The author, centering on the topic of project planning, analyzes the project planning process combined with the practice of the Yuanbaoshan third engineering fourth machine group construction project.
The centering accuracy problem is solved by centering of numerical control boring machine and the counterweight balance problem is solved by the fixed counterweight a and adjustable counterweight b.
用数控镗床定心解决了定心精度问题，用固定配重a和可调整配重块B解决了配重平衡问题。
3
Machine Tools; Spline Shafts and Spline Bore Profiles with 4 Splines, Internal Centering, Dimensions.