SLAC Magnetic Measurements Date: 01-06-2009 Time: 15:27:13 Program Parameters: Input file directory = S:\MagData\LCLS\Undulator\L143-112000-5 shim test 2\DATASET0001\MECHANICAL MEASUREMENTS\DATA\ Input file name = SN5 shim test 2 POLE TIP DATA POINTS - PRETUNING 06-JAN-2009.TXT Coordinate system figure file = c:\analysis\insertion device analysis\cmm analysis\coordinate system large.jpg Shim adjustment range in y = 0.000020 m Shim angle = 0.002250 rad Measurement File Header: ! UNDULATOR POLE TIP MEASUREMENT DATA POINTS - PRETUNING ! UNDULATOR S/N 5 shiŞ es 2 ! MEASUREMENT DATE : 06-JAN-2009 ! ! POLE TIP - POLE TIP NUMBER ! INC ANG - INCLUDED ANGLE BETWEEN TOP AND BOTTOM POLE TIPS ! SYM ANG - ANLGLE OF SYMMETRY AXIS BETWEEN POLE TIPS WITH ZX PLANE OF EVALUATION CSY ! MID PNT - MID POINT BETWEEN TOP AND BOTTOM POLE TIPS AT X = 0(YZ PLANE) ! POLE GAP - DISTANCE BETWEEN TOP AND BOTTOM POLE TIPS AT X = 0 (YZ PLANE) ! TOP AT X=0 - POINT ON TOP POLE TIP AT X = 0 ! BTM AT X=0 - POINT ON BOTTOM POLE TIP AT X = 0 ! BTM X FACE - POINT ON X FACE OF BOTTOM POLE TIP 10MM BELOW Y CENTERLINE ! TOP X FACE - POINT ON X FACE OF TOP POLE TIP 10MM ABOVE Y CENTERLINE ! ! ! !-------------------------------------------------------------------------------------- !POLE | INC | SYM | MID | POLE | TOP AT | BTM AT | BTM X | TOP X | ! TIP | ANG | ANG | PNT | GAP | X = 0 | X = 0 | FACE | FACE | !-------------------------------------------------------------------------------------- ----- CMM Mechanical Measurements Summary ----- Cant Angle: Average = 0.292858 mrad, RMS = 0.008762 mrad Midline Angle: Average = 10.312449 deg, RMS = 0.000213 deg Y Position Of The Gap Center: Average = 0.046995 mm, RMS = 0.005831 mm Min = 0.031000 mm, Max = 0.065000 mm Range = 0.034000 mm Gap Height: Average = 6.962275 mm, RMS = 0.016610 mm Min = 6.931600 mm, Max = 7.026400 mm Range = 0.094800 mm Y Position Of The Upper Pole: Average = 3.528133 mm, RMS = 0.010719 mm Min = 3.507000 mm, Max = 3.576900 mm Range = 0.069900 mm Y Position Of The Lower Pole: Average = -3.434136 mm, RMS = 0.009547 mm Min = -3.462800 mm, Max = -3.414100 mm Range = 0.048700 mm X Position Of The Upper Pole: Average = -75.070190 mm, RMS = 0.062968 mm Min = -75.213000 mm, Max = -74.960000 mm Range = 0.253000 mm X Position Of The Lower Pole: Average = -75.067133 mm, RMS = 0.056086 mm Min = -75.171000 mm, Max = -74.945000 mm Range = 0.226000 mm Set The Gap To The Average Y Position, Replace Shims Shim Mag Del Yctr Up Shim Lo Shim | Shim Mag Del Yctr Up Shim Lo Shim # # (micron) (micron) (micron) | # # (micron) (micron) (micron) ---- ---- -------- -------- -------- | ---- ---- -------- -------- -------- 