Measuring residual stresses in tensioned circular saws
I want to buy a hand-held circular saw
, but I'm confused by all the choices.
Police use a circular saw
to raid a house in Colwyn Bay, leaving a dog to wonder what's going on (top left).
For later tractors with rear PTO shafts, or even rear-mounted belt pulleys, a number of manufacturers offered rear-mounted circular saws
. Unlike their front-mounted counter-parts, these saws were generally mounted only during firewood season.
According to Mike Goreman, cordless product manager with Columbia, Md.-based DeWalt, approximately 40 percent of trim and finish carpenters use cordless circular saws
. He estimates that only 10 percent of framers work with cordless saws because most need the power of a corded tool for heavy cutting.
Here's some sage advice that circular saw
blade users can really sink their teeth into.
brazed with tips of hard alloy materials such as tungsten carbide (TC) or polycrystalline diamond (PCD) are used for cutting solid wood and wood-based composites because of their good tool wear resistance.
These range from the standard circular saw
to the compound mitre saw, which can also be used to cut plastic, alloys and nonferrous metals.
Consumer Product Safety Commission have announced a recall of 180,000 Makita circular saws
. According to the CPSC, the saws' lower blade guard can jam, bringing the user in contact with the saw blade.
Installers generally can choose between circular saws
with fiber cement blades, which can cut several pieces at a time, or fiber cement shears, which can cut only one piece at a time but can make scroll cuts, curves, and holes.