SLAC Magnetic Measurements Date: 04-01-2002 Time: 14:22:40 Project: spear3 Magnet Type: gdipole Magnet Name: 109D-040-pract Serial Number: Run Number: 1 Measurement Device: capacitive sensor Operator: sa Comment: Gap vs z, magnet where Jerry left it 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 -0.001 -0.058 -0.079 -0.066 0.148 0.030 0.775 0.007 -0.052 -0.067 -0.048 0.202 0.030 0.799 -0.002 -0.059 -0.073 -0.061 0.128 0.008 0.824 0.000 -0.061 -0.064 -0.051 0.140 0.003 0.849 -0.003 -0.060 -0.069 -0.060 0.094 0.004 0.874 0.004 -0.053 -0.062 -0.048 0.155 0.000 0.898 0.004 -0.056 -0.064 -0.057 0.084 0.009 0.923 0.005 -0.056 -0.059 -0.047 0.131 0.007 0.948 0.001 -0.060 -0.066 -0.057 0.096 0.010 0.973 0.003 -0.055 -0.065 -0.052 0.146 0.010 0.997 0.002 -0.060 -0.072 -0.066 0.060 -0.002 1.022 0.002 -0.059 -0.068 -0.058 0.113 0.007 1.047 -0.002 -0.057 -0.067 -0.062 0.056 0.023 1.072 -0.005 -0.063 -0.049 -0.041 0.095 0.021 1.096 -0.016 -0.071 -0.058 -0.053 0.051 0.025 1.121 -0.020 -0.076 -0.051 -0.042 0.104 0.025 1.146 -0.021 -0.074 -0.044 -0.039 0.054 0.016 1.171 -0.026 -0.077 -0.056 -0.047 0.099 0.017 1.195 -0.022 -0.073 -0.065 -0.060 0.062 0.024 1.220 -0.028 -0.083 -0.057 -0.050 0.080 0.027 1.245 -0.014 -0.071 -0.052 -0.049 0.035 0.027 1.270 -0.022 -0.078 -0.051 -0.045 0.070 0.030 1.294 -0.018 -0.072 -0.065 -0.064 0.015 0.022 1.319 -0.018 -0.077 -0.056 -0.052 0.051 0.020 1.344 -0.016 -0.071 -0.055 -0.055 0.005 0.012 1.368 -0.024 -0.079 -0.054 -0.049 0.056 0.017 1.393 -0.020 -0.072 -0.052 -0.053 -0.009 0.003 1.418 -0.020 -0.074 -0.049 -0.046 0.038 -0.005 1.443 -0.016 -0.071 -0.058 -0.057 0.011 -0.014 1.467 -0.030 -0.079 -0.051 -0.047 0.040 -0.019 1.492 -0.019 -0.072 -0.042 -0.041 0.012 -0.028 1.517 -0.021 -0.075 -0.050 -0.047 0.030 -0.021 1.542 -0.010 -0.068 -0.039 -0.040 -0.014 -0.026 1.566 -0.005 -0.063 -0.043 -0.047 -0.038 -0.024 1.591 -0.010 -0.063 -0.040 -0.040 -0.009 -0.019 1.616 -0.004 -0.061 -0.050 -0.054 -0.051 -0.017 1.641 -0.011 -0.067 -0.045 -0.048 -0.027 -0.010 1.665 -0.014 -0.070 -0.041 -0.045 -0.050 -0.001 1.690 -0.008 -0.063 -0.031 -0.034 -0.026 0.005 2.800 0.019 -0.004 -0.031 -0.007 0.266 -0.121 0.000 0.000 0.000 0.002 0.002 -0.002 0.002 Magnet Orientation: Height = -0.056 mm Pitch = 0.032 mrad Roll = 0.057 mrad Twist = -0.202 mrad/m X = 0.006 mm Yaw = -0.035 mrad Required Motions To Bring The Magnet Into Alignment Top View ----------------------- | O --| | y2 | |x2 x2 = -0.3 mils | --| | | | | | | | | +z | | y2 = 0.2 mils ^ |y3 | |-> |O | y3 = 2.2 mils +x | | | | y1 = 2.0 mils | | | | | | | | | --| | y1 | |x1 x1 = -2.0 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