LET´S WORK TOGETHER.   Welcome to HAHN+KOLB Germany | For commercial customers only
JFA
90° test frame

For detailed information, other images and documents, please select individual articles from the following table.

JFA

90° test frame

for checking 90° angles

See product details

Available in 10 versions

You need more information or have not found your desired product?

Products

You need more information or have not found your desired product?
Call customer service: +49 (0) 7141 498-4848

Application

For simple and accurate checking of the 90° angle in e.g. coordinate measuring instruments and machine tools. 4-sided precision version available. The four narrow surrounding external sides (precisely shaped surfaces) are ground and lapped flat, parallel and at an angle of 90° to one another to the specified JFA accuracy. The two flat surfaces are finely machined.

Execution

  • carefully selected and flawless hard stone material – Diabas
  • 4-sided precision version available
  • JFA accuracy I+ or I++
  • Calibration certificate included in the scope of delivery. measurement results are based on national standards
  • DAkkS calibration certificate available on request
  • suspension device available upon request

Advantage

  • lightweight angle standard thanks to high-volume recess
  • torsion-resistant design thanks to strong cross-sections

Notes

- 3-sided, 5-sided, 6-sided precision versions available upon request
- from size 600 x 400 mm with an additional cross strut