4. Name four tools that can be used to guide material past the blade on a table saw. 5. What table saw safety feature helps prevent material from being thrown back toward the operator? 6. Name five ways to categorize circular saw blades. 7. Which direction do you turn the table saw arbor nut to loosen it? 8. For cuts other than bevels, the blade must be at _____ to the table. A. 20° B. 45° C. 90° D. 180° 9. Cutting wood or plywood along the grain is known as _____. A. ripping B. crosscutting C. beveling D. resawing 10. Cutting through wood or plywood across the face grain is known as _____. A. ripping B. crosscutting C. beveling D. resawing 11. Name two methods for cutting duplicate work- pieces to equal lengths on a table saw. 12. On a tilting-arbor table saw, the _____ is tilted for beveling. 13. When is resawing on the table saw a one-pass operation? 14. What is a scoring blade? 15. What radial arm saw adjustment does the ele- vation crank perform? A. Raises or lowers the blade. B. Positions the blade for a miter cut. C. Positions the blade for ripping in the in-rip mode. D. Positions the blade for beveling. 16. The radial arm saw is well suited for _____ lumber and wood products. 17. Both band saws and scroll saws have _____ blades that allow the saws to cut curves. 18. To saw a workpiece with sharp inside or out- side curves that change direction, _____ are necessary. 19. Adjusting the top wheel on a band saw allows the operator to control _____. A. blade tension B. alignment C. Both A and B. D. None of the above. 20. Marquetry and inlay can be cut using a(n) _____ saw, which has a thin, narrow blade. 21. Describe how to cut pockets on a scroll saw. 22. List four important blade specifications. 23. _____ angle refers to the angle at which the front edge of the tooth contacts the material. 24. True or False? Carbide-tipped blades can be hand sharpened. 25. List four maintenance operations that, when done periodically, will increase the usable life of saw blades. Suggested Activities 1. The typical saw motor in the United States runs at 3450 rpm. Verify this with the nameplate on the motor of your table saw. Using this infor- mation and the diameter of your saw blade, cal- culate the rotational rim speed of your blade. The following formula can be used: Blade dia. (″) × 3.14 12 = rim speed in miles per hour (mph) rpm × 60 5280 × How many miles per hour are the teeth travel- ling? Given a blade with 60 teeth, how many times per second does the same tooth pass through the material? Share your calculations with your instructor. 2. Obtain the four different circular saw blade types described in this chapter. Install each in a table saw, one at a time, and crosscut a piece of solid stock at partial depth. Compare the cut profiles as well as the quality of each cut. Share your observations with your instructor. 3. The inclusion of flesh-sensing technology has created a great debate within the industry about whether or not this should be required on all table saws. Using the Internet as a resource, research the debate. Prepare a written argument stating whether you are for or against requiring table saws be equipped with this technology. Share your report with your class. Copyright Goodheart-Willcox Co., Inc. Chapter 23 Sawing with Stationary Power Machines 409