Square tube VS rectangular tube, ke sebopeho sefe se tšoarellang ho feta?
Phapang ea ts'ebetso lipakeng tsatube e khutlonnetsepalesekwere tubelits'ebetsong tsa boenjiniere li hloka ho hlahlobisisoa ka botlalo ho tsoa mekhoeng e mengata ea mochini joalo ka matla, ho satalla, botsitso le bokhoni ba ho jara.
1. Matla (ho kobeha le ho hanyetsa torsion)
Matla a ho kobeha:
Rectangular tube: Ha e le tlas'a moroalo o kobehang ka lehlakoreng le lelelele la lehlakoreng (boemo bo bolelele), motsotso oa inertia oa karolo o moholo, 'me ho hanyetsa ho kobeha ho molemo haholo ho feta ha square tube.
Ka mohlala, matla a ho kobeha a 100 × 50mm tube ea khutlonnetsepa ka lehlakoreng le lelelele la lehlakoreng le phahameng ho feta 75 × 75mm square tube.
Square tube: Motsotso oa inertia o ts'oana ka mahlakoreng 'ohle,' me ts'ebetso ea ho kobeha e na le symmetrical, empa boleng ba eona hangata bo nyane ho feta ba lehlakoreng le lelelele la tšupu e nang le mahlakore a mabeli tlas'a sebaka se tšoanang sa cross-sectional.
Qetello: Haeba tataiso ea mojaro e hlakile (e kang sebopeho sa sefate), tube ea rectangular e molemo; haeba tataiso ea mojaro e fetoha, tube ea lisekoere e leka-lekane.
Matla a Torsion:
The torsion constant ea square tube e phahame, khatello ea torsion e ajoa ka mokhoa o ts'oanang, 'me khanyetso ea torsion e molemo ho feta ea tube e nang le mahlakore a mabeli. Ka mohlala, khanyetso ea torsion ea 75 × 75mm square tube e matla haholo ho feta ea 100 × 50mm tube e nang le mahlakore a mabeli.
Qetello: Ha mojaro oa torsional o le matla (joalo ka shaft ea phetiso), li-square tubes li betere.
2. Ho satalla (bokhoni ba anti-deformation)
Bongata ba ho koba:
Ho satalla ho lekana le nako ea ho inertia. Li-tubes tse nang le li-rectangular li na le boima bo phahameng ka lehlakoreng le lelelele la lehlakoreng, le loketseng maemo a hlokang ho hanela ho kheloha ho sa lekanyetsoang (joalo ka maballo a borokho).
Li-square tubes li na le symmetrical bidirectional stiffness mme li loketse meroalo e mengata (joalo ka litšiea).
Qetello: Litlhoko tsa ho satalla li itšetlehile ka tataiso ea mojaro. Khetha li-tubes tse nang le mahlakore a mabeli bakeng sa meroalo e sa tšoaneng; khetha li-square tubes bakeng sa meroalo e habeli.
3. botsitso (buckling resistance)
Ho lokisoa ha lehae:
Hangata li-tubes tse khutlonnetsepa li na le karo-karolelano e khōloanyane ea bophara ho isa ho botenya, 'me likarolo tse tšesaane tse nang le marako li na le monyetla oa ho ba le li-buckling tsa sebakeng seo, haholo-holo tlas'a khatello kapa meroalo ea ho kuta.
Li-square tubes li na le botsitso bo betere ba lehae ka lebaka la likarolo tsa tsona tse fapaneng.
Kakaretso ea buckling (Euler buckling):
Buckling load e amana le bonyane radius ea gyration ea cross-section. Radius ea gyration ea li-square tubes e tšoana ka mahlakoreng 'ohle, ha radius ea gyration ea li-tubes tse nang le mahlakore a mabeli ka lehlakoreng le lekhutšoanyane la lehlakoreng le lekhutšoanyane, e leng se etsang hore li sekaseke haholoanyane.
Qetello: Li-square tubes li khethoa bakeng sa litho tse hatellang (tse kang litšiea); haeba tsela e telele ea lehlakoreng la tube e nang le mahlakore a mabeli e thibetsoe, e ka lefshoa ka moralo.
4. Ho jara matla (axial le meroalo e kopantsoeng)
Axial compression:
Ho jara matla ho amana le sebaka sa cross-sectional le slenderness ratio. Tlas'a sebaka se ts'oanang sa li-cross-sectional, li-square tubes li na le matla a holimo ka lebaka la radius ea tsona e kholoanyane.
Mojaro o kopantsoeng (khatello e kopaneng le ho kobeha):
Li-tubes tse nang le li-rectangular li ka nka monyetla oa sebopeho se ntlafalitsoeng ha tataiso ea nako ea ho kobeha e hlakile (joalo ka mojaro o otlolohileng ka lehlakoreng le lelelele); li-square tubes li loketse linako tsa ho kobeha tse peli.
5. Lintlha tse ling
Tšebeliso ea lintho tse bonahalang:
Li-tubes tse nang le li-rectangular li sebetsa hantle haholo 'me li boloka lisebelisoa ha li kobehile ka tsela e sa tšoaneng; li-square tubes li na le chelete e ngata tlas'a meroalo e mengata.
Khokahano e bonolo:
Ka lebaka la symmetry ea li-square tubes, likhokahano tsa node (tse kang welding le bolts) li bonolo haholoanyane; li-tubes tse khutlonnetsepa li hloka ho nahana ka tataiso.
Maemo a ts'ebeliso:
Li-tubes tse nang le mahlakore a mabeli: maballo a mohaho, matsoho a crane, mochine oa koloi (tataiso e hlakileng ea mojaro).
Li-tubes tsa lisekoere: litšiea tsa mohaho, li-trusses tsa sebaka, liforeimi tsa mechine (meroalo e mengata ea litsela).
Nako ea poso: May-28-2025
