On the basis of this, a method for rapid determining roughcast allowances and tolerance based upon ANN is presented, ANN model is set up, and unitary processing about input factors is finished.

• 以此为基础，提出了一种基于神经网络的铸件机械加工馀量和尺寸公差的快速确定方法，建立了神经网络模型，完成了输入因素的归一化处理。