The mill attachment consists of a pair of rails which are attached to bar of the chainsaw. The rails ride on a plank and then a previously cut surface and guide the chainsaw blade through the log at a consistent depth so that planks of a predetermined thickness are cut. The distance between the rails and the bar determines this thickness and it can be adjusted by moving the rails along a post at each end of the mill attachment.
Small mills use a single chainsaw and can be handled by a single operator. Larger mills use two chainsaws, one on either side of the attachment and these require two operators. This larger style of mill requires a special bar which allows the two chainsaw heads to be attached at either end. The width of the plank that can be cut is determined by the length of the bar, up to Script error: No such module "convert". so for logs having a large diameter, the longer bar is necessary. Also a special chain is designed to make rip cuts rather than the usual chainsaw chain which is for cross-cutting.
For the first cut, a pair of rails or a plank are usually attached to the log to give the mill attachment a reference surface to guide it or other commercially made jigs are available such as a timberjigs. Subsequent cuts are made using the surface of the previous cut as the guide.
Alaskan mills are relatively cheap to purchase compared to other types of portable sawmill and are the most portable type of powered sawmill. They are therefore popular with hobbyist woodworkers who have access to felled timber.
- Malloff, Will, and Beth Erickson. Chainsaw lumbermaking. Newtown, Conn.: Taunton Press, 1982. Print.
- Gehring, Abigail R.. The back to basics handbook: a guide to buying and working land, raising livestock, enjoying your harvest, household skills and crafts, and more. New York, NY: Skyhorse Pub., 2011. Print.
- Lopez, Barry. "Mill Lumber With Your Chainsaw". Popular Science Vol. 212, No. 6 Jun 1978, Page 89
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