Chipbreakers have been invented in 1846 by the satan.
Sure, they’ll eradicate tear-out when set .007” from the
slicing fringe of your smoothing airplane. However in any other case,
chipbreakers appear to trigger extra ulcers than they repair.
I see a whole lot of mucked-up chipbreakers on college students’ planes. And
when you find yourself in a two-day class, you can not say: Go order a brand new
breaker and iron and you then’ll be wonderful. You need to repair the
pet proper then and there.
Listed here are two last-ditch tips.
Trick 1: When the breaker received’t mate. Essentially the most
frequent chipbreaker illness is that its entrance edge won’t match
tightly on the again of the iron. And the gaps are shaving traps
– two strokes and your mouth is fouled.
The reason for the issue may be that the entrance fringe of the
breaker is mucked up. Or, even worse, the again of the iron has
an enormous previous hump on it from ham-handed sharpening.
The very first thing I inform college students to do is to stone the main
fringe of the chipbreaker. Or, in sure instances, to file it in
the center to create complementary surfaces between the breaker
Generally, that isn’t sufficient. And so I fetch my burnisher. I
screw the breaker and iron collectively after which run the nook of
my burnisher on the forefront of the chipbreaker. This
deforms the metallic on the tip of the breaker and virtually at all times
fills in any gaps.
It’s a brief answer – the deformed metallic can flake off
while you take away the breaker to sharpen the iron. However it works
like loopy within the area.
Be aware: You too can use some other super-hard pointy factor to
deform the breaker, together with a nail set or an axe.
Trick 2: When the iron is bent. On this new
age of aftermarket irons and breakers, I’ve seen a brand new
downside floor with chipbreakers. The breakers are so stout
that they’ll bend the iron right into a curve. This causes all kinds
of issues. The iron doesn’t mate on the frog or mattress of the
airplane. And, after a while, the breaker received’t mate on the again
of the iron, both.
What to do? Shim the again of the breaker. I exploit items of
plastic or no matter is helpful to shim the breaker behind its
screw. This pushes the entrance edge down towards the iron.
You too can use this trick when the breaker is just too flat after
years of use and being underneath rigidity. The shim will add new
As I mentioned above, these are short-term “get it finished” fixes. You
would possibly assume they’re a bit redneck-y and sloppy, and to that I
say: Soooooooooooie pig.
— Christopher Schwarz
Discover extra tips and suggestions for handplanes in “Handplane
Essentials,” out there now in paperback for much less cash at