Okwu Mmalite nke Welong Mandrel Bar

Teknụzụ mmepụta

Usoro mmepụta nke mmanya mandrel nwere ọtụtụ usoro dị mgbagwoju anya na nke ziri ezi.Nke mbụ bụ ihe na-agbaze ihe, nke na-eme ka ọ bụrụ otu na ịdị ọcha nke isi mmanya.Mgbe ahụ na-emepụta ihe, site na usoro ịgha mkpụrụ, a na-anụcha ọka nke ihe ahụ, si otú ahụ na-emeziwanye ihe eji arụ ọrụ na ndụ ọrụ.Ihe eji eme ihe eji eme ihe na-achọ ọgwụgwọ okpomọkụ, usoro nke na-ewepụ nrụgide dị n'ime ma mee ka ike sie ike ma na-eyi nguzogide nke mandrel.Mgbe nke ahụ gasịrị, igwe eji arụ ọrụ, gụnyere ntụgharị, igwe igwe na arụ ọrụ ndị ọzọ, na-eme ka mandrel zuo oke ihe achọrọ nke ọma.Nzọụkwụ ikpeazụ bụ ọgwụgwọ elu, dị ka quenching, tempering, wdg, iji kwalite nguzogide corrosion na elu ike nke mandrel.

Oke ngwa na nkọwapụta

A na-eji mmanya Mandrel eme ihe n'ụdị igwe ihe igwe dị iche iche, dị ka MPM (igwe igwe ihe igwe na-agafe agafe), PQF (igwe igwe igwe kwụ ọtọ dị elu) na FQM (igwe igwe na-agba ngwa ngwa).Ụdị nkọwa ya dị iche iche, sitere na Φ80 mm ruo 500 mm na dayameta, ogologo site na 2500 mm ruo 17,500 mm, nwere ike izute mkpa mmepụta dị iche iche.

Nhọrọ ihe

Ihe eji eme mmanya mandrel na-abụkarị AISI H13 ma ọ bụ ọkọlọtọ mba 4Cr5MoSiV1 na 36CrNiMoV6.Ihe ndị a nwere ezigbo okpomọkụ dị elu na ike arụ ọrụ iji nọgide na-enwe nkwụsi ike na okpomọkụ dị elu na gburugburu ebe nrụgide dị elu.Ihe ntinye nke na-abụghị ọla na ihe mandrel ka achọrọ ka ọ bụrụ ihe karịrị 1.0 ọkwa A, B, C na D, na nha ọka kwesịrị iru 8 ọkwa ma ọ bụ karịa.Ihe ndị a siri ike chọrọ na-eme ka ịdị elu dị elu na ntụkwasị obi nke mmanya mandrel.

Ihe eji arụ ọrụ

Ihe ndị a na-atụ aro maka ihe eji eme ihe nke ihe mgbochi H13 bụ ndị a: Maka mandrel na dayameta ≤200 mm, ike nkwụsị bụ 1127-1274 mpa, ike mkpụrụ bụ ≥931MPa, elongation bụ ≥8%, ngalaba shrinkage. bụ ≥25%, ọrụ mmetụta bụ ≥20J, na ike bụ HB350-390;Maka mandrel nwere dayameta> 200 mm, ike nkwụsị ya bụ 1078-1274 mpa, ike mkpụrụ bụ ≥882MPa, elongation bụ ≥8%, akụkụ shrinkage bụ ≥25%, ọrụ mmetụta bụ ≥20J, ike bụ HB330-375.

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