Eisen, Japan
Eisen RP Series (fixed type) Plain Gauge
Made in Japan
Manufacturer: Eisen Co., Ltd.
Model: RP Series
Ceramic plug gauge (zirconia)
About the Series
*We manufacture gauges with tolerances up to JIS IT2. If you require higher precision, please contact us.
Shape
Precision and specifications
| Nominal size mm | tolerance | Roundness/cylindricity |
|---|---|---|
| 0.20…25.00 | Conforms to JIS B7420 | |
| φD mm | Holder size mm |
L1・L2 mm | Shape |
|---|---|---|---|
| 0.20…1.00 | Five | 20 | Type I |
| 1.00… 4.00 | Ten | 30 | Type II |
| 4.00… 6.00 | |||
| 6.00… 25.00 | 15 | Type III |
Series Details
The RP series is a replaceable limit plug gauge that uses ceramics (zirconia). When frequently used sizes need to be replaced due to wear, or when a special size is required, it is an economical limit plug gauge in which only the gauge part can be purchased and the handle can be used as is.
~Example of using plug gauges to judge pass/fail~
- If you get GO and no NG, you pass.
H7 Tolerance Setting Table
| φD mm | Plug Gauge Tolerance | |
|---|---|---|
| For H7 | ||
| Street side | Stop side | |
| 0.2 or more… 3 or less | +2.5μm +0.5μm |
+11μm + 9μm |
| More than 3… Less than 6 | +3.2μm +0.8μm |
+13.2μm +10.8μm |
| Over 6… 10 or less | +3.2μm +0.8μm |
+16.2μm +13.8μm |
| Over 10… 18 or less | +4.0μm +1.0μm |
+19.5μm +16.5μm |
| Over 18… 25 or less | +5.0μm +1.0μm |
+23μm +19μm |
- *Plug gauge tolerances are based on JIS B 7420-1997 limit plain gauge
- *Special sizes are also available.
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