SLAC Magnetic Measurements Date: 04-30-2009 Time: 13:50:37 Program Parameters: Input file directory = S:\MagData\LCLS\Undulator\L143-112000-19\DATASET0001\MECHANICAL MEASUREMENTS\DATA FILES\ Input file name = SN 19 POLE TIP DATA POINTS 29-MAY-2007.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 19 ! MEASUREMENT DATE : 29-MAY-2007 ! ! 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 = 5.400276 mrad, RMS = 0.260656 mrad Midline Angle: Average = 0.000039 deg, RMS = 0.004197 deg Y Position Of The Gap Center: Average = -0.020960 mm, RMS = 0.027846 mm Min = -0.063800 mm, Max = 0.030400 mm Range = 0.094200 mm Gap Height: Average = 6.907494 mm, RMS = 0.015641 mm Min = 6.873100 mm, Max = 6.960800 mm Range = 0.087700 mm Y Position Of The Upper Pole: Average = 3.432780 mm, RMS = 0.030597 mm Min = 3.382100 mm, Max = 3.493100 mm Range = 0.111000 mm Y Position Of The Lower Pole: Average = -3.474700 mm, RMS = 0.027141 mm Min = -3.523000 mm, Max = -3.422900 mm Range = 0.100100 mm X Position Of The Upper Pole: Average = -22.236106 mm, RMS = 0.086263 mm Min = -22.409000 mm, Max = -22.069000 mm Range = 0.340000 mm X Position Of The Lower Pole: Average = -22.151681 mm, RMS = 0.137911 mm Min = -22.364000 mm, Max = -21.848000 mm Range = 0.516000 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 -46 40 -40 | 32 113 37 -40 40 2 2 -45 40 -40 | 33 120 42 -40 40 3 6 -41 40 -40 | 34 121 41 -40 40 4 7 -40 40 -40 | 35 128 40 -40 40 5 11 -39 40 -40 | 36 129 40 -40 40 6 12 -38 40 -40 | 37 136 35 -40 40 7 14 -36 40 -40 | 38 137 34 -40 40 8 21 -31 40 -40 | 39 145 27 -20 20 9 22 -30 40 -40 | 40 146 26 -20 20 10 29 -34 40 -40 | 41 148 23 -20 20 11 30 -33 40 -40 | 42 155 17 -20 20 12 37 -22 20 -20 | 43 156 16 -20 20 13 38 -21 20 -20 | 44 163 16 -20 20 14 45 -13 20 -20 | 45 164 15 -20 20 15 46 -12 20 -20 | 46 171 1 -0 0 16 53 -4 0 -0 | 47 172 -1 0 -0 17 54 -2 0 -0 | 48 179 -8 0 -0 18 61 7 -0 0 | 49 180 -8 0 -0 19 62 8 -0 0 | 50 187 -19 20 -20 20 69 10 -0 0 | 51 188 -21 20 -20 21 70 9 -0 0 | 52 195 -29 20 -20 22 78 13 -20 20 | 53 196 -29 20 -20 23 79 16 -20 20 | 54 203 -34 40 -40 24 81 21 -20 20 | 55 204 -35 40 -40 25 88 28 -20 20 | 56 212 -33 40 -40 26 90 28 -20 20 | 57 213 -31 40 -40 27 96 31 -40 40 | 58 215 -27 20 -20 28 97 32 -40 40 | 59 219 -25 20 -20 29 104 34 -40 40 | 60 220 -26 20 -20 30 105 33 -40 40 | 61 224 -34 40 -40 31 112 36 -40 40 | 62 225 -37 40 -40 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 -6 -2.729 2.729 | 32 113 -3 -1.154 1.154 2 2 -5 -2.251 2.251 | 33 120 2 0.742 -0.742 3 6 -1 -0.554 0.554 | 34 121 1 0.601 -0.601 4 7 -0 -0.183 0.183 | 35 128 -0 -0.193 0.193 5 11 1 0.500 -0.500 | 36 129 -0 -0.179 0.179 6 12 2 0.904 -0.904 | 37 136 -5 -2.110 2.110 7 14 4 1.866 -1.866 | 38 137 -6 -2.569 2.569 8 21 9 4.109 -4.109 | 39 145 7 2.932 -2.932 9 22 10 4.277 -4.277 | 40 146 6 2.552 -2.552 10 29 6 2.616 -2.616 | 41 148 3 1.469 -1.469 11 30 7 2.894 -2.894 | 42 155 -3 -1.339 1.339 12 37 -2 -0.987 0.987 | 43 156 -4 -1.898 1.898 13 38 -1 -0.504 0.504 | 44 163 -4 -1.916 1.916 14 45 7 2.907 -2.907 | 45 164 -5 -2.021 2.021 15 46 8 3.499 -3.499 | 46 171 1 0.330 -0.330 16 53 -4 -1.616 1.616 | 47 172 -1 -0.612 0.612 17 54 -2 -0.937 0.937 | 48 179 -8 -3.368 3.368 18 61 7 3.118 -3.118 | 49 180 -8 -3.607 3.607 19 62 8 3.699 -3.699 | 50 187 1 0.431 -0.431 20 69 10 4.233 -4.233 | 51 188 -1 -0.645 0.645 21 70 9 3.836 -3.836 | 52 195 -9 -3.813 3.813 22 78 -7 -2.907 2.907 | 53 196 -9 -4.039 4.039 23 79 -4 -1.742 1.742 | 54 203 6 2.679 -2.679 24 81 1 0.576 -0.576 | 55 204 5 2.254 -2.254 25 88 8 3.344 -3.344 | 56 212 7 2.985 -2.985 26 90 8 3.391 -3.391 | 57 213 9 4.032 -4.032 27 96 -9 -4.069 4.069 | 58 215 -7 -3.096 3.096 28 97 -8 -3.731 3.731 | 59 219 -5 -2.412 2.412 29 104 -6 -2.853 2.853 | 60 220 -6 -2.715 2.715 30 105 -7 -3.057 3.057 | 61 224 6 2.866 -2.866 31 112 -4 -1.715 1.715 | 62 225 3 1.515 -1.515