SLAC Magnetic Measurements Date: 06-14-1994 Time: 10:04:22 Magnet Name: 192 Test Operator: Wagner Test Stand: gap measurement stand Apparatus: gap sensors Run Number: 7 Comment: Z location # 153.5 (bo sensor) has had rust removed. Home Position Gap Measurements: z d1to d2ti d3bi d4bo Gout Gin Hout Hin Roll Rarm (in) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mrad) (mrad) ------ ------ ------ ------ ------ ------ ------ ------ ------ ------- ------- 0.0 301.99 307.98 295.44 297.85 3237.8 3241.4 2.07 6.27 0.5600 0.0000 Gap Measurements: z d1to d2ti d3bi d4bo Gout Gin Hout Hin Roll Rarm (in) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mrad) (mrad) ------ ------ ------ ------ ------ ------ ------ ------ ------ ------- ------- 4.0 45.69 45.30 69.00 63.69 2747.4 2752.3 -9.00 -11.85 -0.3800 -0.2950 9.8 51.01 52.28 64.73 72.48 2761.5 2755.0 -10.73 -6.23 0.6013 -0.1371 15.5 57.75 58.51 56.62 62.27 2758.0 2753.1 -2.26 0.94 0.4274 -0.1513 21.3 65.33 65.30 56.16 60.90 2764.2 2759.5 2.22 4.57 0.3133 -0.1137 27.0 63.69 64.36 48.96 52.75 2754.4 2751.3 5.47 7.70 0.2973 -0.1296 32.8 67.84 68.30 48.02 46.51 2752.4 2754.3 10.67 10.14 -0.0698 -0.0202 38.5 69.83 62.83 50.18 55.01 2762.8 2751.0 7.41 6.33 -0.1451 -0.1151 44.3 73.41 72.79 45.04 43.31 2754.7 2755.8 15.05 13.87 -0.1568 -0.0255 50.0 72.00 73.77 48.83 44.92 2754.9 2760.6 13.54 12.47 -0.1429 -0.1194 55.8 73.63 69.39 49.27 43.41 2755.0 2756.7 15.11 10.06 -0.6733 -0.1121 61.5 71.24 70.13 50.99 47.65 2756.9 2759.1 11.80 9.57 -0.2965 -0.0220 67.3 70.02 68.55 51.90 52.77 2760.8 2758.4 8.62 8.32 -0.0406 -0.0392 73.0 67.85 67.21 53.53 55.56 2761.4 2758.7 6.15 6.84 0.0924 -0.0733 78.8 61.66 60.74 56.60 65.30 2765.0 2755.3 -1.82 2.07 0.5181 -0.0728 84.5 62.49 62.41 52.86 53.22 2753.7 2753.3 4.64 4.78 0.0186 -0.1098 90.3 66.00 64.40 56.67 56.14 2760.1 2759.1 4.93 3.87 -0.1420 -0.1255 96.0 60.59 60.06 60.65 58.10 2756.7 2758.7 1.25 -0.29 -0.2057 -0.2577 101.8 58.99 59.30 55.99 59.30 2756.3 2753.3 -0.15 1.66 0.2413 -0.1062 107.5 53.31 58.70 59.36 69.18 2760.5 2756.1 -7.93 -0.33 1.0133 -0.1709 113.3 57.66 56.94 68.73 80.88 2776.5 2763.7 -11.61 -5.89 0.7616 -0.2336 119.0 56.94 55.44 64.31 65.83 2760.8 2757.7 -4.44 -4.43 0.0012 -0.3993 124.8 61.92 59.71 65.36 64.09 2764.0 2763.1 -1.09 -2.83 -0.2320 -0.4282 130.5 51.71 52.99 64.12 66.58 2756.3 2755.1 -7.44 -5.56 0.2499 -0.4067 136.3 65.98 59.90 69.71 75.23 2779.2 2767.6 -4.63 -4.90 -0.0370 -0.3529 142.0 57.23 53.50 63.96 68.34 2763.6 2755.5 -5.55 -5.23 0.0433 -0.3755 147.8 65.06 59.31 71.77 71.66 2774.7 2769.1 -3.30 -6.23 -0.3911 -0.4586 153.5 59.94 59.57 63.40 60.76 2758.7 2761.0 -0.41 -1.91 -0.2010 -0.3540 159.3 58.23 63.18 49.46 52.96 2749.2 2750.6 2.63 6.86 0.5641 -0.2439 165.0 68.41 67.27 48.96 62.86 2769.3 2754.2 2.78 9.15 0.8501 -0.1967 170.8 77.40 66.37 57.87 75.56 2791.0 2762.2 0.92 4.25 0.4445 -0.2758 176.5 67.61 62.53 60.74 60.39 2766.0 2761.3 3.61 0.90 -0.3615 -0.2236 182.3 71.12 60.53 54.44 63.53 2772.6 2753.0 3.79 3.05 -0.0995 -0.1457 188.0 66.64 62.59 60.41 59.75 2764.4 2761.0 3.44 1.09 -0.3143 -0.3085 193.8 66.33 66.69 51.84 58.53 2762.9 2756.5 3.90 7.42 0.4698 -0.2767 199.5 63.42 62.75 54.25 48.03 2749.4 2755.0 7.69 4.25 -0.4590 -0.1617 205.3 59.29 59.04 59.25 52.57 2749.9 2756.3 3.36 -0.10 -0.4619 -0.2079 Average Values and Standard Deviations: Average Outer Gap Width Gout = 2761.257 +- 8.985825 mils Average Inner Gap Width Gin = 2757.349 +- 4.325566 mils Average Outer Midplane Elevation Hout = 1.905961 +- 6.855363 mils Average Inner Midplane Elevation Hin = 2.34293 +- 6.073276 mils Average Fractional Gradient 1/G dG/dx = 7.327222E-03 +- 1.361577E-02 1/m Average Roll Angle R = .0582624 +- .4016268 mrad Fit to roll vs z: R(z) = -4.054433E-04 * z + .1006819 Shims to make the roll and twist zero: Foot 1, shim1 = -1.632521 mils Foot 2, shim2 = -.6918931 mils Fit to Hout vs z: Hin(z) = -1.221379E-02 * z + 3.183829 Shims to make the height and pitch zero: Foot 1, shim3 = -2.609781 mils Foot 2, shim4 = -1.192982 mils Summary upstream end inside outside foot 1 -4 -3 mils foot 2 -2 -1 mils downstream end Home Position Gap Measurements: z d1to d2ti d3bi d4bo Gout Gin Hout Hin Roll Rarm (in) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mils) (mrad) (mrad) ------ ------ ------ ------ ------ ------ ------ ------ ------ ------- ------- 0.0 301.31 307.62 295.09 297.34 3236.6 3240.7 1.99 6.26 0.5706 0.0931