A pressure cylinder head is held to the pressure cylinder by a pattern of 8 cap...
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A pressure cylinder head is held to the pressure cylinder by a pattern of 8 cap screws. The maximum pressure in the cylinder exerts a total gas force of 67 858.4. The screws are 12 mm and assume the screws have a proof strength of 600 MPa. The initial tightening force is specified to be 75% of the screw-proof load. The screw and clamped material stiffness are calculated to be 744 MN/mm and 1960 MN/mm. Determine: (a) Initial tension in each screw in N (b) External load per bolt in N if divided equally (c) Bolt force in N (d) Proof load in N (e) The external load per bolt that leads to the bolt load becoming equal to the proof load (I called it F*e) in (f) Load factor A pressure cylinder head is held to the pressure cylinder by a pattern of 8 cap screws. The maximum pressure in the cylinder exerts a total gas force of 67 858.4. The screws are 12 mm and assume the screws have a proof strength of 600 MPa. The initial tightening force is specified to be 75% of the screw-proof load. The screw and clamped material stiffness are calculated to be 744 MN/mm and 1960 MN/mm. Determine: (a) Initial tension in each screw in N (b) External load per bolt in N if divided equally (c) Bolt force in N (d) Proof load in N (e) The external load per bolt that leads to the bolt load becoming equal to the proof load (I called it F*e) in (f) Load factor
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Answer rating: 100% (QA)
Cylinder gas force 678584 N Number of bolts n 8 Screw diameter d 12 mm 0012 m Screw proof strength p... View the full answer
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073398242
11th edition
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
Posted Date:
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