Closure torque tester validation check

The customer had a number of Tornado closure torque testers, and wished to carry out regular validation checks without the need to return the units to either Mecmesin or an approved laboratory.

Solution

The closure tester was securely mounted in the vertical plane and a load beam was placed centrally in the universal-clamping fixture. The loadbeam had 5 hooks equi-spaced either side of the axis of the transducer.

The loadbeam located off the central leadscrew of the clamping fixture ensured centralisation. Calibrated masses were then hung at different positions along the loadbeam and once stabilised the displayed torque reading noted.

This method provided a 5-point check calibration, in both clockwise and counter-clockwise directions, all possible without having to reposition the unit.

System

Closure tester support band

  • Load beam
  • 2 weight hangers
  • 5 5N calibrated masses

See also

Cosmetic packaging pull-off test

A bench-top testing system was required to repeatably test the pull-off force on a variety of cosmetic containers. The system needed to allow a relatively high volume of containers to be tested with the minimum level of training required for users. Mecmesin's solution avoided the risk of damaging the loadcell by excessive torque on tightening the collet grip, and the lipstick barrel was first inserted in the grip and then connected to the gauge by a flexible chain-link.

Food packaging made from thermoformed plastics and intended for freezing, requires testing to ensure optimum functionality when closing and sealing the container. The closing effort of the lid is measured by using a motorised force tester controlled by software together with a custom-designed fixture to hold standard-sized ice cream tubs. In addition the ‘top-load’ crush strength of the container itself can also be tested on the same machine to guarantee it is rigid enough to avoid buckling and spillage when the lid is applied.

Mecmesin develops Combi Cork-i Extraction Tester for leading Scottish whisky

To improve the quality and storage of a premium product, the R&D team at a leading Scottish whisky maker needed to optimise the design of their bottle stoppers. They decided that the strength and performance of their reusable stoppers could be ensured by systematic testing of the characteristics of both portions of the stoppers. Working closely with the R&D team, Mecmesin developed the Combi Cork-i Extraction Tester, an innovative multi-function cork extraction testing system that tests both phases of de-corking synchronously.

  • Isabel Thomas
  • Product Info
  • English
  • Created 11 Feb 2019
  • Modified 11 Jun 2019
  • Hits 609