NIST model boosts CMM accuracy

Article Abstract:

The National Institute for Standards and Technology of Gaithersburg, MD has developed a computer model to correct for inaccuracies of touch-trigger probes on coordinate measuring machines (CMM). The Model, called SuperFit, will correct for deflections or undulations of ruby-tipped styluses in probes, which cause about 98% of errors in CMM values. The use of the model will decease probe-lobing errors from about 6 microns to only about 1 micron.

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, Measuring & Control Instruments, Research, Instrument industry (Equipment), United States. National Institute of Standards and Technology, Probes (Electronic instruments)

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Have laser, will travel: contract CMM calibration proliferates

Article Abstract:

Increasing usage of coordinate-measuring machines (CMMs) has generated a new industry offering CMM service and maintenance. CMM manufacturers, although familiar with their products, normally do not have enough capacity for service. Third-party calibrators are usually less expensive. All calibrators should be accredited, use accepted standards and keep records for certification.

Instrument Calibrating Services, Testing Laboratories, Other Measuring and Controlling Device Manufacturing, Mechanical Measuring Equip, Management, Calibration services, Instruments (Equipment), Maintenance and repair, Calibration, Outsourcing

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Buying inspection technology?

Article Abstract:

Several factors need to be considered when purchasing inspection technology. One of the essential issues to be addressed concerns determining the necessary measurements that affect a specific product. The need of the company's quality control program for data, whether it is daily or after each shift, can also be a factor in influencing the purchase of inspection technology.

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables, Engineering Services, Quality Control Engineering, Test & Measuring Gauges, Purchasing, Product quality, Inspection, Quality control equipment

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