Everything You Should Know About Is Go No Go Thread Gauge

Gauges are frequently used to examine threaded holes and shafts. While testing threaded holes in manufactured parts with plug gauges is a regular procedure, it is also crucial to check the diameter of shafts, dowels, and fasteners with ring gauges. For examining non-threaded items, there are additional smooth ring gauges.

GO NO GO Thread Gauges

Ring gauges offer a go/no-go evaluation of the pins, shafts, or threaded studs' stated dimensional tolerances or characteristics. Ring gauges are used in a range of industries, such as machine tools, automotive, oil and gas exploration, and other metal working applications, for comparative gauging as well as for the checking, calibrating, or establishing of gauges or other standards.

What Is Go No Go Thread Gauge

The no-go thread ring gauge is made to determine whether the work piece’s real external thread pitch diameter is smaller than the minimum size required. The major and minor sizes of the exterior thread are not examined here.

The thread length of the no-go thread ring gauge is at least three threads. The peak of the thread profile is shortened. A wear check plug gauge must be used to examine the no-go thread ring gauge on a regular basis.

It must be impossible to manually screw the no-go thread ring gauge onto the workpiece thread (from both sides) for more than two threads without using excessive force. The ring gauge is unscrewed to reveal the two rotations.

Benefits Of Go No Go Thread Gauge

The benefits include:

· Economical and convenient

· Accurate and simple

· Easy to function

· No requirement to measure the feature size to ensure the parts are within limits

Smooth Go and No-go ring gauges

To measure thread main diameters, smooth go and no-go ring gauges are available. An inspection is necessary after the thread has been finished since the major diameter can alter during thread cutting. Generally speaking, it is best to measure the external thread pitch diameter first and then the external thread major diameter.

The exterior thread major diameter smooth go ring gauge must be able to be easily pushed force less along the full thread length. The smooth no-go ring gauge for the external thread major diameter must not be able to be advanced beyond two pitches i.e. 2 x P from the thread's beginning.

Remember that when using a no-go gauge to measure thread tolerances, no force should be applied. The use of force could seriously harm your no-go gauge as well as your threaded product.

It is simpler for manufacturing organizations to assess whether their threaded shafts and holes fulfill design criteria when they have access to thread gauges.

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