SLAC Magnetic Measurements Date: 04-24-2001 Time: 14:37:48 Project: spear3 Magnet Type: gdipole Magnet Name: production1 Serial Number: 145D-1-001 Run Number: 3 Measurement Device: capacitive sensors Operator: jy Comment: after implementing run 2 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 0.073 0.003 0.019 0.009 -0.111 -0.041 0.775 0.043 -0.022 0.021 0.004 -0.181 -0.040 0.800 0.046 -0.022 0.013 0.000 -0.143 -0.043 0.825 0.033 -0.030 0.013 0.002 -0.123 -0.040 0.850 0.028 -0.031 0.014 -0.001 -0.162 -0.039 0.875 0.025 -0.043 0.028 0.013 -0.166 -0.041 0.900 0.025 -0.036 0.028 0.014 -0.155 -0.022 0.925 0.031 -0.028 0.020 0.015 -0.060 -0.023 0.950 0.036 -0.027 0.023 0.011 -0.132 -0.025 0.975 0.024 -0.038 0.032 0.028 -0.039 -0.024 1.000 0.015 -0.047 0.029 0.016 -0.138 -0.025 1.025 0.025 -0.041 0.021 0.018 -0.033 -0.014 1.050 0.019 -0.040 0.011 -0.001 -0.135 -0.012 1.075 0.012 -0.045 0.048 0.049 0.015 -0.005 1.100 0.016 -0.049 0.027 0.016 -0.129 -0.005 1.125 0.009 -0.050 0.051 0.051 0.000 -0.008 1.150 0.013 -0.043 0.038 0.027 -0.123 -0.011 1.175 0.018 -0.043 0.048 0.049 0.009 -0.005 1.200 0.014 -0.045 0.027 0.017 -0.104 0.004 1.225 0.002 -0.056 0.040 0.042 0.019 0.005 1.250 -0.016 -0.067 0.052 0.047 -0.052 0.032 1.275 0.001 -0.053 0.044 0.046 0.026 0.016 1.300 0.003 -0.055 0.026 0.019 -0.077 0.011 1.325 -0.005 -0.062 0.027 0.031 0.044 0.009 1.350 0.000 -0.057 0.027 0.022 -0.051 0.005 1.375 0.002 -0.054 0.031 0.036 0.060 0.004 1.400 0.002 -0.054 0.010 0.005 -0.052 -0.000 1.425 -0.003 -0.058 0.033 0.038 0.059 -0.007 1.450 0.004 -0.052 0.013 0.010 -0.040 -0.013 1.475 0.001 -0.054 0.028 0.037 0.090 -0.023 1.500 -0.011 -0.066 0.013 0.013 0.004 -0.022 1.525 -0.011 -0.064 0.024 0.034 0.110 -0.015 1.550 -0.008 -0.065 0.009 0.010 0.020 -0.020 1.575 0.006 -0.049 0.010 0.019 0.108 -0.021 1.600 0.002 -0.057 0.010 0.018 0.088 -0.013 1.625 0.003 -0.052 -0.000 0.007 0.079 -0.021 1.650 0.004 -0.055 0.010 0.020 0.111 -0.026 1.675 0.013 -0.047 0.001 0.010 0.101 -0.014 1.700 0.014 -0.044 0.002 0.016 0.153 -0.021 1.725 0.025 -0.038 -0.017 -0.011 0.071 -0.034 1.750 0.019 -0.040 -0.003 0.013 0.178 -0.037 1.775 0.011 -0.047 -0.004 0.004 0.085 -0.033 1.800 0.013 -0.049 0.003 0.022 0.211 -0.036 1.825 0.013 -0.046 -0.014 -0.005 0.095 -0.031 1.850 0.019 -0.040 0.008 0.028 0.224 -0.029 1.875 0.024 -0.039 0.004 0.014 0.113 -0.040 1.900 0.032 -0.034 0.012 0.033 0.240 -0.046 1.925 0.017 -0.035 0.011 0.023 0.139 -0.038 1.950 0.030 -0.035 0.031 0.054 0.254 -0.036 1.975 0.031 -0.031 0.023 0.039 0.174 -0.038 2.000 0.019 -0.040 0.051 0.074 0.257 -0.044 2.025 0.025 -0.038 0.047 0.062 0.163 -0.032 2.050 0.027 -0.037 0.065 0.089 0.268 -0.003 2.800 0.025 0.003 -0.076 -0.069 0.076 -0.085 0.000 0.000 0.000 -0.004 -0.004 -0.007 -0.000 Magnet Orientation: Height = 0.021 mm Pitch = -0.009 mrad Roll = 0.026 mrad Twist = 0.302 mrad/m X = -0.019 mm Yaw = -0.008 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = 0.6 mils | --| | | | | | | | | +z | | y2 = -1.1 mils ^ |y3 | |-> |O | y3 = -0.8 mils +x | | | | y1 = -1.6 mils | | | | | | | | | --| | y1 | |x1 x1 = 0.2 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