Groove gaging, although simple in concept, can be complex in application. Any groove gage used must have retraction in excess of the difference between the bore diameter and the groove diameter. Caliper type gages are often used, but linear action groove gages are preferable, since they are not dependent on a lever ratio and have a much wider range of adjustment.
Dorsey's Dynamike Model DYS groove gage combines a light weight, compact rigid cast frame and a patented ball bushing slide with a series of interchangeable gaging arms. This groove gage is designed to check all types of internal grooves and recesses, such as "O" grooves, oil grooves, thread recesses, washer grooves and retaining grooves.
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DYS groove gage shown with optional .37" dia bore contact arms
Dorsey's Dynamike Model DYN groove gage combines a patented ball bushing slide with a series of gaging arms to suit almost any application. Gaging contact retraction is accomplished by using a conveniently mounted thumb lever while gaging range adjustment is accomplished by sliding the static gaging arm along its precision ground rail.
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DYN groove gage shown with optional contact arms and indicator
Dorsey’s universal measuring groove gage was designed to combine our proven patented precision linear movement with a frame that accommodates a wide variety of contacts. This groove gage can precisely measure various internal and external dimensions such as diameters, grooves, splines, tapers, wall thickness, counterbores and hole locations and even threads.
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UG-1 groove gage shown with optional indicator
