We looked at the claims made by virtually all the major sharpening machine manufacturers.
We reviewed the design of each machine to verify the claims each manufacturer makes. Then we compared those claims to to the actual design features of the scissors. remember, the three key design features of Hair Styling Scissors:
- Convex Edge (Producing a cleaner sharper cut and making slide cutting a breeze.)
- Designed Cutting Angle (For most shears it will be 40 degrees, sharper angles like a 55 degree sword edge requires a much higher quality steel usually V10 or better.)
- 800 mm Radius (This design feature holds the hair when closing the shear making it easier to cut since the hair doesn’t push away.)
My review process was aimed at the thought that the end customer of any sharpening technology is the hairstylist not the sharpener. Therefore the stylist is the person who must be satisfied with the end result.
The sharpening machine manufacturers often talk to their customer, the sharpener, without talking in detail about the sharpener’s customers. So, very often the benefits listed are all aimed at the sharpener.
So, whether a specific machine allows you to sharpen in one or two passes like a grinder, or allows the sharpener to move through a multi-stage machine without having to change pads is really irrelevant. The real question is, will the sharpening machine return scissors to factory new condition or is the machine capable of restoring all the design features inherent in a pair of hairdressing scissors to original factory specifications?
This review site only addresses the sharpening methods being advertised to handle hair stylists scissors, not other industrial sharpening processes.
The categories of machines reviewed are: Grinders, Flat Hone Machines, Machines making unsubstantiated claims and finally the only machine that can restore hair cutting scissors to factory new condition.
Bench Grinders both for home, commercial and industrial use are not precision tools. Take a look at a recent review of bench grinders from Popular Mechanics. Click Here
These are probably the best available portable grinders. But the design only allows for the sharpening of a beveled edge pair of scissors and has no provision for the cutting angle or the 800 mm Radius.
Flat Hone Machines:
Kuda Sharpening Systems claims: Click here for more information.
Kuda’s Flat Hone system is essentially exactly like every other flat hone system except their clamp supposedly has a torsion adjustment that will follow the change in cutting angle produced by the twist put in every blade by the manufacturer. I have spoken with one of the top scissors experts in the US and he assures me that none of the scissors he designs and has manufactured have any kind of twist in the blade. He has spoken with dozens of manufacturers around the world and the twist that Kuda claims is in the blade is simply not there.
It is only the three features we talk about throughout this site that are the keys to making Japanese Style shears, and pretty much all the hairdressing scissors, work properly.
XZACTA Scissors Sharpening Machine: Click here to view their home page.
XZACTA claims, on their home page, after unequivocally stating that there is “no such thing as a torsion edge”…
“THEN BESIDES THAT, ANY FLAT HONE SHARPENING SYSTEM THAT IS NOT USING “ONLY” THE OUTSIDE EDGE OF THE PAD IS SLOWLY TO VERY QUICKLY DESTROYING YOUR SHEARS.”
This claim is not exactly true. The truth is that XZACTA’s clamp design, which holds the blade on a rather sever angle does use, only the outside edge of the pad when sharpening. But the problem is there is nothing to control the movement of the blade through its factory designed 800 mm radius, so in effect, XZACTA’s machine, although somewhat better than a typical flat hone machine, will still change and damage the radius during sharpening. And also there is the possibility of producing a scallop effect on the blade since you have to push down with one hand while convexing with the other.
The Only Technology Capable of Matching or
Restoring Scissors to Factory New
The Diamond Rose Shears Superior Sharpening System: Click here for a description of this disruptive technology. The Superior Sharpening System is the only system capable of matching all three of the key design features found in the hair styling scissors made today. This patented technology makes the system unique among all other scissors sharpening systems.
From it’s unique clamp-guide assembly (the only clamp that rides on the patented 800 mm radius bar) through the design of its quick change pads, to the magnifying lamp and the high friction padding on the surface to protect the blades. Everything is designed to do what no other sharpening system can do. The Clamp which allows you to both set the angle of the blade and convex the edge, while riding on the patented 800 mm radius bar allows the sharpener to restore all the factory specifications on the scissors and restore them to factory new condition.
For a look at the Diamond Rose Shears Sharpening System as a business, Click Here
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