قسم هندسة تقنيات التكي يف والتبریدالامتحان الأول للفصل الثاني السنة الدراسية2022-20212022 /4/-:aالوقت: ساعة واحدةQ.1 Design a compression coupling for a shaft totransmit 2000 N-m. The allowable shear stress for theshaft and key is 50 MPa and the number of boltsconnecting the two halves are 6. The permissibletensile stress for the bolt material is 90 MPa. Thecoefficient of friction between the muff and the shaftsurface may be taken as 0.3. ( 7.5)Choose one of the following solutions:M45,M42,М39, М36, М33, М30, М27,M24IIM45M42M39II>

Answered: Image /qna-images/answer/d82c1f50-2099-40b1-91de-6ff9b973e0b3.jpg

.1 Design a compression coupling for a shaft to ansmit 2000 N-m. The allowable shear stress for the naft and key is 50 MPa and the number of bolts onnecting the two halves are 6. The permissible ensile stress for the bolt material is 90 MPa. The oefficient of friction between the muff and the shaft urface may be taken as 0.3. ( 7.5)

.1 Design a compression coupling for a shaft to ansmit 2000 N-m. The allowable shear stress for the naft and key is 50 MPa and the number of bolts onnecting the two halves are 6. The permissible ensile stress for the bolt material is 90 MPa. The oefficient of friction between the muff and the shaft urface may be taken as 0.3. ( 7.5)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Mechanical design The maximum load in a rotating shaft is subjected to bending moment of 1 kN.m and a torque of 1 kN.m. The member is made of steel the Ultimate Tensile Strength 440 MPa, Yield Tensile Strength 370 MPa. With a safety factor of 4, kt = km = 1.5 and keyway stress consternation is presented. According to the maximum shear stress theory, the shaft diameter will be: a. 160 mm b. 74 mm C. 145 mm d. 92.5 mm e. 60 mm f. 66 mm
A clamp coupling is to transmit a power of 13 kW to a shaft rotating at a speed of 511 rpm. Calculate the diameter of the shaft if the allowable shear stress on the shaft is 45 MPa. The number of bolts connecting the two halves is six. The permissible tensile stress for the bolts is 76 MPa. The coefficient of friction between the coupling and the shaft surface may be taken as 0.3. Also, find the diameter of the bolt. Torque in Nm Diameter of shaft in mm Diameter of bolt in mm
Pls give right answer with step by step explanation. Design a clamp coupling for a shaft diameter of 60 mm. The torsional moment to be transmitted by this coupling taking in to account over loading as 160 N-m. The number of bolts used are 6 and the allowable stress in the material of the bolt is limited to 5N / m * m ^ 2 . The coefficient of friction between the shaft and muff material is 0.25.
Please solve step by step both sub parts. shaft transmits 75 kW power at 300 r.p.m. The distance between the two bearing is 3000 mm. It is subjected to torsion only. Calculate the diameter of the shaft, (1)For steady loading and (ii) For suddenly applied load with minor shocks. Take the allowable shear stress for the shaft material as 35 N/mm².
HoW - A flanged Coupling having six bolts placed at a pitch cirde diameter of 180mm Connects tuwo leng ths of selid steel shafting of the same diameter. The shaft is vequited to trans mit so kw * 240 veul min. Assuming the allowable intensities of shearing stress in the shaft and bolts are 75 MPa and ss MPa vespectiely and the maxinmum torque is \.4 times the mean torque, Find:. O the diameter of the shaft. the diameter of the bolts.
I want proper solution don't copy from others solution I will report. flange coupling connects two 50 mm diameter lengths of commercial shafting. The coupling flanges are bolted together with four bolts of the same material as the shaft. The bolts are set in clearance holes. The diameter of the bolt circle is 240 mm and the flange thickness is 22 mm, (1) Determine the minimum bolt diameter required to transmit the same torque that the shaft can transmit.
(BB) Q1: The shaft, as shown in Fig. is driven by pulley B from an electric motor. Another belt drive from pulley A is running a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 2.5. The diameter of pulley A is 150 mm and the diameter of pulley B is 480 mm. The allowable shear stress for the shaft material is 85 MPa. Taking torsion and bending factors as 1.25 and 1.5 respectively, find the shaft diameter. C # -100- A B -150-100 D TB2 All dimensions in mm. B A TAZ TAI TB1
A 600 mm steel pulley transmits 50 kW at 900 rpm. The arc of contact between the belt and pulley is 144 degrees, the coefficient of friction between belt and pulley is 0.3 and the safe working stress of the belt is 2750 kPa. Find the width of the belt used if the thickness is equal to 12 mm.
A threaded machine bolt of 3/4 in diameter is screwed up tightly, fastening together two steel parts. To avoid the failure of the bolt in shear, the unit shearing stress must not exceed the elastic limit stress of 36000 psi. What maximum pull may safely be exerted on a wrench with a 20 in. moment arm to avoid failure on the root area if its root diameter is 0.6688 in. and if we assume that friction under the bolt head nullifies 25 percent of the pull
Q2/ Calculate the maximum axial stress for a 40-ft joint of 11.75-in, 60 lbm/ft, J-55 casing with short threads coupling. Where the casing is subjected to 280000 lb, axial tension load in a portion of a directional wellbore with dogleg severity of 2"/50 ft. In case of: (1)Uniform contant between the casing and the borehole wall. (2)Assuming contant between borehole wall and the casing only at the couplings,andF n+ (3)Calculate the joint setrength of the API round thread couplings.(oult = 75000 psi, wall thickness 0.489-in, Pc= 2660 psi. o yb-952000 lb, Fj-649 000 lbf).
(8) An axle (non-rotating) is to be machined from AISI 1144, OQT 1,000°F, to the proportions keyway в shown, with a fillet radius r = 0.2D; F varies 1.SD from 400 lb. to 1,200 lb.; the supports are to the left of B, not shown. Let N = 2 (Soderberg Line). 6" (a) At the fillet, compute D and the 30 maximum tensile stress. (b) Compute D at section B. (c) Specify suitable dimensions. Keeping the given proportions, would a smaller diameter be permissible if the fillet were shot-peened?