Brief description of embodiments of a technical al or its alloys provided with channels integrated.

摘要

The invention relates to a method for production of castings of aluminium or its alloys comprising integrated runners intended for the distribution of a lubricant or for the circulation of a heat-exchange fluid. …??The method is characterised in that: … …  - one or more previously shaped tubes of aluminium or aluminium alloys are placed in a mould, the ends of the tube or tubes being outside the mould or the cores inserted therein; …  - the alloy is poured into the cavity of the mould; …  - after removal from the mould, the excess parts of the tube or tubes are removed. … …??This method applies to the mass-production of castings having a system of internal runners, such as cylinder heads, compressor cylinders, lubrication systems, convectors, etc. …IMAGE…