Okwu Mmalite Imepụta
A na-eji ngwaahịa a na-akpụ akpụ akpụ n'ọtụtụ ebe n'ụlọ ọrụ dị iche iche, ọkachasị n'ụlọ ọrụ ihe ọṅụṅụ na nkwakọ ọgwụ, yana kwa n'ụlọ ọrụ egwuregwu ụmụaka.
Mee mgbanwe R na nsọtụ na akụkụ
N'ozuzu, nkuku na nkuku nke igbu kpụrụ ngwaahịa ga-mere n'ime R mgbanwe, n'ihi na ibu ịfụ mgbasa ruru na nkọ nkuku dị mfe na-eme ka uneven mgbidi ọkpụrụkpụ, na nkọ nkuku dịkwa mfe na-emepụta nrụgide cracking, na R mgbanwe mgbanwe. nke ngwaahịa nwere ike ime ka mgbidi ọkpụrụkpụ nke ngwaahịa edo.
Mụbaa nhazi nhazi na mkpakọ, erughị ala na torsion
Na ngwaahịa dị iche iche chọrọ, enwere ike ịgbakwunye ụfọdụ nhazi nhazi na mkpakọ, esemokwu na torsion:
1. Ọ bụrụ na ịchọrọ ịbawanye nkwụsị ogologo nke ngwaahịa ahụ, ị nwere ike ịmepụta ụfọdụ stiffeners tinyere ntụziaka nrụgide.
2. Iji mee ka arụmọrụ mgbochi nkwụsị nke ngwaahịa ndị ahụ dịkwuo mma, a pụkwara ịmebe elu ahụ ka ọ bụrụ nhazi arc nke na-eme ka nrụgide dịkwuo elu ma gbakwunye ya na ọkpụkpụ na-eme ka ọ dị ike.Ubu nke ngwaahịa karama kwesịrị ịdị na-atụgharị, ọ bụghị nke dị larịị ma kwụ ọtọ.
N'ozuzu, a na-eme ala karama ahụ ka ọ bụrụ ọdịdị concave iji mee ka ike dịkwuo elu na nkwụsi ike ntinye.Dịka ọmụmaatụ, anyị na-ahụkarị karama nwere mmanụ oriri na ụfọdụ concave-convex shapes n'elu, nke nwere ike ọ bụghị naanị ịbawanye ike nke karama ahụ, kamakwa ịkwado akara ụghalaahịa.
Ihe achọrọ na iwebata ihe ịkpụzi ihe
Mmepe na ngwa nke teknụzụ ịkpụzi ihe dị ukwuu, nke na-akwado mmepe nke ihe ịkpụzi ihe.Ihe eji akpụ akpụ ejirila nke nta nke nta mepụta site na ngwaahịa LDPE mbụ, PET, PP na PVC iji fụọ plastik injinịa ịkpụzi, rọba na ụfọdụ ihe mejupụtara.
Ihe pụrụ iche chọrọ maka ihe ndị rọba na akụkụ dị iche iche nke ịfụ plastik
1. Extrusion igbu ịkpụzi
A na-eme ịkpụzi ihe nfụkasị ahụ na steeti viscous, yabụ iji belata sag parison wee kwalite nkesa mgbidi ahụ, a na-ejikarị plastik nwere nnukwu ibu molekụla eme ihe.
2. Injection igbu ịkpụzi
A na-eme ịkpụzi ịgba ọgwụ mgbochi n'ọnọdụ dị elu.Iji belata oriri ike nke ịgba ntụtụ na-akpụzi parison, a na-eji ụfọdụ rọba dị mfe ịgbapụta (plastic nwere obere arọ molekụla).
3. Injection gbatịa igbu ịkpụzi
A na-ejikarị plastik amorphous eme ihe.N'ihi obere ike njikọ intermolecular nke plastik amorphous, ọ dị mfe ịgbatị.Ọ bụ ezie na PET bụkwa kristal, ọ ka bụ ihe na-akpụzi ihe na-agbatị mgbatị ahụ kachasị mkpa, ọnụ ọgụgụ kristal na-adịkwa ngwa ngwa.Na nkenke, ọtụtụ plastik na-akpụzi ọkwa nwere oke nkesa arọ molekụla dị elu.
Ụdị ihe na-akpụzi ihe
1. Polyolefins
HDPE, LLDPE, LDPE, PP, EVA na-ejikarị eme ihe maka ịkpụzi ngwaahịa ụlọ ọrụ, arịa na ngwa egwuregwu ụmụaka, ihe nchekwa kemịkalụ, wdg.
2. Thermoplastic polyester
A na-ejikarị PETG na PETP eme ihe maka ịfụ karama nkwakọ ngwaahịa ihe ọṅụṅụ carbonated na karama mmanya, nke ejirila nwayọọ nwayọọ dochie PVC ma jiri ya mee ihe.Ọdịmma ya bụ na ọnụ ahịa ha dị oke ọnụ, a na-ejikwa ha eme ihe n'ịkpụzi ogbugba ogbugba.
3. Plastics injinia (alloy)
ABS, SAN, PS, PA, POM, PMMA, PPO, wdg ejirila nwayọọ nwayọọ tinye n'ime ụgbọ ala, ọgwụ, ngwa ụlọ, ụlọ ọrụ kemịkalụ na ụlọ ọrụ ndị ọzọ, karịsịa PC na ngwakọta plastik ya, nke enwere ike iji gbaa ọkwa dị elu. arịa na ngwaahịa ụgbọ ala (PC/ABS, wdg).
4. Thermoplastic elastomer
N'ozuzu, a na-eji SBS, SEBS, TPU, TPE na ogige ndị ọzọ na-akpụzi ihe, ebe enweghị ike ịkpụzi plastik thermosetting, rubber vulcanized na crosslinked PE.
Nchịkọta:
Ihe ndị a na-ahụkarị maka ịkpụzi ịgba ntụtụ
A na-ejikarị PE, PET, PVC, PP, PC na POM eme ihe maka arịa na akụkụ nhazi na nhazi dị elu na obere olu.
Oge nzipu: Mar-22-2023