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LT5 Options

Extra Test Channels

It is straightforward to add additional test channels at any time, in order to increase throughput.

Choked Bore / Ovality Test

A probe fitted to the test head checks whether the neck is occluded or deformed.

Height Check

A fiber-optic sensor checks that the bottle is not too tall. This can detect folded over base flash on some bottles, as well as neck flash.

Auxiliary Sensors

Spare inputs are available which can be used to connect other sensors which examine the bottle during the leak test. Examples are label sensors, flash detection sensors or vision systems. The leak tester would fail the bottle if any of these inputs are triggered.

Bottle transport options

A variety of bottle transport options can be fitted to replace the standard method, for use with certain bottle types. Options include side clamps and holding moulds.

Stabilization Plate / Brush

A pneumatically operated mechanism can be fitted to the infeed of the leak tester. This is only required when the conveyor is to be fed directly from the output of a blow molding machine with violent take-out movements, and where the conveyor can not go inside the machine guard. The queue of bottles is supported by the plate when push-out occurs. The plate then opens, allowing the bottles to travel down the conveyor.

Batch Counter / Diverter

This is a simple system intended to assist the scramble packing of bottles. A diverter mechanism at the end of the conveyor allows bottles to go into one or the other of two boxes. A preset count is entered into the system. Each time the count is reached, the diverter changes state. The bottles fall into the new box while the previous box, now full, is taken away and replaced. An optional alarm and reset button is available to alert an operator.

Vacuum Operation

The system usually pressurizes the bottles during the leak test. However, it is possible to supply the system for vacuum operation where required.

Special test pressure

The system test pressure is adjustable over a limited range (see specification). If this range is not sufficient, a different transducer can be fitted to allow any test pressure desired.

Data logging / SPC

The standard system maintains counts of passed and failed bottles. More extensive data logging and SPC features can be implemented by exchanging the controller PCB for one with the SPC option fitted.

Infra Red Beam Wall Thickness Measurement

As the bottle travels along the conveyor, it passes through a modulated infra red light beam. The absorption of the beam is measured and used to test the wall thickness. This can be used to detect wall thickness variations, blown in necks, etc. The system was designed for natural plastic (e.g. milk bottles) but may be suitable for other applications.

Multi-Gate Scramble Packing System

This is an optional facility where the leak detector includes a box packing system suitable for scramble packing of bottles. Bottles are diverted off the main conveyor into packing cartons, at a number of stations. For more details click here.

 

 

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© Plastech Control Systems. Page updated 10 December 2002