Dual-Process CMM Arm Artifact Maintains Measurement Accuracy

Brunson Instrument Company has introduced its new ArmBar:250, a 250-mm reference artifact allowing dual-process verification of portable measuring arm probing tip or scanner functions.

Using Brunson’s patented Low Thermal Expansion (LTE) design, the ArmBar:250 gains additional stability and measurement predictability through a kinematic mount.

“We’ve listened carefully to our customers’ needs and created a metrology product that helps bring peace of mind to the CMM arm user,” said Mark Meuret, Brunson’s Director of Engineering.

The ArmBar:250 provides critical verification for contact or non-contact devices. The reference artifact features two, 1” (25.4 mm) diameter, grade 50, satin-finish spheres and two 6mm probe tip seats. The ArmBar:250 is easily mounted to a work cart, can be bolted to a table or clamped to any horizontal surface.

The ArmBar:250 is serialized and its lengths are certified. The ArmBar:250 is kinematically mounted to an aluminum base plate and is easily portable; additionally, a protective, hard-plastic storage case is available.

The ArmBarTM:250 is a dual-process reference artifact for CMM arm verification
KinAiry Laser Tracker volumetric performance checker

The ArmBar:250 joins a complete line of Brunson Reference Bars, which are deployed before, during and after critical measurement sequences to verify system accuracy and stability during the shoot. These include the patented 1.5LTE Low Thermal Expansion Reference Bar (1000mm, 40% less thermal expansion than Invar), Scale Bar Kits in both English and Metric configurations, Invar Length Reference Bars and Individual Invar Tubing.

Brunson Instrument also offers the KinAiry Laser Tracker Field Test Solution, providing a 30-minute, NIST-verified, full volumetric performance check on laser trackers in the field. Brunson Instrument Company designs, manufactures, and markets portable measurement and alignment solutions for high-precision industrial applications.

Brunson is an ESOP company, and serves its international client base out of its unique underground production facility through strategic distributors in Europe, Asia, and the Americas.

For more information: www.brunson.us


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