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1、TL-500C型凸輪軸形面誤差綜合測量儀技術協議TechnicalProtocoloftheTL-500CTypeComprehensiveCamshaftProfileSurfaceErrorMeasuringInstrument1.測量原理:該儀器采用極坐標測量原理，由精密滾動主軸系統(tǒng)和高精度光柵編碼器生成被測量凸輪軸回轉角度的圓分度，由徑向精密滾動導軌和長光柵傳感器在徑向方向上掃描凸桃形而每一分度對應的徑向凸桃升程，測量評值軟件根據被測量凸桃的理論升程表測量出該凸桃的升程和相位角謀差。(原理如圖示)!?Me
2、asuringPrincipleThisinstrumentadoptsthepolecoordinatesmeasuringprinciple.Theprecisionrollingmainshaftsystemandthehighaccuracyencodergeneratetheroundgraduationofthemeasuredcamshaftturnangle,theradialprecisionrollingguidewayandthelinearencoderscanintheradialdir
3、ectiontheradialascendingstrokeofthepeach-shapedcamcorrespondingtoeachgraduationonthepeach-shapedcamprofilesurface,themeasuringandvalue-evaluationsoftwaremeasurestheascendingstrokeerrorandphaseangleerrorofthispeach-shapedcamaccordingtothetheoreticallifttableof
4、themeasuredpeach-shapedcam.(SeetheSketchbelow.)桃形500mm60mm70mm30Kg0.0001mm0.0005°0.0015mm升程0.003mm,角度3’升程土0.003mm,角度±5'測量原理圖測量原理圖Sketchofthemeasuringprinciple2?技術指標:可測量凸輪軸軸向長度測頭徑向測量行程……主軸回轉半徑最大承載重量測頭徑向分辨率主軸回轉分辨率主軸系下頂尖徑向跳動測量重復性示值誤差2.Specifications:Measurableax
5、iallengthofthecamshaft500mmRadialmeasuringdistanceofthemeasuringhead60mmTurnradiusofthemainshaft70mmMaximumpermissibleweight30kgRadialresolutionofthemeasuringhead0.0001mmTurnresolutionofthemainshaft0.0005°Radialjumpingofthelowercenterofthemainshaftsystem■一0.0
6、015mmMeasurementrepeatabilityAscendingstroke0.003mm,Angle3DisplayvalueerrorAscendingstroke土0.003mm,Angle土53.結構組成：該儀器采用立式測量結構，被測量凸輪軸垂直安裝在主軸和上頂尖之間，因而減小重力因素產生的凸輪軸偏心誤差。（結構如圖示）主機臺面：釆用花崗巖臺面，確保主軸系高精度安裝；主軸系：采用高精度密珠滾動軸系、進口海德漢高精度圓光柵、柔孜電機控制；測量立柱：采用花崗巖基體、進口精密直線導軌和滾珠絲杠、封閉
7、式長光柵、柔孜電機控制；徑向測頭滑座：采用進口精密滾動導軌、進口高精度長光柵、柔孜電機控制；計算機系統(tǒng)：釆用國產品牌聯想計算機系統(tǒng)（15”液晶顯示）、激光打印機輸出；測量軟件：完全自主知識產權的專業(yè)凸輪軸測量分析軟件；3?ConfigurationConstituents:Thisinstrumentadoptsverticalmeasurementstructure,themeasuredcamshaftismountedbetweenthemainshaftandtheuppercenterverticall
8、ytoreducetheeccentricenorofthecamshaftcausedbythegravityfactor.(Configurationisasshownabove.)Themainunittable:Adoptsthegranitetabletoensurethehighlypreciseinstallationofthemainshaftsystem
