Effective January 1, 2017 the minimum wage for all industries will be $10.50 per hour for employers with 26 more or more employees and shall remain at $10 per hour for employers with 25 or fewer employees. The minimum wage shall be adjusted on a yearly basis through 2023 according to the pre-set schedule shown above.
A 20 degree pressure angle allows for a smaller gear with less teeth before they begin to undercut making the base thinner than the pitch circle thickness of the tooth.
This should be avoided on highly loaded gears where the consequently reduced J factor will increase gear tooth stress excessively. b A minimum clearance of 0.157/P may be used for the basic 20-degree and 25-degree pressure angle rack in the case of shallow root sections and use of existing hobs or cutters.