Question

In the friction force of the sleeve A, the maximum impedance torque that can be provided to the x-axis is 125 N-m. Try to find the maximum force that can be applied to the bracket without rotating.

4133. 在套管4之摩擦力,可對 x軸提供的最大阻 抗力矩為 125N·m。試求可施加在托架而不致旋轉 之最大力的大小。 AST 360° 160° | B (100 mm 150 mm 300 mm

Answer 1

► ma: Fl 300 13(45) - loo Los160) Nimmo, TO → Mx = 162.132 F N.mm or mac = 0.162132 F Norom. Evamate Maa Mae, max → 125 = 0.162132 Fmaxe ma Fmax = 770.97 N. wax Mx, max = 125 Nam. P = F} = cos(60) it it cos(60) } + cos (45) Ř} No 86-150, soo, loo) AB = -150% + 300 } + 100 Ř mm MA = Ã x ? l-iso 300 100 1- Floolbo) Flas(ba) Fioslys) X- component of moment N.mm No mom, Maz 300xFlos (45) - 1oox flos (60)