SLAC Magnetic Measurements Date: 03-14-2001 Time: 17:24:46 Project: spear3 Magnet Type: gdipole Magnet Name: proto_test_stand Serial Number: Run Number: 18 Measurement Device: gap system Operator: zw Comment: See if zeroing level helps repeatability 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 0.725 56.979 44.931 0.027 0.032 0.055 -0.031 0.750 57.013 44.942 0.030 0.042 0.133 -0.048 0.775 57.039 44.973 -0.004 -0.002 0.017 -0.065 0.800 57.032 44.963 -0.002 0.006 0.087 -0.069 0.825 57.027 44.962 0.002 0.004 0.022 -0.069 0.850 57.022 44.960 0.010 0.015 0.056 -0.061 0.875 57.029 44.966 0.016 0.018 0.022 -0.057 0.900 57.034 44.971 0.011 0.016 0.057 -0.047 0.925 57.036 44.968 0.020 0.024 0.047 -0.036 0.950 57.027 44.965 0.018 0.020 0.018 -0.027 0.975 57.025 44.966 0.012 0.012 0.001 -0.021 1.000 57.034 44.969 0.017 0.015 -0.015 -0.025 1.025 57.032 44.962 0.010 0.017 0.077 -0.022 1.050 57.020 44.962 0.006 0.006 -0.010 -0.025 1.075 57.022 44.961 0.003 0.009 0.064 -0.036 1.100 57.028 44.968 -0.003 -0.006 -0.027 -0.056 1.125 57.024 44.959 0.000 0.008 0.082 -0.063 1.150 56.999 44.952 0.005 0.004 -0.019 -0.064 1.175 57.014 44.955 -0.002 0.005 0.074 -0.071 1.200 57.018 44.958 -0.004 -0.007 -0.028 -0.068 1.225 57.011 44.952 -0.006 0.001 0.075 -0.061 1.250 57.009 44.949 -0.007 -0.009 -0.028 -0.053 1.275 57.007 44.951 0.005 0.010 0.061 -0.045 1.300 57.006 44.954 -0.005 -0.010 -0.050 -0.046 1.325 57.007 44.949 -0.001 0.005 0.068 -0.038 1.350 56.987 44.944 -0.015 -0.019 -0.043 -0.030 1.375 56.994 44.941 -0.016 -0.010 0.065 -0.039 1.400 56.990 44.938 -0.011 -0.015 -0.042 -0.037 1.425 56.994 44.939 -0.013 -0.008 0.052 -0.047 1.450 56.997 44.937 -0.010 -0.012 -0.017 -0.052 1.475 57.002 44.943 0.001 0.006 0.051 -0.052 1.500 57.005 44.949 -0.011 -0.016 -0.060 -0.053 1.525 57.011 44.954 0.013 0.020 0.078 -0.053 1.550 57.007 44.949 -0.009 -0.014 -0.055 -0.053 1.575 57.009 44.949 0.004 0.008 0.044 -0.055 1.600 57.017 44.957 -0.001 -0.005 -0.046 -0.061 1.625 57.020 44.961 -0.001 0.004 0.056 -0.066 1.650 57.024 44.960 -0.023 -0.026 -0.041 -0.076 1.675 56.993 44.950 -0.052 -0.045 0.076 -0.064 1.700 57.032 44.966 -0.032 -0.035 -0.037 -0.085 1.725 57.013 44.958 -0.045 -0.038 0.079 -0.076 1.750 57.038 44.970 -0.015 -0.017 -0.029 -0.078 1.775 57.012 44.962 -0.023 -0.017 0.064 -0.056 1.800 57.019 44.958 -0.022 -0.023 -0.017 -0.052 1.825 57.022 44.961 -0.010 -0.003 0.074 -0.049 1.850 57.040 44.976 -0.025 -0.030 -0.054 -0.042 1.875 57.017 44.964 -0.021 -0.015 0.062 -0.026 1.900 57.043 44.973 -0.012 -0.015 -0.036 -0.038 1.925 57.022 44.960 -0.004 0.002 0.064 -0.037 1.950 57.031 44.966 -0.020 -0.023 -0.027 -0.035 1.975 57.040 44.965 -0.005 -0.004 0.019 -0.022 2.000 57.039 44.970 0.011 0.006 -0.064 -0.037 2.025 57.020 44.954 -0.010 -0.004 0.059 -0.045 2.050 56.999 44.935 0.093 0.098 0.054 0.082 2.800 57.055 45.016 0.142 0.154 0.137 -0.022 0.000 57.000 45.000 -0.008 -0.010 -0.012 -0.002 Magnet Orientation: Height = -0.002 mm Pitch = -0.017 mrad Roll = 0.022 mrad Twist = -0.029 mrad/m X = -0.047 mm Yaw = 0.010 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = 1.3 mils | --| | | | | | | | | +z | | y2 = 0.2 mils ^ |y3 | |-> |O | y3 = 0.1 mils +x | | | | y1 = -0.8 mils | | | | | | | | | --| | y1 | |x1 x1 = 1.8 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