If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm².

← Prev Question Next Question →

1 Answer

Related questions

0 votes

0 answers

If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m.

asked Jan 21 in Machine Design by Chris (48.2k 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

If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling.

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

0 votes

0 answers

If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling.

asked Jan 21 in Machine Design by Chris (48.2k points)

+1 vote

1 answer

Find the shear stress in a flange at the junction of hub in rigid flanged coupling if torsional moment is 2980N-m and diameter of hub being 125mm. Also the thickness of flange is 25mm.

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

+1 vote

1 answer

If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be?

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

0 votes

0 answers

Does shaft has to be shifted i axial direction to remove clamp coupling.

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

+1 vote

1 answer

Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm².

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

0 votes

0 answers

If allowable shear stress in the shaft is 70N/mm² and torsional and bending moments are M=1185000N-mm and m=330000N-mm, find the diameter of the shaft.

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

0 votes

0 answers

The hub is treated as a solid shaft while calculating torsional shear stress in the hub.

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

0 votes

0 answers

Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm². The diameter of shaft and width of key can be taken as 40mm and 10mm respectively.

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

0 votes

0 answers

A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So Oldham coupling can be replaced by Hooke’s coupling.

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 plate clutch consists of 1 pair of contacting surfaces. The inner and outer diameter of the friction disk is 100mm and 200mm respectively. The coefficient of friction is 0.2 and permissible intensity of pressure is 1.5N/mm². Assuming uniform wear theory, calculate the torque transmitting capacity of the clutch.

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

0 votes

0 answers

Calculate the torque supplied to the shaft.

asked 5 days ago 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

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

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

0 votes

0 answers

The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends.

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

0 votes

0 answers

A coupling is a mechanical device that temporarily joins two rotating shafts to each other.

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

+1 vote

1 answer

A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm². The semi cone angle is 12⁰. The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the maximum torque which is transmitted.

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

0 votes

0 answers

A plate clutch consists of 1 pair of contacting surfaces. The inner and outer diameter of the friction disk is 100mm and 200mm respectively. The coefficient of friction is 0.2 and permissible intensity of pressure is 1.5N/mm². Assuming uniform wear theory, calculate the operating force in the clutch.

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

0 votes

0 answers

A plate clutch consists of 1 pair of contacting surfaces. The inner and outer diameter of the friction disk is 100mm and 200mm respectively. The coefficient of friction is 0.2 and permissible intensity of pressure is 1.5N/mm². Assuming uniform pressure theory, calculate the operating force in the clutch.

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

+1 vote

1 answer

A herringbone speed reducer consist of 20 teeth pinion driving a 100 teeth gear. The normal module of gear is 2mm. The face width of each half is 30mm and Lewis factor is 0.4. If permissible bending stress is 500N/mm², then calculate the beam strength.

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

...