Download ~ Paper-Cutting Machines ~ by David Grayson ~ eBook PDF Kindle ePub Free
eBook details
- Title: Paper-Cutting Machines
- Author : David Grayson
- Release Date : January 01, 2012
- Genre: Fiction & Literature,Books,
- Pages : * pages
- Size : 582 KB
Description
A knife will sometimes cut better after it has been ground the first time. A polished knife will give a better surface to the cut. The cutting of the same kind of stock will often vary with different makes of knives. An oily rag tied to a stick kept handy and passed along the bevel of the knife before cutting hard stock will improve the cut. A blunt bevel is preferred for hard stock; a long, thin bevel for soft stock. A general rule for the length of bevel on knives is two and one-half times the thickness of the knife. This may be varied to suit the different materials to be cut, but must be held within reasonable limits to preserve the strength of the cutting edge of the knife and also to secure accurate, clean cutting.
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