WOODTURNING-Cannonball Bowl, The One That Hit Me in My Face.
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- Опубликовано: 11 май 2024
- Here it is, the infamous bowl that came out of the Cole jaws and hit me. I still have it, I'm not mad at it. Didn't burn it like I thought about, actually it's a really cool bowl.
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The end result on the bowl, looks real nice brother. Wild Wash has good advise.
Thanks Bro!, yes he does. It took me a second to recognize his name. He gives tons of good advice in the Facebook Groups. Reminds me I need to start attending the Wed. Night zoom meetings, seems like I'm always working though.
Nice looking maple bowl. I too find myself turning without a face shield on occasion, usually I've removed it to look at detail or to have some coffee and forget to replace it, a good reminder that a good smack in the face is offensive, especially if you've done it yourself ! Hope that it was a small clip round the ear, not a full on the nose job. I too learned the hard way that on certain shapes that expansion mode is useful on the cold jaws. With you on the scrapers by the way.....
Hey bud thanks for dropping a line! Yep I was real lucky that my wake up call was a little kiss on the lips. I barely got the smallest fat lip where it got me. Hard learned lessons usually remain fresh the longest though.
With the shape of the bowl having concave sides, it would have been better to grip it with the cole jaws from the inside. It all depends on the shape. Glad it and you came out okay.
Thanks Bud, I appreciate. You and a couple others have pointed this out to me and it makes total sense now. I'm actually a little embarrassed I didn't think of it myself but I do believe it is a lesson I won't soon forget. Thanks for dropping a line and it looks like I have a new channel to check out and follow😂
My 2 cents: the shape was a bad match for the shape of the buttons - they could not grip the rim area effectively, and only the tailstock prevented the flyoff at first. Another point may be the direction and depth of the final cut without the tailstock. It appears that as the chisel was going from the outer edge towards the center that the chisel pried the bowl away from the buttons. It might have been better if the cut was much lighter, and/or from the center outwards where the chisel is pushing more towards the headstock. So far as the shape change goes, perhaps the bowl was drying as you turned it, from the friction of the chisel as it cut.
Thanks buddy for the 2 cents!🤣 I totally agree the tailstock saved me from earlier on. I normally try and do all major material removing in the cole jaws directly into the headstock, like I did with the bulk of the tenon. The cut that popped the bowl loose was as fine and small as I could take, I honestly think the bowl would have flown out even without a tools touch. Just flat out bad decision making and I accept the responsibility for it. I'm just thankful it was a needed wake up call with little consequences. Thanks for the input!
Just a few thoughts. Some pieces of wood can have different densities within them so they won't spin smoothly no matter what you do. Another thing is to check the chuck regularly because the jaws will loosen at times. A faceshield would deflect the blow of the bowl if it does come loose contrary to what you think. I have the same bumpers on my cole jaws and use them in expansion mode as well as compression. How long have you been turning?
I've been turning almost a year now. Yeah so this was quartersawn and half was sapwood and the other heartwood. This could relate to the different density like you mentioned. A turner friend from Facebook had mentioned me using those types of bumpers for expansion on a closed form also. To be honest I was quite embarrassed that though had never crossed my mind. I've watched the replay over 100x now through editing 3 different videos, the short shows it the best. I think the tool rest absorbed and slowed the velocity quite a bit. I know the shield would have deflected and I'm wearing it way way more often now, I was dismissing it only because I got a tiny bump on the inside of my lip. Extremely lucky I know, but it was enough to wake up and get out of the complacency I had fallen into. Thanks so much for your advice and taking the time to reach out to me buddy!
Couple of observations from the video. You had enough wood for 2 3" deep bowls. The worm screw dials you into one profile and prevents you from making changes on the fly. Start you roughing thru profiling between centers. Green wood w/ thick walls, sharp corners/edges lead to cracking. The difficulty you had sheer scraping on the outside is because you were scraping against the grain & causing it to lift up. Proportions: look into Golden Mean = 1.62 × or ÷ the specific profile and then join that curve together. You struggled on the base as it was too big. The Rim diameter looks to 5ish" so the base should be 3" (Rim diameter ÷ 1.62). Glad you were not hurt on the bird wood. You learned to not use cole jaws. A friction fit piece that is turned to match the inside bottom profile is the best way to clean up your bottom , add details, remove the tenon/recess. I can see the growth you made since you started. It's all time on the lathe and learning the little tricks that separate you from the others who are doing the same thing. Dane.
Thanks so much for this advice Dane, I really do appreciate it. The golden rule make sense, the proportions do look a bit off, especially the base. It's been about 3 weeks now and it's starting to develop a thin crack horizontal, I assume this is because it's QS. I'm also assuming this is what you mean with my shear scraping, the QS is a different orientation that I'm not used to. It has indeed become my passion, hopefully a lifelong one. I spend as much time as I can on my lathe, work likes to get in the way though. Thanks again for taking the time to give me some advice and watching the video!
Thank you for educating brother.
@@Daca023 your welcome buddy! That is how we get better and understand things that dont seem to work even though it seems like it should. Alwasy available to help!
@@GRIZZ357 your welcome
@WildWashWoodturning thanks bud, I do appreciate it. I just saw that Nova makes a direct 1¼ thread jumbo spur that you can even remove two of the blades if you want to. I've heard quite a few turners mention two pronged spurs for easier grain alignment, especially on the round live edge side.
How much would you charge for the bowl shipped to Australia? I suspect it'd be out of my price range, but I'd love it if you're willing to part with it.
Wow friend I'm truly honored! Unfortunately I turned it green and extra thick, right now 3 weeks after the turning its developing a hairline crack. I don't want to use CA glue and discolor it so I'm applying a few coats of tung oil to slow it down. It also has two Knicks on it, I'd like to say from when it hit me🤣 but it was from when it bounced off the lathe. I can try and get some close up pics of these so you can see. I will also research shipping today and try and get everything down as low as possible. Stay in contact and thanks for your support I'm truly thankful Jere!
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