Читать книгу Practical Weekend Projects for Woodworkers - Phillip Gardner - Страница 22

Once you start doing a lot of routing, you will find that you begin to amass a collection of cutters, which come in a huge range of sizes and designs to suit differing jobs and materials. It is usually a false economy to buy a set of cutters because they often contain designs that you will never use. Buy good cutters, but since they are expensive, buy them only as you need them.

The majority of cutters on the market are TCT—tipped with tungsten carbide—because they are extremely durable and can be used on a wide range of materials. They can also be sharpened in the workshop using a diamond hone. Cutters are also commonly made from high-speed steel (HSS), which are cheaper than TCT cutters and capable of taking a much sharper edge. However, they are more easily blunted than TCT cutters and cannot be used on abrasive lumber or man-made boards.

Keep in Mind

The cutter, fully exposed in most cases, rotates at a phenomenal speed. Take care and preferably use a plunge router, which allows the cutter to be withdrawn into the machine before and after each cut.