How to Sharpen Lawnmower Blades WITHOUT removing them! 4k video
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- เผยแพร่เมื่อ 24 ก.ย. 2019
- This is neat. You can sharpen lawnmower blades with out removing them. There is a new tool that lets you sharpen the lawnmower blades by bringing the grinder to the blade instead of vice-versa.
Its by noracore.com
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Ok... this may be the single dumbest $400 tool I have ever seen. I love how their "cost comparison" shows that now you won't need that $150 impact gun but makes no mention of the cost of the required 29-gallon minimum 3 CFM "minimum" @ 120 PSI air compressor. Those die grinders suck a lot of air. 1-hour battery life on the camera? One of the advantages of removing the blade to sharpen is it allows you to clean and rebalance the blade and scrape the deck at the same time. It also allows you to cycle through several sets of blades which extends the life of all of your blades. Best recommendation - save the box. :-)
EOSJOE couldn’t say it better myself. It’s a novelty, no one in the “real world “ would waste time with this.
100g agree
You have to keep reminding yourself that the single biggest selling point on this tool as a TIME SAVER. I don't know about you but I think I could have swapped a set of blades and sharpened the spare set in a lot less time than it took them to get everything hooked up, adjusted, connected, booted and then sharpen.
EOSJOE Same but I balance my blades
Kinda disagree in that once it's set up, other than minor tweaking of camera your all set.
Stan the one thing I see off the bat is if the blade isn't removed it can rust itself to the mower arbor on the deck every time I sharpen my blade I clean the entire blade to make sure it is perfectly balanced to prolong the arbor bearing life and reduce vibration to next to 0
have fun replacing bearings. =)
Or the entire dam mower before it's time.
Check the bottom of the box it came in . There should be 50 feet of rope too tie too it for a anchor after you realize it’s useless .😂 Good video though 👍
LOL I was thinking the same thing.
Hey Stanley, I've been sharpening and balancing my blades since about 1968. I have one machine I bought new in 1985 a poulan model x14v38A that has been balanced with every sharpening and the mandrels greased at every use. One mandrel had to be replaced due to a piece of iron I hit in 2012, I replaced the othern at the same time...Now I have a decent spare mandrel. I bought a used Husky Gt in 2015 that was 2 yrs old and the mandrels were raggedy as a hotel mop and the blades were out of balance when I bought it. Replaced mandrels, sharpened, balanced, hardened and tempered a set of new blades and the new mandrels are still good and tight. These little tractors mow 6 acres a week. Hmmm, I cain't argue with my program but for each their own I reckon! I do love that camera rig though. God Bless, Kev
If you start out with a new blade that is balanced and sharpen it properly, removing the same amount of material from each cutting edge, I could see where you could get away without balancing it. I always check the balance on my blades after sharpening but rarely find them to be out of balance.
This is a great tool. I've never sharpened a lawn mower blade myself, but this looks very cool. Will it work for push mowers as well? For guys who can't afford to buy it(me) I wonder if the same type of barrell grinder on a Dremel and doing it by hand would work?? Thanks Stan and Dan for sharing your thoughts and videos, Rodney
I have started to see this thing a couple times now. I think by the time I find a flat place to roll it and get set up I could have had both blades out with a impact and started sharpening. Sorry Im not sold. How long is that little grinding wheel going to last? Probably not as long as my disc. I dont balance much but I do check if its close its good.
hey I just removed a single 30in blade off my mower sharpened so many times it is almost back to the wing of the blade never had a balance issue. still using it in a cross cut with the new blade
Been in the business 10 years. Sharpen with an angle grinder weekly and iv never balanced our blades. Never had an issue
I havent been in business tha long but when I'm done sharpening my blades I used to check their balance but they are not really out of balance. So I stopped checking unless I hit something with the blade that needs extra sharpening.
@@meegstomtom ya if you really damage a blade and have to take alot of material off its not a bad idea i suppose but luckily iv never had more than a good nick out of one.
@@kylefitzherbert9381 I had a bank with an old metal pipe in the back yard. I didn't see until i hit it. Lol. After looking at it I'm not the first to hit it ether. Oh well
The time it took you to assemble this I took my blades off, sharpened them, and put them back on them mowed my yard.
Nice setup
Thanks Larry!
2:23 there’s a reason why it’s the worlds first, it’s also the last since it’s idling useless as it doesn’t balance the blades at all.
I love gadgets when they actually work and not yet another emergency room visit in the making.
You always make great videos. Thanks for reviewing this blade sharpener. Now I know is a waste of time and money.
You are welcome, thanks for all the support !
Don't know if they should be balanced or not, but my 1987 GT 6000 never had a deck hearing replaced as I do balance all three blades, so you tell me! 😀
What year is that black Jeep in the garage did he mod it for two seats ? It’s sickkk
It’s a roxor made by mahindra
How do you balance the blade ?
