In grinding process, the dimensional precision of work piece shows its uncertainty and non-linearity because of the machine tool property, the grinding wheel, the clamp, etc.

• 在磨削加工中,受机床、砂轮、工件、夹具等众多因素的影响,加工工件的尺寸精度和精度一致性呈现出不确定性和严重的非线性。