Research on control limit of double-side-restricted management chart based on 12σ theory;

Traditional control limit calculating method is not suitable any more.

According to the level of the qualified rate of products in the course of the producing texitle products, this artide determines the control limit of control chart,works out the coefficient through the living example.

Optimization of quality characteristic control limits in rocket engine process;

The control limits of traditional control chart are based on 3 Sigma principle,these limits are determined according to experience on the basis of many tests,without accurate formula derivation.

Lighting pole welding deformation control in beacon engineering at Baotou Stadium;

The deformation control of 1000 MW ultra-supercritical turbine LP outer cylinder in field-assembling;

Foundation design based on deformation control

Distortion Control of Cutting Piece in CNC Plasma Cutting Machine;

Through the making and in_situ assembling the two all_welding large-span steel box beam which are designed for the temporary large-scale highway bridge on the shiplock of the Three Gorges project, the welding procedure, assembling sequence and welding distortion control method of the all-welding large-span steel box beam are described.

This article describes the manufacturing process of the aluminium honeycomb sandwich panel,discusses the distortion control technique of molding process in detail.