Which bolt is used a criterion for designing?

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Which bolt can be used as criteria for designing?

asked Jan 23 in Machine Design by Carter (86.7k points)

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asked 3 days ago in Machine Design by Carter (86.7k points)

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Determine the size of bolts using maximum shear stress theory.

asked 3 days ago in Machine Design by Carter (86.7k points)

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If distance between the bolts from the axis of tilting is 125mm and 25mm, then find the effective tensile force acting on the bolts lying at 125mm from tilting axis.

asked 6 days ago in Machine Design by Carter (86.7k points)

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Which bolt is under maximum stress if dowel pins are used to relieve cap screws from shear stress?

asked 6 days ago in Machine Design by Carter (86.7k points)

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Determine the secondary shear stress acting on the bolt 3 and its direction. The bolts are equidistant having separated by 60mm and the margin to the left and right is 25mm.Also P=5kN acts at a distance of 200mm from the channel.

asked Jan 23 in Machine Design by Carter (86.7k points)

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Which bolt is under maximum shear stress?

asked 5 days ago in Machine Design by Carter (86.7k points)

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If core diameter of bolt is 13.8cm the it’s nominal diameter is given by?

asked 5 days ago in Machine Design by Carter (86.7k points)

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Refer to fig 1. Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the size of the bolts.

asked 5 days ago in Machine Design by Carter (86.7k points)

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asked 6 days ago in Machine Design by Carter (86.7k points)

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Shank is the portion of bolt between the head and the thread.

asked 6 days ago in Machine Design by Carter (86.7k points)

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Determine the angle θ so that the force in the bolt 1 has maximum value.

asked Jan 23 in Machine Design by Carter (86.7k points)

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How many types of jacks are there which can be used in a screw jack?

asked 3 days ago in Machine Design by Carter (86.7k points)

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If for a trapezoidal thread, angle of thread is 15’ then what will be the replacement of the coefficient of friction which is 0.15.

asked Jan 23 in Machine Design by Carter (86.7k points)

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the overall efficiency if nominal diameter=22mm and pitch=5mm.

asked 3 days ago in Machine Design by Carter (86.7k points)

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What is the output from differential screws when pitch of the two screws is 12mm and 8mm? Also the nut is rotated by applying a force of 120N at a radius of 300mm and the two screws remain stationary. The torque of raising and lowering for the two screws is 5k N-mm and 2.5k N-mm where k is the effective axial weight on the screw.

asked 6 days ago in Machine Design by Carter (86.7k points)

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For a double threaded screw, what will be the tangent of helix angle if nominal diameter and pitch are 100mm and 12mm respectively?

asked Jan 23 in Machine Design by Carter (86.7k points)

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the clamping force W if nominal diameter=22mm and pitch=5mm.

asked Jan 23 in Machine Design by Carter (86.7k points)

+1 vote

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What is the efficiency of differential screws when pitch of the two screws is 12mm and 8mm? The nut is rotated by applying a force of 120N at a radius of 300mm and the two screws remain stationary. The torque of raising and lowering for the two screws is 5k N-mm and 2.5k N-mm where k is the effective axial weight on the screw.

asked Jan 23 in Machine Design by Carter (86.7k points)

+1 vote

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A machine vice whose length of the handle is 150mm and the coefficient of friction for thread and collar are 0.15 and 0.17 respectively has a force applied at handle of 125N. Also the outer and inner diameters of collar are 55mm and 45mm respectively. Find the collar torque in terms of clamping force W assuming uniform wear theory if nominal diameter=22mm and pitch=5mm.

asked Jan 23 in Machine Design by Carter (86.7k points)

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Which of the following are good for parts that are seldom dismantled.

asked Jan 23 in Machine Design by Carter (86.7k points)

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A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the core diameter of cap screw if permissible tensile stress in cap screw is 40N/mm².

asked Jan 23 in Machine Design by Carter (86.7k points)

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