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[#TRADESHOW] The 25th #Shanghai #International #Lubricants and #Technology #Exhibition (Inter #Lubric #China) will be held from June 9 to 11, 2026, at Shanghai New International #Expo #Center. As a #leading lubricants #trade #exhibition in China, the #event serves the lubricants, #greases, #metalworking #fluids, and #surface #cleaning technology #sectors, bringing together #suppliers, #manufacturers, #business, and #distributors across the full #ValueChain. https://cnbusinessforum.com/event/25th-shanghai-international-lubricants-and-technology-exhibition-inter-lubric-china-2026/
Y⃒̸̷̝̜̙ͥͥͥngmarThis just came (three days from a warehouse in Poland), so the money saved by making my own thumb got immediately reinvested 😆
It's bigger, heavier and louder than expected, but it cuts steel like butter.
Should make the next project much faster and my cuts more precise. And I don't need to use my mildly sketchy angle grinder tube cutting rig anymore.
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[#TRADESHOW] The 25th #Shanghai #International #Lubricants and #Technology #Exhibition (Inter #Lubric #China) will be held from June 9 to 11, 2026, at Shanghai New International #Expo #Center. As a #leading lubricants #trade #exhibition in China, the #event serves the lubricants, #greases, #metalworking #fluids, and #surface #cleaning technology #sectors, bringing together #suppliers, #manufacturers, #business, and #distributors across the full #ValueChain. https://cnbusinessforum.com/event/25th-shanghai-international-lubricants-and-technology-exhibition-inter-lubric-china-2026/
Thumb test drive.
Works great! Picks up logs and concrete beams and even delicate stuff such as steel beams. I'm well pleased with the result 😸
The huge concrete beam weighs somewhere beyond 8 tons and is too heavy for our little digger, but it can grip it and drag it around. The thumb and fangs easily withstand the full force of the bucket curl cylinder.
#DIY #ExcavatorThumb #Welding #Metalworking #Homestead #SalvagePunk #Drilling
Thumb ready. Finished making the pins and adjuster holes.
Didn't weld tubes inside the other holes. We'll see how they hold up. If they do oval out I can still do that, for the ones I use a lot.
I see now why nobody sells adjustable thumbs. This was a lot of extra work that would make it too expensive. Only DIYers get to have it :)
Only primer on there yet, still need to paint it but only have orange, blue and green available, none of which match well here.
#DIY #ExcavatorThumb #Welding
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Thumb is getting there. Cut off the corners, flipped them around and welded them back on as reinforcements, now the whole thing looks more streamlined. I think it'll be strong enough without doubling up the thickness near the fangs.
If they break I'll do it :)
Also made two pins out of three. This is the dullest job in the world, drilling a 8mm hole through 25mm solid rod, but the pins I bought weren't long enough after some design tweaks. At least it's not stainless steel!
#DIY #ExcavatorThumb #Welding #Metalworking #Homestead #SalvagePunk #Drilling
[#TRADESHOW] The 25th #Shanghai #International #Lubricants and #Technology #Exhibition (Inter #Lubric #China) will be held from June 9 to 11, 2026, at Shanghai New International #Expo #Center. As a #leading lubricants #trade #exhibition in China, the #event serves the lubricants, #greases, #metalworking #fluids, and #surface #cleaning technology #sectors, bringing together #suppliers, #manufacturers, #business, and #distributors across the full #ValueChain. https://cnbusinessforum.com/event/25th-shanghai-international-lubricants-and-technology-exhibition-inter-lubric-china-2026/
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Teeth! Got some spare teeth for a spring-tooth harrow. So in theory they should be pretty durable.
Special challenge: Cutting curves with an angle grinder 😆
My tack welds did not withstand hydraulic gripping power and the teeth flew off at the first test, so I welded them on properly to try picking up a small concrete beam.
Clearly when its done I will need some practice with this new thumb as I picked up way too much soil with the beam. The thumb works though 🥳
Bunch more detail work to do, make holes for the other adjustment points, finish the pins, cut excess material off the sides and weld reinforcement pieces for the fangs. Maybe some serrated "back teeth".
#DIY #ExcavatorThumb #Welding #Metalworking #Homestead #SalvagePunk
