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Product category: Data loggers
News Release from: Grant Instruments (Cambridge) | Subject: OQ606
Edited by the Engineeringtalk Editorial Team on 18 November 2004

Logger helps boost paintbrush quality

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A leading manufacturer of paintbrushes is using a Grant OQ606 through process logger to continuously monitor curing time to ensure successful bonding of bristles within its ferrules.

Whether used by an interior designer to apply white matt emulsion, at home touching up gloss paint, or by an artist working on a new masterpiece, one of the infuriating problems they face is a stray bristle spoiling their work Stray loose bristles or deteriorating paint brushes may even lead to rework, costing time and money

Problems within the curing process are the main cause of bristle failure.

A leading manufacturer of paintbrushes has addressed this problem.

Using a Grant OQ606 through process logger the company is able to monitor continuously the curing time of the adhesives to ensure successful bonding of the bristles within the ferrule.

The bristles together with the adhesive are inserted into the ferrule and placed onto a conveyor belt which passes through a belt oven.

The process takes 20 minutes for the bristles to be bonded at temperatures from 65 to 85C.

The belt speed and oven length is programmed into the Grant Squirrel software, to enable analysis to pinpoint where a problem may have occurred.

An analysis report is printed out to support quality reports.

This system has enabled quality standards to be maintained.

The company has full control of the manufacturing process as any temperature variation will be known enabling engineers to take remedial action.

Grant was selected as the supplier as - apart from competitive pricing and sound technical specification - it provides full technical support and customer service, and the Squirrel software is easy to install and use.

Prior to using the Grant OQ606 through process logger the company was obliged to monitor temperature with a handheld thermometer that, although useful, could not provide a complete temperature profile of the process.

Now the company knows that the system can be set up and run without continuous monitoring the temperatures by hand, coupled with the assurance that the curing process is taking place successfully.

The Grant OQ606 datalogger can sample at rates up to eight times a second for fast-moving or volatile processes, or can be slowed down to once in two hours for measurements in a relatively static environment.

It is battery powered, using three AA cells, to give up to 200 hours operation at default settings.

There are six thermocouple channels to provide operators with a full picture of temperature levels.

The measuring range is -20 to +130C, with an ambient logger operating temperature of up to 65C.

The OQ606 is normally used with a Grant thermal barrier.

There is a standard range of thermal barriers that will withstand typical operating temperatures of 250C for a duration of 45 minutes.

Custom made loggers and barriers can be supplied.

Grant Instruments provides a range of data acquisition and logging equipment and systems that are used throughout all storage, laboratory, test, manufacturing and process industries.

Grant Instruments (Cambridge): contact details and other news
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