Cmk Machine Capability Calculator
Online Cmk machine capability index calculator. Evaluate machining precision by calculating Cm and Cmk. An essential tool for new equipment acceptance.
What is the difference between Cmk and Cpk?
Cmk evaluates the capability of the machine itself (excluding the influence of man, material, method and environment), while Cpk evaluates the capability of the entire process. Equipment acceptance usually requires Cmk ≥ 1.67.