question about cutting logs with chainshaw?
I have a craftsman 42cc-18 inch chainsaw. My boss cought his tree down and gave me the trunk pieces that he cut down. They range from 2 feet wide ,3 feet high to 8 inches high, 1 foot high. I just got a blade for it. I set tension and it has an automatic lube. I read the book for the chainsaw and followed the directions, but after cutting 2 logs that were 8 inches high, 1 foot high the blade dulled out on me. It just will not cut anymore. I dont understand what I did wrong. I did not overload the chainsaw. Also any tips on cutting real big tree trunk pieces.
I use a chainsaw a lot and usually on oak wood, which is much harder than pine. A sharp, or new blade will stay sharp for several days, if not longer, with care. If you hit a rock, or anything metal (nails, fence wire), with the blade while it is running, the blade will dull immediately. A lot of sand on the logs will also dull the blade, and wear out the guide slot on the bar.
A chainsaw is a cross-cut saw. That is it cuts well across the grain, but very poorly with the grain of the wood.
All the saw does is spin the blade. You can cut a log twice the length of the bar/blade, or in your case up to 36 inches in diameter easily (I know it is hard work).
When cutting large logs, I cut at least half way through the log, then roll it over to finish the cut. If you can roll the log onto a smaller log, to hold it off the ground, you can cut all the way through.
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Texas Chain Saw Massacre Tribute (1974)
If you are just beginning to build your power tool collection, a jigsaw is the first saw you should buy. A jigsaw, formerly called a scroll saw, is a good all purpose saw because it can make both straight cuts as well as curved cuts for a stenciled design or custom shape.
It should, however, be noted that cutting very precise and exactly straight lines can be difficult for a jigsaw even when using a guide (a better option for exact cuts would be a circular saw or a table saw.) This power tool is typically hand held and easy to use because it is generally lightweight.
A jigsaw is usually found as a corded model, although it is possible to find a battery operated one. A feature of virtually all models is interchangeable blades. Jigsaws are generally used to cut through wood and other similar materials, but different materials can be cut using specific blades.
The blades do have a tendency to bend when used to cut thicker materials or when used to cut designs with very sharp curves. But that isn't too much of a problem because they are relatively inexpensive to replace. Jigsaws excel at sawing through thin materials but can cut pieces that are up to one and a half inches thick. But beware of overheating a jigsaw or forcing the saw forward to quickly while cutting thick pieces.
It is also important to note that the reciprocating blade is pulled upward and so all materials to be cut ought to be placed finished side face down to avoid chips in the surface. Generally all jigsaw models also feature a bevel function which allows the blade to cut angles up to forty-five degrees relative to the vertical position for miter joints.
Prices of jigsaws vary but can be found for as low as forty dollars. They are relatively inexpensive when compared with other power tools and saws, but yet jigsaws are often the most helpful tools in the shed. The prices increase with better brands, higher quality, more powerful models, longer warranties, and additional features.
Some of the common features found in most jigsaws include a variable speed option, a quick release for fast and easy changing of blades, and a tool free bevel adjustment function. Other jigsaws offer a dust collection mechanism and a blade storage compartment on the power tool itself. When you finally do purchase your first jigsaw, make sure that you protect your investment by storing it in the specified case and in a safe place. It is also important to keep it clean and well maintained.
When using the jigsaw always wear goggles or protective eye wear and it may be wise to wear protective gloves as well. Don't try to cut material greater than an inch and half thick as the results may be less than satisfactory and you may damage your new power tool. Also, go slowly when making cuts to ensure your safety and the exactness of your cuts.
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