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HZ –KD2010 sis-axle double –Motou Dragon Gate digital graphic grinder , using FANUC-OMC digital systems ,using four roots CNC axis control two separate horizontal and vertical into Motou to use a PMC peripheral Moutou control of the grinding wheel axle repair vehicles lords-chin to the other roots PMC axis control Almighty Motou sub-degree rotation . Take full advantage of the system performance, reduce production costs and enhance the Xingjiabi of machines tool .
This paper presents an alternative centerless grinding machine technology, that is, through feed surface grinder centerless grinder. In the new method, a compact centerless grinder units, guides, ultrasonic crawler, a blade of their respective holders, mounted in a surface grinder table at the workpiece is fed into and through feed centerless grinding machine operation is performed guides the space between the grinding wheel and the ultrasonic crawler. Ultrasonic crawler, the metal elastic body is bonded to the piezoelectric ceramic production, inclined at a small angle in order to provide sufficient strength to control the rotational movement of the workpiece, and feed the ultrasonic elliptical vibration of the workpiece along its axis. In this article, the movement of the workpiece control we must first ensure that the workpiece speed and feed rate can completely control the ultrasonic crawler, which is a high-precision grinding operation is essential. Then, the main process parameters, such as the eccentric angle of the workpiece, the cutting, the ultrasonic crawler inclination angle of the machining accuracy of the applied voltage amplitude (i.e., the roundness of the cylindrical workpiece and the workpiece) were clarified experiment. The results obtained show that: (1) the workpiece rotational speed can be adjusted by changing the amplitude of the applied voltage, by feedrate can be changed by applying a voltage magnitude and the ultrasonic crawler inclination angle of adjustment; (2) the top of the eccentric angle of 6 °, a larger cutting a smaller inclination angle, or the higher the applied voltage is better for higher machining accuracy; (3) and roundness of cylindrical workpiece from the initial value 16.63μm 14.86μm improvement Finally, the optimum grinding conditions under 1.49 microns and 0.74 microns.
Keywords: centerless grinding surface grinding machine ultrasonic vibration track runs through the feed roundness 1 Introduction
Centerless grinding machine, high efficiency of the manufacturing process, has been widely used in high-precision, high productivity machining cylindrical parts, such as bearing raceways, ingots, acupuncture device and catheter. In the manufacturing industry, the two types of centerless grinding machine can be purchased: one is to adjust the rollers and track. They are different from one another workpiece is how to support and how to control the workpiece speed grinding. Self-adjusting wheel type centerless grinding machine of the invention by the 1915 Anaheim (yonetsu, 1966), a lot of research has been committed to improve the precision and efficiency. Rowe and Barash (1964) proposed a computer survey methodology inherent the centerless grinder accuracy, taking into account the geometric factors and elastic deflection machine. Rowe et al. (1965) the processing of the experimental elastic parameters. Rowe and koenigsberger (1965), describe a chart and discussion of the method of analysis of a derived stable threshold Working recycled corrugated workpiece in centerless grinding encountered dynamic machine characteristics and geometric effects in the the abrasive operating system configuration. Miyashita
Deformation of the contact area and the establishment of conditions of freedom of choice of the dynamic model chatter, Experimental study of high removal rate grinding process and optimize the grinding conditions. Wu et al. (1996) to clarify the effects of grinding parameters by computer simulation methods roundness error. study the geometry of the center rounded below the center centerless grinding machine, in order to assist in the choice of setting conditions. Gold (2003) describes a 3-D grinder model takes into account the contact line between the grinding wheel and the workpiece survey through feed centerless cylindrical formation mechanism of the grinding process. krajnik et al. (2008) developed an analytical model to assist in efficient centerless grinder system settings higher processing flexibility and productivity. drazumeric et al. (2010) discussed and adopted by the feed centerless grinding process simulation in a virtual environment, it is based on the analysis of the grinding gap model grinding gap macro geometry and workpiece dynamics and avoid contact with issues related to the normal operation of the control wheel and the workpiece between loss.