Page 22 - Industrial Technology March 2020 issue

MACHINE BUILDING

Keeping the ketchup fresh

INDUCTIVE SENSORS

A FOOD-PROCESSING PLANT TRUSTS CONTRINEX’S SENSORS TO HELP
IT ENSURE PLASTIC BOTTLES, FILLED WITH LIQUID FOOD PRODUCTS,
ARE HERMETICALLY SEALED AND ITS CUSTOMERS KEPT SAFE

luminium-foil closures are commonly utilised as of sensors between batches as successive batches may
seals for plastic containers filled with ketchup, comprise containers of differing sizes. Contrinex Extra
mustard and other table sauces. At a food- Distance inductive sensors are ideal for this application,
Aprocessing plant, closures are applied to filled with the M30-diameter units operating reliably at sensing
containers passing along an automated production line, distances up to 40mm; a single sensor thus
sealing the contents ready for capping and bulk accommodates the entire range of container heights. M12 cable connector, allowing easy removal and
packaging. From time to time, equipment malfunctions Robust construction with chrome-plated brass bodies and replacement of individual sensors for maintenance.
can occur and containers leave the sealing station without PBTP sensing faces ensures that these devices are Connection to the customer’s test equipment is via a
closures in place. If unsealed containers are not detected suitable for a busy production environment. flexible PVC-sheathed cable.
prior to capping, entire batches of product may require A single sensor, located immediately after the sealing With an unmatched combination of 40mm sensing
manual inspection, resulting in lost production, down-time station and positioned directly above the production line, distance in an M30-diameter device, the customer can
or potential rejection by customers. provides reliable, repeatable and fast detection of the now test the entire range of containers without adjusting
An in-line sensor system inspecting each container aluminium-foil closures. With a switching frequency of up the sensor height between batches. Contrinex Extra
could confirm the presence of a foil closure, rejecting any to 100Hz, this Extra Distance unit is well suited for fast- Distance inductive sensors deliver exceptionally reliable
faulty items. Each production line processes containers in moving production where high-speed sensing is required. test results at production-line speed, without
batches. The system must accommodate containers This Contrinex inductive sensor has an industry- interruption.
whose heights vary by up to 20mm, without adjustment standard PNP normally-open interface and an integral MORE INFORMATION: www.plusautomation.co.uk

All your industrial automation

components from one trusted supplier

Offering technical expertise and application solutions

Panel Pressure & Flow Sensors & Safety Machine Vision Motors

www.oem.co.uk 0116 217 9090