SLAC Magnetic Measurements Date: 04-23-2008 Time: 13:39:58 Program Parameters: Input file directory = S:\MagData\LCLS\Undulator\L143-112000-30\DATASET0001\MECHANICAL MEASUREMENTS\DATA FILES\ Input file name = SN 30 POLE TIP DATA POINTS 26-MAR-2008.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 ! UNDULATOR S/N 30 ! MEASUREMENT DATE : 26-MAR-2008 ! ! POLE TIP - POLE TIP NUMBER ! INC ANG - INCLUDED ANGLE BETWEEN TOP AND BOTTOM POLE TIPS (MRAD) ! SYM ANG - ANLGLE OF SYMMETRY AXIS BETWEEN POLE TIPS WITH ZX PLANE OF EVALUATION CSY (MRAD) ! MID PNT - MID POINT BETWEEN TOP AND BOTTOM POLE TIPS AT X = 0(YZ PLANE) (MM) ! POLE GAP - DISTANCE BETWEEN TOP AND BOTTOM POLE TIPS AT X = 0 (YZ PLANE)(MM) ! TOP AT X=0 - POINT ON TOP POLE TIP AT X = 0 (MM) ! BTM AT X=0 - POINT ON BOTTOM POLE TIP AT X = 0 (MM) ! BTM X FACE - POINT ON X FACE OF BOTTOM POLE TIP 10MM BELOW Y CENTERLINE (MM) ! TOP X FACE - POINT ON X FACE OF TOP POLE TIP 10MM ABOVE Y CENTERLINE (MM) ! ! ! !-------------------------------------------------------------------------------------- !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 = 5.078298 mrad, RMS = 0.141264 mrad Midline Angle: Average = -0.001961 deg, RMS = 0.003896 deg Y Position Of The Gap Center: Average = 0.011184 mm, RMS = 0.025648 mm Min = -0.032500 mm, Max = 0.068000 mm Range = 0.100500 mm Gap Height: Average = 6.897254 mm, RMS = 0.014930 mm Min = 6.859800 mm, Max = 6.947700 mm Range = 0.087900 mm Y Position Of The Upper Pole: Average = 3.459807 mm, RMS = 0.026037 mm Min = 3.412100 mm, Max = 3.523700 mm Range = 0.111600 mm Y Position Of The Lower Pole: Average = -3.437438 mm, RMS = 0.027367 mm Min = -3.490300 mm, Max = -3.376800 mm Range = 0.113500 mm X Position Of The Upper Pole: Average = -22.080221 mm, RMS = 0.042803 mm Min = -22.210000 mm, Max = -21.971000 mm Range = 0.239000 mm X Position Of The Lower Pole: Average = -22.138969 mm, RMS = 0.044906 mm Min = -22.222000 mm, Max = -22.011000 mm Range = 0.211000 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 -37 40 -40 | 32 113 36 -40 40 2 2 -37 40 -40 | 33 120 36 -40 40 3 6 -34 40 -40 | 34 121 36 -40 40 4 7 -33 40 -40 | 35 128 41 -40 40 5 11 -29 20 -20 | 36 129 42 -40 40 6 12 -28 20 -20 | 37 136 37 -40 40 7 14 -25 20 -20 | 38 137 35 -40 40 8 21 -24 20 -20 | 39 145 24 -20 20 9 22 -24 20 -20 | 40 146 20 -20 20 10 29 -17 20 -20 | 41 148 11 -20 20 11 30 -16 20 -20 | 42 155 -7 0 0 12 37 -12 20 -20 | 43 156 -7 0 0 13 38 -12 20 -20 | 44 163 4 0 0 14 45 -9 0 0 | 45 164 5 0 0 15 46 -9 0 0 | 46 171 -2 0 0 16 53 -3 0 0 | 47 172 -3 0 0 17 54 -3 0 0 | 48 179 -9 0 0 18 61 3 0 0 | 49 180 -11 20 -20 19 62 5 0 0 | 50 187 -22 20 -20 20 69 25 -20 20 | 51 188 -23 20 -20 21 70 27 -20 20 | 52 195 -20 20 -20 22 78 31 -40 40 | 53 196 -20 20 -20 23 79 28 -20 20 | 54 203 -26 20 -20 24 81 21 -20 20 | 55 204 -27 20 -20 25 88 16 -20 20 | 56 212 -28 20 -20 26 90 18 -20 20 | 57 213 -29 20 -20 27 96 22 -20 20 | 58 215 -33 40 -40 28 97 23 -20 20 | 59 219 -44 40 -40 29 104 28 -20 20 | 60 220 -47 40 -40 30 105 29 -20 20 | 61 224 -55 60 -60 31 112 35 -40 40 | 62 225 -56 60 -60 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 3 1.293 -1.293 | 32 113 -4 -1.739 1.739 2 2 3 1.532 -1.532 | 33 120 -4 -1.672 1.672 3 6 6 2.793 -2.793 | 34 121 -4 -1.927 1.927 4 7 7 3.186 -3.186 | 35 128 1 0.467 -0.467 5 11 -9 -3.932 3.932 | 36 129 2 0.888 -0.888 6 12 -8 -3.413 3.413 | 37 136 -3 -1.485 1.485 7 14 -5 -2.067 2.067 | 38 137 -5 -2.304 2.304 8 21 -4 -1.697 1.697 | 39 145 4 1.711 -1.711 9 22 -4 -1.605 1.605 | 40 146 -0 -0.034 0.034 10 29 3 1.500 -1.500 | 41 148 -9 -3.866 3.866 11 30 4 1.875 -1.875 | 42 155 -7 -2.919 2.919 12 37 8 3.449 -3.449 | 43 156 -7 -3.114 3.114 13 38 8 3.619 -3.619 | 44 163 4 1.767 -1.767 14 45 -9 -4.169 4.169 | 45 164 5 2.229 -2.229 15 46 -9 -3.820 3.820 | 46 171 -2 -0.866 0.866 16 53 -3 -1.448 1.448 | 47 172 -3 -1.244 1.244 17 54 -3 -1.267 1.267 | 48 179 -9 -4.164 4.164 18 61 3 1.130 -1.130 | 49 180 9 4.110 -4.110 19 62 5 2.208 -2.208 | 50 187 -2 -0.699 0.699 20 69 5 2.104 -2.104 | 51 188 -3 -1.343 1.343 21 70 7 3.140 -3.140 | 52 195 0 0.058 -0.058 22 78 -9 -4.051 4.051 | 53 196 0 0.215 -0.215 23 79 8 3.399 -3.399 | 54 203 -6 -2.752 2.752 24 81 1 0.541 -0.541 | 55 204 -7 -2.931 2.931 25 88 -4 -1.821 1.821 | 56 212 -8 -3.362 3.362 26 90 -2 -1.056 1.056 | 57 213 -9 -4.030 4.030 27 96 2 0.796 -0.796 | 58 215 7 3.028 -3.028 28 97 3 1.169 -1.169 | 59 219 -4 -1.995 1.995 29 104 8 3.710 -3.710 | 60 220 -7 -3.012 3.012 30 105 9 3.893 -3.893 | 61 224 5 2.359 -2.359 31 112 -5 -2.102 2.102 | 62 225 4 1.618 -1.618