You guys forgot to mention when your wife tells at you to read the instructions, she sees us(husbands) mess up every one but we dont realize it happens every time we put something together without instructions lmao
Even if you got a fleet of 20-30 mowers its still faster to just replace the blades with fresh ones and resharp/ballance the old sets properly and Keep em ready for the next switcharoo.
So what practical use does this 400 bucks thingy do really? Cant be used in the field and if proppa in da shoppa do it right from the start?
I always read and follow the directions. Back in my mid teens I would put together model cars and trucks and always followed the directions.
I see a major fire hazard old dry grass and sparks poof machine gone
What about balancing the blades? Where they balanced?
Kind of hard to balance the blade when it’s still on the mower - 😊 I’ve always balanced my blades - this might work for a homeowner but for a commercial company I think it’s more hassle then it’s worth - great video 👍🏻
Thanks Larry, appreciate the input!
How much does this actuality save, Maybe for 20 mowers but not for 1 or 2. Great video Stan
Thanks Max!
Thing to bear in mind is that the main reason it is taking SOOOO long is they are learning about using and setting it up - with practice it would take a few sec's as height, etc, would already be set.
RE: the compressor/tank, etc - if you don't have them, tool isn't for you, simple.
One of the bigger issues, that I can see, is the stone wear - be interested to see how a carbide burr would work and service life.
Personally, I could see that as being useful for a quick touch up at the end of the day/week, for some, but by no means everyone (including myself) - and that is fine.
Yes- we opened the tool for the first time and figured out how it works while filming. Many New tools have a bit of a learning curve and we didn't edit that out to make it look good.
There goes the balance... Oh well.
If they were hardened and tempered they aren't now. Just as bad as those guys using the bench grinder.
Dane Fuller they are never hardens or tempered.
@@FishFind3000 "The Oregon® 91-399 replacement lawn mower blade is made to the exact OEM specification for optimum performance. Our blades are individually straightened and hardened to provide a consistent, cleaner cut and increase blade longevity." So Oregon is a company full of liars?
@@FishFind3000
Also notice Noracore's own comment on this video...
NORACORE INC
2 hours ago
Thank you Stanley for the video review.
Stanley's followers:
For hardened steel blades (commercial mowers) the unit comes with a tungsten carbide bit (not demonstrated in this video) which is significantly faster and provides a razor sharp finish.
Please visit our website for more information wwww.noracore.com and feel free to reach out to us directly if you have any further questions info@noracore.com
@@christapherdane You dont want "razor sharp" blades when mowing, you need a decently sharp edge with enough angle and material behind it to make sure the edge stays longer and cuts more consistently. The sharper, the hotter and the more material you take off these blades the more time you'll spend taking sharpening them and will equate to a shitty cut or the blade edge disappearing within 2 weeks of commercial use which is nfg. I've been in the business for over 10 years and I currently own a good sized fleet of commercial mowers which include: (5) stand up 52" john deere quick traks, (7), 60" Toro 6000 series mowers, (2) 52" Torograndstands (3) Ferris Z3X stand up mowers, two of them are 61" ones 52" and I have 3 more 61" ones on the way (2) 36" hydro great Dane walk behind mowers, 10 commercial pushmowers ranging in size from 21"-30" and that's just my commercial ztrs used for turf grass that's not including the boom mowers, brush cutters and Bush hogs. With all the years experience i have I know for a fact that I'm pretty close to an expert on large and small property maintenance, landscapes/hardscapes, turf care, cut quality and how to sharpen and balance blades with my eyes shut using a proper blade sharpener. So before you try to defend such a useless product actually do research and be sure that you're qualified or have the knowledge to argue about such product.
What happens to the quill bearings with the blades out of balance???
They wear out, or they break if it's particularly bad. Replacing them is a pain in the cunning linguils.
Buy a grasshopper lawn mower deck folds up take the blades off and do what you want .
Hustler makes one of those too.
Yeah I like the Country Clipper version.
25:20 Stan, you don't crawl under the mower to remove the blades. you drop the deck and disconnect it. Extract the deck, then remove the blades. With a little practise it is possible to get the deck out and blades off in about 2 minutes. Another 2min to sharpen, 1min per blade to balance and 3 min to put everything back. so for a 3 blade deck your at about 8min. The reason you balance the blades is to prevent the blade vibrating (even if you can't feel it), this type of periodic oscillation will cause a huge amount of extra wear of the bearings of the blade shafts. Wear those out and depending on the machine you could be out a couple of days trying to fix it or in some of the cheaper ones you'll need to replace the entire deck and blade drivetrain because of the way the bearings are seated will crack the deck if you try to extract them. (been there, not a fun time.)
I just pull the spark plug caps, lift the front of the mower and chock the wheels. Never had a problem. Pain in the ass to have to remove all that unless you need to. If the plug caps aren't in, the mower can't cut on and the blade clutch can't engage.
