SLAC Magnetic Measurements Date: 02-13-2002 Time: 12:44:42 Project: spear3 Magnet Type: gdipole Magnet Name: 109D-035 Serial Number: Run Number: 3 Measurement Device: capacitive sensor Operator: jy Comment: iter 3 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 0.007 -0.048 0.012 0.004 -0.089 0.035 0.775 0.010 -0.051 0.015 0.011 -0.035 0.022 0.799 0.006 -0.052 0.013 0.009 -0.043 0.025 0.824 0.012 -0.047 0.000 -0.001 -0.015 0.003 0.849 0.003 -0.051 0.014 0.011 -0.040 0.021 0.874 0.011 -0.046 0.010 0.007 -0.023 0.001 0.898 -0.006 -0.063 0.013 0.012 -0.010 0.029 0.923 0.001 -0.058 0.004 0.003 -0.007 0.007 0.948 0.008 -0.053 0.001 -0.000 -0.011 0.023 0.973 0.005 -0.053 -0.013 -0.014 -0.015 0.006 0.997 0.004 -0.058 -0.010 -0.012 -0.019 0.018 1.022 0.005 -0.058 -0.024 -0.025 -0.009 0.014 1.047 -0.006 -0.064 -0.013 -0.016 -0.036 0.034 1.072 -0.003 -0.061 -0.020 -0.021 -0.014 0.026 1.096 -0.004 -0.062 -0.018 -0.022 -0.047 0.030 1.121 -0.010 -0.064 -0.029 -0.031 -0.026 0.023 1.146 -0.013 -0.068 -0.011 -0.016 -0.051 0.027 1.171 -0.019 -0.068 -0.031 -0.031 -0.006 0.019 1.195 -0.006 -0.060 -0.026 -0.028 -0.015 0.035 1.220 -0.014 -0.067 -0.027 -0.026 0.011 0.035 1.245 -0.014 -0.066 -0.028 -0.032 -0.044 0.039 1.270 -0.015 -0.064 -0.030 -0.030 0.004 0.037 1.294 -0.019 -0.070 -0.031 -0.034 -0.039 0.042 1.319 -0.015 -0.065 -0.024 -0.024 0.008 0.029 1.344 -0.017 -0.070 -0.020 -0.023 -0.029 0.026 1.368 -0.017 -0.069 -0.016 -0.016 0.004 0.024 1.393 -0.007 -0.058 -0.024 -0.025 -0.015 0.015 1.418 0.002 -0.055 -0.022 -0.022 0.006 0.006 1.443 -0.004 -0.060 -0.016 -0.015 0.002 -0.002 1.467 -0.003 -0.058 -0.006 -0.005 0.012 -0.007 1.492 0.001 -0.056 -0.002 -0.002 -0.000 -0.013 1.517 -0.007 -0.063 0.005 0.005 0.001 -0.000 1.542 0.005 -0.055 0.006 0.006 0.002 -0.007 1.566 -0.015 -0.069 0.021 0.022 0.010 0.006 1.591 -0.002 -0.056 0.027 0.031 0.040 0.004 1.616 -0.015 -0.068 0.035 0.035 -0.002 0.013 1.641 -0.020 -0.071 0.024 0.028 0.037 0.020 1.665 -0.005 -0.061 0.064 0.066 0.016 0.025 1.690 0.001 -0.054 0.071 0.074 0.042 0.028 2.800 0.018 -0.004 -0.057 -0.034 0.257 -0.121 0.000 -0.000 0.000 0.001 0.001 -0.002 -0.001 Magnet Orientation: Height = -0.003 mm Pitch = 0.024 mrad Roll = -0.011 mrad Twist = 0.066 mrad/m X = 0.018 mm Yaw = -0.013 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = -0.2 mils | --| | | | | | | | | +z | | y2 = -0.4 mils ^ |y3 | |-> |O | y3 = 0.1 mils +x | | | | y1 = 1.0 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