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With a couple of very easy and cheap tweaks these Ruixin sharpeners are the best bang for your buck you’ll find for sharpening. I’ve had one and I now have a few Toohr that are also great value for money at around £50/$65. The only reason I gave the Ruixin to my friend was the Toohr (having 2 clamps) is better for sharpening longer knifes, it also has fine adjustment of angle which is very useful.

The tape works perfectly fine I'm sure, so I'm certainly not knocking it as a viable solution to this problem. I placed a thin washer on the screw between the plate and the jig and just filed the thickness down a little bit till it matched the angle on the other side. My thought was that the tape does have some malleability to it and could compress over time and possibly throw the angle off again. Well, then it got me wondering why I was taking the time to shim that plate in the first place and having to fumble with little washers anytime I took it apart. So I simply mounted the plate without the other one, clamped it squarely and securely in my bench vice and simply bent it ever so slightly in the direction it needed to go, using the jig itself as a handle to do so. This is a much more permanent solution I think, but could potentially ruin the entire thing if a few things aren't considered while doing it. For one, the metal the screws thread into is very weak and soft compared to the plate or even the screws for that matter. This is something to consider when shimming as well because on mine the screws used could have been longer and thus catching and grabbing more of the threads in the hole. Adding a shim lessens the amount of thread slightly further exacerbating the risk of stripping. If bending the plate slightly the way I did, this risk of stripping the screws right out of the hole is even higher. So I went to the hardware store and found some slightly longer screws to hold the plates to the jig, this is better for the longevity of the jig anyways. But, the holes do actually go all the way through to the other side, and since I was bending it without the other plate on there anyways, I went a step further by also buying a couple extra screws long enough to run all the way through and be able to place a washer and nut on the other side to ensure the screws cannot strip out the threads because even though the bend I needed to make was very slight and barely noticeable, the plate is very hard steel and does require a bit of brute force to get it to bend. When cutting the threads they don't actually go all the way even though the holes do, so I did use a thread chaser and just completed the cut, but as soft as that metal is a good stainless screw very carefully used with some oil and patience can serve as a chaser and complete that thread I'm sure. Anyways, I secured the plate, and carefully tweaked it a tiny bit. I had to keep taking the time to unscrew it all, mount the plates as you would while using the sharpener, check the angles on both sides, then adjust accordingly if necessary. It was a process as I didn't want to go too far or break something, so it took a couple or 3 little tweaks before it was a perfect match on both sides. Now no more shims, angles both match and I shouldn't have to worry about it ever again. If anyone seeing this decides to give it a shot, just heed this one warning above all....when I say I only "slightly" tweak that plate, I mean that in its fullest sense. A c-hair at a time is all that's needed. A very minute, virtually unnoticeable adjustment was all it took to get things where they need to be. Also, always reassemble and properly gauge the difference between the 2 sides, only judging the difference between the new reading and the starting angle reading on the plate being adjusted will not be the same as the angle it reads when fully assembled with the other plate in place, and more importantly, the 3 screws that provide the actual clamping action when holding a blade. I get that it seems a bit overboard for a couple degrees on a cheap sharpening jig, and it is, you'll get no argument from me where that's concerned. But, if you're going to take the time to make an adjustment to match on both plates in the first place, you may as well do it right and do the best job you can. Besides, it's good practice for when you might encounter a similar issue requiring a similar approach, where precision matters more and much more expensive mistakes could occur. Anyways, I just want to reiterate that I am not at all knocking the tape, or any other shim approach as they certainly achieve the same result with much less effort. I would suggest the slightly longer screws in either case, and even if no corrections are being made at all for that matter. Could mean the difference between a stripped out hole, or having a good solid grip that will last the lifetime of the kit. If anyone has any questions at all, drop a reply to my comment and I'll do my best to clarify any possible confusion. Or, if anyone has reason to think my solution isn't a good one, I'd like to hear about that too in case there's something I haven't thought through quite enough. Either way, the price of this kit was certainly right compared with the higher end ones like it, and with a little foresight and minor tweaks, it really was worth every penny and the time it took to make it a bit better. I will probably buy a better set of stones, but I am pretty impressed with the results even with the less than stellar stones that came with it. I've always been the absolute worst at sharpening knives on a whetstone. Most times they're almost worse than when I started and I've ruined more than one knife for sure. This kit makes it so much easier to get a nice sharp knife every time, I own many knives for many purposes and am glad to have finally found a way to keep them razor sharp without risking a drawer full of fancy butter knives😂

The only angle that matters is the angle between the sharpening stone and the knife! The angle between the clamp holder and the bench is not relevant.

Omgosh!!! Thank you SO much for this. I've been fiddling with this for a year, trying to figure out what I'm doing wrong. Like yours, my knife holder wasn't at 15° and I didn't know how to adjust it. Your video was the perfect tutorial. Now all my knives are razor sharp, if not more. Thank you, thank you, thank you 😙🤌(chef's kiss)!!!

wish i had seen this before i bought a new machine....

Nice build

Thank you, brother

Definitely not how you set the angle. The angle is set by how high you put the swivel on the vertical bar

That was helpful…thanx.

I used your method, but used soda can aluminum cut to 1/8'' strips. You can leave the screws in place. Just loosen them up and slip in another until the cleaver angle matches after rotation.

Do you have to add or subtract the number of electrical tape for different thickness of knives?

Hello, enjoyed your video, my 5500 Duromax is due in tomorrow, can you run your water heater with nothing else powered long enough to get a shower and maybe wash a few dishes ?

