Fortunately I have not experienced circular saw kickback or chain
saw. I have read about it and I am wondering how strong it is,
though. I know the answer probably depends on the HP of the saw, the
material being cut, user posture and strength, etc. Is the force
imparted so strong that a reasonably healthy guy would still be able
to hold onto the saw (with two hands) or does the saw simply go flying
out of your hands?
I never shed blood from saw kickback but was injured. One of the 1st times I
ran a table saw I didn't have the fence parallel to the blade and when I
forced the stock it kicked back and bent\\broke my finger. For better or
worse I've never been able to wear a wedding ring cause that knuckle in now
too big to get a ring over that fits the lower part of my finger.
My circ saw kicked back on me when I was almost done pruning the
branch of a beautiful japanese dogwood growing in our front yard. It
costed me a quart of blood and twelve outer plus four inner stitches
on the top of my right wrist...
ps yeah, kickback is quite strong - and I'm a well built , 200 lb ,
healthy guy who has no problem lifting 150 lb weighs...
The kickback depends on how the blade/chain meets the surface. When
saw chain on the long part of the bar pinches, you may get a healthy
pushback. However, when plunge cutting, if the nose of the bar
contacts the surface, the whole bar will swing up rapidly since the
chain moves DOWN at that point. One of the reasons plunge cutting is
For circular saws, the problem is that they are already close to your
legs and hands. They don't have to go far to bite you. Carpenters do
remove or pin back the guard, leaving the blade in the air with the
saw upside down. Most saws don't have a blade brake, so they are still
spinning after the trigger is released.
Do NOT cut a board laid across your knee. More than the board might
On Fri, 6 Feb 2009 14:42:56 -0800 (PST), email@example.com wrote:
I had a manager that did this pruning branches with a circular saw.
Almost died of blood loss when saw slipped and cut into his thigh. He
was also on crutches for a couple of weeks.
Did not know about plunge cutting - something I will now avoid.
I was helping my inexperienced Bro-in-law with some remodeling and he kept
placing his foot right behind the saw where he was cutting. Finally I took
the saw, placed a loaf of bread behind it and faked a kickback. Had enough
bread crumbs to stuff the turkey, but he finally understood what I meant!
Keep all body parts away from the saw in anyway it or the stock being cut
might fly - to the front, back, or up.
He also had a tendency to want to hold both ends of the piece he was
cutting - foot on one piece hand on the other end. That's a sure recipe for
kick back as it easily binds the blade...
The first time I ever seen kick back, was in Jr. High shop class.
One fella was leaning over the stock area, looking for a piece of wood.
Another guy was ripping on a table saw. It shot that wood out & hit the guy
square in the rump, he fell into the wood pile. I started laughing, & this
was back when they paddled kids. That shop teacher gave me 3 swats with
that damn paddle for laughing! True story!
The wood tore the guys pants, cut his leg open, and he broke his glasses
when he fell into the wood pile. I think what was injured the most, was his
Similar. In H.S. and someone was ripping a piece. Don't remember details.
May have had narrow piece between fence and blade or something.
Fortunately he was standing aside the saw rear. Piece shot back to back
of shop where lathes were. Hit piece spinning. That goes into shop orbit.
That was in the late 60's though. Whole thing may have been a
hallucination. In reality, I could have been sitting in a parking lot and
a couple of birds just flew over.
On Feb 6, 2:42 pm, firstname.lastname@example.org wrote:
Chainsaw kickback: One _can_ stop one before the chain hits you but
only if you have a firm hold on the saw and are braced. I have had
several over the past 30 years and, so far, have not came close to
getting cut. I lay that down to luck though.
A kickback with a chainsaw is both VICIOUS and SUDDEN! You have no
time to react.
Bore cuts: Not bad if you understand the dynamics. The saw will kick
back if the top quadrant of the nose contacts something, therefore
start a bore cut with the bottom half of the nose, git it well into
the log and then rotate the saw straight while pushing. You won't get
a kickback after the nose is buried as it is held by uncut wood - you
will, however get a 'push back' if you let the top of the bar contact
uncut wood - that is controllable though.
This happens faster than you can react or think!
Basically ALWAYS two hands on circular saws. Always use clamps to hold down
what you are sawing. This keeps that extra hand out of the way of a saw
kicking back and keeps control of the saw.
For chainsaws, this is one thing where you *need* to read all safety
directions and get the safety DVD below. You can use a chainsaw in a manner
which will protect you in the case of a kickback - if you learn the correct
way to use and hold the saw...
Stihl Chainsaw Safety and Maintenance DVD...
Don't scare yourself out of the pleasures of using tools. You can
be hurt by all tools, not by the tool, but, rather, by the idiot
driving it. A screwdriver that slips off the screw can enter some
part of your anatomy if you aren't careful.
Have a healthy respect for the things that can go wrong and
position the work and your body accordingly.
Keep the whole world singing . . . .
The force is probably enough that a reasonably healthy guy could hold on
to the saw with both hands. The trouble is kickbacks usually happen
FAST! There's simply not enough time to react once you realize the
kickback is happening, and by the time you do react it's over.
On Usenet, no one can hear you laugh. That\'s a good thing, though, as
some writers are incorrigible.
Kickback accidents are over in less than one second. People who are strong,
but in the wrong position or holding on lightly can have a tool get away
from them. How many times has a small drill kicked your ass? (or just
twisted a finger or wrist) As posted by Dan G., knowing how to use the tool
and where the danger points are is a lot of it. I use electric hand held
grinders and wire brushes a lot. I KNOW from hundreds of hours using them
where the points are on the spinning device that kickback occurs. I have
learned this over time, and without major consequences. But I have seen
others who were not so lucky. Every damn tool in the box can hurt you if
you don't use it right. Yesterday evening I stuck myself with an Xacto
knife point. First thought was, "that was dumb". And it was. It was 200%
Rueful chuckle. I resemble that remark. I drive a desk for a living
these days, but have been known to still pick up a tool when nobody is
looking, or when doing it myself is less work than doing the paperwork
to have somebody else do it. Right now I have 2-3 healing spots on both
hands from minor nicks caused by not paying attention to what I was
lifting or bolting or whatever. And I frigging grew up on construction
sites. But to bring this on topic, I have never been bit by saw
kickback, circular or table or chain. My father beat the proper
procedures on how to do all that into me at an early age. (I was the
table saw 'catcher' on the jobsites from as soon as I was big enough to
handle the weight. Different world back then, pre-OSHA, and when
bringing your kid to work was considered a Good Thing.)
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