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Encyclopedia > Rip saw
A rip saw
A rip saw

In woodworking, a cut made parallel to the direction of the grain of the workpiece is known as a rip cut. If one were to cut a tree trunk in half from top to bottom, this would be a rip cut — but the term also applies to cutting free lumber. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... In woodworking, a rip cut is a cut made parallel to the grain of the wood. ...


A rip saw is a saw that is specially designed for making rip cuts. The cutting edge of each tooth has a flat front edge and it is not angled forward or backward. This design allows each tooth to act like a chisel (as opposed to a crosscut saw), which prevents the saw from following grain lines. By acting like a chisel, the saw can more easily cut across grain lines, which is necessary if a straight cut is to be achieved. This article or section does not cite its references or sources. ...


On the vast majority of saws throughout the world, the teeth are designed to cut when the saw is being pushed through the wood (on the push stroke). However, some saws (such as Japanese saws and the saws used by Ancient Egyptians) are designed to cut on the pull stroke. The Japanese saw or nokogiri ) used in woodworking and Japanese carpentry differs from its North American and European counterpart since it cuts on the pull stroke as opposed to the push stroke. ... Map of Ancient Egypt Ancient Egypt was the civilization of the Nile Valley between about 3000 BC and the conquest of Egypt by Alexander the Great in 332 BC. As a civilization based on irrigation it is the quintessential example of an hydraulic empire. ...


  Results from FactBites:
 
Fine Tool Journal Fall 1997--"What's in a Name?" (1422 words)
Rip saws with 3 1/2 to 5 ppi were used mostly on rough unseasoned lumber.
By far the most common rip saw sold was cut with 5 1/2 ppi, a pitch that was well suited for general work in both dry and seasoned lumber that was rough or planed.
The term back saw refers to any saw which has a blade which is much thinner than a hand or rip saw and has been stiffened by a folded piece of metal which is crimped on the upper portion of the blade.
Yield Improvement in Manual Ripsaw Operations (3171 words)
An alternative to ripping random width parts would be to have a range of multiple widths being cut from the same length stock.
In sawing random width parts at the ripsaw, an effort should be made to avoid the generation of narrow, random width strips.
In the properly ripped board (Figure 2b), 67.7% of the board is converted to useful parts, while in the poorly ripped board (Figure 2c) only a 54.2% yield results.
  More results at FactBites »

 
 

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