I'm with you fellers, I just pull mine in the shop, pick em up with a trolley winch, take off blades, grind to sharp balanced edges and reverse process to reinstall...I ain't quite too tired to gitter done right just yet
Ok. So when do you clean the grass out of the deck?
It just seems like a best practice sort of thing to make sure your blades are balanced. Those little harmonic vibrations probably cause other components of the equipment to wear faster. Also the discharge blade always wears the fastest, and needs to be swapped with the least worn blade. With those tiny little wheels of that sharpener, you have to have perfectly smooth concrete to roll it around on.
I never balance my blades after sharpening them, never had any problems after sharpening I lay them flat on the round part of my anvil if they are balanced they will stay in the middle, as for as reading the instructions no I just glance at the pictures and go from there, I do however make sure that I have everything before I even start putting it together.
balance and sharpen every time i cut 4 acres the blades are dull very dull after 6 hrs of cutting 4 acres heavy grass
This looks like a harbor freight special. Did you use the 20% off coupon?
I balance my blades every time just always have
Most of the time i can just look at the box and put it together. But there are exceptions. And yes i have had to take things back apart.
If you have grass build up underneath, you may catch it on fire. I don't balance my blades every time I sharpen them 👍🏻👊🏻.
True! Good points
I never balance the blades and sharpen almost every week
Not saying it’s right but I’ve never had to replace a spindle due to bearing failure
Thanks for the input and for watching!
Me too, but I do try to take about the same amount from each side.
You need a high flow air compressor and level smooth floor so it maybe useful for a fleet of mowers
other that I dont see a advantage
I Always balance blades. It's hard on bearings if you don't and it can cause unnecessary wear on your deck linkage with excess vibration. How ever you can go a few years without balancing unless you hit a lot of rocks in the yard. It's all preference and commercial equipment is built better then home owner. But I went to tech school and spent 20 years working on equipment and being certified by state to service and repair all kinds of equipment. Good luck with the fancy gizmo
Maybe try engaging the deck while sharpening, should be a lot faster 😏
Im not sure how u get middle blade
im guessing tho a good ideal they wanted to much and failed as a bisness
The front right wheel keeps stopping as it enters the chamber... makes the grinding wheel stutter.
i have no words
My wife always told me years ago, read the instructions
Never seen anyone sharpen blade almost to spindle!
I always balance my blade's b/c I bought a used riding mower and the guy said he never sharpen his blades and the first thing that I had to do was buy 3 new mandrills the bearings was shoot
I just jack up the front end and use a angle grinder to to sharpen up the the the blade
My deck vibrates when blades are not balanced.
Think of the mower deck underside caked up with DRY grass, think of the fire 🔥 started by the sparks. OR the delayed start fire that burns your house down.
Think of the lawyers going after the company that sells this product.
Back in the 80’s a bloke in Australia invented a manual sidewalk edger. My uncle bought the idea from him and got a US patent for it and called it The Walker Ezedger. He gave me a few to sell, which I wasn’t able to. They were marketed in the US. One day a young boy was carrying one and tripped landing on the blades ripping into his stomach and killing him. A very terrible tragedy which my uncle felt horrible over. My uncle was sued in court and lost. There was a recall on every one of them.
The longer the blade, the more you should balance. Like on a Walker . It uses 2 blades instead of 3 so there longer. My brother, the 30 year veteran runs 52 inch mowers with 3 blades. Never balanced a set of blades and never had an issue.
I use a angle grinder and a flap disc. That thing needs a chain so you don't loose it when it gets pulled up from the water.
I've never herd about this
And why does it not surprise me this is the dude that bought the Roxor Jeep and modded it?
Only if we have a vibration problem we balance otherwise just sharpen but I'm with the other guy we remove the blades put secondary set on so we can just sharpen them when we have time and that extends blade life and we always scrape the decks when changing blades so not for me maybe a good tool for other people but not for my crew
....to think, who did they spend the time to design and produce this blade sharpener for ?? Like who is the intended buyer ?
Looks like something the Government would buy. :-)
@@eosjoe565 developed for use in the army :) sharpen NCO's bayonet without him getting out of his foxhole or removing it from his rifle.
Honestly nope I only balance mine if I feel that possibility of them shaking the crap out of the mower but that’s only happened once and I haven’t had a huge problem at all after I have sharpened the blades so nope not a problem if you don’t balance the blades at all buddy. I’m using a John Deere ZTR 920R 54 inch deck with Kawasaki 24hp
i would spend the money on a set of meg mow blades... 100 bucks less than that thing and the blades are hard steel... they stay sharp for a very very long time... commercial cutters can run em a year or 2 without sharpening em... the knives are from disc mowers that are make to cut thousands of acres of hay and not need sharpening for a long time...
