Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
6th Edition
ISBN: 9780134441184
Author: Robert L. Mott, Edward M. Vavrek, Jyhwen Wang
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
thumb_up100%
Chapter 3, Problem 86P
To determine
The force that a clamp can exert for a design factor of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
For the spring assemblages shown in Figures P2–8 through P2–16, determine the nodal displacements, the forces in each element, and the reactions. Use the direct stiffness method for all problems.
Figure Q3 shows a steel bar of diameter 16 mm and length 600 mm subjected to axial forces.If E = 210×103 N/mm2for steel, determine the change in its length.
3. A cylindrical metal rod of 50mm diameter and 3m length is subjected to a tensile load of 150KN. To what length the cylinder should be centrally bored on one side to reduce weight by material removal, so that the total extension will increase by 20 percent under the same pull. The diameter of the hole being bored on one side is equal to 25mm. Take E= 200GPa.
Chapter 3 Solutions
Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
Ch. 3 - A tensile member in a machine structure is...Ch. 3 - Compute the stress in a round bar having a...Ch. 3 - Compute the stress in a rectangular bar having...Ch. 3 - A link in a packaging machine mechanism has a...Ch. 3 - Two circular rods support the 3800 lb weight of a...Ch. 3 - A tensile load of 5.00 kN is applied to a square...Ch. 3 - An aluminum rod is made in the form of a hollow...Ch. 3 - Compute the stress in the middle portion of rod AC...Ch. 3 - Compute the forces in the two angled rods in...Ch. 3 - If the rods from Problem 9 are circular, determine...
Ch. 3 - Repeat Problems 9 and 10 if the angle is 15 .Ch. 3 - Figure P312 shows a small truss spanning between...Ch. 3 - The truss shown in Figure P313 spans a total space...Ch. 3 - Figure P314 shows a short leg for a machine that...Ch. 3 - Consider the short compression member shown in...Ch. 3 - Refer Figure P38 . Each of the pins at A, B, and C...Ch. 3 - Compute the shear stress in the pins connecting...Ch. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - Compute the torsional shear stress in a circular...Ch. 3 - If the shaft of Problem 22 is 850 mm long and is...Ch. 3 - Compute the torsional shear stress due to a torque...Ch. 3 - Compute the torsional shear stress in a solid...Ch. 3 - Compute the torsional shear stress in a hollow...Ch. 3 - Compute the angle of twist for the hollow shaft of...Ch. 3 - A square steel bar, 25 mm on a side and 650 mm...Ch. 3 - A 3.00 in-diameter steel bar has a flat milled on...Ch. 3 - A commercial steel supplier lists rectangular...Ch. 3 - A beam is simply supported and carries the load...Ch. 3 - For each beam of Problem 31, compute its weight if...Ch. 3 - For each beam of Problem 31, compute the maximum...Ch. 3 - For the beam loading of Figure P334, draw the...Ch. 3 - For the beam loading of Figure P334, design the...Ch. 3 - Figure P336 shows a beam made from 4 in schedule...Ch. 3 - Select an aluminum I-beam shape to carry the load...Ch. 3 - Figure P338 represents a wood joist for a...Ch. 3 - For Problems 39 through 50, draw the free-body...Ch. 3 - Prob. 40PCh. 3 - For Problems 39 through 50, draw the free-body...Ch. 3 - Prob. 42PCh. 3 - Prob. 43PCh. 3 - Prob. 44PCh. 3 - For Problems 39 through 50, draw the free-body...Ch. 3 - For Problems 39 through 50, draw the free-body...Ch. 3 - For Problems 39 through 50, draw the free-body...Ch. 3 - For Problems 4850, draw the free-body diagram of...Ch. 3 - For Problems 4850, draw the free-body diagram of...Ch. 3 - Prob. 50PCh. 3 - Compute the maximum tensile stress in the bracket...Ch. 3 - Compute the maximum tensile and compressive...Ch. 3 - For the lever shown in Figure P353 (a), compute...Ch. 3 - Compute the maximum tensile stress at sections A...Ch. 3 - Prob. 55PCh. 3 - Refer to Figure P38. Compute the maximum tensile...Ch. 3 - Prob. 57PCh. 3 - Refer to P342. Compute the maximum stress in the...Ch. 3 - Refer to P343. Compute the maximum stress in the...Ch. 3 - Prob. 60PCh. 3 - Figure P361 shows a valve stem from an engine...Ch. 3 - The conveyor fixture shown in Figure P362 carries...Ch. 3 - For the flat plate in tension in Figure P363,...Ch. 3 - For Problems 64 through 68, compute the maximum...Ch. 3 - For Problems 64 through 68, compute the maximum...Ch. 3 - For Problems 64 through 68, compute the maximum...Ch. 3 - For Problems 64 through 68, compute the maximum...Ch. 3 - Prob. 68PCh. 3 - Figure P369 shows a horizontal beam supported by a...Ch. 3 - Prob. 70PCh. 3 - Prob. 71PCh. 3 - The beam shown in Figure P372 is a stepped, flat...Ch. 3 - Figure P373 shows a stepped, flat bar having a...Ch. 3 - Figure P374 shows a bracket carrying opposing...Ch. 3 - Prob. 75PCh. 3 - Figure P376 shows a lever made from a rectangular...Ch. 3 - For the lever in P376, determine the maximum...Ch. 3 - Figure P378 shows a shaft that is loaded only in...Ch. 3 - Prob. 79PCh. 3 - Prob. 80PCh. 3 - A hanger is made from ASTM A36 structural steel...Ch. 3 - A coping saw frame shown in Figure P382 is made...Ch. 3 - Prob. 83PCh. 