10 Set milling head to cut simple angles with end mill using a protractor. Set workpiece for angular cutting using sine bar and gage blocks. Set up mill using a shell mill to cut angles. Set up mill to use peripheral teeth. Set up mill using a dividing head to cut angles on round stock.
Introduction Describe the types of gears and spur gear terms.
Use 14 formulas for finding information about spur gears. Setup Demonstrate the setup of a horizontal mill to cut spur gears to specifications. Select a dividing head and footstock using the indexing formula to determine the turns of the sector arms to move the workpiece from one tooth to the next. Explain the numbering system for a gear cutter. Mount a gear blank on a mandrill for cutting.