P6.18 The gear train system shown in Figure P6.18/19 includes shafts (1) and (2), which are...
P6.010 The mechanism shown in the figure is in equilibrium for an applied load of 25 kN. Specifications for the mechanism limit the shear stress in the steel [G82 Ga] shaft BC to 58 MPa, the shear stress in bolt A to 9u MPa, and the vertical defection of joint D to maximum value of 40 mm. Assume that the bearings allow the shaft to rotate freely. Using L-1.200 mm, -115 mm, and b-225 mm, calculate (a) the minimum diameter...
Problem 1 (25 Points) Two solid steel (6-80 GPa) shafts are connected by the gears shown. Shaft (1) has a diameter of 45 mm, and shaft (2) has an outside diameter of 55 mm and wall thickness 4 mm. Assume that the bearings shown allow free rotation of the shafts. If a 400 N-m torque is applied at gear D, determine (a) the maximum shear stress magnitudes in each shaft. (b) the angles of twist ф, and ф (c) the...
The motor shown in the figure supplies 14.0 kW at 1880 rpm at A. Shafts (1) and (2) are each solid 26 mm diameter shafts. Shaft (1) is made of an aluminum alloy [?G=26??GPa], and shaft (2) is made of bronze [?G=45??GPa]. The shaft lengths are L1=3.1m and L2=2.7m, respectively. Gear B has 55 teeth, and gear C has 99 teeth. The bearings shown permit free rotation of the shafts. Determine: (a) the maximum shear stress produced in shafts (1)...
In the mechanical system represented in Figure 2(a), a motor supplies a torque of 45 kN-m, and powers two machines through gears D and E. The torque delivered to gear E is 8 kN-m The two shafts are made of steel, with E200 GPa, G 80 GPa and yield strength of 300 MPa The shaft AB has an outer diameter of 150 mm and an inner diameter of 80 mm; the shaft DCE has an outer diameter of 80 mm...
The rotating solid steel shaft is simply supported by bearings at points B and C and is driven by gear (not shown) which meshes with the spur gear at D, which has a 150-mm pitch diameter. The force F from the drive gear acts at a pressure angle of 20". The shaft transmits a torque to point A of TA = 340 N.m. The shaft is machined from steel with Sy= 420 MPa and Sut = 560 MPa. The fatigue...
Question 1 The motor shown in Fig. 1 supplies power to Gear C through solid steel motor shaft GF (having a diamet of 200 mm) and Gear F. The torque delivered to Gear C is 200 kNm. Gears A, B, D and E supply powers to er three machines. The torques delivered by gear A, gear B and gear E to the machines are 60 kNm, 30 kNm and 40 kNm, respectively. Shaft ABCDE is also made of steel (G...
75 mm 1.5 m T = 48 N·m 2 m 150 mm Two solid steel 20-mm-diameter shafts are coupled together using the perfectly meshed gears shown. Shaft DC is fixed to the wall at D and supported with a frictionless journal bearing. Shaft EF is supported with two frictionless journal bearings. The modulus of rigidity of steel is 80 GPa. Before the torque is applied, the angle of twist in each shaft is zero, and the angle of rotation of...
Required information Two solid steel shafts are connected by the gears shown. A torque of magnitude T = 960 N.m is applied to shaft AB. The allowable shearing stress is 50 MPa. 240 mm 80 mm Considering only stresses due to twisting, determine the required diameter of shaft CD. The diameter of shaft CD is mm.
Homework 6: The figure below shows a gear train where gear 1, on shaft a (input shaft), drives gear 2 with 32 teeth (denoted 32T) on shaft b, gear 3 (20T) also is on shaft b and drives gear 4 (507) on shaft c (output shaft). The pitch diameter of gears 1 and 2 are d = 24 mm and d = 48 mm. The center distance between gears 3 and 4 (distance between shafts b and c is 70mm....
The 50-mm-diameter shafts AB & DE are made of A-36 steel (G = 75 GPa) and are supported on journal bearings that allow the shafts to rotate freely and the turbine at Eis fixed from turning. If the allowable angle of twist of C with respect to Eis 0.2" and shaft AB rotates at 30 Hz, determine the maximum power (hp) that can be delivered from the motor, 0.75 m Tunin