Mechanical Njirimara nke
(1) Ike tensile (σb):A na-ekewa ike kachasị (Fb) nke ihe nleba anya n'oge mgbaji mgbawa site na nrụgide (σ) nke mbụ mpaghara cross-section (So) nke ihe atụ.Nkeji nke ike ntanye (σb) bụ N/mm2(MPa).Ọ na-anọchi anya ikike kachasị nke ihe igwe iji guzogide mmebi n'okpuru esemokwu.Ebe: Fb-- ike kachasị nke ihe nlere anya na-ebu mgbe ọ na-agbaji, N (Newton); Ya mere - akụkụ akụkụ nke mbụ nke ihe nlele, mm2.
(2) Ọnụ ego (σ S):ebe mkpụrụ nke ihe igwe na-emepụta ihe.Ọ bụ nrụgide nke ụdị ahụ nwere ike ịga n'ihu na-agbatị n'ebughị ibu ike (na-anọgide na-adịgide adịgide) n'oge usoro nkwụsịtụ.Ọ bụrụ na mbelata ike, a ga-ekewapụta isi ihe nke elu na nke ala.Otu nkeji mkpụrụ bụ NF/mm2(MPa).Ebe mkpụrụ dị elu (σ SU) bụ nrụgide kachasị tupu ihe atụ ahụ amịpụta na ike na-adaba na nke mbụ.Ebe mkpụrụ osisi dị ala (σ SL): nrụgide kacha nta na ọkwa mkpụrụ mgbe anaghị atụle mmetụta mbido mbụ.Ebe Fs bụ ike mkpụrụ (mgbe niile) nke ihe nleba anya n'oge usoro nkwụsịtụ, N (Newton) Otú ahụ ka ọ dịkwa ebe mbụ cross-section nke ihe atụ, mm.2.
(3) elongation mgbe mgbaji :(σ)na ule tensile, elongation bụ pasent nke ogologo na-abawanye site na ọkọlọtọ ọkọlọtọ nke ihe atụ mgbe agbajichara tụnyere ogologo nke mbụ ọkọlọtọ anya.Ngalaba ahụ bụ %.Ebe: L1-- anya nke ihe atụ mgbe agbajisịrị, mm;L0-- Ogologo anya mbụ nke nlele, mm.
(4) Mbelata nke ngalaba :(ψ)na ule nyocha, pasent nke oke mbelata nke mpaghara obe na mbelata nke ihe atụ ahụ mgbe a dọtara ya na ebe a na-akpọ ebe a na-agafe agafe mbụ a na-akpọ mbelata nke ngalaba.A na-egosipụta ψ na %.Ebe, S0-- ebe mbụ obe-ngalaba nke sample, mm2;S1-- Opekempe mpaghara obe na mbelata dayameta nke ụdị mgbe agbajichara, mm2.
(5) Ndekọ isi ike:ikike nke ihe igwe na-eguzogide ihe siri ike ịbanye n'elu, nke a maara dị ka ike.Dị ka usoro ule na oke nke ngwa si dị, ike ikewa nwere ike ịbụ Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, micro hardness and high okpomọkụ hardness.A na-ejikarị ihe ọkpọkọ eme ihe nwere brinell, rockwell, Vickers hardness 3 ụdị.
(6) Brinell hardness (HB):nwere otu dayameta nke bọọlụ nchara ma ọ bụ bọọlụ alloy siri ike, na ike nnwale akọwapụtara (F) etinyere n'ime elu nlele, mgbe oge ejidere akọwapụtara iji wepu ike nnwale, nha nke dayameta nbanye n'elu sample (L).Nọmba hardness Brinell bụ ọnụ ọgụgụ nke ike nnwale kewara site na mpaghara elu nke oghere ntinye.Ekwuru na HBS, nkeji ahụ bụ N/mm2(MPa).
Mechanical Njirimara nke galvanized ígwè anwụrụ, Performance mmetụta
(1) Carbon;Ọdịnaya carbon dị elu, nchara na-esiwanye ike, mana obere plastik na ductile ọ bụ.
(2) sọlfọ;Na-emerụ irighiri ihe na ígwè, ígwè na elu sọlfọ na elu okpomọkụ nhazi nhazi, mfe ịgbawa, na-akpọkarị ọkụ brittleness.
(3) phosphorus;Ọ nwere ike belata plasticity na ike nke ígwè, karịsịa na obere okpomọkụ, nke dị njọ karị, a na-akpọkwa ihe a na-akpọ oyi brittleness.Na nchara dị elu, sọlfọ na phosphorus kwesịrị ịchịkwa nke ọma.Ma n'aka nke ọzọ, obere carbon ígwè nwere elu sọlfọ na phosphorus, nwere ike ime ka igbutu ya mfe imebi, iji melite machinability nke ígwè dị mma.
