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Modern chucks are much less likely to loosen as long as you give them a good torquing down. I am willing to give this thing a test to see how it performs in reality.
EDIT: and in my experience, a keyed Jacob’s chuck on a vintage drill from the late 1960’s was also unlikely to let-loose if adequately torqued with the key. In fact, I find the loosening usually happens most common with modern drills with brakes that come to a hard stop when the chuck is not adequately tightened.
It only took a minute or two to get the bit unfrozen using the 50/50 ATF/acetone mix. It didn’t even put up a fight. Then it took me a couple hours to get it back to perfect working health.
The beam had several knicks from floating around and getting banged into by tools at salvage. It was thrown around quite a bit over the course of the week it spent at salvage before it came to me for some much needed love. I used a fine file and draw-filed the beam to remove any high spots and got the center pivot moving clean along the beam. I also removed all the grime using isopropyl and a brass wire brush by hand.
But now I have to go pick up laundry, food, run errands, take out the dog, feed the baby, … non-shop stuffs. Will cut a beefy circle another day. Looking forward to it.
You can see in the video above it looks to run really smooth. That’s just with some 3-in-1 oil after cleaning it up.
EDIT: and in my experience, a keyed Jacob’s chuck on a vintage drill from the late 1960’s was also unlikely to let-loose if adequately torqued with the key. In fact, I find the loosening usually happens most common with modern drills with brakes that come to a hard stop when the chuck is not adequately tightened.
It only took a minute or two to get the bit unfrozen using the 50/50 ATF/acetone mix. It didn’t even put up a fight. Then it took me a couple hours to get it back to perfect working health.
The beam had several knicks from floating around and getting banged into by tools at salvage. It was thrown around quite a bit over the course of the week it spent at salvage before it came to me for some much needed love. I used a fine file and draw-filed the beam to remove any high spots and got the center pivot moving clean along the beam. I also removed all the grime using isopropyl and a brass wire brush by hand.
But now I have to go pick up laundry, food, run errands, take out the dog, feed the baby, … non-shop stuffs. Will cut a beefy circle another day. Looking forward to it.
You can see in the video above it looks to run really smooth. That’s just with some 3-in-1 oil after cleaning it up.
