A thread NO-GO ring gauge is a test tool used specifically for checking ren ngoài. The gauges are marked with a red ring for quick differentiation from the GO ring gauges. With this 7-chiếc set in a sturdy plastic case, you can easily and reliably check the dimensional accuracy of your manufactured parts.
Checking with the NO-GO Dưỡng kiểm ren ngoài:
The thread NO-GO ring gauge must not screw into the part by hand more than two threads (without using excessive force). If the ring gauge can be screwed into the thread by more than two threads, the thread does not meet the desired requirements (=scrap).
Important note: The reference temperature for parts and gauges is 20° Celsius.
Q: What is a NO-GO Dưỡng kiểm ren ngoài used for?
A: A NO-GO ring gauge is a precision measuring tool for inspecting ren ngoài. It is used to ensure that the threads are not too small, which could prevent the corresponding nuts or components from being screwed on.
Q: What is the difference between a GO and a NO-GO ring gauge?
A: The GO ring gauge checks the fit of the thread (the maximum tolerance), while the NO-GO ring gauge checks if the thread is not too small (the minimum tolerance). Only if the part fits into the GO ring gauge and fits little to no threads into the NO-GO ring gauge is the thread considered dimensionally accurate.
Q: Why is the NO-GO ring gauge marked in red?
A: The red marking serves for visual differentiation and is intended to prevent confusion with the GO ring gauge. This is crucial because the test logic for both tools is opposite.
Q: What does the reference temperature of 20° Celsius mean?
A: The 20°C reference temperature is the standard at which all threads and gauges are calibrated and tested. Temperature differences can cause the material to expand or contract, which would distort the measurement result.
Q: How should I handle a thread that is classified as "scrap"?
A: If a thread screws into the NO-GO ring gauge by more than two threads, it is too small. Such a thread does not comply with the standard and is not suitable for the intended application. It must be reworked or the component in question must be discarded.
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| EAN | 4022835164920 |
|---|---|
| Mã hàng | 16492 |
Hãy là người đầu tiên đánh giá “NO-GO Ring gauges, 7-chiếc set in sturdy plastic case M 3 - M 12”
