Ikike ibu = ike x mpaghara
Bolt nwere ịghasa eri, M24 bolt cross section area abụghị 24 dayameta okirikiri ebe, ma 353 square mm, na-akpọ irè ebe.
Ike tensile nke bolts nkịtị nke klas C (4.6 na 4.8) bụ 170N/sq.
Mgbe ahụ ike ibu bụ: 170×353 = 60010N.
Dị ka nrụgide nke njikọ ahụ si dị: kewara n'ime oghere nkịtị na hinged. Site na isi udi cent: nwee isi hexagon, isi okirikiri, isi square, isi countersunk na ihe ndị ọzọ. Isi hexagon bụ ihe a na-ejikarị eme ihe. A na-ejikarị isi countersunk eme ihe ebe achọrọ njikọ
Riding bolt English name is u-bolt, non-standard parts, shape is u-shaped ya mere a na-akpọkwa u-shaped bolt, ma nsọtụ nke eri nwere ike ijikọta na nut, tumadi iji dozie tube dị ka. ọkpọkọ mmiri ma ọ bụ efere dị ka isi iyi nke ụgbọ ala, n'ihi ụzọ isi edozi ihe dị ka ndị na-agba ịnyịnya, nke a na-akpọ ịnya bolt. Dị ka ogologo nke eri n'ime zuru eri na-abụghị zuru eri abụọ edemede.
Dị ka eri nke ezé na-ekewa n'ime ụzọ abụọ nke ezé ezé na ezi ezé, ezé na-adịghị mma na bolts adịghị egosi. A na-ekewa bolts ahụ n'ime 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9 na 12.9 dịka ọkwa arụmọrụ si dị. Ihe mkpuchi ahụ dị n'elu ọkwa 8.8 (gụnyere 8.8 ọkwa) bụ nke obere carbon alloy steel ma ọ bụ ọkara carbon steel wee mee ọgwụgwọ okpomọkụ (imenyụ na tempering). A na-akpọkarị ha bolts ike dị elu na n'okpuru ọkwa 8.8 (ewezuga ọkwa 8.8) ka a na-akpọkarị bolts nkịtị.
Enwere ike kewaa bolts nkịtị ka ọ bụrụ akara ule A, B na C dabere na mmepụta nke ọma. Akara A na B bụ bolts a nụchara anụcha yana akara C bụ bolts siri ike. Maka bolts njikọ nchara nchara, belụsọ akọwapụtara nke ọma, bolts klas C nkịtị nkịtị
Oge nzipu: Ọktoba 15-2019