=It is required to design a split muff coupling to transmit 60 kW power at 140 rpm. The shafts, key420 N/mm²). The yield strength inand clamping bolts are made of plain carbon steel (σytcompression is 160% of the tensile yield strength. The factor of safety for shafts, key and bolts is5. The number of clamping bolts is 8. The coefficient of friction between sleeve halves and theshaft is 0.3.(i) Calculate the diameter of the shaft.(ii) Specify the length and outer diameter of the sleeve halves.(iii) Find out the diameter of clamping bolts.(iv) Specify the size of key and check the dimensions for shear and compression criteria

Step 1:Calculating Shaft Diameter :The power transmitted by the shaft can be related to the torque…

Answered: = It is required to design a split muff…

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

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Please help me, I need a solution quickly, the exam will be over
A 5/8 inch diameter double-thread Acme power screw with a thread coefficient of friction of 0.1 is being used to raise a load of 2,404 Ib. How much does the load move in inches to two decimal places during one full revolution of the power screw ? Selected Answer: 0.08 Correct Answer: 0.25 0.01
Please help. Written on paper not typed on computer or keyboard please. Need help on all questions. Please include all units, steps to the problem and information such as its direction or if it is in compression or tension. Thx.
Required information For a bolted assembly with six bolts, the stiffness of each bolt is kb 2 Mibf/in and the stiffness of the members is km = 13 Mlbf/in per bolt. An external load of 80 kips is applied to the entire joint. Assume the load is equally distributed to all the bolts. It has been determined to use 1/2 in-13 UNC grade 8 bolts with rolled threads. It is desired to find the range of torque that a mechanic could apply to initially preload the bolts without expecting failure once the joint is loaded. Assume a torque coefficient of K = 0.2. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Determine the maximum bolt preload that can be applied without exceeding the proof strength of the bolts once the load is applied. The maximum bolt preload that can be applied is Ibf.
Please answer ASAP. I will rate helpful.
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A rigid coupling with 30 inches of bolt circle diameter transmits a torque of 18,000 lb-in. The coupling material has a yield strength of 90,000 psi. The coupling is fastened by six bolts. Assume design factor of N=3 Calculate the diameter of each bolt.
QI: A double-threaded 30-mm power screw is 30 mm in diameter with a pitch of 6 mm. The coefficients of friction are 0.05 for the collar and 0.08 for the threads. The frictional diameter of the collar is 40 mm. if Tg=18 N.m: 1- Find the A vertical load on the screw, the torque used to lower the load and screw efficiency. 2- Compute all the stresses on the screw body that will cause by the load.
Q3-a/ What are the characteristics of material which used for lining friction surfaces of a clutch? (5Marks) b/ An engine developing 45 kW at 1000 r.p.m. is fitted with a cone clutch built inside the flywheel. The cone has a face angle of 12.5° and a maximum mean diameter of 500 mm. The coefficient of friction is 0.2. The normal pressure on the clutch face is not to exceed (0.1 N/mm2). Determine: 1. The face width required, and 2. The axial spring force necessary to engage the clutch Answer question 4 or 5 (15 Marks) 15 Q4/ The areas of the turning moment diagram for one revolution of a multi-cylinder engine with reference to the mean turning moment, below and above the line, are - 32, + 408,-267, +333,-310, +226,- 374, + 260 and 244 mm². The scale for abscissa and ordinate are: 1 mm = 2.4° and 1 mm = 650 N-m respectively. The mean speed is 300 r.p.m. with a percentage speed fluctuation of± 1.5%. If the hoop stress in the material of the rim is not to exceed 5.6 MPa, determine the…
6- Give the suitable specifications (width, thickness and length) for an open Flat-belt system to transmit a power of (74) hp at (620) rpm to a shaft with 280 rpm. Take a safety factor of (2). The smaller pulley is 250 mm diameter and the center distance is 5 m. the belt material is leather chrome tanned and the pulleys are of cast iron working in wet condition. The belts allowable tensile stress is 4.2 MPa
A joint is subject to a cyclic loading. There is an acceptable preload of 1,200 lbs, and the axial load is fully reversed with an amplitude of 1,600 lb. THe tensile bolt area is 0.160 in^2. Ignore any design factors and (take all nd=1) and assume the loads include the 1.2 bolt factor. If the joint constant is 0.25, the alternate and means axial stress for the bolt are: a) sa = 1,250 psi sm = 0 b) sa = 1,250 psi sm = 8,750 psi c) sa = 2,500 psi sm = 0 d) sa = 2,500 psi sm = 7,500 psi

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