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<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>lompiacv</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Fri 5:11, 10 Dec 2010<span class="gen"> </span> Post subject: ugg milano Automatic Test System _2558 acceleromet</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Automatic Test System accelerometer <br /> <br /> <br />Specimen surface roughness is a linear relationship. 9 angular distribution of scattered light method is to use the method of scattered light intensity and its distribution to measure the surface roughness parameters] a laser beam projected onto the sample surface,<a href="http://www.stivaliuggboots.com" target="_blank">ugg milano</a>, its specular direction of the reflected light and scattered light distribution of ten hemispherical , the hemispherical intensity of each point of difference. The time when the surface is very smooth. Intensity mainly in the mirror direction. The rougher the surface, specular reflection direction of the weaker the light intensity, the other points, the stronger the scattering of light. When the light detector receives the light intensity and distribution, through statistics and spectral analysis, or after the anti-scattering of light, can be measured on the surface roughness parameters - such as the spatial wavelength, average slope, average height and arithmetic the average deviation. 10x X-ray diffuse scattering method grab-ray scattering is a newly developed instrument, used in the laboratory. High surface area available for real-time scanning. The basic theoretical model of perfect,<a href="http://www.toryburchsaler.net" target="_blank">tory burch</a>, non-contact measurement. Details of the optical constants do not depend to clams out of the question 0.05mm ~ 5nm roughness parameters. Sub-nanometer to tens of microns in length and 2 to 2.95 correlation between the fractal dimension information. Figure 13 shows the use of x-ray scattering measurement grab the schematic]. Figure l3x-ray diffuse scattering to measure the reflective mirror to scan the angle of incidence twice the speed of scanning the scattering angle. Grab the method by measuring scattering, the specimen is scanned in the incident beam and the beam out of the ambiguous points of the question. Scattering angle fixed at a smaller value of 1. . Can also be repeated in different scattering angles. According to grab a single scattering of ten scans can obtain roughness parameters. Adopt mixed area of about 5mm × 8mm. The surface roughness of the optical measurement techniques, in addition to using laser diffraction. Scattering, such as speckle and polarization measurement instruments that produce interference. Orange light interferometric techniques have also been developing rapidly. And optical technology has its unique advantages. If the area can provide information on surface topography. Non-contact measurement, measuring efficiency, fast response, enabling online measurement. Measurement is now into the nano era, in the semiconductor masks, disks. Space optical lenses. Ring laser gyroscopes, have been proposed RMS surface roughness less than 1nm very smooth surface requirements. Surface roughness to achieve fast, accurate, online and automated measurement. Is still the direction of future development. References 1WbJtehouseDJ. Compa ~ sonbetween ~ y [ussndopticalmethodsforroeasu ~ ngsurfmAnnalsoftheCIRP, 1988.97 (2): 649 ~ 6532VcrburgerTV. Measurements0froughnesscfverysmoothsur [& ce5. Annals0ftheCIRP, 1987I36 (2) I503 ~ 5099 Guoxiong. I amount of surface roughness of a new method Xinjiang. Machine-199o-2: 27 ~ 304 buck Xiang Cao - Wang Hong. Ba amount of surface roughness of the modern technology. Ba-control technology, 1992I2, l7 ~ 205BowenDK-Worm ~ ngtonM. Me, inurementofsurfaceroughr ~ ssandtopography and tnanometerlevelydif} useX-rayscattering. AnnalsoftheCIRP, 1994,43 (1) = 497 ~ 5001999-03-91 36-year-old man received your samples ASTRONAUTIC postdoctoral (on the next 21 million) 6 signal acquisition channel dedicated interface card with l6, l6-bit A / D, 16-bit digital output and l6-bit digital input functions. System angle signal, temperature signal, the horizontal position signals and vibration signals are based on a dedicated connection I: 1 card collection. Output from the sensor point of signals synchronized with the 24-bit hexadecimal. By the special connection I: 1 card issued D0 latched digital output signal, the angle signal latch. Segmentation method using l6-bit digital input signal in two point eight read by computer operations. Temperature, horizontal position,<a href="http://www.toryburchsaler.net" target="_blank">tory burch sale</a>, the basis of vibration. Accelerometers are the current signal range is less than 5V analog voltage signal. They are A / D interface to capture. 7 Results Cambodian language set of automatic test system accelerometer temperature control, angle control,<a href="http://www.uggbootsgunstigbillig.com" target="_blank">ugg boots billig</a>, vibration and tilt based on existing data collection in one of t, there are data processing,<a href="http://www.stivaliuggboots.com" target="_blank">ugg italia</a>, using a simple, easy to operate, the control precision is high. 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