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What is the usage method of thread plug gauge
Published:
2023-01-14 09:19
Ordinary threads are multi-parameter elements and have two types of detection methods: comprehensive inspection and single item inspection.
Comprehensive inspection is the inspection of the comprehensive results of geometric parameter deviations that affect thread interchangeability using a gauge. This includes using a regular thread gauge and a stop gauge to inspect the effective pitch diameter (including base diameter) and a single pitch diameter of the tested thread, and using a smooth limit gauge to inspect the actual top diameter of the tested thread.
Thread gauges produced by thread plug gauge manufacturers are also known as thread plug gauges.
The thread gauge is designed to measure the maximum solid tooth shape of the thread to be tested. It is checked whether the effective pitch diameter of the tested thread exceeds the pitch diameter of its maximum solid tooth shape, and also whether the actual size of the base diameter exceeds its maximum solid size.
The inspection method for thread plug gauges produced by thread plug gauge manufacturers: If the tested thread can be rotated through the thread through gauge and not fully rotated through the thread stop gauge (the thread stop gauge only allows two segments of rotation with the tested thread, and the rotation amount should not exceed two pitches), it indicates that the effective pitch diameter of the tested thread does not exceed the pitch diameter of its maximum solid tooth shape, and a single pitch diameter does not exceed the pitch diameter of its minimum solid tooth shape, So it can ensure the screwability and connection strength, and the measured thread pitch diameter is qualified.
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