How it works
An electric jigsaw (the power tool, not the puzzle) from the side, then the blade end close up: the clamp that grips the blade, the roller behind it and the shoe it passes through.
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How a jigsaw cuts
The motor moves the saw blade up and down, and the teeth cut on the up-stroke. The shoe rests flat on the work and tilts for bevel cuts. With the orbital action lever set to orbital, the blade also pushes forward on each cutting stroke; set to straight, it only moves up and down.
Holding the blade
The shank at the top of the blade is pushed into the blade clamp with the teeth facing forward. The blade roller sits behind the blade just above the shoe and supports its back edge, so the thin blade stays in line.
- The lock-on button keeps the saw running when you let go of the trigger. Squeeze the trigger again to stop.
Questions and answers
What are the parts of a jigsaw tool?
A handle with a trigger switch and lock-on button, a motor housing, a shoe that rests on the work, and a saw blade held in a blade clamp. Most also have a blade roller, an orbital action lever and a dust port.
What is the shoe on a jigsaw?
The flat plate under the saw, also called the base or sole plate. It rests on the material being cut, the blade passes down through it, and it tilts to either side for bevel cuts.
What does the orbital setting on a jigsaw do?
In orbital action the blade pushes forward on the cutting stroke as well as moving up and down, which cuts faster. The straight setting moves the blade up and down only.
Which way do the teeth face on a jigsaw blade?
Forward, away from the roller. They point up, because a jigsaw cuts on the up-stroke.