SLAC Magnetic Measurements Date: 04-12-2001 Time: 14:04:59 Project: spear3 Magnet Type: gdipole Magnet Name: proto_test_stand Serial Number: Run Number: 68 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 0.037 -0.047 0.032 0.040 0.084 0.051 0.775 0.071 -0.009 -0.002 -0.005 -0.030 0.035 0.800 0.063 -0.018 -0.009 -0.008 0.007 0.034 0.825 0.058 -0.021 -0.002 -0.005 -0.037 0.030 0.850 0.051 -0.023 0.003 0.000 -0.033 0.035 0.875 0.058 -0.018 0.016 0.013 -0.033 0.036 0.900 0.063 -0.012 0.012 0.010 -0.019 0.043 0.925 0.066 -0.014 0.017 0.015 -0.015 0.046 0.950 0.055 -0.018 0.011 0.004 -0.073 0.047 0.975 0.053 -0.018 0.010 0.004 -0.066 0.048 1.000 0.063 -0.014 0.016 0.007 -0.105 0.037 1.025 0.063 -0.021 0.003 0.003 -0.006 0.051 1.050 0.049 -0.022 0.004 -0.006 -0.109 0.062 1.075 0.051 -0.023 0.003 0.001 -0.020 0.064 1.100 0.058 -0.015 -0.001 -0.013 -0.129 0.057 1.125 0.056 -0.023 0.003 0.002 -0.007 0.058 1.150 0.029 -0.031 0.005 -0.006 -0.130 0.065 1.175 0.043 -0.029 -0.003 -0.004 -0.018 0.063 1.200 0.048 -0.025 -0.005 -0.017 -0.132 0.072 1.225 0.042 -0.031 -0.006 -0.009 -0.029 0.076 1.250 0.036 -0.037 -0.009 -0.022 -0.142 0.081 1.275 0.036 -0.033 0.004 -0.000 -0.043 0.083 1.300 0.034 -0.031 -0.011 -0.026 -0.167 0.079 1.325 0.036 -0.035 -0.003 -0.007 -0.037 0.080 1.350 0.015 -0.041 -0.016 -0.030 -0.157 0.085 1.375 0.022 -0.044 -0.016 -0.021 -0.049 0.074 1.400 0.018 -0.048 -0.015 -0.030 -0.164 0.075 1.425 0.023 -0.046 -0.012 -0.017 -0.062 0.061 1.450 0.026 -0.049 -0.011 -0.025 -0.152 0.053 1.475 0.029 -0.042 0.010 0.005 -0.057 0.049 1.500 0.031 -0.038 -0.006 -0.023 -0.187 0.044 1.525 0.039 -0.031 0.018 0.014 -0.040 0.047 1.550 0.033 -0.037 -0.006 -0.023 -0.182 0.049 1.575 0.036 -0.036 0.008 0.002 -0.071 0.048 1.600 0.043 -0.029 0.001 -0.015 -0.179 0.043 1.625 0.046 -0.025 0.003 -0.002 -0.064 0.041 1.650 0.049 -0.028 -0.016 -0.032 -0.172 0.036 1.675 0.015 -0.041 -0.045 -0.051 -0.060 0.051 1.700 0.056 -0.022 -0.025 -0.040 -0.169 0.035 1.725 0.037 -0.030 -0.043 -0.048 -0.053 0.036 1.750 0.061 -0.018 -0.023 -0.038 -0.175 0.025 1.775 0.034 -0.026 -0.025 -0.031 -0.064 0.039 1.800 0.040 -0.031 -0.030 -0.044 -0.157 0.036 1.825 0.044 -0.028 -0.009 -0.014 -0.056 0.031 1.850 0.060 -0.015 -0.022 -0.039 -0.190 0.029 1.875 0.039 -0.025 -0.011 -0.017 -0.063 0.036 1.900 0.064 -0.015 -0.002 -0.018 -0.175 0.015 1.925 0.042 -0.029 0.011 0.006 -0.059 0.020 1.950 0.051 -0.025 -0.006 -0.021 -0.173 0.022 1.975 0.062 -0.023 0.024 0.013 -0.116 0.032 2.000 0.058 -0.021 0.040 0.023 -0.186 0.021 2.025 0.033 -0.040 0.011 0.002 -0.100 0.016 2.050 0.023 -0.051 0.112 0.107 -0.048 0.121 2.800 0.023 0.002 -0.081 -0.073 0.098 -0.068 0.000 -0.000 -0.000 0.001 0.001 -0.003 -0.001 Magnet Orientation: Height = -0.000 mm Pitch = -0.002 mrad Roll = -0.088 mrad Twist = -0.088 mrad/m X = 0.049 mm Yaw = -0.013 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = -0.3 mils | --| | | | | | | | | +z | | y2 = 1.8 mils ^ |y3 | |-> |O | y3 = 0.0 mils +x | | | | y1 = 1.6 mils | | | | | | | | | --| | y1 | |x1 x1 = -0.9 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