A metal disc of 50 mm diameter is to be punched from a sheet of 5 mm thickness. The punch and the diameter clearance is 3%. Determine required punch diameter ?
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- SHOW YOUR COMPLETE SOLUTIONHi, the diameter is 10 mm in my problem, not 15 mm.A circular shape blank will be cut of mm diameter from a strip of mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine The appropriate punch diameter.Blanking force.Blanking force when the blade angle A circular shape blank will be cut of mm diameter from a strip of mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine The appropriate punch diameter.Blanking force.Blanking force when the blade angle is o.
- Manufacturer process A compound die will be used to blank and punch a large rectangle (90x150mm blank dimensions) out of 6061ST aluminum alloy sheet stock 3.5 mm thick. The diameter of inside hole is 25 mm. The aluminum sheet metal has a tensile strength = 310 MPa. Determine the minimum tonnage press (force) to perform the blanking and punching operation (1) assume that blanking and punching occur simultaneously and (2) assume that punching occurs first, then blanking. Take: Ac=0.06What firce is requure to punch off 5 mm hole out of a 4 mm thick plate if the ultimate punching stress is 200 MPa ?A circular shape blank will be cut of 105 mm diameter from a strip of 3.3 mm with a clearance value of 0.25 mm. Take the shear strength as 400 MPa. Determine The appropriate punch diameter. Blanking force. Blanking force when the blade angle is 5.5
- 20. A forging process is shown at the figure below. Calculate the final diameter, if the initial diameter, initial height and final height are 20mm, 60mm and 40mm, respectively. FORCE ho hQuestion 4 a) Each cylinder in a four-cylinder car engine has a bore diameter of 63.53 mm and the stroke for each piston is 175.00 mm. Calculate the cubic capacity of the engine in cm? and calculate the clearance volume per cylinder for a compression ratio, r, of 6.25. b) The bore diameter of each cylinder in a six-cylinder four-stroke internal combustion engine is 32 mm and the stroke of each piston is 125 mm. During testing., the engine runs at 1450 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 2.90 cm and a diagram length of 0.85 cm. The pressure scale on the indicator diagram is set to 165 kN/m per cm. Calculate the mean effective pressure (m.e.p) and the indicated power in kilowatts (kW) developed by this six-cylinder four-stroke engine. Give your answer to 2 decimal c) A hollow connecting rod has an inner diameter of 26.25 mm and is subjected to an axial tensile load of 500 MN. If the maximum allowable stress for this hollow rod…Can subsection vii and onwards be solved please?
- Question 4 a) Each cylinder in a four-cylinder car engine has a bore diameter of 63.53 mm and the stroke for each piston is 175.00 mm. Calculate the cubic capacity of the engine in cm3 and calculate the clearance volume per cylinder for a compression ratio, r, of 6.25. b) The bore diameter of each cylinder in a six-cylinder four-stroke internal combustion engine is 32 mm and the stroke of each piston is 125 mm. During testing, the engine runs at 1450 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 2.90 cm² and a diagram length of 0.85 cm. The pressure scale on the indicator diagram is set to 165 kN/m² per cm. Calculate the mean effective pressure (m.e.p) and the indicated power in kilowatts (kW) developed by this six-cylinder four-stroke engine. Give your answer to 2 decimal places. c) A hollow connecting rod has an inner diameter of 26.25 mm and is subjected to an axial tensile load of 500 MN. If the maximum allowable stress for this…Find the process tolerance for blanking o 40 piece from 2 mm thick mild steel Sheet. (Take minimum die clearance of 2% per side)2) A washer is going to be manufactured by cutting operation out of 2024ST aluminum alloy sheet that has a thickness of 2.5 mm. The outside diameter of the washer is 25.0 mm, and the inside diameter is 12.0 mm. Make a rough sketch, define the geometries to be used and determine a. The punch and die size for the blanking operation b. The punch and die size for the punching operation c. The force required performing the blanking and punching operation simultaneously. The aluminum has a tensile strength = 300 MPa.