(4) manganese;Nwere ike imeziwanye ike nke ígwè, nwere ike ịda mbà ma kpochapụ mmetụta ọjọọ nke sọlfọ, ma nwee ike imeziwanye ike nke ígwè, nnukwu alloy ígwè nwere ọdịnaya manganese dị elu (nchara manganese dị elu) nwere ezigbo nkwụsị na-eyi na ihe ndị ọzọ anụ ahụ.
(5) silicon;Ọ nwere ike melite ike nke ígwè, ma plasticity na ike iju, eletriki ígwè nwere ụfọdụ ego nke silicon, nwere ike melite nro magnetik Njirimara.
(6) Tungsten;Ọ nwere ike melite ike na-acha uhie uhie, ike ọkụ na iyi nguzogide ígwè.
(7) Chromium;Ọ nwere ike melite hardenability na iyi nguzogide nke ígwè, melite corrosion iguzogide na ọxịdashọn resistance nke ígwè.
(8) Zinc;Iji meziwanye nguzogide corrosion, a na-eji galvanized ọkpọkọ nchara nchara (paịpụ ojii).Galvanized ígwè ọkpọkọ na-ekewa abụọ iche iche nke na-ekpo ọkụ itinye galvanized ígwè na eletriki ígwè zinc, na-ekpo ọkụ itinye galvanized galvanized oyi akwa oké, electric galvanized na-eri bụ ala, otú e nwere galvanized ígwè ọkpọkọ.
Mechanical Njirimara nke galvanized ígwè anwụrụ, usoro nhicha
1. mbụ ojiji nke ihe mgbaze ihicha ígwè elu, elu nke organic okwu mwepụ,
2. wee jiri ngwaọrụ wepụ nchara (ahịhịa waya), wepụ ọnụ ọgụgụ rụrụ arụ ma ọ bụ tilt, nchara, slag ịgbado ọkụ, wdg.
3. iji pickling.
Galvanized na-ekewa na-ekpo ọkụ plating na oyi plating, na-ekpo ọkụ plating adịghị mfe nchara, oyi plating dị mfe nchara.
Mechanical Njirimara nke galvanized ígwè anwụrụ ， Njikọ na uzo Rolling mode
(1) Groove weld cracking
1, ọkpọkọ ọnụ mgbali uzo akụkụ nke n'ime mgbidi ịgbado ọkụ mmanya na-egweri ire ụtọ, belata uzo Rolling eguzogide.
2. Gbanwee axis nke ígwè ọkpọkọ na groove rolling equipment, na-achọ larịị nke ígwè ọkpọkọ na groove Rolling akụrụngwa.
3, gbanwee ọsọ ọsọ nke tankị nrụgide, oge ịkpụzi nke tankị nrụgide enweghị ike ịgafe ndokwa, edo na ike ngwa ngwa.
(2) Rolling ọwa ígwè ọkpọkọ mgbaji
1. Mee ka ọgịrịga ịgbado ọkụ dị n'ime mgbidi dị n'ime nke oghere nrụgide na ọnụ ọkpọ ígwè iji belata nguzogide nke ịgbagharị.
2. Gbanwee axis nke ígwè ọkpọkọ na groove rolling equipment, na-achọ larịị nke ígwè ọkpọkọ na groove Rolling akụrụngwa.
3, gbanwee ọsọ ọsọ nke tankị nrụgide, ọsọ ọsọ tank enweghị ike ịgafe ndokwa, edo na ike ngwa ngwa.
4. Lelee obosara na ụdị nke onye na-akwado ihe na-arụ ọrụ na nrụgide nrụgide nke ngwongwo groove iji hụ ma ọ bụrụ na rollers abụọ ahụ adabaghị na ibe ha na nha ma mee ka ihe mgbagwoju anya.
5. Lelee ma oghere nke ọkpọkọ ígwè akọwapụtara na vernier caliper.
(3) Igwe eji akpụ akpụ akpụ akpụ kwesịrị iru ihe ndị a chọrọ
1. N'elu elu site na ọkpọkọ ọkpọkọ ruo na oghere ga-adị mma na enweghị concave-convex na akara ntụgharị.
2. Ebe etiti nke oghere kwesịrị ịdị na-atụgharị na mgbidi ọkpọkọ, obosara na omimi nke oghere ahụ kwesịrị izute ihe ndị a chọrọ, ma lelee ma ụdị nkwụsị ahụ ziri ezi.
3. Tinye mmanụ mmanu na mgbanaka mkpuchi rọba wee lelee ma mgbanaka mkpuchi rọba mebiri emebi.Agaghị eji mmanu mmanu mee mmanu.
Oge nzipu: Mee-23-2022