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International Journal of Forming Processes
1292-7775
Publication suspended
 

 ARTICLE VOL 4/3-4 - 2001  - pp.253-267  - doi:10.3166/ijfp.4.253-267
TITLE
Micro Injection Moulding

ABSTRACT

Following the international trend of miniaturisation, parts are becoming smaller and smaller down into the range of mm. The general injection moulding process is capable of producing such parts, but there are certain restrictions to be obeyed and the production equipment, especially for injection moulding, has to be changed or adapted to suit the small dimensions. With emphasise on injection moulding the special requirements of micro-parts are discussed. One main point is the minimum shot volume of the injection moulding machine. Additionally micro-injection moulded parts are showing a lot of characteristics different to normal sized parts, e.g. because of their small size they cause problems in handling and in quality control. For manufacturing mould inserts in the mm-range new technologies like LIGA have to be employed. A wall thickness of less than around 0,2 mm can be filled using “variotherm”-injection moulding. The integration of all the special features needed for micro-injection moulded parts into a complete manufacturing cell allows a highly efficient production. Micro injection moulding need not be used to produce plastic parts only. Powder injection moulding - PIM - as an emerging technology utilises the advantages of injection moulding of plastics for metal and ceramic parts.

AUTEUR(S)
Christian G. KUKLA

Reçu le 1 août 2001.    Accepté le 15 novembre 2001.

KEYWORDS
Micro Injection Moulding, Variotherm, Micro Machining, Tooling, Process Control.

CITATIONS
ijfp.revuesonline.com/revues/5/citation/158.html

LANGUE DE L'ARTICLE
Anglais

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