In order to improve the strength and production of sinter, the pelletizing engineering is reinforced, the equipments such as the drum pelletizer and so on are set, and the cokg coated process is adopted at the Sintering Plant of Laigang.

The Design & Improving of Cylinder & Packaging Auto-weave Machine;

Development of special welding machine for inner surfacing welding of high-temperature cylinder;

Check and Adjustment of the Stress of the Cylinder of Horizontal Vessels;

Research on the factors affecting impact force of thin-walled tubes;

The tangential residual stress of the external surface of the autofrettage tubes was measured by X rays.

The cause occurred the burr in the external surface of spinning tube was analyzed.

A hydraulic method for determining incipient yield pressure of thick wall cylinder;

This paper performs the limit analysis of a thick wall cylinder of linear strengthened material based on the unified strength theory.

Using elastic solution of thick wall cylinder, it is analyzed that the optimum design on three-layers assembled cavity die of cold extrusion under the elastic limit stress.

Springback compensation for large cylinder part;