, n'ihi njirimara nhazi nke PE n'onwe ya, nguzogide ya na mgbawa gburugburu ebe obibi adịghị mma. Okwu a na-apụta ìhè karịsịa mgbe ejiri PE mee ihe dị ka n'ọbọ mpụta nke eriri ndị nwere nnukwu akụkụ.
1. Usoro nke PE Sheath Cracking
Ọkpụkpụ PE na-emekarị n'ọnọdụ abụọ:
a. Nchegbu gburugburu ebe obibi mgbawa: Nke a na-ezo aka na ihe omume ebe n'ọbọ na-enweta mgbawa na-agbaji n'elu n'ihi nrụgide jikọtara ọnụ ma ọ bụ ikpughe na mgbasa ozi gburugburu ebe obibi mgbe ịwụnye eriri na arụ ọrụ. Ihe kpatara ya bụ nchekasị dị n'ime n'ọbọ na ikpughe ogologo oge na mmiri mmiri pola. Nnyocha kpụ ọkụ n'ọnụ maka ngbanwe ihe achọpụtala nke ọma ụdị mgbawa a.
b. Nchegbu Mechanical Cracking: Nke a na-eme n'ihi adịghị ike nhazi na eriri ma ọ bụ usoro mkpochapụ n'ọbọ na-ekwesịghị ekwesị, na-eduga na nrụgide nrụgide dị ukwuu na nrụrụ na-akpata mgbawa n'oge ntinye eriri. Ụdị mgbawa a na-apụtakarị n'ọbọ dị n'elu nke nnukwu akụkụ ígwè teepu armored cables.
2. Ihe na-akpata PE Sheath Cracking na Mmezi Mmezi
2.1 Mmetụta nke USBTeepu igweNhazi
N'ime eriri ndị nwere dayameta mpụta buru ibu, oyi akwa a na-ebu agha na-ejikarị eriri igwe nwere okpukpu abụọ mejupụtara. Dabere na dayameta mpụta nke eriri, ọkpụrụkpụ teepu nchara dịgasị iche (0.2mm, 0.5mm, na 0.8mm). Teepu ígwè ndị siri ike karị nwere nkwụsi ike dị elu yana plasticity dara ogbenye, na-ebute ohere dị ukwuu n'etiti elu na ala dị elu. N'oge extrusion, nke a na-ebute nnukwu ọdịiche dị n'ọkpụrụkpụ n'ọbọ n'etiti elu na ala nke elu oyi akwa ahụ. Ebe n'ọbọ dị gịrịgịrị na nsọtụ teepu nchara dị n'èzí na-enwe mmetụta nrụgide kachasị ukwuu yana ebe bụ isi ebe mgbawa ga-eme n'ọdịnihu.
Iji belata mmetụta nke teepu nchara a na-agbakwụnye n'ọbọ nke dị n'elu, a na-ekechi ma ọ bụ na-agbapụta ihe mkpuchi nke otu ọkpụrụkpụ n'etiti teepu ígwè na n'ọbọ PE. Igwe nchekwa a kwesịrị ịdị oke n'otu n'otu, na-enweghị wrinkles ma ọ bụ protrusions. Mgbakwunye nke oyi akwa mkpuchi na-eme ka ire ụtọ dị n'etiti okpukpu abụọ nke teepu ígwè, na-eme ka ọkpụkpụ PE dị n'otu, na, jikọtara ya na nkwekọrịta nke n'ọbọ PE, na-ebelata nrụgide dị n'ime.
ONEWORLD na-enye ndị ọrụ nwere ọkpụrụkpụ dị iche iche nkegalvanized ígwè teepu armored iheiji gboo mkpa dị iche iche.