Put insulation on floor and ceiling of this box. Put rubber pads under wheels of generator

Just wanted to say thanks for the video, was very helpful. Got mine today and it was 1.5 degrees off when flipped. Five pieces of electrical tape behind the screws of the bottom plate and now it is .2 degrees off. May play with it more later. Thanks again! Update: Added two more layers of electrical tape and now it is 0.1 degrees off when flipped. After experimenting I noticed best practice after the 7 layers of tape was to keep the bottom two Philips bolts tightened down all the time. No need to mess with or adjust the bottom two Philips screws after mod. Before mounting knife, on top plate have the Philips and Allen head screws loosened. Insert knife (using blue plumbers tape on blade to prevent marring of the blade from mounting plates) tighten the Allen head bolt that is closest to flat part of the knife by spine then tighten the other two Allen head bolts. Lastly screw in the top two Philips head bolts to snug fit. This gives me a 0.1 degree accuracy when flipping knife. This sharpening tool allows me to produce mirror finished, razor sharp blades. Once this mod and others applied this machine is very good.

I just got my Ruxin Pro RX-008. Mine appears to be off 3 degrees. When I put a blade in it measures 12 degrees. Two questions. 1. When you say this technique is to bring the angle up, Would this technique apply to me? 2. I don't have a cleaver, but could get some sheet metal for calibration purposes. What dimensions would you recommend? The same width as a knife blade, maybe 1 or 2 inches? Wider? How long? Thanks

I heard this was junk also the stones a cheap😒

The screws at the back, top and bottom. Do you tighten those all the way down

Did you say layers of electrical tape? (4)

love you for this video. even have feelings for you :) you saved the day.

Muchas gracias!!!

Or you could have just changed the angle of the sharpening stone on the rod.

Both of your videos on this topic are excellent and a great hack for this problem!! I think I have a little refinement to do but I'm within a degree on each side. Follow-on question: After I set the blade angle, I get a consistent reading on the protractor from the heel to the middle of the blade but then when I go towards the tip the angle increases by 2-3 degrees. I have the knife centered in the holder and I have even played around with angling the blade (i.e. not parallel with the holder's edge). I was wondering if you had a hack for that problem too? Again great job on these videos. It saved me a bunch of time!

I saw your comment on a different fideo about this, I'm glad you made this video explaining this. Thank you for putting the effort in to helping other people tweak this product to make it work better

Thanks for this, one layer of electrical tape got me from 1.5° off to 0.1°

Great job. What magnets did you use for the exhaust? I'm going to be doing this project and my main concern is figuring out the exhaust

How has the insulation held up? Do you think I could use high strength high temp spray adhesive to attach that same insulation you used to OSB? Thanks

Couldn't you just take the knife out and flip it over so you can keep the same angle degree.?

aluminum foil would be a better choice for shim material

aluminum foil would be a better material to use as shims

Your angle fix works a treat. BRILLIANT !!!!!!! many thanks.

Perfect !! Thank you. I have been wasting so much tobacco and cartridges and am so frustrated not knowing what was happening. Your video saved the day (and my arm).. God Bless

have you tried aluminum shims from a beer can instead of electrical tape? To me, the aluminum would not wear or age as fast as electrical tape.

have you tried aluminum shims from a beer can instead of electrical tape? To me, the aluminum would not wear or age as fast as electrical tape.

Really appreciate you doing this. I'm considering investing in this knife sharpener for my kitchen knives. Would you say you 100% recommend this sharpener?

Dude your awesome. I have been trying to figure it out. My hands hurt so bad I was not winning the fight lol. I'm going to try it mine is doing the same thing. OMG I wish I would have googled sooner 😞😊 Thank hopefully I'll KO SMOKES OUT!! 😁🤪🤣

what is the phone app you use instead of a protractor?

Thanks for this video. I haven't received mine yet but was worried after hearing about the manufacturing defect. This pits my mind at ease.

Do you think that possibly the plastic washers will compress over time and change the angle that was corrected? Maybe metal washers would be a better choice and wouldn't compress as much.

thank you for finding this manufacturing flaw works like a charm I used a nickel since it has more surface to glue to..

Buenas tardes , tengo un problema y no sé si a vosotros os pasa lo mismo , por un lado me mide un ángulo y por el otro mide otro distinto, se va bastante digamos que lo pongo a 17.50 y por el otro ma marca 10.50 . Todo esto poniendo el angulometro en la pletina arriba de dónde va la piedra. Muchas gracias de antemano y saludos.

Yow! Back in action.... thanks man!

Right out of the box I realized that the angles on either side were different and it's the problem that most of these sharpening systems have is getting the clamping mechanism just right to keep you true. Hopefully your technique will work for me. Thanks

Hey mate thank you for the time and effort. You have saved me a lot of time with this video.

Am I doing it wrong? My readings say that my two sides are 20 degrees?

It's called " Clever" that you took off.

I think its pronounced more like "ray-shin" or "ray-sheen." ru-ee-sheen Just ordered one thanks for all the tips!

Hi. Thank you for this way, I will definitely do it. Before your method, I put a plastic card strips. But it is extremely inconvenient every time👍🤝

ok so my first one just came in the same in the video fixed the angle with help of a 3d printer to get exact spacers well I go to pull to rotate it and the back hub cap that holds the main knife holding section to the spring launches off due to a stripped screw and breaks a screen keep in mind i never touched the thing on the back or forced it

I am 100% new to knife sharpening, how and where exactly do I use the protractor to measure the angle? Thank you