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Subject:	Re: Where's your cleaning equipment?
From:	Brian Ellis <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Sat, 16 Feb 2002 09:51:34 +0200
Content-Type:	text/plain
Parts/Attachments:	text/plain (38 lines)

Kathie

As a general rule, small footprint conveyorised machines may not give
you satisfaction. A reasonable wash will take 2-6 minutes and you should
have at least 3 rinse stages, each of a minute, to get minimally clean
results. Then you should have a couple of air knives (each side) and hot
air drying for another couple of minutes. Let's say, conservatively, the
cycle should last 10 minutes. A small conveyorised machine, say 2 m
long, would therefore need to run at about 10-15 cm/min (remember that
loading/unloading areas are usually at least 30 cm long, each, so your
active length is only 1 m 40). This may be insufficient for some
processes.

IMHO, a GOOD batch machine (and I don't mean batch washers with
inadequate pumps and heaters that take an hour or more per cycle) will
give you far more satisfaction. The loading/unloading of the baskets
should take no more labour than your current magazine and can usually
easily be done, especially at your low production rates, by the same
workers who look after the rest of your line. This will give you much
more flexibility (you can adjust the cleaning variables, e.g., wash,
rinse and dry times and temperatures to suit the nature of the product
and the process). With a good system, you can have one basket with 1 m2
of perfectly clean and dry boards coming out of your machine every 10
minutes, if production rates should rise.

Brian

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