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8th June 2021, 02:31 AM #1Most Valued Member
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- Aug 2015
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optimal weld geometry for tractor implement
Hello everyone!
I am making an undercutter/bed lifter tractor attachment. The goal is to slide a slanted board 10-12inch (25-30cm) deep into the ground and lift the soil just enough, so that you don't need to use a shovel to dig out root crops such as garlic or carrots. This is how it looks: https://ibb.co/sHxSZVS and in action: Big Elk Garlic under cutter - YouTube
The final piece I need to decide on is how to weld the bottom lifting board to the sidewalls. There are a few options on how to do it.
The first options is to weld the sidewalls on top of lifting board - Screenshot-2 — ImgBB . The downside is that the lifting board needs to be extended over the sidewalls. How much should the lifting board be over the sidewall? I am thinking at least 15mm (5/8inch). Longer lifting board also causes slightly higher forces so this may not be optimal.
The alternative is to place the lifting board between the sidewalls - Screenshot-1 — ImgBB or Screenshot-3 — ImgBB or somewhere in between. Which configuration do you think is the hardest to break? Which electrodes do you recommend? The material I am using is hardox450, 15mm (~3/8inch) thick.
Best regards
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