Description of Equipment The Starrett VB400 Optical Projector is designed for 2-dimensional optical measurement of profiles and surface features of parts.
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The projector comprises the following main items: 1. Screen Housing
The Screen Housing contains the projection lens and mirrors. 2. QC DRO
The QC DRO enables measurements to be viewed and recorded, and programs to be created for measuring a number or similar parts. For further details, refer to the QC DRO Operators Manual. 3. Projection Lens Projects the image on to the screen via the mirror in the screen housing. A range of lenses is available; for details see Section 7 - Specification. For changing lenses see Section 6 - Maintenance. 4. Projector Body Contains the transformer, Surface Illumination Assembly, Surface illumination Power Supply Unit and Profile Power Supply Unit. Access is through maintenance hatch located at the rear. 5. Workstage Movable in the X and Y axes for measurement, and in the Z axis for focus, with a single dovetail slot for fitting work holders with angular clamping screws. 6 Projector Base
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