The clever use of Excel spreadsheets in AutoCAD has had an unexpected effect on our tool design. Specific examples are as follows: Variable displacement spur gears are known: modulus m = 6 mm, number of teeth z = 11, and pressure angle αf = 20°. The tip height coefficient fa=1. Radial clearance coefficient C'=0.25, displacement coefficient x=0.36, tooth thickness reduction amount △s=0, index circle radius rf=33, root circle radius ri=27.66, top circle radius ra=41.16, machining The gear milling cutter of this gear has a tooth profile curve. Calculation steps for gear milling cutter profile:
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