2.2 Mmetụta nke Usoro Mmepụta USB
Isi okwu na usoro extrusion nke nnukwu mpụta dayameta armored cable sheaths bụ ezughi oke jụrụ, na-ekwesịghị ekwesị ebu nkwadebe, na oke ịgbatị oke, na-akpata oké esịtidem nchegbu n'ime n'ọbọ. Igwe eriri ndị buru ibu, n'ihi nnukwu n'ọbọ ha na obosara, na-echekarị oke n'ogologo na olu nke mmiri mmiri na ahịrị mmepụta extrusion. Ịjụ oyi site na ihe karịrị 200 Celsius n'oge extrusion gaa na ụlọ okpomọkụ na-ebute ihe ịma aka. Igwe oyi na-adịghị mma na-eduga n'ọbọ dị nro dị nso na akwa mkpuchi ihe agha, na-eme ka ọ dị n'elu n'ọbọ ahụ mgbe a na-ejikọta eriri ahụ, na-emecha nwee ike ịkpata mgbawa na nkwụsịtụ n'oge ntinye eriri n'ihi ike mpụga. Ọzọkwa, ezughị ezu jụrụ oyi na-atụnye ụtụ n'ịbawanye ike mbelata nke ime ime mgbe ọ gbasịrị, na-ebuli ohere nke n'ọbọ gbawa n'okpuru nnukwu ike mpụga. Iji hụ na jụrụ oyi zuru oke, a na-atụ aro ịbawanye ogologo ma ọ bụ olu nke olulu mmiri. Iweda ọsọ extrusion ahụ ka ị na-edobe plasticization n'ọbọ kwesịrị ekwesị na inye oge zuru oke maka oyi n'oge ị na-agbakọta dị mkpa. Na mgbakwunye, ịtụle polyethylene dị ka polymer kristal, usoro mbelata okpomọkụ nke akụkụ, site na 70-75 Celsius C ruo 50-55 Celsius C, na n'ikpeazụ ruo n'ime ụlọ, na-enyere aka belata nrụgide dị n'ime n'oge usoro jụrụ oyi.
2.3 Mmetụta nke Coiling Radius na Cable Coiling
N'oge eriri eriri USB, ndị na-emepụta na-agbaso ụkpụrụ ụlọ ọrụ maka ịhọrọ reels nnyefe kwesịrị ekwesị. Agbanyeghị, ịnabata ogologo nnyefe ogologo maka eriri dayameta dị n'èzí na-ebute ihe ịma aka n'ịhọrọ reels dabara adaba. Iji zute ogologo nnyefe a kapịrị ọnụ, ụfọdụ ndị na-emepụta na-ebelata dayameta reel barrel, na-ebute radii na-ehulata ezughi oke maka eriri. Ịgbagọ nke ukwuu na-eduga n'ịkwagharị n'ígwé nke ngwa agha, na-ebute ike ịkpacha ihe n'ọbọ ahụ. N'ọnọdụ ndị siri ike, ihe mgbawa nchara nchara nwere ike dụpuo oyi akwa ahụ, na-etinye ozugbo na n'ọbọ ma na-ebute mgbawa ma ọ bụ mgbawa n'akụkụ nsọtụ nke mpempe ígwè ahụ. N'oge a na-etinye eriri eriri, ike na-ehulata na mpụta na-eme ka n'ọbọ ahụ gbawa n'akụkụ mgbawa ndị a, ọkachasị maka eriri dị nso na akwa dị n'ime mmiri ahụ, na-eme ka ọ dịkwuo mfe mgbaji.
2.4 Mmetụta nke Mwube na nwụnye gburugburu
Iji hazie ihe owuwu eriri USB, a na-adụ ọdụ ka ibelata ọsọ ịdọrọ eriri USB, na-ezere oke nrụgide akụkụ, ịgbagọ, ịdọrọ ike na nkukọ elu, na-ahụ na gburugburu ebe owuwu mepere emepe. Ọkacha mma, tupu echichi eriri, kwe ka eriri ahụ zuru ike na 50-60 Celsius iji hapụ nrụgide dị n'ime site na n'ọbọ. Zere ikpughe eriri ogologo ogologo na ìhè anyanwụ na-eduzi, n'ihi na okpomọkụ dị iche iche n'akụkụ dị iche iche nke eriri nwere ike iduga nrụgide nrụgide, na-amụba ohere nke n'ọbọ nke ịgbawa n'oge ịtinye eriri.
Oge nzipu: Dec-18-2023