A lumber edger is a device with saws used to straighten and smooth rough
lumber or bowed stock by making a cut along the sides of the boards. The result of this process is dimensional lumber.
In a saw mill the edger is next in line from the
head saw
A head saw, framesaw, gang saw or head rig is the saw that makes the initial cuts in a log at a sawmill, turning a log into cants, or planks of wood.
History
The original powered head saw was composed of long, narrow blades that used an up-and-do ...
. The feed and press rollers on the edger are usually powered, passing the lumber through the machine. The length of feed and tables depends upon the lumber produced by the head saw.
Edgers can be categorized as gang
p. 547
/ref> or shifting edgers. In gang edgers the saws remain stationary. In a shifting edger the saws can move left or right independently of one another. This allows setting the saws to best maximize the product that can be produced from a particular cant
Cant, CANT, canting, or canted may refer to:
Language
* Cant (language), a secret language
* Beurla Reagaird, a language of the Scottish Highland Travellers
* Scottish Cant, a language of the Scottish Lowland Travellers
* Shelta or the Cant, a la ...
.
See also
*Sawmill
A sawmill (saw mill, saw-mill) or lumber mill is a facility where logs are cut into lumber. Modern sawmills use a motorized saw to cut logs lengthwise to make long pieces, and crosswise to length depending on standard or custom sizes (dimensi ...
*Resaw
A resaw is a large band saw optimized for cutting timber along the grain to reduce larger sections into smaller sections or veneers. Resawing veneers requires a wide blade – commonly 2 to 3 inches (52–78 mm) – with a small kerf
...
References
External links
Hardwood lumber edger and trimmer training system
{{Forestry tools
Sawmill technology
Saws