36. Sketch and name three common tooth forms used on band saw blades. a. b. C. 39. Make a sketch of an involute spur gear and label the following items by using the corresponding letter(s) to identify the feature. The circle provided is the pitch circle of the gear. Draw only two or three teeth of the gear. A D addendum dedendum WD Whole depth PD pitch diameter Cl clearance RC root circle OD Outside diameter CP Circular pitch Part 3-Machining Calculations (show all work for full credit) 47. Calculate the pitch, single depth, minor diameter, and width of crest for a 5/8 - 8 UNC external thread. Give all answers in inches to 4 decimal places. Pitch = Single depth= Minor Diameter=