thicklnange be!The total torque required to turn the double threaded power screw is 55 N.m. If the screw turns at 285rpm and the pitch of 4mm, find:A. The horsepower input of the power screw.B. The efficiency if the weight loaded is 10 kN.

This is consisting of Two threads twisted together in which the pitch is equal to twice the distance…

Answered: The horsepower input of the power…

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

Q 16- Find the length of a belt necessary to drive a pulley of 80 cm diameter running parallel at a distance of 12 m from the driving pulley of 480 cm diameter ?
Solve simultaneously Torque Equations 8.1 and 8.2 to find W1 and W2.
5. For the engine-transmission-propeller problem shown below, The engine generates a torque of 219lb-ft, and it is bolted to a frame at locations A and B. The transmission reverses the rotation direction. The transmission ratio is 1.5 (i.e. the propeller speed is -1/1.5 the engine speed, the minus sign indicates the change in direction). d. Sketch the free body diagram. Be sure to show the torques at the input and outputs to the different components. Note the change in the rotation direction between the engine and shaft. e. Solve for the reaction forces at the bolt supports of the engine, if the distance between them is 1 ft. Propeller Engine Reduction ratio 1.5 Engine is attached B
A chain with speed of 900 fpm has driving sprocket turns at 1000 rpm. If the pitch of chain is 3/4-in, find the number of teeth of driving sprocket. (Ans. 14 teeth)
. The mean diameter of the driving pulley for a vec-belt drive with two belts is 110 mm. The pulley groove angle is 40° and the drive transmits 4.4 kW at a speed of rotation of 1500 rev/min. The coefficient of frietion between belt and pulley 0.32, and the angle of lap is 160°. Determine the driving torque and the maximum stress in the belt material if the cross-sectional area of each belt is 120 mm.
Find the greatest and smallest values of the velocity ratio of two shafts joined with a universal coupling when the axes are at 60o to each other. Produce a graph of velocity ratio against angle for f to proof the calculated results.
Two parallel shaft 6 m apart are provided with 900 mm and 300 mm diameter pulleys and are connected by means of a cross belt .The Direction of rotation of the follower Pulley is to be reversed by changing over to an open belt drive. How much length of the belt has to be reduced.
A shaft turning 200 RPM is to drive another shaft at 250 RPM connected in open belt. Find the diameters of the two pulleys, using integral number of inches for each diameter, to give as nearly as possible a belt speed of 3500 FPM.
A pulley 610 mm diameter is driven at 300 revs/min by a belt, the tensions in the tight and slack sides of the belt being 670 N and 270 N. Find the power transmitted.
Two shafts 30 in. apart, each carrying a four-step pulley, are to be connected by a cross belt. The driving shaft is to turn 180 rpm while the driven shaft is to turn 50, 150, 250, and 600 rpm. The smallest step of the driver is 10 in. in diameter. Find (a) the diameters of all the steps, (b) angle of contact for each pair of pulleys, and (c) belt length.
Find the greatest and smallest values of the velocity ratio of two shafts joined with a universal coupling when the axes are at 60o to each other. Produce a graph of velocity ratio against angle for ? to proof the calculated results.
4. A machine shaft turning at 600 rpm is supported on bearings 30" apart. Twenty HP is supplied to the shaft through an 18" pulley located 10" to the right of the right bearing. The power is transmitted from the shaft through an 8" spur gear located 10" to the right of the left bearing. The pulley weighs 200 lb to provide some flywheel effect. The forces acting on the pulley and the gear are given in the diagram. The shaft material selected has an ultimate strength of 70,000 psi and a yield stress of 46,000 psi, determine: Reactions at the bearings b. Bending moment diagrams in the horizontal and vertical directions a. The necessary diameter in accordance with the ASME Code using Kh=1.5 and Kt = 1.0. points) с. Pulley Mt 525 lb Gear 191 lb Mt Forces on Gear 10" 20" 10" 348 lb W-200 lb 116 lb

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS

The horsepower input of the power screw. The efficiency if the weight loaded is 10 kN.