SLAC Magnetic Measurements Date: 03-29-2001 Time: 17:18:01 Project: spear3 Magnet Type: gdipole Magnet Name: proto_test_stand Serial Number: Run Number: 37 Measurement Device: gap system Operator: zw Comment: Test run with mini level Magnet Gap Measurements vs Z Z Gap Out Gap In HeightO HeightI Roll X (m) (mm) (mm) (mm) (mm) (mrad) (mm) ------- ------- ------- ------- ------- ------- ------- 0.000 57.000 45.000 0.000 0.000 0.000 0.000 0.750 57.034 44.958 0.001 0.009 0.088 -0.051 0.775 57.046 44.977 -0.026 -0.029 -0.025 -0.067 0.800 57.038 44.963 -0.025 -0.019 0.076 -0.077 0.825 57.032 44.965 -0.026 -0.030 -0.039 -0.081 0.850 57.030 44.965 -0.019 -0.015 0.053 -0.079 0.875 57.038 44.972 -0.007 -0.010 -0.033 -0.082 0.900 57.040 44.971 -0.004 0.003 0.073 -0.076 0.925 57.038 44.970 -0.008 -0.010 -0.028 -0.068 0.950 57.033 44.967 0.002 0.004 0.030 -0.060 0.975 57.034 44.971 -0.002 -0.007 -0.051 -0.057 1.000 57.042 44.971 0.005 0.006 0.010 -0.059 1.025 57.036 44.964 -0.011 -0.010 0.005 -0.045 1.050 57.030 44.965 -0.012 -0.012 -0.002 -0.041 1.075 57.032 44.966 -0.014 -0.013 0.006 -0.039 1.100 57.037 44.969 -0.010 -0.010 -0.008 -0.044 1.125 57.027 44.961 -0.016 -0.013 0.025 -0.044 1.150 57.008 44.955 -0.015 -0.016 -0.016 -0.046 1.175 57.025 44.959 -0.015 -0.011 0.036 -0.046 1.200 57.026 44.960 -0.019 -0.022 -0.028 -0.038 1.225 57.017 44.954 -0.022 -0.018 0.039 -0.033 1.250 57.015 44.951 -0.019 -0.022 -0.037 -0.022 1.275 57.013 44.952 -0.004 -0.000 0.045 -0.020 1.300 57.013 44.955 -0.014 -0.018 -0.050 -0.026 1.325 57.011 44.949 -0.004 0.002 0.067 -0.024 1.350 56.995 44.946 -0.013 -0.017 -0.035 -0.018 1.375 57.002 44.943 -0.017 -0.011 0.063 -0.022 1.400 57.002 44.944 -0.023 -0.029 -0.057 -0.022 1.425 57.004 44.943 -0.021 -0.017 0.045 -0.031 1.450 57.005 44.941 -0.026 -0.030 -0.043 -0.036 1.475 57.010 44.946 0.002 0.007 0.054 -0.034 1.500 57.011 44.951 -0.012 -0.017 -0.063 -0.035 1.525 57.017 44.955 0.004 0.010 0.067 -0.032 1.550 57.019 44.954 -0.017 -0.022 -0.056 -0.029 1.575 57.018 44.954 -0.002 0.003 0.047 -0.032 1.600 57.022 44.958 -0.014 -0.018 -0.048 -0.034 1.625 57.025 44.962 -0.011 -0.004 0.073 -0.039 1.650 57.029 44.960 -0.027 -0.029 -0.024 -0.047 1.675 57.000 44.952 -0.064 -0.055 0.093 -0.034 1.700 57.035 44.965 -0.048 -0.050 -0.020 -0.051 1.725 57.018 44.959 -0.060 -0.052 0.097 -0.043 1.750 57.042 44.969 -0.045 -0.048 -0.035 -0.043 1.775 57.016 44.962 -0.037 -0.029 0.088 -0.034 1.800 57.022 44.957 -0.038 -0.038 -0.001 -0.043 1.825 57.025 44.961 -0.027 -0.020 0.083 -0.052 1.850 57.046 44.976 -0.030 -0.033 -0.030 -0.060 1.875 57.019 44.964 -0.020 -0.011 0.095 -0.045 1.900 57.045 44.971 -0.012 -0.013 -0.009 -0.057 1.925 57.028 44.961 -0.003 0.005 0.085 -0.059 1.950 57.036 44.966 -0.019 -0.020 -0.010 -0.059 1.975 57.043 44.965 -0.006 -0.002 0.038 -0.041 2.000 57.044 44.970 0.019 0.016 -0.034 -0.065 2.025 57.030 44.957 -0.007 0.002 0.091 -0.076 2.050 57.002 44.936 0.104 0.112 0.084 0.064 2.800 57.050 45.012 0.151 0.140 -0.122 -0.054 0.000 57.000 45.000 0.002 0.001 -0.002 0.001 Magnet Orientation: Height = -0.014 mm Pitch = 0.001 mrad Roll = 0.017 mrad Twist = 0.024 mrad/m X = -0.044 mm Yaw = 0.019 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = 1.0 mils | --| | | | | | | | | +z | | y2 = 0.2 mils ^ |y3 | |-> |O | y3 = 0.6 mils +x | | | | y1 = 0.3 mils | | | | | | | | | --| | y1 | |x1 x1 = 1.9 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