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IPST evaluates XQi BQM technology

XQi and Ensis form joint venture to perfect on-line measurement

CHH buys XQi technology

Carter Holt harvey looks to XQi technology to push manufacturing advantage.

IPST Evaluates XQi BQM Technology

IPST has taken the opportunity to evaluate BQM medium shear stiffness technology and compared it to its own torsion measurements of shear rigidity. Dr Roman Popil, observes that the large range in BQM values corresponds well to the large range in hardness, thus BQM measurements can substitute for hardness to detect levels of board crushing with more sensitivity than caliper measurements.

In a paper given at the recent Internationaal Paper Physics Conference at the Gold Coast in Australia, and after reviewing his work, Dr Popil recognised the BQM technology to be: "A convenient means adaptable to production environments recently developed is based on a sonic determination of the resonance frequency and amplitude of an MD induced shear motion induced by a vibrator."

Work undertaken by Dr Popil shows that the BQM measurement corresponds strongly with the flexural rigidity of corrugated board, R55, and with the hardness value of a flat crush- known to be related to the levels of crushing and damage accumulated by the corrugted board.

The diagram to the right show some of the results reported by Dr Popil.

CHH buys XQi technology The corrugated box Division of Carter Holt Harvey (CHH) is leveraging the innovative measurement technology of the BQM-1 to commercial advantage. In 2006, Carter Holt Harvey chose to incorporate the use of BQM-1 testing devices across its Australian operations as a component of its aggressive program for increased product quality.

These devices have been widely used in both the Melbourne and Sydney corrugated manufacturing operations and have helped enable CHH to more than match larger players in the quality stakes. The BQM-1 falls in line with CHH’s declared objective of ‘growth through quality’. Its speed and ease of operation have made this measurement technology a feature of each manufacturing station in the corrugating and conversion process.

One design feature that has appealed to the boxmaker is the non-destructive nature of the testing and the fineness of the measurement target which has enabled clear identification of factors which affect the shear stiffness of the medium.


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