Ayini amamaki amabhawodi esakhiwo sensimbi

Ibhawodi lesakhiwo sensimbi elisetshenziswayo lizohluka ngokuya ngamandla okusetshenziswa okuhlukile kwendawo nalo lihlukile, ngakho-ke ungahlulela kanjani ibanga lamandla?
Ibanga lamandla lesakhiwo sensimbi:
Ibanga lamandla lebhawodi lesakhiwo sensimbi loxhumo lwesakhiwo sensimbi ngu-3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, njll. Ibanga lamandla lebhawodi lesakhiwo sensimbi liqukethe izingxenye ezimbili zezinombolo, ngokulandelana kwazo. inani lamandla aqinile okuzisholo kanye nesilinganiso se-flexion sensimbi yesakhiwo sebhowudi.
Ngokwesibonelo, amabhawodi ensimbi kwesakhiwo ebangeni 4.6.Incazelo ithi:
I-1, insimbi yesakhiwo sebhawodi impahla okuzisholo isivuno amandla 400×0.6=240MPa grade ukusebenza grade 10.9 amandla okusezingeni eliphezulu steel isakhiwo bolt.
2. Isilinganiso samandla esicindezelayo sensimbi yesakhiwo sebholithi impahla ngu-0.6;
3, insimbi isakhiwo bolt impahla okuzisholo tensile amandla kufika ku-400MPa;
Ngemuva kokwelashwa kokushisa, impahla ingafinyelela:
I-1, insimbi yesakhiwo sebhawodi yensimbi amandla okukhiqiza amandla angu-1000×0.9=900MPa ebangeni
2. Isilinganiso samandla okugoqa webholidi yesakhiwo sensimbi ngu-0.9;
3, insimbi isakhiwo umshudo impahla okuzisholo tensile amandla 1000MPa;
Incazelo yesakhiwo sensimbi ibanga lokushuba kwebhawodi yizinga lamazwe ngamazwe, ibholidi yesakhiwo sensimbi yezinga elifanayo lokusebenza, kungakhathaliseki ukuthi impahla yayo kanye nomehluko wendawo yokukhiqiza, ukusebenza kwayo kuyafana, khetha ibanga lokusebenza kuphela ku-design can.
Amabanga wamandla 8.8 kanye no-10.9 abhekisela kumabanga wokucindezeleka we-shear wamabhawudo ensimbi wesakhiwo 8.8GPa kanye no-10.9 GPa.
8.8 Amandla okubamba amandla 800N/MM2 Amandla esivuno esincane 640N/MM2
Ibhawodi yesakhiwo sensimbi evamile ichazwa ngokuthi “XY”,X*100= amandla aqinile ebhawodi yesakhiwo sensimbi,X*100*(Y/10)= amandla okukhiqiza ebhawodi yesakhiwo sensimbi (njengoba kushiwo kulebula: isivuno amandla/amandla aqinile =Y/10), njenge-4.8, amandla aqinile webhawodi yesakhiwo sensimbi ngu:400MPa, amandla okukhiqiza :400*8/10=320MPa.
Okungenhla izinga lamandla lebhawodi lesakhiwo sensimbi, sisetshenziswa ngokuya ngebanga elihlukile okufanele silisebenzise, ​​esakhiweni esisetshenziswa ngokuvamile kuba yibhawodi lebanga lamandla aphezulu.


Isikhathi sokuthumela: Oct-30-2021