Wooden Hand Plane Blades,Woodworking Plans Kitchen Nook,Gel Stain For Wood Cabinets - Downloads 2016

11.08.2015, admin  
Category: Dresser Woodworking Plans

The slight curve (camber) in the edge of the plane blade is visible as a light gap against the straightedge.
For jack planes, more camber lets this workhorse take thicker shavings without producing gutters.
RobPorcaro writes: I do most of my sharpening freehand, so to produce a mild camber such as for a smoothing plane blade, I just lean a bit more on each side of the blade on the stone and work the pressure smoothly toward the middle. The math is tangential to the main points which are to use differing cambers according to the task of each plane and, to realize that bevel up and bevel down blades, all else equal, require different approaches to producing camber in the sharpening process. The more pronounced camber also makes it easier to direct the plane’s cut at the high spots on the surface of a board being dimensioned. After a lot of experimenting I've developed an easy and quick method of sharpening and cambering my smooth plane blades. However, since the middle of the blade is thus destined to dull first, it is easy to reduce the camber on the next honing. I use sandpaper sharpening on a stone surface plate with the Veritas MK II honing guide and camber roller. I'm going to send Rob an email to make sure he chimes in but I can tell that my method - also the method of our art director whose blades cut shavings fine enough to see through - is to simply apply more pressure on one side of the iron (in a honing jig), then switch pressure to the other side, then even pressure, repeat, etc. Think of it this way: if the blade were laid flat and you viewed it toward the edge, there would appear to be no camber at all. Once you have one face flattened, plane the edges flat and perpendicular to the first face.
In part one of this three part series, I presented an overview of some vintage razor blade planes. I have found there are four basic problems with existing razor blade planes when used to pare leather: the blade is usually at too high of an angle, the poor quality metal they are made out of creates excessive friction and threaded parts can strip out, the blade height is difficult to adjust and standard razor blades, because they are so thin and designed for hair, are not ideal. Bruce Matthews published some plans and images of a plane he designed for model making, primarily dealing with balsa wood. The most difficult problem was edge retention of the blades – this problem still needs to be resolved.
Most modern double edge razor blades have some sort of  proprietary slit cut through them, but all of the ones I have tried fit into the three hole system pictured above.
This is the result of trying out a number of ideas to develop a better razor blade plane for paring leather. I used magnets to hold the razor blades in place until final clamping, and also used a blade cap more like a normal block plane. This entry was posted in book conservation and tagged bookbinding, paring leather, razor blade planes on September 5, 2011 by Jeff Peachey. There is a fourth, somewhat obscure method of paring leather which uses a razor blade plane.
The informational sheet included with Little Giant planes shows three vignettes of the plane in use: a man trimming a door, a woman shaving down a drawer, and a boy making a model airplane. The Wil-Kro (sometimes spelled Wilkro, even on the original box) is the most commonly found razor blade plane, in my experience.
Granted in 1942, the patent emphasizes many of the clever design features of the multipurpose handle which also secures the blade. This is a somewhat interesting tool, the example I have has two different blade configurations, a flat and curved located at the back of the plane.
On one end of the exterior box the plane is shown operated a third way, like a scraper or chisel plane.
Eric Alstrom adds that these are made of plastic, and “I never put it in the same class as the Little Giant. The Lee Valley is made in Germany, and has a rear handle that doubles for planing curved surfaces which is perpundicular to the usual planing position.
The promise of not having to sharpen or resharpen these razor blade planes may account for their continuing appeal, as does their simple, unthreatening and lightweight nature. Although these planes barely function on most types of wood, they are much more functional in soft materials, including leather. I find razor blade planes interesting not so much because they are exemplars of the toolmakers art, but because they are emblematic of the post-WW2 home handyman boom, the creation of suburbia, 1950’s advertising and other societal aspects.
This entry was posted in book conservation, book repair, bookbinding, bookbinding machines and tagged artu plane, bookbinding, david plane, fix plane, how to pare leather, leather paring, lee valley razor block plane, little giant razor blade planer set, master airscrew 4100 razor plane, razor blade block plane, razor blade planes, select planer, wilkro razor planer, zip plane on August 17, 2011 by Jeff Peachey. Dieter Schmid Fine Tools is proud to offer these Hand Plane Blades which have been made exclusively for us in a limited run. This blade is suitable for alle wooden planes with blade width 48 mm and where the blade is hold by a wedge.

