Lathe bed
Specifications / Features
Lathe bed casting method commonly used is sand casting, followed by special casting method, such as: metal mold casting, investment casting, plaster casting and so on. But the sand casting can be divided into clay sand, resin sand, organic binder sand, EPC etc..Lathe bed casting method selection principle:
1, give priority to the adoption of sand casting, the main reason is the casting mould casting method than other low cost, simple production process, production cycle is short. When the wet type can not meet the requirement to consider the use of clay sand table dry sand, dry sand mold or other. Wet clay sand casting casting weight can be from a few kilograms until tens of kilograms, but the clay does production of castings can be weighed dozens of tons.
2, casting methods should be adapted to the production batch. Low pressure casting, die casting, centrifugal casting and other casting methods, because of the expensive equipment and tooling, so it is only suitable for mass production.
3, the modeling method should be suitable for plant conditions. For example, the same is in the production of large machine tool bed casting, core assembly modeling method is commonly used, do not make the appearance and sand box, in the pit of cores; and another factory used the sand box modelling method, and making the appearance. Different enterprise production conditions, production habits, the accumulated experience is different, it should be based on these conditions to consider suitable for what products and do not fit (or can not) do what products.
4, to take into account the accuracy requirements and cost of castings.
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