How to Design Bolts and Through Rods for Mounting Brackets on Columns?

In summary, the conversation is about a mechanical engineering student working as an intern in a crane manufacturing company. They have been given the task of placing a bracket for a monorail crane on a column with a maximum load of 45567 Newtons. The student is seeking help with the design calculations and selecting bolts and nuts. They are advised to draw a dimensioned diagram and free-body diagram, compute the forces and moments applied to the joint, and perform a bolt pattern analysis. The student is also reminded to use proper grammar, punctuation, and spelling and to use correct capitalization for units.
  • #1
ibrahimmaster
1
0
hi ,
I am a student of mechanical engg. n I am doing internship in a crane manufacturing company , i was given a task of placing a bracket for monorail crane on a column . . the max. load for one bracket is 45567Newtons . i have to use bolts or through rods to mount this bracket on a column of width 1450 mm . can anyone pless help in how to do the design calculations and also how to choose the bolts and nuts
 
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  • #2
ibrahimmaster: First, draw a dimensioned diagram of your proposed design, and draw a dimensioned free-body diagram (FBD). Next, using your FBD, compute the forces and moments applied to the joint. After that, perform a bolt pattern analysis, to compute the stress on the bolts. You will need to use your background knowledge from university. State the bolt (and through rod) material tensile strength property class, or state the bolt (and through rod) material specification name and number.

By the way, text messaging shorthand is not allowed on Physics Forums (PF). Correct grammar, punctuation, spelling, and capitalization are required. See the PF rules. There is no space before a comma nor before an end-of-sentence period (but there is one space after).

Also, Newton is a man, whereas Newton (N) is a unit of force. Always use correct capitalization for units. And always leave a space between a numeric value and its following unit symbol. E.g., 45567 Newtons, not 45567Newtons. Or e.g., 45567 N, not 45567N.
 

1. What is a bolt and through rod design?

A bolt and through rod design is a method of connecting two or more components together using bolts and through rods. This type of design is commonly used in construction, machinery, and other applications where strong and secure connections are necessary.

2. What are the advantages of using a bolt and through rod design?

One advantage of this design is its ability to withstand high levels of tension and compression. It also allows for easy disassembly and reassembly of components, making maintenance and repairs more efficient. Additionally, this design is relatively simple and cost-effective.

3. What factors should be considered when designing with bolts and through rods?

When designing with bolts and through rods, factors such as the size and strength of the bolts and rods, the material and thickness of the components being connected, and the load and stress the connection will experience must be taken into account. It is also important to properly torque the bolts and ensure they are aligned and tightened correctly to avoid failure.

4. Can different types of bolts and through rods be used in the same design?

Yes, as long as they are compatible in terms of size and strength. Different types of bolts and through rods, such as hex bolts, carriage bolts, and threaded rods, can be used together in a design as long as they meet the necessary requirements for the specific application.

5. Are there any alternatives to using bolts and through rods for connections?

Yes, there are other methods for connecting components, such as welding, adhesives, and rivets. However, bolts and through rods are often preferred due to their versatility, ease of use, and ability to withstand high levels of stress and vibration.

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