Mitutoyo ph3500 bench type profile projector, 14 screen. After the experiment is over, the students must hand over the model of. View and download nikon v12a instructions manual online. If the image is reversed top to bottom, left to right and by movement with respect to the object on the stage as shown in the. It is through the sharing of experience that science teaching can be improved and enabled to move forward. An optical comparator often called just a comparator in context or profile projector is a device that applies the principles of optics to the inspection of manufactured parts. Measurements using optical profile projector 31 34 7. The projector can produce an enlarge projection shadow of an object. Projector calibration for pattern projection systems. The homemade projector can help visualize this concept.
Profile projectors are precision inspection and measuring. Homemade projector experiments steve spangler science. Profile projector electromagnetic radiation optics. The experiment was repeated with slip gauges of different sizes within the range of the. Projector calibration for pattern projection systems, i.
Profile projectors erect image and inverted image an image of an object projected onto a screen is erect if it is orientated the same way as the object on the stage. It is altogether fitting and proper that this 700 science experiments for everyone should be a compilation of the work of experienced science teachers from many countries. This setup are following the first setup by bertsh in 2003 that. The projection methods of examination are well adapted to the examination of form tools, profile gauges, press tools, gear teeth, screw threads, etc. Measurements using optical projector toolmaker microscope. In a comparator, the magnified silhouette of a part is projected upon the screen, and the dimensions and geometry of the part are measured against prescribed limits. Profile projector electromagnetic radiation optics scribd. Thread measurement using profile projector duration. Load cell of 10 kg capacity, dead weights and digital load indicator. The lens on the box flips images right side up as they pass through it going from the upside down phone to the screen. Measurement of gear tooth profile using gear tooth vernier gear tooth micrometer. For the love of physics walter lewin may 16, 2011 duration.
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