Manufacturing Process of the Gear Housing

1) Describe the Procure and Manufacturing Process of the Gear Housing

1. a) Blanks
2. b) Locating of blank (and machining for shafts)
3. c) Set up (how many degrees of freedom and in what way? radial or axial?)
4. d) Clamping
5. e) Machining Process: Milling what, Turning what & Drilling what
6. f) Any heat treatment needed to what components
7. g) Suggest tolerancing (where?)