Thanks for the input Doug!
Mower shops will charge you to balance blades but they don't actually do it. Honestly unless you bash a blade and bend it, you don't actually remove enough material when sharpening to warrant balancing. I've tried it both ways and there's no difference
Maybe next time i get tires i won't have then balanced.
How many turkeys does it take to sharpen a mower blade ?
does the box say flat pad of concrete not included looks like a pain
No brain included in the box either, this might not be for you.
Given the complexity of this gizmo, they probably recommend having a precision ground pad of granite installed in your garage.
EOSJOE toilet paper seems complex to some.
in short blades you will not need to balance if so every five years. 22" and longer may be every two years. My blades lasted 12 years no problem. The lawn mower died first.
Better tool for doing your toe nails
If it was battery powered it would be twice as cool.
My dad hasn’t balanced blades in the past 10 years of his business
Is this a joke?
NoraCore has another new tool coming out for adjusting spark plugs. Instead of wasting time removing the plug and setting the gap with a feeler gauge, they have a new fiber optic tool that goes up through the exhaust pipe and up through the exhaust valve and allows you to robotically adjust the gap from INSIDE the cylinder. It will revolutionize the small engine repair business.
@@eosjoe565 Yes, I heard about that system. It was invented by a gynecologist that started doing his own automotive work... 🤣
Always balance no matter what. 80% of sharpened blades are no where close to balanced in my experience
I really feel bad for the guys who developed this. There are so many problems with this. And yes I always balance. But I'm a homeowner that mows 2 acres. If I was commercial I would too, but then I don't know if I'd have time 🤣
Not balancing your blades can damage spindle bearings.
I balance blades every so often. but I do not do it every time
That little CCTV camera didn't have a microphone, I couldn't tell if the grinder was running or not...
Pass
Sure, no problem, skip balancing the blades. But, when your spindle bearings seize, and you have a downed machine and have to shell out a lot of money cause of laziness and stupidity, you might want to keep balancing your blades. Besides, how many lawn care companies have a compressor big enough to handle the psi and cfm for this gimmick? 🤔🤔🤔
Also... periodically removing the blades keeps them easily removable.
I never balance my blades. The bearings in the spindles on most commerical zero turns are huge, atleast on my bad boy.
I never balances my blades
I believe that's a waste of time and money. Ill keep doing it the old fashioned way. I always like to balance my blades each time I sharpen them plus it's a good time to do other maintenance while the blades are off.
Pneumatic?? Very old school.
I want this for my grandfather, but I can't it for the life of me. I balance my blades but i don't do it very specifically/scientifically or anything to the point It probably doesn't even matter
Sadly, this system seems great, BUT... you also need to ballance the blades!
It looks real easy to use and gives great results, but the blades still have to come off for ballancing... Or kill the Bearings in your Mandrells!
Just my $0.02 (two cents worth) of criticism. (SORRY...😿)
Take care y'all,
🤓 -Thomas
Western Washington State
@James Michael that is true. In my business I rarely need to balance my blades. I take them off to Sharpe but 99% of the time they need no balancing. Like you said, take the same off both side. If I need 5 passes on one side to get it sharp then I do 5 on the other end. And they stay balanced just fine
you dont need a rope or a chain to tie to this because when you throw it in the water you should never want to see this ps again.
Gj fucking it up guys
I'm famous now woo hoo
never balance
nice tool if someone has a disability or mobility issues. Otherwise, just take em off and sharpen by hand.
Looks like a pita
Gimmick it is a tich off. To many variables to getting set up. Looks like the surface you have to work on has to be very smooth and level. And the small grinding stone will not last long at all. It is a good idea but is seems easier just to remove the blades. Air grinder take allot of CFM to run properly. If you have a 20gal compressor and a nice garage floor maybe. Just won't ork for me.
Notice too they never showed trying to sharpen the far side blade. If you think the blade on the discharge side was tough with two guys holding flashlights, imagine working in the dark using only the camera on the opposite side (or middle). :-)
I think that it’s kool but I’d have to be on a flat surface I would think and with anything there’s a kinda suck factor and learning curve
Anyone on a budget just get a harbor freight impact gun for $50 and buy the cheapest bench grinder you can find most are around $30
I seldom balance my blades.
This guy is called tools in action and he's sitting on the ground in his driveway?
Yeah- hes not allowed to do that?
Drop the deck to the ground.
it looks a bit fiddley
F
Non balanced blades after sharpening Goodbye spindle bearings
NO way Jose, that is worthless. Blades off, inspect deck, inspect the blades, clean, sharpen, BALANCE and reinstall. Thats the way it should be done. Yea, taking them off is a pain, but so is having to pay taxes. Most factory blades are ground to 15 degrees...
I call instructions 'De-structions' Lol
who ever invented this should of took the time instead to invent a better version of a trimmer to the deck
All the time lol