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E-News Update November 2010 |
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Machinery News
Higher output from preform cooling system
W.
Amsler Equipment, a Canadian manufacturer of all-electric, reheat stretch-blow moulding machines, reports that its new preform cooling system has achieved 13% higher output for production of thickwall PET liquor containers when installed by Canadian blow moulder Westbridge.The preform cooling system uses increased air flow in the oven to reduce the surface temperature of the preform. This results in minimal temperature differential throughout the preform, thus inducing less stress and creating faster moulding cycles. In addition, the increase in air flow improves the production of coloured bottles, reducing the chance of burning the coloured performs, says the company.
The system uses the same heating element (infrared short-wave emitters) but replaces the standard reflectors with a plenum (chamber). The air flow through the plenum slots cools each preform directly and precisely. Instead of compressed air, Amsler relies on its standard integrated filtered air supply at no additional cost in power consumption.