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  • 1
    Electronic Resource
    Electronic Resource
    Compensation Control of Cutting Tool Position in Machining Non-Axisymmetric Optic Mirror Surface (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 505-507 (Jan. 2006), p. 181-186 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Piezoelectric servo mechanism, with its existing nonlinear response and hysteresis,restricts the precision greatly when applied to manufacturing of non-axisymmetric optic mirror. On the basis of theory analysis and experiments, this paper builds three kinds of feed-forward model of piezoelectric servo cutting system. According to these mathematical models, we make the compensation control to the cutting tool position, which results the maximum displacement error less than 0.04μm. And based on this method, experiments on machining non-axisymmetric opticsurface of wave front corrector shows the Zernike relative error is less than 10%. So the compensation control of feed-forward control model of cutting tools position can efficiently counteract the influence of nonlinear response and hysteresis, which improves machining precision of non-axisymmetric optic mirror surface
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/11/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.505-507.181.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Diamond Turning of Special Stainless Steel by Applying Ultrasonic Vibration with Gas Shield (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 532-533 (Dec. 2006), p. 57-60 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Ultrasonic vibration is applied to diamond turning of special stainless steel to decreasediamond tool wear and improve the surface quality of the workpieces. It reviews the principle ofdiamond turning of special stainless steel by applying ultrasonic vibration combined with gas shield.Compared with the ordinary machining method, cutting temperature and cutting force are greatlyreduced when machining by application of ultrasonic vibration, and the appetency between adiamond tool and Ferrous atom of a workpiece is also minimized as gas shield application. TheExperiments of cutting special stainless steel workpieces show that the surface roughness Ra is lessthan 0.15μm and flank wear-width is less than 5μm when cutting distance is up to 2000m. It takesresearch on the effect of cutting parameters to surface roughness and tool wear. The experimentresult shows that the amplitude is the most important factor which effects tool wear and surfaceroughness most
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.57.pdf
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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