1 1 -18 20 -20 | 32 113 -4 0 0 2 2 -16 20 -20 | 33 120 -2 0 0 3 6 -8 0 0 | 34 121 -2 0 0 4 7 -6 0 0 | 35 128 -2 0 0 5 11 3 0 0 | 36 129 -1 0 0 6 12 5 0 0 | 37 136 1 0 0 7 14 8 0 0 | 38 137 1 0 0 8 21 -2 0 0 | 39 145 -2 0 0 9 22 -4 0 0 | 40 146 0 0 0 10 29 0 0 0 | 41 148 5 0 0 11 30 1 0 0 | 42 155 1 0 0 12 37 3 0 0 | 43 156 -1 0 0 13 38 3 0 0 | 44 163 8 0 0 14 45 4 0 0 | 45 164 8 0 0 15 46 5 0 0 | 46 171 -6 0 0 16 53 3 0 0 | 47 172 -8 0 0 17 54 4 0 0 | 48 179 -4 0 0 18 61 9 0 0 | 49 180 -2 0 0 19 62 9 0 0 | 50 187 3 0 0 20 69 5 0 0 | 51 188 3 0 0 21 70 4 0 0 | 52 195 -10 0 0 22 78 2 0 0 | 53 196 -11 20 -20 23 79 2 0 0 | 54 203 -1 0 0 24 81 3 0 0 | 55 204 -0 0 0 25 88 -3 0 0 | 56 212 -0 0 0 26 90 -2 0 0 | 57 213 -1 0 0 27 96 4 0 0 | 58 215 -3 0 0 28 97 4 0 0 | 59 219 -8 0 0 29 104 4 0 0 | 60 220 -9 0 0 30 105 3 0 0 | 61 224 -12 20 -20 31 112 -3 0 0 | 62 225 -12 20 -20 Set The Gap To The Average Y Position, Adjust Shims After Replacement Shim Mag Del Yctr Del X Up Del X Lo | Shim Mag Del Yctr Del X Up Del X Lo # # (micron) (mm) (mm) | # # (micron) (mm) (mm) ---- ---- -------- -------- -------- | ---- ---- -------- -------- -------- 1 1 2 1.096 -1.096 | 32 113 -4 -1.707 1.707 2 2 4 1.920 -1.920 | 33 120 -2 -0.668 0.668 3 6 -8 -3.579 3.579 | 34 121 -2 -0.913 0.913 4 7 -6 -2.709 2.709 | 35 128 -2 -0.898 0.898 5 11 3 1.316 -1.316 | 36 129 -1 -0.394 0.394 6 12 5 2.438 -2.438 | 37 136 1 0.587 -0.587 7 14 8 3.662 -3.662 | 38 137 1 0.413 -0.413 8 21 -2 -0.877 0.877 | 39 145 -2 -0.711 0.711 9 22 -4 -1.694 1.694 | 40 146 0 0.078 -0.078 10 29 0 0.100 -0.100 | 41 148 5 2.046 -2.046 11 30 1 0.517 -0.517 | 42 155 1 0.432 -0.432 12 37 3 1.310 -1.310 | 43 156 -1 -0.393 0.393 13 38 3 1.275 -1.275 | 44 163 8 3.420 -3.420 14 45 4 1.867 -1.867 | 45 164 8 3.764 -3.764 15 46 5 2.171 -2.171 | 46 171 -6 -2.505 2.505 16 53 3 1.535 -1.535 | 47 172 -8 -3.526 3.526 17 54 4 1.725 -1.725 | 48 179 -4 -1.646 1.646 18 61 9 3.901 -3.901 | 49 180 -2 -1.007 1.007 19 62 9 3.803 -3.803 | 50 187 3 1.256 -1.256 20 69 5 2.052 -2.052 | 51 188 3 1.274 -1.274 21 70 4 1.853 -1.853 | 52 195 -10 -4.263 4.263 22 78 2 1.110 -1.110 | 53 196 9 4.197 -4.197 23 79 2 1.087 -1.087 | 54 203 -1 -0.596 0.596 24 81 3 1.142 -1.142 | 55 204 -0 -0.036 0.036 25 88 -3 -1.237 1.237 | 56 212 -0 -0.010 0.010 26 90 -2 -0.824 0.824 | 57 213 -1 -0.328 0.328 27 96 4 1.668 -1.668 | 58 215 -3 -1.195 1.195 28 97 4 1.783 -1.783 | 59 219 -8 -3.764 3.764 29 104 4 1.567 -1.567 | 60 220 -9 -4.168 4.168 30 105 3 1.385 -1.385 | 61 224 8 3.724 -3.724 31 112 -3 -1.474 1.474 | 62 225 8 3.629 -3.629