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Table of Contents
Related Manuals for HAMAR LASER T-212
Summary of Contents for HAMAR LASER T-212
- Page 2 WARRANTY Hamar Laser Instruments, Inc., warrants each instrument and other articles of equipment manufactured by it to be free from defects in materials and workmanship under normal use and service, its obligation under this warranty being limited to making good at its factory any instrument and other article of...
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Page 3: Table Of Contents
Table of Contents Introducing the T-212 4-Axis Target ....................1 Interpreting Signs .........................2 How the T-212 Target Measures Angle ..................3 How the T-212 Target Measures Center ..................3 The Index Module ........................3 Mounting Error Calculation ............Error! Bookmark not defined. -
Page 4: Introducing The T-212 4-Axis Target
Introducing the T-212 4-Axis Target The T-212 Target is a 4-axis target that measures: • Vertical and Horizontal center • Vertical (pitch) and horizontal (yaw) angle The target works in two modes; Centering and Angular. Centering Mode detects vertical and horizontal •... - Page 5 Level vials are used on the top and bottom of the T-212 to perform the NORMIN procedure (see The NORMIN Procedure on Page 5). The T-212 Target's half-inch mounting stud is designed for use with Hamar Laser's target mounting fixtures. Custom mounting fixtures are simple to design—a ½ in. hole reamed square to a face is all that is required to hold the target.
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Page 6: How The T-212 Target Measures Angle
How the T-212 Target Measures Angle Figure 4 shows how the T-212 Target measures angle. It uses a lens that has a 1-inch focal length, which means any deviations detected by the PSD sensor are expressed in inches/inch (mm/25.4 mm). To understand this better, imagine that there is another PSD sensor 1 inch behind the where the T-212’s PSD... -
Page 7: The Index Module
Mounting Error Calculation All T-212 targets are shipped with the target PSD aligned to the housing within .0005 in. TIR. In time, handling may cause the target cell to become out of center. To remove centering and fixture errors, use the NORMIN method of taking a normal reading, rotating the target 180 degrees and taking another reading, and splitting the difference between the two (see The NORMIN Procedure beginning on Page 5). - Page 8 Appendix A - The NORMIN Procedure NORMIN method developed Hamar Laser Instruments compensating for laser or target mounting errors in bore or spindle work. The word is a contraction of “NORMal-INverted,” which briefly describes the method. It is quite similar to the four clock readings taken with dial indicators but uses a laser and a target instead.
- Page 9 The readout always shows the displacement between the Target Center and the Laser Beam Center. When the Target Center is not on the True Bore Center, the numbers and the signs on the readout will change when the target is rotated because the Target Center is moved to a different location in relationship to the laser beam.
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