For NPTF gauges for U.S.-type pipes, the central notch of the L1 gauge (three-stage notch) indicates the reference diameter, and the other two notches indicate the maximum and minimum allowable notches.
To use the gauge, screw it into the gauge until the screw stops, and if the pipe end of the screw to be inspected is within the range of the maximum and minimum notches, it
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No : 249
公開日時 : 2019/02/22 17:01
更新日時 : 2024/08/28 02:29
カテゴリー：
Usage
According to JIS B 0251:2008 gauge usage, the GO must pass through the overall length when screwed in by hand without excessive force.
(From OSG Technical Data Screw Gauge)
In the case of a limit plane gauge, the force at the time of gauge inspection is the own weight of the gau
No : 250
公開日時 : 2019/02/22 17:01
更新日時 : 2024/08/28 02:29
カテゴリー：
Usage
It is stipulated by JIS that the calibration of the plug gauge should be performed by measuring by the three-needle method.
In some cases, calibration is performed in-house by the user, but it is not easy because it needs to be done by a qualified technician in terms of equipment. Therefore, we recommend that you send it to a calibration company or gauge manufact
No : 258
公開日時 : 2019/02/22 17:01
更新日時 : 2024/08/28 02:29
カテゴリー：
Screws & others
For NPT gauges for U.S.-type pipes, the central notch of the L1 gauge (three-stage notch) indicates the reference diameter, and the other two notches indicate the maximum and minimum allowable notches.
To use the gauge, screw it into the gauge until the screw stops, and if the pipe end of the screw to be inspected is within the range of the maximum and minimum notches, it is ju
To use the gauge, screw it into the gauge until the screw stops, and if the pipe end of the screw to be inspected is within the range of the maximum and minimum notches, it is ju
No : 261
公開日時 : 2019/02/22 17:01
更新日時 : 2024/08/28 02:29
カテゴリー：
Usage
It is not available as a standard product, but will be handled as a special product. In addition, we generally recommend straight holes for pilot holes during tapered tapping processing.
No : 263
公開日時 : 2019/02/22 17:01
更新日時 : 2019/02/22 17:01
カテゴリー：
Tool selection
What is the thread gauge for oversize taps?
The selection of a gauge for oversized taps is incorrect. The gauge is selected according to the "accuracy of the thread" indicated in the drawing instructions. When using an oversize tap, the gauge that should be used depends on the purpose.
Examples of combinations of applications and gauges to be us
No : 266
公開日時 : 2019/02/22 17:01
更新日時 : 2024/08/28 02:29
カテゴリー：
Tool selection
The use of screw gauges is determined by JIS standards.
Use the accuracy grade of the drawing instruction and inspect the screws according to the prescribed method.
[Limit gauge for screws types and how to use them]
| Name Shape | ||
No : 195
公開日時 : 2019/02/22 17:00
更新日時 : 2024/08/28 02:29
カテゴリー：
Usage
In gauge inspection, the accuracy of the drawing indication cannot be substituted for gauges of other precision.
This is true even if the gauge to be substituted is within the specified tolerance of accuracy.
As a rule for using gauges, the accuracy of the thread gauge must be consistent with the drawing instructions.
Only one accuracy c
No : 233
公開日時 : 2019/02/22 17:00
更新日時 : 2024/08/28 02:29
カテゴリー：
Troubleshoot