Do Expensive Magnets Make Better Woodworking Projects?
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- Опубликовано: 30 ноя 2024
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Do more expensive magnets make for better woodworking projects? I personally use cheap magnets off amazon. I don't think for this use case it makes sense to buy the expensive ones!
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For those that kinda (not totally but kinda) blasted Hamilton.... ok, he is not a magnet expert. BUT (big but there) he is providing us a chance to learn and a forum to discuss magnets. I generally only use magnets on cribbage boards because where I get them HF they are cheaper than cheap and they do the job but thanks to some of the folks mentioning totalelement I will be able to get magnets for my current project... to hold panels onto my outfeed/assembly table where I don't want handles. For that I thank you all and thank you to Hamilton for bringing up such a timely subject for me... I had zero idea about magnet strength and how they were measured-so thank you to the comment posters. Much appreciation to all!
FYI, I have some cheap HF plastic calipers to measure magnets. I got tired of magnetizing my good calipers. Thanks for the video.
Brother you are headed toward that silver play button before much longer. Congrats! I remember when you first broke 6k subscribers.
Great narration, great editing, nice idea, the only problem with this video is that I couldn't pay someone money to come up with a worse way of comparing magnets at different price points.
He does CNC work and a lot of tool holding projects on his channel. I think it’s totally relatable to his audience.
@@scottburton73
The problem is he seems to have no idea about magnets, and that's completely fine, but then he shouldn't be the one comparing them. No mention of material types, no mention of N-Ratings, no mention of how the format affects the field strength in certain positions.
You don't buy magnets by price. They don't get better with price. You buy them by format and then "strength" rating (N-Rating for high quality neodymium magnets).
It's like if I tried comparing two flavors of strawberry jam by top speed.
Edit: I know he does CNC, that's why I'm subbed. That doesn't make the video any more useful. Getting a magnet with an N95-Rating might actually help make the tools stick. Or getting a flat magnet with more surface area to rest against the tool.
I have used Kjmagnetics to buy magnets before. Pretty reasonable prices.
I use totalelement now; they're cheaper and the quality is excellent. N52 for best strength.
Magnet strength isn't really affected by magnet length, but rather by surface area. Two magnets of different lengths, but the same diameter, aren't going to be very different in strength. You need a bigger diameter (wider disc).
@@hemlock8This is false, assuming the magnets are of the same grade. For example, comparing N52 grade 1/2" diameter magnets, a 1/4" thick magnet will have 13.55lbs of pull force while a 1/2" thick magnet will have 18.1lbs of pull force. This info is taken directly from where I source my magnets, total element.
Hey Hamilton,...You actually need a magnet with more surface area for holding larger, heavier objects. Magnet length does not determine the strength.
It does if the magnets are the same grade. Thicker will have more pull force.
@@NWGR To my understanding, that's not how magnets work. It's just like gluing surface area, if you have more surface area glued together, then the joint will be stronger.
@@buckeyewoodshop No, it is how it works. Look up on total element the same grade of magnets (N52), same diameter, but different thicknesses. Thicker magnets will be specified with a stronger pull force.
The strength is relative perpendicular to the poles. It’s also relative to the contact surface area. If you tried pulling directly off of the magnets with a full contact object, then you would notice the difference. It’s most noticeable when you try and separate 2 magnets, they slide apart easily
Magnetism is better on perpendicular force/attraction. Shearing (sliding off) against magnetism is testing it's weakest strength .
Your failed tests only connected to 1 magnet with very small contact area, better arrangement would allow more magnets to be in contact and therefore increasing attraction force and larger contact area.
Hamilton, the magnets you used are low grade (the grade isn;'t even mentioned in the listing so probably not even N35), which means they have low strength. The most common grades are N35, N42, N48 and N52, with N35 being the weakest and N52 being the strongest. I only buy N52 magnets these days. You have to buy from a reputable source to get quality magnets. I use totalelement. Free shipping on $10+ orders and very good prices. No tax charged for me either.
Thanks for this info. Looking up totalelement now.
@@CraigHollabaughNo problem! They've been great. I found them after doing a bunch of searching online after being highly disappointed by the amazon magnets and their inconsistent quality.
@@NWGR that inconsistency is what I too want to eliminate. Total element looks good. Thanks.
Could you fix link for big magnets? Thanks
As I made a knife river board for a family member, I went 28 ways into perp magnets as well as. 200 bucks into magnets. Very tough challenge. For anyone that not 100% on source of real maybe. But after buying many, idk. Maybe the comment I read was the stupid. Or the 5 different made me the idiot. Quite possible. So difficult. Doing the challenge seems easier than proving wtf. I won’t be posting a vid regardless. I have my own path 😊
I'm sure a good number of people know there are alternatives to the single-use double-sided tape for securing material, but man do people love using a ton of them without a thought about the waste. It's like those other content creators who can't take a second to shut off an open water faucet while doing something else-nobody thinks about the impact of their choices on the environment. I've watched people mix epoxies on three strips of tape instead of a scrap piece of plastic or wood they can easily pick up nearby. Single-use products are the most consumerist misfortune to be visited upon this earth, and funny enough, it's the supposed developed nations who rank the highest among pollution contributors. Sure, these products are convenient af, but guess who pays in the end? Not our generation, that's for sure. Thanks for coming to my TED talk.
I really was expecting something different. Not only was the experiment a fail but you didn't make anything useful. May I have my 8 minutes back, please?
I disagree...the video wasn't what I came for, but I learned a lot just reading the comments! So I'm glad he posted it for that reason alone.