Product category:
Injection moulding
News Release from: Chemical Process Solutions | Subject: Injection Overmoulding Technique
Edited by the Manufacturingtalk Editorial
Team on 16 March 2006
Overmoulding seals heat exchanger tubing
to plate
An 'overmoulding technique' is a process that achieves 100% sealing of the tubes to the plate in thermoplastics heat exchangers, using melting, under controlled, reproducible conditions.
Calorplast's UK distributor/manufacturing agent, Chemical Process Solutions, explains the benefits of their 'Overmoulding Technique', used to manufacture their Thermoplastic Heat Exchangers Typical processes used to mold the tubes into the plates are very unlikely to produce consistent quality joints
This article was originally published on Manufacturingtalk on 4 Dec 2002 at 8.00am (UK)
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Calorplast use a process that achieves 100% sealing of the tubes to the plate, utilizing melting, under precisely controlled reproducible conditions.
Overmolding is an injection molding process where the tubes are inserted into a preheated mold, and then the melted polymer is injected over the melted tube ends, to form either a stable collector or a connector element.
With this method the raw material will melt completely under high temperature and pressure, joining together with the rest melt of the other material.
The solidified material has a completely homogeneous structure.
The calorplast range includes Immersion, Shell and Tube, Tube-Plate, Flexible and Gas-Water Heat Exchangers in PVDF, PP, PE, and PFA (Teflon).
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