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.

Question

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.

← Prev Question Next Question →

1 Answer

Related questions

0 votes

0 answers

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)

0 votes

0 answers

Determine the diameter of the bolts used in rigid flange coupling if transmitted torque is 270N-m, pitch circle diameter=125mm and four bolts are emplace in the coupling. Permissible shear stress in the bolts is 70N/mm².

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

0 votes

0 answers

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)

+1 vote

1 answer

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)

+1 vote

1 answer

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)

0 votes

0 answers

With reference to figure 1, a plate, 75mm wide and 10mm thick, is joined with another plate as shown. The permissible tensile and shear stress in the welds are 50/mm² and 40N/mm². Determine the required length of each parallel fillet weld if length of transverse weld is 40mm.

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

0 votes

0 answers

If no re boring allowance is to be given, then thickness of cylinder wall is max pressure is 3.5N/mm², bore diameter=200mm and permissible tensile stress is 40N/mm².

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

+1 vote

1 answer

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)

0 votes

0 answers

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)

0 votes

0 answers

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)

+1 vote

1 answer

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

1 answer

Find the radius of Mohr circle which can be made from the shear stress and tensile stress acting on bolts.(Consider bolt under max stress and area of bolt is A)

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

0 votes

0 answers

The bracket welded to the vertical plate by means of two fillet welds. Calculate size of the welds if P=40kN, leg=4mm and e=400mm. Maximum permissible value of shear stress in the weld is 70N/mm².

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

0 votes

0 answers

Calculate the diameter of the rivets if permissible shear stress is 60N/mm². Bolts are separated by 100mm and force P=30kN.

asked 4 days ago in Machine Design by Carter (86.7k points)

0 votes

0 answers

Certain types of radial bearings can also take thrust load.

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

0 votes

0 answers

Which of the following statements are true about eccentrically loaded circular base?

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

+1 vote

1 answer

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)

0 votes

0 answers

Calculate width of the band if permissible tensile stress is 80N/mm². Force P=15kN and diameter of the rivet can be taken as 9mm. Given thickness=3mm

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

0 votes

0 answers

A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Also longer arm is of length 500mm. If permissible bearing pressure on pin is 10N/mm² and diameter of the 20mm, find the shear stress in the pin.

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

0 votes

0 answers

If bending stress in a screw is of magnitude 95N/mm² and torsional shear stress of magnitude 15N/mm², then what is the principal shear stress?

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

+1 vote

1 answer

If knuckle joint is to fail by crushing failure of pin in fork, then determine the diameter of knuckle pin when 50kN axial tensile force act on rods. Given: Max allowable compressive stress=25N/mm², thickness of each eye of fork=25mm.

asked Jan 22 in Machine Design by Carter (86.7k points)

0 votes

0 answers

Calculate the diameter of the rivets by shear considerations if permissible shear stress in rivets is 60N/mm² and P=15kN.

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

0 votes

0 answers

Referring to figure 1, determine the required length of the weld joining two steel plates which are 10mm wide and 10mm thick. The permissible shear stress in the weld is 80N/mm²

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

0 votes

0 answers

A curved beam with eccentricity 0.02D is loaded with 1kN.Centroidal radius=4D and inner and outer radii are 3.5D and 4.5D respectively. Area of cross section is 0.8D². Find the dimension D if allowable stress is 110N/mm² and considering only direct tensile stress.

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

+1 vote

1 answer

In a differential screw, two screws are connected in series such that the resultant motion is the summation of the motion of the two screws.

asked Jan 21 in Machine Design by Carter (86.7k points)

Chris · Answer 1 · 2026-01-27T13:53:15+0000

The correct choice is (c) 12.33mm

To elaborate: Maximum tensile force=4777.6N or πd² x σ/4=4777.6N.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions

Categories