Calculating Square Tubing Dimensions for Vertical Bicycle Support

In summary, the standard sizes for square tubing vary and typically range from 1" to 4" in width and 0.065" to 0.250" in wall thickness. Square tubing dimensions are measured by width and wall thickness, with the width being measured from the outside edges and the wall thickness being measured from one inside edge to the opposite inside edge. There is a difference between nominal and actual dimensions, with nominal dimensions being approximate and actual dimensions being exact. Specific tolerances exist for square tubing dimensions, which can range from +/- 0.005" to +/- 0.030". Square tubing dimensions can also be customized to fit specific project requirements, but this may require additional lead time and cost.
  • #1
drianengelbre
1
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I would like to know which calculations to use to determine the dimensions, including the thickness of square tubing that needs to carry a load of 6 bicycles each weighing 18kg. The bicycles are vertically suspended from the tubing and the support is in the middle of the tubing so the ends are free.
 
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  • #2
drianengelbre: (1) What is the spacing (a2) between each bicycle centerline? (2) What is the spacing (a1) between the inboard bicycle centerline and the vertical post centerline? (3) What is the square tubing material, and the material specification number, and tensile yield strength? (4) Is this a school homework problem?
 

1. What are the standard sizes for square tubing?

The standard sizes for square tubing vary depending on the application and region, but some common sizes include 1", 1.5", 2", 3", and 4" widths. The wall thickness can also vary, but is typically between 0.065" and 0.250".

2. How are square tubing dimensions measured?

Square tubing dimensions are measured by the width and wall thickness. The width is typically measured from the outside edges of the tube, while the wall thickness is measured from one inside edge to the opposite inside edge.

3. What is the difference between nominal and actual square tubing dimensions?

Nominal dimensions are the approximate size of the square tubing, while actual dimensions are the exact measurements. For example, a 1" square tubing may have a nominal size of 1", but its actual size may be slightly smaller due to the manufacturing process.

4. Are there specific tolerances for square tubing dimensions?

Yes, there are specific tolerances for square tubing dimensions. These tolerances can vary depending on the size and type of tubing, but typically range from +/- 0.005" to +/- 0.030". It is important to consult the manufacturer or supplier for specific tolerances for your project.

5. Can square tubing dimensions be customized?

Yes, square tubing dimensions can be customized to fit specific project requirements. This can include different sizes, wall thicknesses, and even shapes. Customization may require additional lead time and cost, so it is important to plan accordingly.

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