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MAR 14 2017

Casting factory to the level of advanced technology


Now casting factory use modeling method, the past ten years no major changes and modeling technology had great progress. On the wet sand molding, precision sand, lost foam casting were described as follows.

1 wet sand molding method. Applicable to most metal materials, mass production of the modeling method in wet sand, clay modeling is one of the most economic modeling method. Casting factory is equipped with the latest technology in the control device, it should be achieved step by step, wet sand control technique can be repeated to get optimal performance. The control device includes, a sieving and separating metal, return sand cooling, return sand mixing accurately when the release quantity of additives.

Now the clay green sand molding machine with excellent performance, with two years ago, never reaches speeds, making strict, allowing different hours of wet sand. Coupled with the accurate control of high efficiency sand feeding device, so that the clay wet sand in ferrous alloys and non-ferrous alloys shape remained the most important position.

In wet sand molding, vertical and horizontal parting two to compare, for mass production, small, gray iron and ductile iron casting factory, vertical parting molding have an advantage, because of its cheaper, can high speed moulding, personnel required, less tight degree the deviation of small advantages. But the use of vertical parting technology, the sprue scheme and Chang export and morphology, as well as in complex core, filter, cold iron, casing, pounded into the core aspects are restricted. In addition, with good fluidity of alloy casting, because the metal static pressure is relatively high, easily lead to metal penetration sand.

In the manufacture of non-ferrous alloy castings, has been designed for this kind of alloy castings of the mass production of various characteristics of vertical parting molding method, is now promoting. However, with the requirements of the mechanical properties of castings, in the shape up to a considerable mass production before, as large quantities of production of aluminum alloy castings, metal mold casting method still dominates.