Selection of the mould type

The selection of the mould type is mainly based on technical criteria. The applicability of the various moulding types is summarised in Table 4.19. Additionally, Table 4.20 gives the general properties of various systems. 

Relative cost in quantity Low Medium high Low Lowest 

Relative cost for small number Lowest Medium high High Highest 

Permissible weight of casting Up to about 1 tonne Up to a few hundred tonnes 50 kg 30 kg 

Typical dimensional tolerance, centimetres (not including parting lines) 0.03 0.02 0.07 0.02 

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