SLAC Magnetic Measurements Date: 04-06-2001 Time: 11:55:40 Project: spear3 Magnet Type: gdipole Magnet Name: proto_test_stand Serial Number: Run Number: 46 Measurement Device: gap system Operator: jy Comment: baseline measurement Magnet Gap Measurements vs Z Z Gap Out Gap In HeightO HeightI Roll X (m) (mm) (mm) (mm) (mm) (mrad) (mm) ------- ------- ------- ------- ------- ------- ------- 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.750 0.035 -0.045 -0.006 0.010 0.177 0.027 0.775 0.068 -0.008 -0.039 -0.033 0.076 0.010 0.800 0.060 -0.017 -0.044 -0.033 0.120 0.009 0.825 0.055 -0.019 -0.038 -0.031 0.074 0.005 0.850 0.048 -0.021 -0.032 -0.024 0.082 0.010 0.875 0.055 -0.016 -0.019 -0.013 0.076 0.011 0.900 0.060 -0.011 -0.023 -0.014 0.094 0.018 0.925 0.063 -0.013 -0.017 -0.008 0.092 0.021 0.950 0.053 -0.016 -0.021 -0.017 0.042 0.022 0.975 0.051 -0.016 -0.022 -0.018 0.048 0.022 1.000 0.060 -0.012 -0.015 -0.014 0.008 0.010 1.025 0.061 -0.019 -0.026 -0.016 0.106 0.024 1.050 0.047 -0.019 -0.024 -0.023 0.008 0.036 1.075 0.049 -0.021 -0.025 -0.016 0.092 0.037 1.100 0.056 -0.013 -0.028 -0.029 -0.009 0.031 1.125 0.054 -0.021 -0.024 -0.015 0.104 0.031 1.150 0.028 -0.029 -0.021 -0.022 -0.016 0.038 1.175 0.042 -0.027 -0.028 -0.019 0.093 0.037 1.200 0.047 -0.023 -0.030 -0.031 -0.016 0.045 1.225 0.041 -0.029 -0.030 -0.022 0.084 0.050 1.250 0.035 -0.034 -0.029 -0.031 -0.019 0.054 1.275 0.035 -0.031 -0.016 -0.010 0.070 0.056 1.300 0.033 -0.028 -0.030 -0.034 -0.045 0.053 1.325 0.035 -0.032 -0.021 -0.014 0.076 0.054 1.350 0.015 -0.038 -0.033 -0.036 -0.035 0.058 1.375 0.021 -0.041 -0.033 -0.026 0.072 0.048 1.400 0.018 -0.044 -0.031 -0.035 -0.041 0.049 1.425 0.022 -0.042 -0.027 -0.022 0.058 0.035 1.450 0.025 -0.045 -0.027 -0.029 -0.030 0.026 1.475 0.028 -0.040 -0.006 -0.001 0.050 0.021 1.500 0.030 -0.035 -0.020 -0.026 -0.070 0.017 1.525 0.037 -0.030 0.005 0.011 0.065 0.018 1.550 0.032 -0.035 -0.019 -0.024 -0.066 0.020 1.575 0.035 -0.035 -0.004 -0.000 0.037 0.019 1.600 0.041 -0.028 -0.010 -0.016 -0.066 0.015 1.625 0.044 -0.024 -0.007 -0.003 0.039 0.013 1.650 0.047 -0.026 -0.027 -0.032 -0.060 0.008 1.675 0.015 -0.038 -0.054 -0.048 0.057 0.023 1.700 0.054 -0.020 -0.033 -0.038 -0.055 0.007 1.725 0.035 -0.029 -0.049 -0.043 0.063 0.008 1.750 0.059 -0.017 -0.028 -0.034 -0.062 -0.003 1.775 0.033 -0.025 -0.031 -0.027 0.044 0.012 1.800 0.039 -0.030 -0.034 -0.038 -0.042 0.008 1.825 0.042 -0.028 -0.013 -0.009 0.050 0.003 1.850 0.058 -0.014 -0.025 -0.032 -0.074 0.001 1.875 0.036 -0.024 -0.014 -0.010 0.044 0.007 1.900 0.061 -0.016 -0.005 -0.010 -0.063 -0.013 1.925 0.039 -0.030 0.009 0.013 0.041 -0.008 1.950 0.048 -0.024 -0.007 -0.013 -0.062 -0.005 1.975 0.058 -0.024 0.022 0.021 -0.018 0.005 2.000 0.054 -0.023 0.040 0.031 -0.092 -0.007 2.025 0.032 -0.040 0.014 0.014 0.005 -0.013 2.050 0.018 -0.055 0.114 0.116 0.019 0.097 2.800 0.052 0.010 0.174 0.168 -0.067 -0.020 0.000 -0.001 -0.001 -0.002 -0.002 -0.002 -0.001 Magnet Orientation: Height = -0.018 mm Pitch = 0.029 mrad Roll = 0.023 mrad Twist = -0.095 mrad/m X = 0.022 mm Yaw = -0.015 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = -0.9 mils | --| | | | | | | | | +z | | y2 = -0.6 mils ^ |y3 | |-> |O | y3 = 0.7 mils +x | | | | y1 = 1.1 mils | | | | | | | | | --| | y1 | |x1 x1 = -1.6 mils | O --| ----------------------- Gap Side Back Side +x is to the right in the figure +y is up +z is to the top of the figure