surface process control

This paper describes the methods of controlling the frame quality in terms of process design, mould design, control of deformation and defects from welding surface treatment, etc.

从工艺设计、胎具设计、控制焊接变形和缺陷、表面处理等各环节实行严格的品质控制，多年来生产出多种型号的车架全部为合格品。

Strip surface detection is one of the basic process of strip quality control, existing methods for strip surface detection couldn't meet the accuracy and real-time capability for industrial spots.

带钢表面缺陷检测是带钢质量控制的重要环节之一，但现有带钢表面缺陷自动检测方法在准确性和实时性上还难以满足工业现场需要。

This paper introduces a new chemical colouring technology for copper and its alloy surface to colour a Verde green with respect to technical process, prescription, quality control and so forth.

从工艺流程、配方、质量影响因素等方面，介绍一种在铜及其合金表面着自然铜绿的化学着色新工艺。