The two round holes are only for production reasons and can be ignored when plane is in use. As the blade is thicker than most blades for wooden planes, it may happen in seldom cases that some material from the rear side of the front part of the plane body has to be removed to enlarge the mouth. The slight convexity or "camber" in the edge of a smoothing plane iron should allow the production of airy shavings that are thickest in the middle, say .001", and feather out to nothing at a little less than the width of the blade. When grinding and honing a plane blade, I check the camber by setting the blade’s edge on a small aluminum straight edge and holding it up to the light to look for the tiny gaps that gradually enlarge from the center to the sides of the blade. I think the point you want to make is that you have to have a greater camber on a bevel down plane than a bevel up plane for the same depth of cut. The camber that you observe sighting 90 degrees to the face of the blade will mostly disappear when you install the blade in a 12 degree-bed, bevel-up plane and sight down the sole to observe the camber. The important thing is to observe the plane's performance and let that guide your perception as to what is "enough" camber next time at the sharpening station.
Our hand plane service includes the sharpening of the plane blade and a free plane sole base check, if minor sole flattening is needed, it is included!!!
I find no need for a special rig, though I suppose that could help for a blade with a pronounced curve such as a scrub plane. A more direct approach during the sharpening process is to check the camber against a straightedge with the blade tilted at the bed angle. In order to correct some of the limitations of a flexible double edge blade, he used a single edge blade that has a back stiffener. The binder clip is lightweight enough to allow a feel for the flexing of these thin blades, making sure to sharpen them on the bevel, although I tend to take a couple of degrees off the angle to make the edge a bit more robust. American, German, Dutch and English versions are represented. Next week, in part two, guest blogger Eric Alstrom, Head of Conservation at Michigan State University, will present some tips for using razor planers on bookbinding leather. The finger position holding the blade looks frighteningly dangerous and seems to be putting a 45 degree bevel on the blade. This is the only razor blade plane I have that has the patent number stamped on the plane body, and it is the most innovative design. This tentatively identified plane is perhaps the most elegant and ergonomic in form, to my eye. These blades are Made in Germany from high alloy, tungsten tool steel specially selected for optimal hardness and an extra fine cutting edge. A similarly small, or perhaps a bit more, camber in the edge of a jointer plane blade allows one to bring down the "high" side of an out-of-square edge without tilting and destabilizing the heavy plane. Therefore, I sharpen more camber into a blade for a low angle bevel-up plane than for a bevel-down plane to achieve the same functional amount of camber.
At the Sharpening Shack, we professionally hand and machine sharpen most wood chisels and hand planes. No problem: The center of the blade will take the most wear and you can hone away some of the hump to resharpen the blade and reduce the camber. This post will discuss factors in the amount of camber in the edge of a plane iron with attention to an under-appreciated trigonometric quirk. I put pressure with one finger in the middle of the blade and make five strokes pulling toward myself but not pushing forward.
Secondly, I made the body out of a single piece of milled aluminum, rather than friction generating wood. 1910 Gillette,in the middle a 1990’s Scharf-fix, and on the bottom a 2011 Tungsten Carbide industrial blade.
It might be useful for specific circumstances, like paring very thinly, or for those who don’t want to bother having to resharpen their blade.
Learning how to pare leather not only requires learning the technique of using a knife or spokeshave, but also the skills of how to keep the knife or blade sharp. Originally, they seemed marketed to the home handyman, now most are marketed to model makers. If you are curious about using a razor blade plane, the Little Giant would be my first choice.
While some users may be content with the three blade configurations of a Little Giant, a Wil-Kro owner gets four:  a  flat sole, a bull nose, a chisel and a curved sole plane. The patent application later notes that the blades are similar to the blades used in safety razors, but slightly different. Like the Little Giant, use in homes, possibly as a one plane fits all, seems to be the main focus for sales. Like the Wil-Kro, the proper direction for planing is cast into the plane, which to me indicates a very low expected competence from users.

