Usoro ịgbakọ ihe nkedo ibu

Usoro mgbako nke yinye ibu ibu bụ nke a: Ebuli yinye mita arọ mgbako usoro?Azịza: Usoro bụ isi bụ ọnụ ọgụgụ nke akụkụ = ngụkọta ogologo (mm) ÷ 14. 8 mm = 600 ÷ 14. 8 = 40. 5 (nkeji) Ibu nke akụkụ nke ọ bụla = Gịnị bụ usoro mgbako maka ike ike nke gburugburu. ígwè yinye?Ịgbaji ike mgbako nke agbaji ike nke efere efere 1. Opekempe na-agbaji nrụgide nke 40Cr ígwè bụ S = 980N/mm2, kacha nta cross-section nke otu yinye njikọ dị na B nkeji (mm2), na ike kacha nta agbaji nke yinye dị na nkeji F (N).Ụdị F=S×B3.Ngụkọ nke yinye nwere ọkpụrụkpụ 10 na pitch 80: B=15*10*2+12.5*10*2=550mm2F=980*550=539000N Ngụkọta yinye na ọkpụrụkpụ 16 na pitch 80: B=15*16*2+12 .5*16*2=880mm2F=980*880=862400N Chain gbakọọ na ọkpụrụkpụ na ọkpụrụkpụ. 16 na ọkwa 120: B=23.5*16*2+22.5*16*2=1472mm2F=980*1472=1442560N