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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of The Korean Society of Manufacturing Technology Engineers
Journal Basic Information
Journal DOI :
The Korean Society of Manufacturing Technology Engineers
Editor in Chief :
Volume & Issues
Volume 4, Issue 4 - Dec 1995
Volume 4, Issue 3 - Sep 1995
Volume 4, Issue 2 - Jul 1995
Selecting the target year
2면구속 Hollow Shank(HSK) 시스템의 특성
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 7~11
Surface Grinding of Tungsten Carbide for High Quality Unign Diamond Wheel
Seoung-Jung Heo ;
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 12~24
Various surface grinding experiments using resin bonded diamond abrasive wheels are carried out for tungsten carbide materials in order to minimize the damage on the ground surface and to purse the precise dimension compared to conventional grinding machine. When grinding quality is constant, theoretical grinding effect is changed according to the speed of workpiece. Accordingly, grinding forces, which are Fn, Ft, were analyzed for the machining processes of tungsten-carbide material to obtain optimum grinding conditions. Brief investigation is carried out to decrease the dressing efficiency of resinoid bonded diamond grinding wheel to grind tungsten-carbide. Truing is also carried out to provide a desired shape on a wheel or to correct a dulled profile. High quality in dimensional accuracy and surface are often required as a structural components, therefore 3-points bending test is carried out to check machining damage on the ground surface layer, which in one of sintered brittle material. From this experimental study, some useful machining data and information to determine proper machining condition for grinding of tungsten-carbide materials are obtained.
Development of The Magnetic -Electrolytic-Abrasive Polishing (MEAP) (1st) -Effect of magnetic field on electrolytic finishing process-
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 25~30
A new finishing process, magnetic-electrolytic-abrasive polishing(MEAP), combining Lorentz' force effect in the traditional electrolytic finishing process was developed to realize the high efficiency as well as high surface quality of finishing . The paper describes the theoretical basis about the modification of electrolytic ions motion by the magnetic field. The effect of magnetic field on the electrolytic process was discussed was and analyzed from the result of model test.
Development of the Magnetic -Electrolytic-Abrasive Polishing(MEAP)(2nd) -Development of the MEAP system and finishing characteristics-
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 31~38
Magnetic-electrolytic-abrasive polishing(MEAP) system was newly developed and the finishing characteristics of Cr-coated roller was analyzed. The paper describes the operational principle of MEAP system and magnetic field effect on the MEAP process by experimental results. The finishing characteristics and optimal finishing condition for Cr-coated roller was experimented and analyzed.
A Generalized Analysis of Volumetric Error of a Machine Tool Machining a Sculpture
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 39~47
This paper suggests generalize mathematica mode for the benefit of volumetric error analysis of a multi-axis machine tool machining a sculptured surfaces. The volumetric error, in this paper, is defined as a three dimensional error at the cutting point, which is caused by the geometric errors and the kinematic errors of each axis and alignment errors of the cutting tool. The actual cutting position is analyzed based on the form shaping model including a geometric error of the moving carriage, where a form shaping model is derived from the homogeneous transformation matrix. Then the volumetric error is obtained by calculating the position difference between the actual cutting position and the ideal one calculated from a Nonuniform Rational B-Spline named as NURES. The simulation study shows the effectiveness for predicting the behavior of machining error and for the method of error compensation.
ENGINEERED SURFACE CONTROL IN TURNING PROCESS
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 48~57
The feasibility of generating controller surface topographies in single-point conventional turning operations is investigated. First, a mathematical model of the surface generation process was developed. Second, in order to control the texture of the machined surface, a micro-positioning stage and the associated command generation software were designed and built. Experimental examples have shown that surface texture can be precisely controlled and is in good agrement with the theoretical predictions.
Developement of Measuring System of Circular Motion Accuracy in Machining Center
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 58~66
It is very important to test motion accuracy and performance of NC machine tools as they affect that of all other machines machined by them in industry. In this paper, in has become possible to detect errors of linear displacement of radial direction for circular motion test using newly assembled magnetic type of linear scales so called Magnescale ball bar system, and to calculate time interval getting error motion data and revolution angle of circular motion in machining center using tick pulses come out from computer. And a set of error data gotten from test is expressed to a plot by computer treatment and to numerics of error motion by statistical treatment and results of test are compared with those of Renishaw ball bar system.
A Study on the Plasma Hot Machining to Improve the Machinability of Inconel 718
Journal of The Korean Society of Manufacturing Technology Engineers, volume 4, issue 3, 1995, Pages 67~76
An experimental study of hot machining has performed to improve the machinability of Inconel718. This experiment used plasma are for heating materials and Whisker0reinforce aluminum oxide ceramic tool insert. An assembled plasma heating system are described and experimental results from both conventional and plasma hot machining of Inconel 718 are compared. The experiments with plasma heating demonstrated the following effectiveness. 1)The cutting force was reduced with increasing surface temperature of workpiece from 450
up to 720
as much as approximately from 20 to 40%. 2) Surface roughness(Ra) was improved by as much as a factor 2 in case of one pass cutting with new ceramic tool inserts.3) The depth of cut notch were at promary cutting tool was significantly reduced.