KFB
Strain Gages for Measuring Axial Tension of Bolts
Summary
If it is difficult to bond a strain gage to the surface of a bolt for measuring the tightening stress, these gages enable the measurement by embedding into a hole, 2 mm in diameter, bored from the top head of the bolt.
Major Properties
| Materials Resistive element | CuNi alloy foil |
|---|---|
| Materials Base | Polyimide |
| Operating temperature in combination with major adhesives after curing (°C) | EP-370: Normal temp. to 50ºC |
| Operating temperature in combination with major leadwire cables (°C) | φ0.14 Polyester-coated copper cable 5 cm long |
| Self-temperature-compensation (°C) | ー |
| Applicable linear expansion coefficients (×10-6/℃) | ー |
| Strain limits at normal temp. (approx. %) | ー |
| Fatigue lives at normal temp. (times) | ー |
Products table
All display
KFB120Ω Uniaxial (For axial tension of bolt measurement)
5 gages/pkg
| Model | Dimensions (mm) | |||
|---|---|---|---|---|
| Gage(Grid) | Base | |||
| Length | Width | Length | Width | |
| KFB-1.5-120-C20-11 N5C2 | 1.5 | Approx. 6 | 5 | φ1.9 |
| KFB-3-120-C20-11 N5C2 | 3 | Approx. 6 | 11.5 | φ1.9 |
Remarks
Bore diameter 2
*We have offered service with our sophisticated bonding work of strain gage onto bolts provided by our customers.
