Method for assembling a mould for casting a part from molten...

B - Operations – Transporting – 22 – D

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B22D 15/02 (2006.01) B22C 9/02 (2006.01)

Patent

CA 2640308

The invention relates to a method for assembling a mould that is composed of mould sections and is used to cast a cylinder block of an internal combustion engine from molten metal. According to said method, at least one chill (14 - 17), which forms at least one sub-section of the inner surfaces of a cylinder chamber, is positioned and held against a wall (11) of one of the mould sections (1). The method according to the invention permits moulds comprising chills in the mould cavity to be assembled simply and reliably. To achieve this, the chill (14 - 17) is held in position for a specific holding period by means of magnetic forces that are exerted by a magnet (12), which is positioned on the opposite side of the wall (11) of the mould (1) from the chill (14 - 17).

L'invention concerne un procédé de montage d'un moule composé d'éléments, pour couler un bloc-cylindres de moteur à combustion interne à partir de métal fondu. Selon ce procédé, au moins un refroidisseur (14-17), qui représente au moins une partie des surfaces internes d'un espace de cylindre du bloc-cylindres, est placé et maintenu contre une paroi (11) d'un des éléments du moule (1). Ce procédé permet le montage à la fois simple et fiable de moules avec des refroidisseurs placés dans l'empreinte. A cet effet, le refroidisseur (14-17) est maintenu dans sa position par des forces magnétiques au moins pour une durée déterminée, ces forces magnétiques étant exercées par un aimant (12) disposé sur la face de la paroi (11) de l'élément du moule (1) opposée au refroidisseur (14-17).

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