Frames for tevi moulds

Kurt Rhyner   

When visiting MCR workshops we are usually confronted with wooden frames for moulds that are of deficient quality. Depending on the wood quality and the skills of the carpenter they lose their quality more or less quickly. This is a serious danger for the moulds.

 On a stack of 20 moulds with a tile on each one, the moulds underneath have to carry a approximate weight of 100kg. If the floor is flat and the moulds are stacked correctly, this weight distributes well and nothing happens, but, if the floor is uneven or filthy and the frames are not well made, the mould has to carry the entire weight. This weight can cause serious damage to the moulds.

For this reason it is really important that the frames are well-made and are replaced from time to time. It is especially important that the corners have a good overlap and are not just two pieces nailed together.

In Namibia, where wood is imported and expensive and of poor quality, the frames have been made with a 20mm angle iron. These frames are in perfect condition even after several years of use and, consequently, the moulds as well. We believe it is worthwhile knowing about these experiences and really can recommend this system to ensure that the moulds last for a long time; remember, the moulds are the most expensive part of MCR equipment.

You are here: Home Past editions Edition #1, January 2004 Frames for tevi moulds


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