Advice sought on new Mill build

[Boyan Silyavski]

Sorry for hijacking the thread , but its very interesting to me .

I gave it a lot of thought and believe i have the answer, at least for myself on my next build. My usual is "achieve maximum result with minimum materials" and easy to do it at home.

So here is what i have come with:

1. on the left is what i would do, on the right is the easier way, concerning soldering and so. Note that on the left side each cross is done separately and rotated 90 degree to the previous. The profile is 100x100x4, i don't believe bigger is needed.




2. The results in weight





3. So the final result , now taken in account the cut loss when cutting the 6m beam. Additional benefit is that can be used plates 100x10, for ease of soldering. So final size 300x300mm. Weight can slide at the back or additional extension of the plates could be made, without compromising the basic structure.

As you can see we are talking about 150kg total weight, easy to do and something like many many more times than the initial design. Also all the mixture of small stresses of soldering + the cellular structure will kill all vibrations at the same time the hollow place behind the rails will absorb the vibrations into the beam.

And as for the braces near the bottom, understand that if done correctly a structure needs only small braces to protect the soldering and the forces to go there smoothly. With the above design you will need only triangles with sides 100 and 100mm. if the base is done correctly i mean.




I don't know what you think, but i don't see how can be done better with less weight and easier. I am happy with the exercise.