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Functional Thread Size Gages |
Functional thread size gages inspect the effects of all thread element variations and report deviations (functional size). Before inspecting parts, the gages must be preset to a nominal predetermined dimension using gage blocks, micrometers, or Gagemaker’s MIC TRAC measurement center. To ensure maximum accuracy, the gages use matched sets of precision ground thread rolls that seat in the threads during inspection. Each set of thread rolls is designed to ANSI specifications to measure unlimited diameters for a specific thread form. Common pitches ranging from 4 TPI to 20 TPI of the UN Series, ACME, and Stub ACME, and 1.5mm to 4 mm of the ISO Metric thread rolls are in stock. Whitworth and 7° X 45° Buttress thread rolls are available with short lead time.
The PG-6000 Series gages inspect diameters of internal threads. The RG-7000 Series gages measure diameters of external threads.
Special thread forms available upon request. All thread rolls are sold separately.
Features
- Measures internal or external threads for a range of diameters
- Uses interchangeable thread rolls for measurement of different thread forms.
- Replaces conventional ring and plug gages by providing actual diameter readings.
- Provides functional measurement by inspecting the effects of thread element variations such as: lead, taper, thread height and pitch diameter.
- Eliminates unnecessary damage to threads caused by ring and plug gages.
- Allows use in a manufacturing or field environment due to durable construction.
- Requires presetting using gage blocks, micrometers, or Gagemaker’s MIC TRAC measurement center.
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External Functional Gage (RG-7000)
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RG-7000 on part |
Internal Functional Gage (PG-6000)
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PG-6000 in part |
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