The article analyses the characters of machinery factory s power facilities & illumination,sets forth the measures of conserving energy as three details followed:calculation and selection of transformer capacity;effective compensation to the no-power in the working of power facilities and the importance of the selection to the electric-ration room.

Research on modeling thermal dynamic errors of precision machine based on fuzzy logic and artifical neural network;

Research on identification of thermal dynamics characteristics parameter of precision machine based on singular value decomposition;

Genetic optimization algorithms for thermal error calibration of precision machines;

The paper describes the growing of technologies of optical element processing and precision machining in our country for more than fifty years, and discusses the necessity and feasibility on establishing process data base for optical element processing and precision machining in CIOMP.

In order to improve the operating efficiency and safety and reduce the working error,a sensor measurement system was used to test the human physiological information in precision machining such as electroencephalogram,electromyogram of forehead,blood pulse,respiration and shaking of body etc.

This paper introduces the successful experience of the rapid growth and the achievements made in Tangshan Chemical Mechanical Factory on the ruins of earthquake in Tangshan.