This essay discusses the design of the multiple usage NC rotary table, through the index transmission、 swing angle transmission、 coordinate axis clamp、 mechanism of work setup and unload, and so on.

A remodeling of eccentric wheel pumping unit using "Down-eccentric barbell + balance technique" has been done,not only solving its reliability problem but showing the goodness of fit(load synchronized balance) under changing load when large swing angle operation.

The controlling law of the swing angle of the 2 # boiler burner during its operation has been a puzzle to operators in Zhuhai power plant Against the various cases in the controlling of swing angle, this paper analyzes the controlling law and puts forward practical methods to control the temperature of reheat steam and reheator meta

The article outlines the basic structure and its common calibration methods of rock pipe shower test instrument,put forward a viable solution and made a more detailed description and analysis for"swinging angle calibration".

With three displacement sensors,an approximate algorithm derived from vector product was given to measure the pendulum angle of quasi-taper swinging movement.

This article discusses the relationship between the pendulous angle ＆ the measurement formula of the rotating inertia; and the effects of the choice of the pendulum ＆ pendulous frequency and air-damping on the measurement accuracy.

Calculation on the swing angle of cage chair of machine tool when cutting spiral bevel gear;