應(yīng)變測試儀教育訓練課程

1、會計學1應(yīng)變測試儀教育訓練課程應(yīng)變測試儀教育訓練課程covercarrier foilgridleadsactivegrid length單軸雙軸三軸未改良前舊設(shè)計未改良前舊設(shè)計 需要較大的佈線空間需要較大的佈線空間 (bigger wire area)(bigger wire area)改良後新設(shè)計改良後新設(shè)計(1)(1)圓型基座圓型基座(2)(2)方型基座方型基座 (3)(3)六邊型基座六邊型基座0度度45度度90度度兩側(cè)接點兩側(cè)接點 (0(0度及度及9090度度) )轉(zhuǎn)折處易轉(zhuǎn)折處易斷裂斷裂0度度45度度90度度大大節(jié)省了所需大大節(jié)省了所需要佈線空間要佈線空間 (more small (

2、more small wire area)wire area)同一方向出線同一方向出線, , 大幅改善了大幅改善了接線轉(zhuǎn)折所造成的斷裂問題接線轉(zhuǎn)折所造成的斷裂問題45度度90度度0度度45度度90度度容易造定位角度偏差容易造定位角度偏差 (Angle error)0度度45度度0度度90度度45度度0度度90度度定位準確性定位準確性(1)(1)圓型基座圓型基座(2)(2)方型基座方型基座 (3)(3)六邊型基座六邊型基座定位準確性定位準確性定位準確性定位準確性正確正確不正確不正確舊設(shè)計舊設(shè)計 (Before)新設(shè)計新設(shè)計 (NOW) 500 mm PVC細線細線( 0.45 x 500 mm

3、)45度度90度度0度度辨識性及實用性辨識性及實用性45度度0度度90度度 300 mm 漆包線漆包線( 0.14 x 300 mm )紅色紅色: 0度度藍色藍色: 45度度白色白色: 90度度(1)不同顏色導(dǎo)線識別角不同顏色導(dǎo)線識別角度度 讓您辨識及除錯更容讓您辨識及除錯更容易易原有漆包線保留(2) 額外延長額外延長500mm導(dǎo)導(dǎo)線線 讓您連線儀器更方讓您連線儀器更方便便三個角度出線皆為金色三個角度出線皆為金色漆包線辨識及除錯不易漆包線辨識及除錯不易辨識性及實用性辨識性及實用性任選任選Lead wire styleLead wire styleJ-1 seriesFR-1 seriesJR-

4、1A seriesJR-02A seriesJR-1 seriesJR-02 series漆包線漆包線 ( 0.14 mm )細細 PVC 線線 ( 0.45 mm)粗粗 PVC 線線 ( 1 mm )FR-1-L30W05MSFR-1-W08MSFR-1-12L30+05MSFR-1L30W05-3MSJR-1A12L30W05MS J-1-12L30W05MSNEWJR-02A seriesJR-1 seriesJR-02 seriesDifferent materials have different temperature compensationfactor gague : kllk

5、RRmmR1212000024. 0R1432UoUeR1R2R3R4UoUe1432R1R2R3R4u4u12111RRRUeu4344RRRUeuUouu14434211RRRRRRUeUoUe1432R1R2R3R4u4u1UoURRRRRRE112434 43214231RRRRRRRRUUoE0 3421O URRRR Unbalanced Bridge443344221111RRRRRRRRRRRRUUoVE4321 RRandRRif4433221141RRRRRRRRUUoERRk43214kUUoEPos. StrainFSG1( )(R1)R2R4R3L2( )(R2)R4

6、R3R1FNeg. Strain2( )1( )(R1)(R2)R4R3FSG214kUeUo使用#200或#300的砂紙將表面磨平使用酒精或其他易揮發(fā)性的清潔溶劑將待測的表面作清潔動作, 但切記需作單方向的擦拭, 切勿來回擦拭以免將髒的東西再帶回來。Strain gage location accuracy should be+/-0.02”(0.5mm) and +/-5The center of the strain gages should be at the intersection of lines offset from the package edges 0.27 +/-0.0

7、2 in. (6.9 +/-0.5mm), with e1 and e3 parallel to the edges.注意切勿滴落大多膠水以免會影響測試資料, 最好的膠水量是當貼上後膠水只溢出週圍一些。R6 : output resistance of the voltage generatorRSG: Measuring strain gaugeRL 1 1 .RL 1 2.,: Leads resistanceR5 : Input resistance of the measuring amplifierG213R4R3R2RL11 .RL12 .RSGR5 R60kRRRRkRRRRVV

8、LSGLSGSGSGSGs2 . 11 . 10 cable of gconsiderinnot 41Error in %22in section cross)/0175(.2mmmmmlRCable2514.0175. 01002CableR05101520051015202530Error through the cable resistanceRSG=120 RSG=350 Cable resistance in 0000ADRi 0Ri RSGRCRSRC3- lead connectionSGlSGiRRR1SGllSGiRRRR2 . 11 . 1Two wiresThree wi

9、resfactor gageS material gage ofy resistivit oft coefficien re temperatu material base ofexpansion of coeficient thermal material gage ofexpansion oft coefficien thermal wheregTTSRRgTK/108 .106K/10236K/10166K/105 . 06K/1096K/10656K/104 . 56G213R4R3R2G213R4R3R2SG2-wire configurationthermmechi: symbol

10、 for temperature dependent cable resistanceG213R4R3G213R4R3mechthermthermSG1comp.SG2i12 thermthermmechi12TimeError: Phase difference through scanning sampling Parallel samplingChannel 1Channel 2Channel 1Channel 2Time 10 bit = 210 =1.024 digit12 bit = 212 =4.096 digit13 bit = 213 =8.192 digit14 bit =

11、 214 =16.384 digit15 bit = 215 =32.768 digit16 bit = 216 =65.536 digit18 bit = 218 =262.144 digit20 bit = 220 =1.048.576 digitExample:a signal of 10V is indicated as 10.000 digit,therefore the converter must have at least 15 bitFMAXforceFMAXforcetimetimeFMAXHigh sampling rateFMAXLow sampling rate軟件歸

12、零狀態(tài)壓合治具瞬間的波形狀態(tài)連續(xù)測試三次波形舊設(shè)計舊設(shè)計 (Before)新設(shè)計新設(shè)計 (NOW) 500 mm PVC細線細線( 0.45 x 500 mm )45度度90度度0度度辨識性及實用性辨識性及實用性45度度0度度90度度 300 mm 漆包線漆包線( 0.14 x 300 mm )紅色紅色: 0度度藍色藍色: 45度度白色白色: 90度度(1)不同顏色導(dǎo)線識別角不同顏色導(dǎo)線識別角度度 讓您辨識及除錯更容讓您辨識及除錯更容易易原有漆包線保留(2) 額外延長額外延長500mm導(dǎo)導(dǎo)線線 讓您連線儀器更方讓您連線儀器更方便便三個角度出線皆為金色三個角度出線皆為金色漆包線辨識及除錯不易漆包線辨識及除錯不易辨識性及實用性辨識性及實用性Different materials have different temperature compensationThe center of the strain gages should be at the intersection of lines offset from the package edges 0.27 +/-0.02 in. (6.9 +/-0.5mm), with e1 and e3 parallel to the edges.G213R4R3G213R4R3mechthermthermSG1comp.