Usoro ngụkọ ibu yinye

Usoro ngụkọ ibu nke agbụ ígwè bụ dịka ndị a: Usoro ngụkọ ibu nke mita yinye na-ebuli elu? Azịza: Usoro bụ isi bụ ọnụọgụ nke ngalaba = ogologo zuru oke (mm) ÷ 14. 8 mm = 600 ÷ 14. 8 = 40. 5 (ngalaba) Ibu nke akụkụ ọ bụla = Gịnị bụ usoro ngụkọ maka ike nrụgide nke agbụ ígwè gbara gburugburu? Ike ịgbaji agbụ Ngụkọta ike ịgbaji nke agbụ ígwè efere 1. Nrụgide kacha nta nke ígwè 40Cr bụ S=980N/mm2, mpaghara obe kacha nta nke njikọ agbụ otu dị na nkeji B (mm2), ike ịgbaji kacha nta nke agbụ ígwè dị na nkeji F (N). Usoro F=S×B3. Ngụkọta nke agbụ ígwè nwere ọkpụrụkpụ 10 na pitch 80: B=15*10*2+12. 5*10*2=550mm2F=980*550=539000N Ngụkọta nke yinye nwere ọkpụrụkpụ 16 na pitch 80: B=15*16*2+12 .5*16*2=880mm2F=980*880=862400N Ngụkọta yinye nwere ọkpụrụkpụ 16 na pitch 120: B=23. 5*16*2+22. 5*16*2=1472mm2F=980*1472=1442560N