What's Inside a Keyless Drill Chuck | How To Take Apart and Re-Assemble | Remove From CNC Taper Tool
Ғылым және технология
I take apart a jammed keyless chuck to fix it and find out what's inside. The brand is AccuPro, but the chuck is is a generic keyless chuck design, the same model/design is sold by many brands, most of which are made in China or Taiwan. The chuck was totally jammed and the body would not rotate to tighten or loosen.
I thought it was stuck due to corrosion, but when I was finally able to remove the CAT 40 taper tool holder shank, the chuck body freed up and rotated easily. The clearance between the chuck internal and external body is very tight. The jaw tips were a little bit smashed as if it had been dropped on the end. I suspect that it was indeed dropped on the tip, causing the heavy CAT40 tool holder to shove the taper hard into the drill chuck, expanding the internals just enough to jam against the external housing and preventing it from rotating.
The front cover screws off the body. Then the jaws can be removed. The jaw guide also unscrews, revealing the internal screw that moves the jaws. This screw has a reverse thread and when removed reveals through-hole access to the taper.
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The products shown here were purchased by me with the intent to use them. I did not receive any free items, and I am not being paid or compensated for this review. The video and description may contain affiliate links. If you click on a link, I may receive a commission. Money earned helps to support my channel and bring you more informative videos about engineering, crafting, and DIY.
Пікірлер: 21
I only had to take apart half of it, but it was helpful to know what thread direction the parts were. Thanks for putting this video out.
@engineerable
4 ай бұрын
You're welcome!
Great video, very detailed, much better than what I took. Learn from you
Thanks for showing this.... saved me time doing it myself on my chuck. Keep the videos coming
@engineerable
2 жыл бұрын
Your welcome. I could not find any videos or instructions on how to take these apart or how they were made. I was a bit stuck at the last part to take out the taper and remove the rear housing.
Nice clear video. Thanks.
Thanks for the video
Super helpful! Thanks
Helpful video, thanks. When I am not sure about jaw placement I try to color code the jaws to there location when removed. Assumes I am the 1st one from the factory, that is.
1:08 ...Although it doesn't matter which jaws go where, my chuck had some alignment runout and I found that alternating the 3 jaws help eliminate some of the wobble.
@engineerable
Жыл бұрын
Thanks for the tip!
Quite disappointing metal savings on slotted cone wall thickness. Jaws simply cannot be stable when clamped.
You sound like a voice actor for Rick and Morty
@engineerable
Жыл бұрын
Sounds like I'm in the wrong business! Where do I sign up?
Worth disassembling a new chuck to clean out all the factory grime and rebuild with fresh grease?
@engineerable
Жыл бұрын
Only if you enjoy doing that. I took this one apart because it was jammed after a lot of use (and probably being dropped)
@Convolutedtubules
Жыл бұрын
@@engineerable Thanks. I really enjoyed and appreciated your video and your reply. Take care!
You do NOT have to dissassemble the chuck part to remove it..! 🤣
@engineerable
7 ай бұрын
How do you remove it in this situation where it was super jammed up (someone may have dropped it and shoved the taper in so tight it stopped the chuck from rotating)?