3 - Figure P384 shows a hand garden tool used to break...Ch. 3 - Figure P385 shows a basketball backboard and goal...Ch. 3 - Prob. 86P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Question 4A close-coiled helical spring is to have a stiffness of 90 kN/m and is to exert a maximum force of 3.7 kN. If the mean diameter of the coils is 80 mm, and the maximum stress is not to exceed 300 MPa, calculate the required number of coils and the diameter of the steel rod from which the spring should be made (G=80 GPa).arrow_forward(a) What are the internal forces F1 and F2 in rods (1) and (2), respectively? Use the sign convention for internal axial forces. in kN (b) Determine the cross-sectional area for the rods. in mm^2 (c) If there were no temperature change, what would be the elongations δ1,P and δ2,P of rods (1) and (2), respectively, due to the load P? in mm (d) If there were no temperature change, what would be the magnitude of the horizontal deflection at end C of the compound rod due to load P? (e) Compute the change in temperature required to produce zero horizontal deflection at end C of the compound rod. Enter a positive value for a temperature increase, or a negative value for a temperature decrease. in degrees celciusarrow_forwardWhen in tune, a steel banjo string has a tension of 1300 N. If the ultimate tensile strength of the string is 600 MPa. What must be the minimum cross sectional area of the string so that it does not break?arrow_forward
- The figure Q3 below shows a bolt holding together two components. The bolt has a loadbearing diameter of 6mm and a pitch of 1mm. It is made from steel with E=210 GPa. It istightened 5 degrees beyond normal contact. The hole it passes through is 8mm diameter andits clamping force is distributed to a diameter of 16mm.a) Determine an equation for the deflection of the bolt when in contact with component 1and component 2 as function of axial load? b) Write an equation for the deformation of component 1 in contact with both the bolt andcomponent 2 as a function of axial loading. c) Present an equation for the deflection of component 2 in contact with both component 1and the bolt as a function of axial loading.d) Establish a compatibility relationship for the deformation of structure in Fig. 3 e) Determine the force being exerted on component 1 and component 2arrow_forwardThe figure below is a schematic drawing of a shaft that supports two V-belt pulleys. The loose belt tension on the pulley at A is 15% of the tension on the tight side. The shaft material has a yield strength of 300 MPa and an ultimate tensile strength of 520 MPa. Calculate the shaft diameter.arrow_forwardA metal rod of length L=8.88 has only three forces applied to it in the directions shown in the diagram below. Force #2 is applied at the midpoint of the rod. If the rod is in static equilibrium and the magnitude of force #1 is 7.15, what is the magnitude of force #2?arrow_forward
- What will be the minimum diameter of a steel wire, which is used to raise a load of 4000N if the stress in the rod is not to exceed 95 MN/m²?arrow_forward(a)Describe, with a labelled diagram, how you would measure accurately theextension of such a wire under an applied load. (b) The graph below shows how the extension of a wire varies with the loadapplied to it. The wire used has a length of 3m and a diameter of 5 x 10^-4m i. Calculate the tensile stress produced by a load of 50N.ii. Find the energy stored in the wire when the load is acting.iii. Calculate the reduction in gravitational PE of a 5kg mass used to providethe load.iv. Calculate Young's modulus for the metal of the wire.arrow_forward(5) A gas engine valve spring is loaded to 35kgf when the valve is closed & 52kgf hen the valve is open. The valve lift is 8mm. The outside diameter is to be from 38mm~45mm, & the permissible stress is 413N/mm2 . Determine: (a) the wire & outside diameter; (b) the number of effective coils; (c) the free length when it is squared & ground.arrow_forward
- Oil-tempered wire of 5 mm diameter is used to make a helical compression spring shown in Figure3. The spring index would be, C = 12. The spring will be operated inside a bore, therefore bucklingis insignificant. Both ends are left plain. The spring free length is 100 mm. An axial force of 75 Nshould deflect the spring by 10 mm.arrow_forwardlet d={{.006, .002, .001},{.002, .004, .002},{.001, .002, .006}} be a flexibility matrix, with flexibility measured in inches per pound, and forces being applied at points 1, 2, and 3. Compute the stiffness matrix D^-1. List the forces needed to produce a deflection of .05in. at point 3, with zero deflections at the other points.arrow_forwardA motor (located at C) provides 50kW of power which is then used by pulleys A and B. When the motor is running, the transmission shaft (which is made of Cr-Ni steel and has a diameter of 5cm) starts rotating at a speed of 200 rpm. 1) Find the moment of force at pulleys A, B and C. 2) Find the torque in each section (between the pulleys). 3) What is the safety factor of the driveshaft on the ultimate limit?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning