Machine tool casting method choice
Machine casting method is commonly used sand mold casting, the second is the special casting method, sand mould and sand mould casting can be divided into clay, and organic binder sand mold, resin self hardening sand mold, mold and so on.What is Machine tool casting method choice ?
The principle of machine tool casting method choice:
1.The priority using sand mold casting, the main reason is sand mold casting compared with other casting method of low cost, simple production process, short production cycle.When wet can|t meet the requirements to consider using clay sand table dry sand, dry sand mold or other mould.Coatings for green sand mold casting can be from a few kilograms to tens of kilograms of weight, and clay dry production castings can weigh up to dozens of tons.
2.Casting method with the production batch.Low pressure casting, die casting, centrifugal casting and other casting method, because equipment and mold is expensive, so only suitable for mass production.
3.Modelling method should be suitable for factory conditions.The same example is the production of a large machine bed castings, the general shape of the core group of law does not make appearance and sand box, the core group ofthe pit in the ground; while another plant sand box modeling method is adopted, the production looks like.Different enterprise production conditions (including equipment, sites, staff quality, etc.), production habits, accumulated the experience of each different, what should be considered according to these conditions suitable for products and is not suitable for (or not) to do the product.
4.To take into account the accuracy requirements and cost of the casting.
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