Hemiplegia. During the Puerperium.

Sloan, Samuel

doi:10.1016/s0140-6736(02)39286-9

Cited by 1 publication

(3 citation statements)

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“…For the pulsed cooling experiments, the coolant temperature was set at 11uC. The mould for the trials was set up according to the principles of pulsed cooling 3 2 Component drawing showing runner, gates and locations of four cavity pressure-temperature transducers given in the introduction involving the following procedure:…”

Section: Injection Mouldingmentioning

confidence: 99%

“…Over the last 15 years, a mould cooling process that claims to effectively manage the heat transfer in injection mould tools has been developed. 2,3 The process known as 'pulsed cooling technology' or 'PCT' operates with controlled pulses of the coolant to separate cooling zones in the mould tool. It also uses the heat supplied by the injected resin melt to maintain the temperature of the tool so that only the excess heat from that source is extracted from the mould.…”

Section: Introductionmentioning

confidence: 99%

“…It also uses the heat supplied by the injected resin melt to maintain the temperature of the tool so that only the excess heat from that source is extracted from the mould. 2,3 A brief description of the operation of PCT is as follows:…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of heat management in injection mould tools

McCalla¹,

Allan²,

Hornsby³

2007

Plastics, Rubber and Composites

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The control and management of heat in injection mould tools is a vital requirement for obtaining optimum production processing conditions. This paper describes an investigation that compared conventional mould cooling methods with a relatively new technique called 'pulse cooling technology' (PCT). The principle of PCT is the use of an intermittent flow of the cooling medium in the mould tool with accurate control of the mould cavity surface temperature during the injection moulding cycle.A mould tool instrumented for cavity pressure, cavity surface temperature and mould background temperature measurements was constructed for the study. Results showing the effectiveness of PCT compared with conventional cooling are presented for polypropylene (PP), polycarbonate and filled PP with talc and aluminium powders. A reduction of up to 22% of the conventionally cooled moulding cycle time for unfilled PP has been recorded when pulsed mould cooling was used.

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Section: Injection Mouldingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%