The 45 degree chamfer at the end, when the blade is in a chisel position,  let the blade be used as a knife.
Each blade is precision laser cut, contour machined to exact specifications, vacuum heat treated and tempered to RC 61 and then carefully ground on automated machinery. There are undoubtedly other factors affecting shaving thickness, such as blade sharpness, blade edge deflection, and wood grain, so it is most important to monitor the performance of the plane and make adjustments when you resharpen. We can also slightly round the corners of your plane blade at no additional cost if you so request. When this blade is installed on a 45° frog in a bevel-down plane, the actual functional convexity is reduced. I’ll keep tweaking this plane and bring it along to the Guild of Book Workers Standards of Excellence Seminar, October 6-8, 2011 in Boston.
The Brockman or Scharf-Fix alleviates the need to learn how to sharpen, although some thrifty bookbinders do resharpen their double edge blades.
The Little Giant is the only plane that I have seen that was painted; there is a light green, a darker green, a blue, and some are natural aluminum or pot metal. It is one of the smaller razor blade planes, the most innovative in design, and quite comfortable to use. In the instructions provided with the plane, however, ordinary double edge razor blades are recommended. Unlike the Little Giant, users of the Wilkro are advised to replace dull blades rather than resharpen them. In this version, the chisel blade position at the front is functional, later it is abandoned.
This plane feels distinctly larger than the previous two, and doesn’t seem to work quite as well on leather. It looks quite comfortable to grasp, and the blade is accessible from three sides for adjustment.
It features three variable positions, normal use, as pictured below, as a chisel plane with the blade at the front, and curved at the heal.
Even though the general consensus among users is that they don’t work nearly as well as their advertised purposes, there have been many variations of these planes over the past 50+ years and several are still in production.
The camber should be positioned at the center of the blade projection so the plane can be shifted toward the high side of the board’s edge to remove a slightly thicker shaving there.
The ceramic coated blades reduce the initial cutting performance to an unacceptable degree, but the carbide blades performed reasonably well, although they are not as sharp initially, they have a much longer, more gradual use time, though seeming not as long as the 75 times some suppliers claim. Two rare earth magnets hold the razor blades in place for adjustments until they are securely clamped.  Either standard double edge razor blades, Scharf-Fix blades, or industrial three hole Tungston Carbide blades fit.
The Little Giant is manufactured to a higher quality, with a more precisely ground sole and overall more solid feel than other planes I have tried.
The tightening knob evidently underwent some refinements during production, and has a much more elegant, almost horn like shape which is easier to align and tighten than the wing nut on all other planes. Since the body of these planes are essentially in two pieces, some users feel they are not as rigid as one piece models, though this does not seem to be an issue when using them on leather. There is a nice slideshow of this plane on Howies Antiques, showing the same lack of a front scraper attachment. Reportedly there is a plastic piece that deteriorates relatively quickly. The David is for sale at sky king rc products.
High carbon blades cut great initally, but don’t seem to last as long as one would hope. The flat model has a unique recessed finger area for positioning the angle and depth of the blade, while preventing fingers from making contact with the blade when planing. The patent application describes this as a woodworking tool, which is perhaps its most ill suited use.
The packaging advertises it it useful in wood, plastic, leather, rubber tile, linoleum and pressed wood.
This raised area at the end of the blade cap may protect the users hand from jamming into the wing nut. The curved model has two angles, one quite sharp, one more gradual, so the two planes can be used in three different planing configurations.
This piece is used in the plane configuration Figure 4 on the instruction sheet below, useful for wood, but not really for leather.

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