Design of Bolted Joints Numerical 3 Part 1 - Design Against Static Loads - Machine Design I

TL;DR

Designing a bolt for a given arrangement with a 40 kilo Newton force and eccentric distances provided.

Transcript

click the bell icon to get latest videos from ekeeda hello friends welcome back to the subject of machine design one we are right now learning the design part of voltage joints in last two videos we have seen the design of voltage joins considering two different aspects case number one and case number two in today's session we are going to look at ... Read More

Key Insights

• 🎨 Case number three in voltage joint design involves designing a bolt for a given arrangement with a specific force and eccentric distances.
• 📁 The direct tensile force (ft1) is calculated by dividing the force by the total number of bolts.
• 🥡 The secondary tensile force (ft2) takes into account the resultant force caused by tilting action and the length of each bolt.
• 💦 The design process considers both the direct and secondary tensile forces to ensure safe working conditions for the voltage joints.
• ⚡ Lengths of bolts and eccentric distances are important parameters in voltage joint design.
• 🧑‍🏭 Material data and factor of safety need to be determined for the design process.
• 🥺 The load in voltage joints is in the same direction as the bolt axis, leading to direct and secondary tensile forces.

Questions & Answers

Q: How is the design of voltage joints approached in this video?

The video covers case number three, where a bolt is designed for a given arrangement. Factors such as force, eccentric distances, and bolt locations are considered during the design process.

Q: What are the direct and secondary tensile forces?

The direct tensile force (ft1) is the force divided by the total number of bolts, while the secondary tensile force (ft2) is calculated using the resultant force caused by the tilting action and the lengths of the bolts.

Q: How is the secondary tensile force calculated for bolt number two and three?

The secondary tensile force (ft2) is calculated by multiplying the force by the length of bolt number two or three, divided by the sum of the squared lengths of all the bolts.

Q: What is the purpose of considering the secondary tensile force?

The secondary tensile force accounts for the tilting action, causing different stresses on the bolts. It is important to consider both the direct and secondary tensile forces to ensure the safe design of the voltage joints.

Summary & Key Takeaways

• This video focuses on the design of voltage joints, specifically case number three, which involves designing a bolt for a given arrangement.

• The problem statement includes a 40 kilo Newton force and the locations and eccentric distances of the bolts.

• The video explains the calculation of the direct tensile force (ft1) and the secondary tensile force (ft2) caused by tilting action.