3. HDV300 and HDV400 Systems
This section provides the following information:
An overview of the HDV systems
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• A description of the features and capabilities of the HDV systems
• A description of the major components of the HDV systems
3.1 Overview
The HDV300 with 300 millimeters (or 11.81 inches) of travel and HDV400 with 400 millimeters (or 15.75 inches) of travel are horizontal digital video systems that combine the best features of a vision metrology system and a horizontal optical comparator.
3.2 Features and Capabilities
The HDV300 and HDV400 systems include the following features:
A 5-megapixel digital video camera.
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• Available with a choice of seven telecentric lenses that provide micron-level resolution and optical distortion as low as 0.001% across the field of view (depending on the lens) for accurate field-of-view (FOV) measurements. • The APT60 rotary stage option. The APT60 stage provides numerous benefits including increased radial load stability and moment load rating. • Available in a manual version, where X-Y-Z positioning is by means of handwheels, and in a CNC version, where motion is motorized and under computer control. With the CNC version, X-Y motion can be under full software control, or under manual control by means of a joystick unit. X-Y travel is 11.81 x 5.9 inches (300 x 150 millimeters) with HDV300 systems and 15.75 x 5.9 inches (400 x 150 millimeters) with HDV400 systems. • MetLogix M3 touch screen software with the M3 DXF/FOV option pack. With the M3 software, users can import DXF CAD files over a network and make automatic 2D go-no- go comparisons to an engineering design by using video edge detection (VED), with no need for the screen overlays that would be required with an optical comparator. 2D geometric functions include points, lines, circles, arcs, rectangles, distances, slots, angles, and skew.
• Rugged benchtop machines that can be operated in a quality lab or on the shop floor.
• The system housing is built of welded steel.
• The stage is made of machined hardened aluminum and has two dovetail slots to allow the clamping of parts and fixtures. Maximum workload capacity is 50 kilograms (110 pounds). The stage is the same as Starrett’s HB400 horizontal optical comparator.
• Linear glass scales provide 0.5 µm (0.00002 inches) of resolution to read stage motion.
• The computer and M3 controller are located inside the comparator housing, resulting in a clean design with minimal external wiring.
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